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SERVICE MANUAL

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1. FB309 235 WB201209B300QST VCC 5V CPT 680mA 2 3 5 CVDDO C352 0 1 C Panasonic 600mA IC 3 3V LG 800mA 1 CVDDO0 O C353 1000uF 10V GND Q303 VCC P 51230505 d T veer Inrush Current 8 94 A 0304 FB313 FB314 Continuous 310 mA SST3904 7 WB201209B300QST WB201209B300QST C356 C357 C358 0 1 10nF F0 1uF RN305 PD36 1 8 PNL36 4 PNLVCC PD37 2 7 PNL37 C359 33pFX4 PDO 3 amp PNLO 8 1 PNL36 PD1 4 5 711 PRL37 6 i 3 PNL0 47X4 5 4 PNET RN306 C360 33pFX4 PD2 1 PNL2 liam 1 PNL2 PNL3 7 2 PNL3 PD4 3 6 PNL4 6 3 PNL4 PDS 4 5 PNL5 5 4 PRLS C361 33pFX4 47X4 8 1 PNL38 RN307 PNL39 PD38 1 8 PNL38 6 3 PRG PD39 2 7 PNL39 5 4 PNET PD6 3 6 PNL6 362 33pFX4 PD7 PNL7 4 B 7 2 PRES 6 3 PNLT0 RN308 5 4 PNLTT PDB 4 8 PNL8 C363 33pFX4 PD9 2 7 8 1 PNL40 PD10 3 6 PNL10 7 2 PD11 4 5 PNLTI 6 3 PNLTZ 5 4 PNLT3 47X4 C364 RN309 8 1 PNL14 PD40 1 8 PNL40 7 2 PRLS PD41 1 PNL41 6 3 PRLTG PD12 3 6 PNL12
2. Q305 12V 2SA1037AK R353 100K 1309 LM358 R354 R355 R360 gt 100 100 lt lt 2 C411 10 1uF Een R356 il C412 T 47K ZT 220uF 1ov 0413 0414 a LM358 CTS 6446 100 10nF 0 1uF L 8364 33k VCC P P301 0 1uF C IN EN 2 VCC P 4 HEADER 10 Q306 dl SST3904 2 i R357 100 5 FB315 a Fe z gt O12V 4 L 1301 c418 419 8316 12V 6 Iocvppo I 1 FB317 0 1uF 1 3uH 680uF 25V 3 1 10nF WB201209B300QST 2520 CVDDO 2 3 4 6 FB319 WB201209B300QST FB321 FB318 I WB20120983000ST 1 2 gt 4 8 5 1302 C421 d E 7 cms Tcu To Tons tom 9 04uF da C427 WB201209B300QST 104 FB322 Ju 3uH 470uF 16V T10nF vcc L 425 C428 un 4 7 234 220 6 10V 0 1 C426 0 tuF 10 01 o4ur our our 0 1 WB201209B300QST 885mA 60KHz amp 20N20FF 220uF 10V u 4 4 4 4 4 4 GND Ripple under 20mVpp Jd GND FB323 CVDDO PVDD lt lt PVDD 4 WB201209B300QST C436 c438 C439 C435 220uF A10V7T kin 2 234 0 1uF ouF our 0 1uF l c440 4 4 0142 VSS 34 I ADC_VDD2 3 FB324 KSVDD 234 E WB201209B300QS
3. 2 3 4 5 6 7 8 G 5V C i J 2 M81 2 NIS 1 1 is 47P 47P ND 3 RO RAS xi Q SI3457DV 6 100 1206 200K 0603 3 Ll 100uH MLDIOF 10518 13 1 2 4 LI 2 N41 2 5 wi 2 N13 av 1 TAL 2 2 e 9 E M D m E D6 gt C A7uB35V s E 5148 N32 ul 100 1206 esl jk 2043 09 oa B240 SMB a E i mee 3904 SOT 23 n lt 5 47P B TM 5 1 02219160 ais E gt C 9 RIS 1 29 RIG 3 T 9 41 HA 680 1206 RIO 1 hi 2K 0805 8 8 100 1206 RII 5 2 10 6 ON OFF Jr 30K 0805 e z T 2 RE gt x Al QASDISOXT _ QASDISOZT T R 010 M N63 3 3006 SOT 23 RO lt gt N34 Ls SM08 5 SVDC Lo svpc ON OFF 1 RAD RI2 N45 NC0603 R6 0 4700 N46 9 221K 0603 1 2 2 9 2 22 3 mi 9 M A 4 a B 34 0603 1 54148 CR 10K 0603 8 x 5 tal E a A d E BAV99JSOT23 N7 59 2 jE 7 2K 0603 1 gt gt 1 NC 0603 UID 1 x RR 2 8 080 23 NIL Jm q ea 7 5 0805 i3 9 m 23 BURST PI x Ra 2 14 S E RS 2 0603 6 8 ND 4 cl 4 E 5 510 12 LM339 s RI LM339A Mos AEG 2542 10K 0805 3904 S
4. 4 2 2 Basic 4 2 2 1 General conditions TJ 4 2 2 2 Basic function 4 2 2 2 1 4 2 2 2 2 Aging 4 2 2 2 3 Service MOde 4 3 3 Set 4 4 3 1 Measuring instruments to be used 4 4 3 2 Power source voltage 4 4 3 3 Electrification 4 4 3 4 Input signals 4 4 3 5 POWER ON and signal input 4 4 3 6 Manual adjustments
5. 4 5 3 6 1 Input video signal 4 5 3 6 2 VIDEO gain adjustments 4 6 3 6 3 Factory 4 7 4 1 1 Application This specification shall be applied to the adjustment of the LCD1550ME set 2 Basic operation 2 1 General conditions Unless otherwise specified adjustments shall be carried out under the following conditions 1 Power source voltage AC 100 120V 220 240V 596 50 60Hz 2 Equipment to be used Equipment that can generate an output of the adjusted VG 819 unit or equivalent 3 Connections Connections are made to the D Sub connector of the unit under inspection by means of the connector that can carry each output of the VG 819 2 2 Basic function 2 2 1 Key layout EXIT CONTROL ADJUST NEXT RESET MUTE OO OO Exit Menu Close Sub menu exit Control Menu Open Cursor Move Item Select Adjust Menu Open Adjust select item Enter Sub menu Next Menu Open Tag Select Function execute Reset Open reset menu Sound Mute 2 2 2 Aging Prior to the adjustment of this model 30 minutes of aging shall be carried out The method of aging mo
6. PWR_OFF A70uF 25V 105C GND C003 C004 FR 100nF 003 SP_L SZ 5 680uF 25V 105C 2 st Gr SP_R 2 4 7 50 L 1 020509552 gt OUTR C042 1 INR C040 IN 9 Jk011 gt 11 NC R044 INL 4 uL a oer s T 10k V V RO45 OUTPUT RO41 1K 4 7uF 50V 6 lt 4 NA RO42 RO43 gt gt 6043 PHONEJACK coto R046 680 25 105C INPUT 1001 47K 47K 100uF 25V 105C TDA7496L C044 8004 100nF C015 7 300K 100nF R003 2 VOL voi 100K C009 100nF 10 5 SCHEMATIC DIAGRAM POWER PWB 1 1 5 te 4 a L OM tl i 10 6 SCHEMATIC DIAGRAM INVERTER PWB 1 1
7. 5 19 1 7 5 Insulation resistance test 5 19 2 External inspection on the LCD module 5 20 2 1 External inspection of the display surface 5 20 2 1 1 Inspection items 5 20 2 1 2 Inspection standards 5 20 3 Inspection of PLUG amp PLAY communication and OSM MONITOR INFORMATION for model name serial 5 22 3 1 construction of System 5 22 3 2 Input Signal 5 22 3 3 Operational procedures 5 23 3 4 EDID data file 5 24 5 1 1 Set Inspection 1 1 1 Application The inspection procedures specified in this item shall be applied to t
8. 5 12 1 4 Power 5 13 1 5 Inspection 5 13 1 5 1 Inspection on LCD brightness and contrast 5 13 1 5 2 Inspection on automatic adjustment function 5 14 1 5 3 Inspection on input signal identification 5 15 1 5 4 Inspection on Audio function 5 16 1 6 Setting before shipment 5 17 1 7 Safety 5 17 1 7 1 Input current measurements 5 17 1 7 2 Power source earth connections 5 18 1 7 3 Dielectric strength test 5 18 1 7 4 Leakage current 1
9. SYMBOL CODE DESCRIPTION 20 79PL1819 FUNCTION KEY BD NEC FA150 21 79PL1901 HEAD PHONE BD NEC FA15AA 22 ERR SCREW MS3 8 23 79PL1464 SPEAKER N13AA12PCH22 J 24 SCREW M2 6 10 25 79PL1462 SW POWER HF606A1GGATA HUA SYMBOL CODE DESCRIPTION CABINET COLOR 26 gt SCREW M3 12 27 79PL2041 FRONT COVER ASS Y NMV NEC White 27 79PL2042 FRONT COVER ASS Y NEC NEC Black 3 5 SYMBOL CODE DESCRIPTION 28 us SCREW M3 5 29 BRACKET CHASSIS BASE ASS Y 30 79PL2039 LCD 15 CLAA150XG01 CPT 31 79PL2036 HARNESS FFC 45P 0 5 95 1 32 79PL2037 HARNESS FFC 30P 0 5 115 3 6 SYMBOL CODE DESCRIPTION CABINET COLOR 33 79PL1905 HINGE L NEC NEC FA150ATUA 34 79PL1906 HINGE R NEC NEC FA150ATUA 35 79PL1835 STAND FRONT White 35 79PL1845 COVER STAND FRONT NMV NEC Black 36 SCREW M4 8 SPECAL SYMBOL CODE DESCRIPTION CABINET COLOR 37 79PL1898 STAND BASE NMV NEC FA15AA White 37 79PL2040 ASS Y NEC NEC FA15AA Black 38 79PL1907 BRACKET HINGE NEC FA150AT 39 SCREW M4 16 DOUBLE WASHER 3 7 SYMBOL CODE DESCRIPTION 40 79PL1875 BRACKET STAND PLATE NEC 41 79PL1869 FOOT RUBBER 42 SCREW M3 10 3 8 ADJUSTMENT PROCEDURES TABLE OF CONTENS Page 1 Application
10. NC 2 Reset Time 13 67 ms DCV 4 76 lt 83 L5 RESETn 5 44 4 RN301 1302 MTV312M64 veg 10Kx4 519537 WB gt 9 HDATAD 4 P1 0 DAO P5 0 3 VEN IG EN 3 n P1 1 DA1 P5 1 2 BRF INV 5 P12 DA2 P5 2 L BRI 5 C305 L 1 3 DA3 P5 3 PWR OFF 6 0 1uF T 22 P1 4 DA4 P5 4 MUTE 6 GND 23 6415 5 5 VOL 6 P303 vec IND 24 p46 DAG P5 6 _ xn pu 8 1 DA9 HALFV 2 29 HSCL P3 0 RxD 3 28 HSDA P3 1 TXD 4 SUA 12 P3 2 INTO P6 0 ADO Sep 13 ISDA P3 A TO P6 1 AD1 gt ISCL P3 5 T1 P6 2JAD2 HLFHI 500 vec P6 3 AD3 DDC GND 3 36 vBLANKIP4 0 P6 4 DA10 L_AA ovec gt SL HBLANK P4 1 P6 5IDA11 R358 LED_GREEN 4 gt 15 STOUT PA 2 P6 SIDA12 IED ANBER evie 4 2 44 vsync VDD 5 VDD3 4 XTAL1 1 La C312 C313 R312 0314 R314 vec 4 XTAL2 R31 WP 1 100 220F NC Nc 4K7 NC 5 4K7 NC vss zo m ix 1304 241032 _ 0301 1 H SST2222A Q302 ow X301 20MHz Gia EE 4 AR JSST2222A ZS 4 7uF 25V CVDD0 3 4 5 4 7uF 25V i Ampl 3 3 Vpp meee 4 O0 CVDD0 R317 R38 470 470 i RN302 R319 4 i mE 10KX4 10K 9 C319 _ RN303 GND 4K7X4 1 8320 I NC7SZ08 608 gt 3 4K7 1 HFS 98 ics 2 5 103 112 mr
11. 599910589 SERVICE MANUAL COLOR MONITOR MultiSync LCD1550ME MODELS LCD1550ME B BK B NEC MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION JUNE 2002 200206 08EK1ABD 08EK2ABD The SERVICE PERSONNEL should have the appropriate technical training knowledge experience necessary to e Be familiar with specialized test equipment and e Be carelul to follow all safety procedures to minimize danger to themselves and their coworkers To avoid electrical shocks this equipment should be used with an appropriate power cord This equipment utilized a micro gap power switch Turn off the set by first pushing power switch Next remove the power cord from the outlet To prevent fire or shock hazards do not expose this unit to rain or moisture This symbol warns the personnel that un insulated voltage within the unit may have sufficient magnitude to cause electric shock This symbol alerts the personnel that important literature concerning the operation and maintenance of this unit has been included Therefore it should be read carefully in order to avoid any problems PRODUCT SAFETY CAUTION 1 When parts replacement is required for servicing always use the manufacturer s specified replacement 2 When replacing the component always be certain that all the components are put back in the place 3 As for a connector pick and extract housing with fingers properly since a disconnection a
12. 2 Judgment standard The input current shall be kept below 0 7 10 1 7 2 Power source earth connections Checks on the power source earth connections The earth side of the cord or the earth wire of the inlet filter for the cord set shall be visually checked to see that it is connected to the chassis block of the unit as specified below 1 The earth wire color shall be spiral of green and yellow Units applicable to UL1950 or IEC60950 EN60950 2 The earth wire shall be firmly connected to the chassis block by the use of a screw See Note of 3 5 in diameter Note Spring washers or star washers shall be used without fail b Earth resistance testing This testing shall be carried out prior to the dielectric strength test The earth resistance shall be 0 10 or less when a current of 25A AC is carried between the earth side of the cord the plug block or the section closest to the plug where no plug is provided and the metallic block the DVI connector that is used as a safety earth for the unit Where the earth resistance exceeds 0 10 the condition shall be still acceptable if the earth resistance is 0 10 or less when the resistance of the power cord is excepted 1 7 3 Dielectric strength test To confirm the freedom from insulation breakdown testing shall be carried out under the conditions specified below 1 Measuring conditions e Measuring instrument Dielectric strength tester The specified volt
13. 00 20 30 10 60 40 13 00 30 E4 10 00 00 OO FD OO 37 4B 50 3C 08 00 OA 20 20 20 20 20 20 00 00 00 FC 00 4E 60 45 43 20 4C 43 44 31 35 35 30 4D 45 00 00 00 FF 70 00 3 3 3 3 3 3 3 3 73 79 3 73 00 4 Table 1 Data list Management number L1550ME Note 1 address 10h Week of manufacture Month of manufacture x 4 Note 2 address 11h Year of manufacture 1990 Notes 3 address 71h 7Dh Serial Number ASCII coded If less than 13 char terminate with OAh and fill the rests with 20h Note 4 address 7Fh Checksum The sum of entire 128 byte shall be equal to 00h 5 24 TROUBLE SHOOTING TABLE OF CONTENTS page 1 No display of screen Screen is black color of LED is amber 6 2 2 Nothing displays on screen Screen is black color of LED is green 6 3 3 Checking the back light unit 6 6 4 Abnormal screen 6 7 5 No OSM display 6 9 6 Abnormal plug and play operation 6 10 7 Check
14. sufficient magnitude to cause electric shock Therefore it is dangerous to make any kind of contact with any part inside this unit This symbol alerts the user that important literature concerning the operation and maintenance of this unit has been included Therefore it should be read carefully in order to avoid any problems Caution When operating the MultiSync LCD1550ME L15XA231 BN and L15XA231 BNBK with a 220 240V AC power source in Europe use the power cord provided with the monitor In the UK a BS approved power cord with a moulded plug has a Black five Amps fuse installed for use with this equipment If a power cord is not supplied with this equipment please contact your supplier When operating the MultiSync LCD1550ME with a 220 240V AC power source in Australia use the power cord provided with the monitor For all other cases use a power cord that matches the AC voltage of the power outlet and has been approved by and complies with the safety standard of your particular country ENERGYSTAR is a U S trademark As an EnercyStar Partner NEC Mitsubishi Electronics Display of America Inc has determined that this product meets the ENERGYSTAR guidelines for energy efficiency ENERGYSTAR emblem does not represent endorsement of any product or service IBM PC XT AT PS 2 MCGA VGA 8514 and are registered trademarks of International Business Machines Corporation Apple and Macintosh are
15. 1310 Regulator pc 3 3V SCALER RLC 5V TO 3V chock FILTER 9 41 EXTERNAL z 1308 1306 SCALER 8w N ISP RS232 BOARD EDID w lt 9 I Fi b 8 ESD PORTECTION 3o O Y SPEAKER CIRCUIT a ta 1302 E UT nes RESET 801 L A AC IN P302 VGA d I001 INPUT AUDIO 5 AUDIO IN 9 1 SCHEMATIC DIAGRAM INTERFACE PWB 1 5 MICROCONTROLLER KEY FUNCTION FB333 NC NC 2 E ovcc NC NC VREF A H t 4 OSD vs 4 10 caso ospctk 2 VDD1 c462 c463 NC pose vgs2 l 18 NC DATAO 13 DATAT 14 1 R367 DATA2 15 NSS 11 3 NG C301 1000uF 10V FSW 12 88 6 7 Ji spAy SDA R362 NC 7 SCL R383 NC C302 0 1uF 3 3 4 5 VCC 1301 H ne Nc
16. 79PL1436 79PL1436 79PL1037 79PL1036 79PL1436 79PL1436 79PL2058 79PL2069 DIODES _ 79PL1947 79PL1947 79PL1144 79PL1947 79PL1144 79PL1947 79PL1144 79PL1249 79PL1249 IC TDA7496L 20P PDIP SG IC M51953AFP 8P SOP IC MTV312MV64 44P PLCC MY IC TTL NC7SZ04M5X 5P FAIR IC 24LC32A 8P SOP MICROCH IC TTL NC7SZ08M5X 5P FAIR IC GMZAN1 160P PQFP GENES IC CPU 24LC024 8PIN SOIC IC LM358DT 8P SOP ST IC AIC1084 33CM TO26 IC KA3842AE S 8P PDIP F IC LTV 817D 4P PDIP LIT IC KA431AZ 3PIN TO 92 T TR NPN SST2222A 800MA 50V TR NPN SST2222A 800MA 50V FET P CHNL 123050 VISHA TR NPN SST3904 SMD TR PNP 2 1037 T146 R TR NPN SST3904 SMD TR NPN SST3904 SMD FET N amp P CHNL 2SK3018 ROHM FET N amp P CHNL 2SK3018 ROHM TR PNP 2 1037 T146 R TR NPN SST3904 SMD FET N amp P CHNL 2SK3018 ROHM FET N amp P CHNL 2SK3018 ROHM FET N CHNL SSS4N60AS 2 3A TRANSISTOR PNP 2SA733P T DIODE MM4148 SMD GOODARK DIODE MM4148 SMD GOODARK DIODE ZNR RLZ TE 11 5 68 DIODE MM4148 SMD GOODARK DIODE ZNR RLZ TE 11 5 6B DIODE MM4148 SMD GOODARK DIODE ZNR RLZ TE 11 5 6B DIODE DAN217 T146 SMD3 DIODE DAN217 T146 SMD3 8 1 SYMBOL PART NO DESCRIPTION 79PL1249 79PL1249 79PL1032 79PL1032 79PL1144 79PL1144 79PL1431 79PL2053 79PL0923 79PL1423 79PL2068 79PL2054 79PL2055 79PL2072 TRANSFORMERS T802 79PL2062 XFRMER POWER TPW 1085 ER VARIABLE RESISTORS VR801 79PL1385 VARIABLE KOHM 1 0 3W TA 6 XXX
17. OK Is Variable DC volume control at pin 6 Proceed section 11 Checking the operation of CPU OK Failure point 1001 failure 6 17 G N 13 Check the inverter board circuit Check Vin pin is around 15 5V On Off pin is over 2V Brightness pin is between 0 3V and 3 0V NG OK NG OK NG OK NG OK OK OK OK It is not inverter problem Check IC pin 3 around 5V Check Q1 Q2 Q8 D1 F1 and repair them Check one of these components was short to GND Check CN2 and CN3 is connected right Check CCFL and repair them Check the IC pin 3 is PWM Check the IC pin 11 is triangle Check D2 C14 R11and repair them Check the IC pin 9 is 2 5V Check R20 and R28 and repair them Check the IC pin 8 feedback waveform Check CR1 CR2 and repair them Repair the LM339 Check the buck circuit Check the Q4 010 R5 D5 L1 OK and repair them Next page 92 2 2 2 6 1 Check the circuit Check the Q17 Q20 Q5 Q6 C13 and repair them Check the transformer and repair them Check the one of these components was short to GND 6 19 Check the and balance circuit Check the C3 C7 C12 C20 L3 and repair them Check the Feedback and protection circuit gt gt 2 2 O O Check the Q19 Q7 Q11 D3 Q14 and repair them Check one of these components was short to GND CIRCUIT DESCRIPTION TABLE OF CONTENTS Page 1 Audio ci
18. 100 1 10W J 06 79PL1295 CHIP R OHM 100 1 10W J 06 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1941 CHIP R KOHM 3 3 1 10W J 6 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1303 CHIP R OHM 47 1 10W J 79PL1387 R CHIP R KOHM 1 1 10W J 79PL1384 R MGF KOHM 470 1 4W J AT5 SYMBOL PART NO DESCRIPTION 79PL2059 RES MOF KOHM 100 2W J HO 79PL2059 RES MOF KOHM 100 2W J HO 79PL0741 MOF KOHM 33 3W J HOR 79PL0086 CF OHM 4 7 1 4W J T26 79PL0089 CF KOHM 51 1 4VV J T26 79PL0077 CF KOHM 3 9 1 4W J T26 79PL2060 RES MOF OHM 1 2 1W J HOR 79 0056 CF KOHM 20 1 4W J T26 79PL2070 RES CF OHM 220 1 4W J T5 79PLOO81 CF OHM 47 1 4W J T26 79PL2071 RES CF KOHM 1 1 AW J T52 79PL0083 CF KOHM 4 7 1 4W J 26 79PL0089 CF KOHM 51 1 4 J T26 79 0088 CF KOHM 5 1 1 4 J T26 79PL0039 CF KOHM 1 1 4W J T26 79PL0064 CF OHM 270 1 4W J T26 79PL0065 CF KOHM 2 7 1 4W J T26 79PL0040 CFKOHM 10 1 4W J T26 79PL0039 CF KOHM 1 1 4W J T26 79PL0055 CFKOHM 2 1 4W J T26 79PL0088 CF KOHM 5 1 1 4 J T26 79PL2061 RES MOF KOHM 1 2 1W J HO 79PL1011 10KH 1 16W J 8P4R 79PL1011 10KH 1 16W J 8P4R 79PL1013 4 7KH 1 16W J 8P4R 79PL1013 4 7KH 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN
19. 10W J 06 CHIP R KOHM 10 1 10W J 06 CHIP R KOHM 10 1 10W J 06 CHIP R KOHM 4 7 1 10W J CHIP R KOHM 4 7 1 10W J CHIP R KOHM 4 7 1 10W J CHIP R KOHM 4 7 1 10W J CHIP R OHM 100 1 10W J 06 CHIP R OHM 100 1 10W J 06 8 4 SYMBOL PART NO DESCRIPTION 79PL1004 CHIP R 470H 1 8W J 805 79PL1004 CHIP R 470H 1 8W J 805 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1294 CHIP R OHM 0 1 10W J 0603 79PL1295 CHIP R OHM 100 1 10W J 06 79PL1239 CHIP R KOHM 2 2 1 16W J 79PL1294 CHIP R OHM 0 1 10W J 0603 79PL1239 CHIP R KOHM 2 2 1 16W J 79PL1295 CHIP R OHM 100 1 10W J 06 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1303 CHIP R OHM 47 1 10W J 79PL1303 CHIP R OHM 47 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1305 CHIP R OHM 75 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1305 CHIP R OHM 75 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1305 CHIP R OHM 75 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1941 CHIP R KOHM 3 3 1 10W J 6 79PL1941 CHIP R KOHM 3 3 1 10W J 6 79PL1300 CHIP R OHM 22 1 10W J 79PL1300 CHIP R OHM 22 1 10W J 79PL1300 CHIP R OHM 22 1 10W J 79PL1297 CHIP R KOHM 100 1 10W J 79PL1297 CHIP R
20. 3 7 4 2 Out of range This out of range mode is assumed when the frequency of the horizontal vertical signal is as specified below e Vertical frequency Below 56 2Hz or above 75 1Hz Horizontal frequency Below 31 5KHz or above 60KHz 3 Power save mode The power save mode is assumed when the horizontal vertical signals are as specified below e Ifthere is no horizontal sync signal input e Ifthere is no vertical sync signal input e Ifthe horizontal sync signal outside the measuring range of gnZAN1 e Ifthe vertical sync signal outside the measuring range of gmZANT Table 1 Midi NS pesiin H freq Band Width Polarity KHz MHz H V 1 247 VGA 720 x 350 70Hz 31 47 28 322 2 102 VGA 720 x 400 70Hz 31 47 28 322 3 103 VGA 640 x 480 60Hz 31 47 25 175 4 182 MAC 640 x 480 66Hz 35 30 24 5 173 VESA 640 x 480 72Hz 37 86 31 5 6 109 VESA 640 x 480 75Hz 37 5 31 5 7 104 VESA 800 x 600 56Hz 35 16 36 8 116 VESA 800 x 600 60Hz 37 88 40 9 110 VESA 800 x 600 75Hz 46 88 49 5 10 117 VESA 800 x 600 72Hz 48 08 50 11 108 MAC 832 x 624 75Hz 49 72 57 283 12 118 VESA 1024 x 768 60Hz 48 36 65 13 217 SUN 1024 x 768 65Hz 52 45 70 49 14 157 VESA 1024 x 768 70Hz 56 48 75 15 141 VESA 1024 x 768 75Hz 60 02 78 75 Attention 1 When resolution beyond 1024 x 768 is inputted resolutio
21. 3 Operation of OSM control 1 2 7 Configuration of inspection jigs Signal source 1 A video signal generator shall be used which can generate an output of the VG 819 unit or equivalent 1 2 8 Inspection mode setting The respective setting data shall be the data for the VG 819 V6 819 setting values 01 02 03 04 05 Not used MHz DOT DOT DOT DOT DOT DOT DISP 1CH 2CH POSI POSI SWO0 SW1 OFF OFF RGB 8 bit 8 bit 8 bit 8 bit R 7 0 G 7 0 B 7 0 11111111 11111111 11111111 11111111 L1 17 L2 34 L3 51 L4 68 L5 85 L6 102 L7 127 L8 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 5 3 VG 819 setting values CEE MHz DOT DOT DOT DOT POSI POSI OFF OFF 8 bit 8 bit 8 bit 8 bit R 7 0 G 7 0 B 7 0 11111111 11111111 11111111 11111111 DELAY CLOCK DELAY 11 17 12 34 L3 51 14 68 15 85 16 102 L7 127 L8 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 5 4 VG 819 setting values Moe _ MHz DOT DOT DOT DOT POSI POSI OFF OFF 8 bit 8 bit 8 bit 8 bit R 7 0 G 7 0 B 7 0 11111111 11111111 11111111 11111111 DELAY CLOCK DELAY L1 17 12 34 13 51 14 68 15 85 L6 102 L7 127 18 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 5 5 VG 819 setting values MHz DOT DOT DOT DOT POSI POSI OFF OFF 8 bit 8 bit 8 bit 8 bit R 7 0 G 7 0 B 7 0 11111111 11111111 11111111 11111111 DELAY CLOCK DE
22. 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V 2 Y5V SMD 79PL1317 MC 47PF 50V NPO J SMD 79PL1317 MC 47PF 50V NPO J SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1318 MC 5PF 50V NPO J SMD 0603 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1318 MC 5PF 50V NPO J SMD 0603 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1318 MC 5PF 50V NPO J SMD 0603 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 8 7 SYMBOL PART NO DESCRIPTION 79 11418 UF 0 1 25V Z Y5V SMD 79PL1943 ALU UF 1000 10V F 105 10X 79PL2045 CAP MC PF 82 50V J NPO S 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1407 C ALU UF 680 25V NF 105C 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1313 ALU UF 470 16V 105 10X
23. Area Vertical 228 mm 9 0 inches timing Power Supply AC 100 120 V 220 240 V 50 60 Hz Current Rating 0 7 A 100 120 V 0 35 A 220 240 V Dimensions 345 2 mm W x 362 6 mm H x 162 0 mm D 13 6 inches W x 14 3 inches H x 6 4 inches D Weight 3 9 kg 8 6 Ibs Environmental Considerations Operating Temperature Humidity Altitude Storage Temperature Humidity Altitude 5 to 35 G 30 to 80 0 to 3 000 10 C to 60 C 10 to 85 0 to 9 500 m Speakers Practical Audio Output 1 0W 1 0W English 19 1 20 1 Interpolated Resolutions When resolutions shown that lower than the pixel count of the LCD module text may appear different This is normal and necessary for all current flat panel technologies when displaying non native resolutions full screen In flat panel technologies each dot on the screen is actually one pixel so to expand resolutions to full screen an interpolation of the resolution must be done 2 NEC Mitsubishi Electronics Display cites recommended resolutions at 75 Hz for optimal display performance NOTE Technical specifications are subject to change without notice English 20 1 21 Features English Colour Control System Allows you to adjust the colours on your screen and customize the colour accuracy of your monitor to a variety of standards Reduced Footprint Provides the ideal solution for environments requiring superior
24. C817 C822 to generate 12V and 5 respectively A 5V power supply for LCD module CPU and logic is generated from the power source 1310 3 terminal regulator A 3 3V power supply for 1306 analog is generated from the 5V source 1310 3 terminal regulator A 3 3V power supply for 1306 digital is generated from the 5V source Q303 Q304 ON OFF control for LCD Module ON OFF control is performed for power ON OFF and also for the power saving sequence Driver Q803 If the electrical potential of gate is larger than source by about 10 volts Q803 turns on FB Negative feedback CKT consists of photo coupler 1802 and adjustable regulator 1803 It can maintain output voltages 5V and 12V at a stable level PWM Start When power is turned on R805 R803 conducts due to bias from C805 C807 is charged a 16 volt and a starting current to pin 7 of 1801 1801 starts to oscillate and outputs a pulse train through pin 6 to drive Q803 OPP When Q803 turns on C805 supplies a linearly increasing triangle current through the primary inductance of T802 to the driver Q803 once the peak value of this current multiplied by R811 exceeds1 volt pulse train will be shut down immediately to protect Q803 T802 from being burned out 7 2 7 3 Regulation output voltage 5 goes up the R terminal of 1803 gets more bias accordingly photo transistor and photo diode flows more current The voltage of pin 2 goes up too making the pulse width o
25. CD PF 1000 50V K Y5P T 79PLO252 CD UF 0 1 50 Z Y5V T 79PL0232 CDUF 0 01 50V K Y5P T 79PL0191 ALUUF 10 50V T 105 79PL0526 MEM UF 0 1 50V J T 79PL2064 CAP CD PF 1000 100V K T 79PL2065 ALUMINATOR UF 680 25V T 1 79PL2065 ALUMINATOR UF 680 25V T 1 79PLO252 CD UF 0 1 50 Z Y5V T 79PL2066 CAP CD PF 1000 100V K T 79PL2067 CAP ALU UF 470 25V T 105 79PL0483 ALU 1000 16V T 105 79PL0252 CDUF 0 1 50V Z Y5V T 79PL0526 MEM UF 0 1 50V J T 79PL2052 CAP CD PF 1000 250V M F 79PL0185 ALU UF 10 25V T 105C 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 DIAGRAM LCD1550ME PANEL N INVERTER 56 POWER 1307 306 Po Z N d CIRCUIT L I msl S 88 9C15V PANEL DATA OUTPUT FUNCTION KEY PAD ne sv RC FILTER 8 H 2
26. CHIP R KOHM 4 7 1 10W J CHIP R KOHM 4 7 1 10W J CHIP R KOHM 4 7 1 10W J CHIP R KOHM 4 7 1 10W J CHIP R OHM 100 1 10W J 06 CHIP R OHM 100 1 10W J 06 SYMBOL PART NO DESCRIPTION 79PL1004 CHIP R 470H 1 8W J 805 79PL1004 CHIP R 470H 1 8W J 805 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1294 CHIP R OHM 0 1 10W J 0603 79PL1295 CHIP R OHM 100 1 10W J 06 79PL1239 CHIP R KOHM 2 2 1 16W J 79PL1294 CHIP R OHM 0 1 10W J 0603 79PL1239 CHIP R KOHM 2 2 1 16W J 79PL1295 CHIP R OHM 100 1 10W J 06 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1303 CHIP R OHM 47 1 10W J 79PL1303 CHIP R OHM 47 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1305 CHIP R OHM 75 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1305 CHIP R OHM 75 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1305 CHIP R OHM 75 1 10W J 79PL1298 CHIP R OHM 150 1 10W J 79PL1941 CHIP R KOHM 3 3 1 10W J 6 79PL1941 CHIP R KOHM 3 3 1 10W J 6 79PL1300 CHIP R OHM 22 1 10W J 79PL1300 CHIP R OHM 22 1 10W J 79PL1300 CHIP R OHM 22 1 10W J 79PL1297 CHIP R KOHM 100 1 10W J 79PL1297 CHIP R KOHM 100 1 10W J 79PL1297 CHIP R KOHM 100 1 10W J 79PL1295 CHIP R OHM
27. For example if the power supply is turned off with the POWER switch the POWER Switch must be turned on when activating the power supply again If the power supply is turned off by pulling out the power cord then this power supply can be turned on by connecting the power cord without pressing the POWER switch 9 2 Display mode identification 9 2 1 Functions 1 Display mode identification The display mode of input signal is identified based on Table 1 and according to the frequency and polarity HPOL VPOL of horizontal or vertical sync signal presence of the horizontal or vertical sync signal and the discrimination signal HSYNC_DETECT VSYNC DETECT When the mode has been identified through the measurement of horizontal and vertical frequencies the total number of lines is determined with a formula of Horizontal frequency Vertical frequency Total number of lines Final identification can be made by examining the coincidence of the obtained figure with the number of lines for the mode identified from the frequency When the detected frequency if the sync signal has changed the total number of lines should be counted even through it is rge identified frequency in the same mode Then it is necessary to examine whether the preset value for the vertical display position of Item 4 3 has exceeded the total number of lines If exceeded a maximum value should be set up which does not exceed the vertical display position of Item 4
28. HCFCs may be used during the manufacturing and assembly of the product or its packaging Bio accumulative is defined as substances which accumulate within living organisms Lead Cadmium and Mercury are heavy metals which are Bioaccumulative To obtain complete information on the environmental criteria document order from TCO Development Unit SE 114 94 Stockholm SWEDEN FAX Number 46 8 782 92 07 E mail Internet development 9 tco se You may also obtain current information on TCO 99 approved and labelled products by visiting their website at http www tco info com English 28 1 29 TCO 95 English MultiSync LCD1550ME Black Model L15XA231 BNBK Congratulations You have just purchased a TCO 95 approved and labeled product Your choice has provided you with a product developed for professional use Your purchase has also contributed to reducing the burden on the environment and also to the further development of environmentally adapted electronics products Why do we have environmentally labelled computers In many countries environmental labelling has become an established method for encouraging the adaptation of goods and services to the environment The main problem as far as computers and other electronics equipment are concerned is that environmentally harmful substances are used both in the products and during the manufacturing Since it has not been possible for the majority of electroni
29. Inspection conditions 5 2 1 2 1 Power source voltage 5 2 1 2 2 Equipment to be 5 2 1 2 3 Inspection cables connections 5 2 1 2 4 Brightness setting 5 2 1 2 5 Inspection mode nnn nnn rre rr nnn rere Te 5 2 1 2 6 OSM functions 5 2 1 2 7 Configuration of inspection jigs 5 2 1 2 8 Inspection mode setting 5 3 1 3 OSM control operation 5 12 1 3 1 Switch functions 5 12 1 3 2 Basic operational procedures
30. M 340ms borek HUUU L gt lt More than 40ms INV EN 0 I gt 330 340ms or more DATA _ 7 8 10 Inverter 10 1 Circuit Diagram HV circuit Buck Input Power Royer circuit circuit Balance circuit Protection ON OFF circuit circuit Feedback circuit 10 2 Inverter basic function This is a Dc AC Inverter which is developed for driving 2 Cold Cathode Fluorescent Lamp CCFL in LCD panel backlight system Circuit explain below 1 On Off circuit This is an input signal to turn on or off the AC output voltage of the Inverter ON states On Off gt 2 5 OFF state On Off lt 2 0 2 IC LM393 It will get input signal from customer system and control the lamps current and brightness The other function include burst mode control PWM control and soft start 3 Buck circuit Used the PMOSFET to control the input power DC Q3 Q S13457DW LM339 Vo DxvVin Ton Ts xVin OUTPUT Vout avg Vin D Vin Ton Ts Ts Transformer period Ton turn on period EX Vout avg 10V Vin 15V U D 10 15 100 66 66 4 Royer circuit C13 waveform This is a standard Royer structure It transfer the DC input signal to a AC output single The resistors R15 R16 are supply the base current for Q5 Q6 The C13 and transformer decide the oscillation frequency working frequency E
31. Manual Acrobat Reader 4 0 must be installed on your PC Audio Cable Video Signal Cable CD ROM Remember to save your original box and packing material to transport or ship the monitor English 5 1 6 Quick Start To attach the MultiSync LCD monitor to your system follow these instructions 1 2 Turn off the power to your computer Remove connector cover and cable cover Connect the audio cable to AUDIO INPUT on the back of the monitor and the other end to the Audio out terminal of the computer Place the Audio cable under Clip B Figure A 1 For PC Connect the 15 pin mini D SUB of the appropriate signal cable to the connector for the display card in your system Figure B 1 Tighten all screws For Mac Connect the MultiSync LCD1550ME Macintosh cable adapter to the computer Figure C 1 Attach the 15 pin mini D SUB end of the appropriate signal cable to the MultiSync LCD1550ME Macintosh cable adapter Figure C 1 Tighten all screws Connect the 15 pin mini D SUB of the video signal cable to the appropriate connector on the back of the monitor Figure D 1 Place the Video Signal Cable under Clip B Headphones be connected to the Headphones output on the front of the monitor s bezel marked Q Figure E 1 While the headphones are connected the sound from the speakers will be disabled Headphones can be purchased from your local electronics store Connect one end of th
32. NEC COVER CONNECTOR STAND FRONT 8 3 SYMBOL PART NO DESCRIPTION 79PL1825 79PL1898 79PL1875 79PL1869 79PL1905 79PL1906 79PL1907 79PL2041 COVER CABLE STAND BASE NMV NEC FA15AA BRACKET STAND PLATE NEC FOOT RUBBER HINGE L NEC NEC FA150ATUA HINGE R NEC NEC FA150ATUA BRACKET HINGE NEC FA150AT FRONT COVER ASSY NMV NEC PRINTED amp PACKING MATERIALS 79PL2076 79PL2075 79PL1881 79PL1841 79PL2005 79PL2080 79PL1960 79PL2079 79PL2034 RESISTORS 79PL1294 79PL0064 79PL0064 79PL1297 79PL1972 79PL1386 79PL1386 79PL1398 79PL1398 79PL1296 79PL1294 79PL1302 79PL1973 79PL1973 79PL1296 79PL1296 79PL1302 79PL1295 79PL1295 79PL1296 79PL1296 79PL1302 79PL1302 79PL1302 79PL1302 79PL1295 79PL1295 LABEL MODEL LABEL NMV NE CARTON NMV NEC FA15AA 9 CUSHION FOAM EPS LCD1550M PLASTIC BAG BAG PE ORDINARY ALL MODEL MANUAL MANUAL ASS Y NMV F CARD CAUTION SHEET NEC FA CARD SETUP CARD NEC FA15A CARD PRODUCT BROCHURE NEC CHIP R OHM 0 1 10W J 0603 CF OHM 270 1 4W J T26 CF OHM 270 1 4W J T26 CHIP R KOHM 100 1 10W J RES 300 1 10 R CHIP R KOHM 1 1 10W F R CHIP R KOHM 1 1 10W F R CHIP R KOHM 47 1 10W F R CHIP R KOHM 47 1 10W F CHIP R KOHM 10 1 10W J 06 CHIP R OHM 0 1 10W J 0603 CHIP R KOHM 4 7 1 10W J RES CHIP R KOHM 150 1 10 RES CHIP R KOHM 150 1 10 CHIP R KOHM 10 1 10W J 06 CHIP R KOHM 10 1 10W J 06 CHIP R KOHM 4 7 1 10W J CHIP R OHM 100 1 10W J 06 CHIP R OHM 100 1
33. OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R CAPACITORS 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1407 C ALU UF 680 25V NF 105C 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL0186 ALU UF 100 25V T 105C 6 79PL1418 C MC UF 0 1 25V Z Y5V SMD SYMBOL PART NO DESCRIPTION 79PL1944 ALU UF 4 7 50V F 105C 6 3 79PL1944 ALU UF 4 7 50V F 105C 6 3 79PL1407 C ALU 680 25V NF 105C 79PL1407 C ALU UF 680 25V NF 105C 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1943 ALU UF 1000 10V F 105 10X 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1417 C MC UF 0 047 25V XR S 79 11418 UF 0 1 25V Z Y5V SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1014 ALU 10UF 16V 105C T SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1314 MC PF 22 50V NPO J SMD 79PL1318 5PF 50V NPO J SMD 0603 79PL1143 ALU UF 4 7 25V 85C T SMD 79PL1143 ALU UF 4 7 25V 85C T SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 7
34. OsD_vs 2 PAW e 1000 C354 C355 100pF NC GND GND 5 900 evoa PVDD 5 1306D i DAA Saa 6860 Gee 755 8888 phs P A 66 Og ede PVS 23 018 R369 NC 56 PD18 HAL PD19 46 71 70 20 pa 8 PD PDA PD1 PD2 PD PD21 PD4 PD3 PD5 38 Um 557 0021 PD5 PDG PDTO PD7 PD20 64 PDS PD23 PD10 PD6 62 PDS J PD23 PD8 PD9 _ 63 Lor TUS _ PD13 PDS 55 poze 50 PD16 PD11 PD22 E PD25 PD22 54 pp12 PDOS PD27 PD12 55 PD14 PD29 PD14 6015 EDS0 28 l 81 FOIS 5030 PD30 PD15 48 PD17 pp PD32 PD17 PDE R352 22 DE PD3 i PD34 PDispE 43 E6 PD24 26 Pb24 E PD45 PD26 31 6628 PD41 EDS ds PD41 289 I pD39 PD31 z 18 26 mE PD38 PD33 22 5 ae 22 PD35 PD37 RESERVED 60 gt EM RESERVED S9 16 PD40 PPWR ze PPWR PPWR RD PD43 PBIAS 5 A Pp44 PD47 gt RESERVED gt pscan gt lt RESERVED RESERVED 159 sCAN_OUT1 Bo x160 2 202989920 Jana 962222 Leese OKWKONKO ooooo gmZANT 88 VSS 35 GND INTERFACE PWB 3 5 PANEL INTERFACE
35. Tighten all screws 4 SCREWS MAX depth 8 6 mm If use other screw check depth of hole n lj I y Weight of LCD assembly 3 1kg MAX English 11 Controls OSM On Screen Manager Controls The OSM controls on the front of the monitor function as follows To access OSM press any of the control buttons lt NEXT Control Menu EXIT Exits the OSM controls Exits to the OSM main menu CONTROL gt Moves the highlighted area left right to select control menus Moves the highlighted area up down to select one of the controls ADJUST Moves the bar left right to increase or decrease the adjustment Activates Auto Adjust function Enter the sub menu NEXT Moves the highlighted area of main menu right to select one of the controls RESET MUTE Resets the highlighted control to the factory setting When no OSM menu is shown the speaker sound will be muted NOTE When RESET is pressed in the main and sub menu a warning window will appear allowing you to cancel the RESET function by pressing the EXIT button Sound VOLUME Control the sound volume of speakers and headphones XC Brightness Contrast Controls xk BRIGHTNESS Adjusts the overall image and background screen brightness English 12 AUTO CONTRAST Adjusts the image brightness in
36. an AC power cable to the unit under inspection 6 After the completion of signal discrimination the LED is lit in green Note 1 When the POWER source switch is turned on for the first time the initialization of EEPROM is effected regardless of the ON OFF position of the POWER switch In this period about 1 minutes the POWER switch must not be moved to the ON or OFF position Upon the completion of the initialization a normal screen is displayed If no signal input is entered the information OSM is displayed If the screen is not displayed for more than 5 minutes after the electrification however this seems to have resulted from failure in the initialization of EEPROM Such a condition is regarded as NG Note 2 Connections for the connectors should be carried out always under the condition that the AC POWER cord plug has been pulled out 3 4 Input signals Refer to Paragraph 3 6 1 for each adjustment item 3 5 POWER ON and signal input 1 Turn on the vacation switch located on the side of the main unit the power supply for the signal generator turned off and turn on the power circuit by pressing the POWER key on the front panel Confirm in this case that the LED is lit in amber When the power supply is turned on for the first time after the completion of PWB assembly do not turn off the power supply for at least 10 seconds because initialization is required to be performed 2 Turn on the power supply of the signal generat
37. distinguished Check if the sync signal from Computer is output and if the video cable is connected normally Proceed Checking the resolution change IC movement section 6 2 Pressed No OSM display section Input the sync signal of computer or change the cable 2 Nothing displays screen Screen is black color of LED is green Is backlight lit Refer Checking the backlight OK unit section Check the video cable for failure Check the host for output signal with allblack only Does computer output RGB video signals 1 Change pattern of video signal output on the host 2 Reconnect the video cable 3 Change the video cable Check OSM menu is displayed on screen when you push the NEXT key Next page OK Proceed Abnormal screen section 6 3 Check the 3 3 V power supplied 1310 2 NG Check if the voltage 1310 OK pin3 that is high level DC at 5V NG OK Printed wire broke between P301 and 1310 Failure point 1310 Failure Failure point Is a dot clock being outputted under the condition that a LCD module is connected to P307 pin 44 z O Failure point OK 1 1306 failure 2 Printed wire broke between 1306 and P307 pin 44 Check the H sync pulse of negative polarity is output on P307 pin 38 at TTL level C OK 1 1306 failure 2 Printed wire broke between 1306 and P307 pin 38 Check the V sync of negative polarity a
38. dots bright dots and black dots or conspicuous ones 3 Presence of extreme flaws wrinkles air bubble dents lint foreign matter and conspicuous abnormality on the display surface 2 1 2 Inspection standards Inspection standards for external appearance and display conditions 1 Inspection condition a Viewing distance is approximately 385cm b Ambient illuminant is from 300 to 500lux c Viewing angle is 10 deg d Ambient temperature is approximately 25deg C Input signal clock frequency 40MHz 5 20 Defect type Limit 0 01mm lt W lt 0 05mm N lt 4 L lt 10mm Scratch 0 01mm lt W N 0 10mm lt L 0 05mm lt W N 0 0 15 lt lt 0 4mm lt 4 Visual Defect Dent 0 Amr lt N 0 0 15 lt lt 0 5mm lt 4 Block spot Osram lt N 0 L lt 3mm lt 4 Fih 3mm 2 L N 0 Newton rings Not allowed Bright dot lt 4 Green 4 Dark dot N lt 4 Total dot N lt 4 Two adjacent dot Bright dot lt 2 pairs Electrical defect Dark dot 2 pairs Three or more adjacent dot No allowed Distance between defects Bright dot 215mm Dark dot gt 15mm Line defect No allowed 1 W Width L Length N Number 2 Definition of Adjacent 3 Bright dot is defined as follows Dark dot is defined as follows BIR GIB RIG BIR GIB 5 21 EN Defective pixel 7277 Adjacent pixel
39. function is disabled 3 When withdrawing from the SERVICE mode press the EXIT key in the highest hierarchy of the SERVICE menu or make a signal changeover or take an action of POWER OFF Push PLUS and MINUS and RESET ENTERING SERVICE MENU IF YOU CONTINUE MODE 1024X768 THE WARRANTY IS VOID PRESS EXIT ESCAPE H 80 0KHZ 75 0HZ H POS 2 This is OSM menu to displayed when the mode is changed over to the SERVICE mode conditions differ in each mode in regard to entering and withdrawal and whether the data are recorded in the Items of the service menu are used in common 4 3 3 Set adjustments 3 1 Measuring instruments to be used The measuring instruments considered necessary for the adjustment of the LCD1550ME set are specified below 1 Equipment that can generate an output of the adjusted VG 819 unit or equivalent 3 2 Power source voltage 100 120V 220 240V 5 50 60Hz 3 3 Electrification 1 Make connections according to the mode intended for VG 819 cable setting 2 Turn on the POWER switch of the VG 819 unit 3 4 Confirm that the vacation switch seesaw switch at the left side of the unit being inspected has been moved to the I side and turn the POWER switch ON at the right side of the front 5 The LED of the unit under inspection is lit in amber In the middle of signal discrimination Connect
40. of which are updated as required 94 Control of definition converter MCU 1306 9 4 1 Ports related to control Pin No Signal name Function 101 IRQ 2 1 interrupt signal 103 0 LICL 2 1 serial clock 99 2 1 serial data 98 0 HFS 2 1 serial select 7 6 9 4 2 Functions Major function of 306 follows 1 Expansion of the display screen 2 Timing control for various signal types 3 Power supply sequence LCD panel 9 5 bus control 9 5 1 Related ports of 1306 Post Pin No Signal name Function P3 5 14 0 bus clock P3 4 13 IICDATA IIC bus data 9 6 Power ON sequence When the POWER switch is pressed the POWER OFF signal is turned H When this H potential is detected the CPU begins to establish the respective power supplies according to the sequence shown below FOWER 140ms or more PPWR 100ms or more gt LE pp s lt 430ms or more INV EN CNET LE LED gt lt 110ms DATA _ 7 7 9 7 Power OFF sequence When the POWER switch is pressed while the power supply is ON the POWER ON signal is turned H When shown below His H potential is detected the CPU begins to turn off the respective power supplies according to the sequence POWER 6605 more PPWR
41. pin 150 3 FB302 R332 open OK Process Checking the resolution change IC movement section 7 2 Checking the control circuit of vertical sync pulse Check the vertical sync signal 1306 pin 148 TTL level Failure point 1 Video cable may have failed 2 Printed wire broke between P302 pin 14 and 1306 pin 148 3 FB301 R328 open OK Process Checking the resolution change IC movement section 6 11 8 Checking the resolution change movement 15 there 3 3V supply 1306 pin 77 79 84 96 92 88 8 129 136 139 137 143 11 21 58 108 149 12 33 40 65 NG Proceed Checking the DC DC converter circuit section x 15 20MHz clock input to 1306 141 at TTL level NG 1 20MHz clock output from X301 at TTL level gt MC Failure point X301 failure gt Failure point Print wire broke between X301 and 1306 pin 141 15 5 0V supplied to 1306 pin 100 at High level NG Check the output of 5 0V H pulse from 1301 pin 6 NG Is 5 0V supplied to 1301 pin 7 OK 1306 failure OK 1 FB318 failure 2 Power source Failure point Failure point Print wire broke between 1301 failure 1301 pin 6 and 1306 100 6 12 9 9 1 power 1 Check output voltage 5V 15V is right or not NG It is not power board problem OK Check power switch is turn on or not NG Turn switch on OK Ch
42. to interfere with radio and television reception 1 The power supply cord you use must have been approved by and comply with the safety standards of U S A and meet the following condition Power supply cord Non shield type 3 conductor Length 2 0m Plug shape 2 Shielded video signal cable Use of other cables and adapters may cause interference with radio and television reception English 3 1 4 2 This equipment has been tested found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult your dealer or an experien
43. 02 104 105 Failure point Printed wire broke between 1306 99 1302 17 Printed wire broke between 1306 102 1302 21 Printed wire broke between 06 104 1302 20 Printed wire broke between 06 105 1302 18 Printed wire broke between 06 103 1302 22 Printed wire broke between 1306 98 1302 23 OK Process Checking the resolution change IC movement section 6 9 6 Abnormal plug and play operation Confirm the input of serial clock on 1308 pin 6 SCL at TTL level Failure point 1308 failure OK Failure point 1 The video cable may have failed or may not have connections for DDC 2 Between 1308 pin 6 and P302 pin 14 may have failed 3 R337 open 4 Cable failure Confirm the input of serial data on 1308 pin 5 SDA at TTL level Failure point OK 1308 failure Failure point 1 The host machine isn t communicating in DDC2 mode 2 The video cable may have failed or may not to have connections for DDC 3 Between 1308 pin 6 and P302 pin 13 may have failed 4 5 R338 open Cable failure 6 10 7 Checking the interface circuit of sync signal 7 1 Checking the control circuit of horizontal sync pulse Check the horizontal sync signal 1306 pin 150 TTL level Failure point 1 Video cable may have failed 2 Printed wire broke between P302 pin 13 and 1306
44. 11 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1974 CAP ALU UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 8 8 SYMBOL PART NO DESCRIPTION 79PL1418 UF 0 1 25V Z Y5V SMD 79PL1418 UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 UF 0 1 25V Z Y5V SMD 79PL1946 MC UF 0 47 25V M Y5V SMD 79PL2048 CAP X2 MEF UF 0 33 275V 79PL2049 CAP X2 MEF UF 0 33 275V 79PL2050 CAP CD PF 2200 250V M F 79PL2050 CAP CD PF 2200 250V M F 79PL2051 CAP ALU UF 100 400V NF 1 79PL0517 CD
45. 2 79PL1098 79PL1098 79PL1953 79PL1953 79PL1953 79PL0993 79PL0991 79PL0991 79PL2056 79PL1377 BEAD CORE WB201209B300QST CORE BEAD FCM1608C 301T01 BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST CORE BEAD WB201209B401QNT BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y COIL CHOKE 45UH K COIL CHOKE 3UH K COIL CHOKE 3UH K COIL CHOKE UH 33 K DRWW1 LINE FILTER TLF 1030 MH 1 ELECTRICAL PARTS amp MISCELLANEOUS PARTS APPEARANCE PARTS B0106 010 B02P 79PL1452 79PL1461 79PLO329 79PL1454 79PL2057 79PL1856 79PL1378 79PL1464 79PL2007 79PL2036 79PL2037 79PL2038 79PL2039 79PL1053 79PL1897 79PL1836 79PL1835 AUDIO CABLE UL2547 26X2C FUSE TIME LAG 3 15A 250V FUSE CLIP FC 04 FOR D 5MM HARNESS 4 160MM 25474 AC INLET 3P INALWAYS AS07 CABLE POWER TO WALL 2000M THERMISTOR 8 5 SPEAKER 4P N13AA12PCH22 J CABLE VIDEO DSUBX2 2000MM HARNESS FFC 45P 0 5 95 1 HARNESS FFC 30P 0 5 115 HARNESS 12P 330MM CG150 LCD 15 CLAA150XG01 CPT CRYSTAL 20MHZ HC 49 US REAR COVER ASS Y NMV
46. 2 1 3 area of sub pixel 2 1 3 area of sub pixel 3 Inspection of PLUG amp PLAY communication OSM MONITOR INFORMATION for model name serial number 3 1 A construction of System This system should be connected as shown below PROGRAM PART No 599910578 Program Disk Signal Generator AUTO ADJ I F JIG Part No 599910401 120V For ver Part No 599910402 220V For B ver Printer Cable D Sub 15pin Signal Cable 3 2 Input Signal Horizontal synchronization frequency 43kHz Negative Vertical synchronization frequency 42Hz Negative 5 22 3 3 Operational procedures 1 Start PNP EXE from DOS mode or DOS pronto of Windows 2 Operation key assignment Determine the operation mode with the F1 F9 and ESC keys F1 Select Model Setting file changeover for respective models F4 Read EDID data for reading F5 Write Input 1 It is not used in this model F8 Write Input 2 Itis not used in this model F9 Write ALL EDID data and OSM data of the writing and inspection ESC EXIT End of program 3 Press the F1 key and enter an input of setting file for the related model Press the Enter key File name Model LCD1550ME 4 Writing and inspection procedures a Press the F9 key Write ALL b Since the screen is changed over to the one that waits for an input of serial number examine the serial number of the set enter it from the
47. 5 4 PNET7 PD13 4 5 PNL13 47X4 RN310 6383 PD14 1 8 PNL14 PD15 2 7 5 6384 FLM PD16 3 6 PNL16 100 C 6617 4 5 PNL17 C385 DE 100 474 1 386 SHFCLK NC RN311 PD42 1 8 PNL42 PD43 PNL43 PD18 3 6 PNL18 PD19 4 5 PNL19 47 4 RN312 PD20 1 8 PNL20 PD21 2 7 PNL21 PD22 3 6 PNL22 PD23 4 5 PNL23 C365 33pFX4 8 1 PNL42 REO 47X4 PNAS RET RN313 el 3 RED PD44 1 8 PNL44 5 ri PNLTS RES PD45 2 7 PNL45 C366 33pFX4 PD24 3 6 PNL24 8 1 PNL20 REA PD25 4 5 PNL25 7 2 PNC2T 6 3 2 RE6 5 4 PNL23 RET RN314 C367 33pFX4 PD26 1 8 PNL26 8 1 PNL44 PD27 1 PNL27 711 PRLA5 1 PD28 3 6 PNL28 SSES PNL24 6629 4 5 PNL29 4 PNU25 SES C368 33pFX4 i 474 8 1 PNL26 RN315 1 2 PNL27 GES PD46 1 8 PNL46 ri 2 28 GEE PD47 2 1 PNLA7 5 Fi PNET SET 3 6 PNL30 C369 33pFX4 PD31 4 5 PNL31 1 PNL46 ma PNL4 BEL 47X4 6 3 PNC3U BEZ RN316 5 4 PNL3T PD32 1 8 PNL32 33pFX4 PD33 2 1 PNL33 1 PNL32 BEA PD34 3 6 PNL34 2 PNL33 865 6035 4 5 PNL35 3 HEC 4 PNL35 47X4 10 3 GND HEADER 45 HEADER 30 SCHEMATIC DIAGRAM INTERFACE PWB 4 5 POWER SUPPLY
48. 79PL1953 79PL0993 79 10991 79 10991 79PL2056 79PL1377 79PL1452 79PL1461 79PLO329 79PL1454 79PL2057 79PL1848 79PL1378 79PL1464 79PL2078 79PL2036 79PL2037 79PL2038 79PL2039 79PL1053 79PL2043 79PL1844 79PL1905 BEAD CORE WB201209B300QST CORE BEAD FCM1608C 301T01 BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST CORE BEAD WB201209B401QNT BEAD CORE WB201209B300QST BEAD CORE WB201209B300QST CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y COIL CHOKE 45UH K COIL CHOKE COIL CHOKE 3UH K COIL CHOKE UH 33 K DRWW 1 LINE FILTER TLF 1030 MH 1 ELECTRICAL PARTS amp MISCELLANEOUS PARTS AUDIO CABLE UL2547 26X2C FUSE TIME LAG 3 15A 250V FUSE CLIP FC 04 FOR D 5MM HARNESS 4 160MM 25474 AC INLET 3P INALWAYS AS07 CABLE POWER TO WALL 2000M THERMISTOR 8 5 SPEAKER 4P N13AA12PCH22 J CABLE VIDEO DSUBX2 2000MM HARNESS FFC 45P 0 5 95 1 HARNESS FFC 30P 0 5 115 HARNESS 12P 330MM CG150 LCD 15 CLAA150XG01 CPT CRYSTAL 20MHZ HC 49 US REAR COVER 55 COVER CONNECTOR NMV NEC HINGE L NEC NEC FA150ATUA SYMBOL PART NO
49. 975 79PL1975 79PL1975 79PL1975 79PL1975 PWBASSYS 79 11819 79 11901 INTBD 79PL2044 INVA 79PL1982 POWEBD 79PL2047 COILS amp FILTERS DIODE DAN217 1146 SMD3 DIODE DAN217 7146 SMD3 DIODE RLS4148 LL 34 SMD DIODE RLS4148 LL 34 SMD DIODE ZNR RLZ 11 5 68 DIODE ZNR RLZ 11 5 68 LED LTL 1BEDJ 012 1 Y 3 G DIODE BRIDGE KBP205G 2A 6 DIODE FUF4006AMP DIODE FUF4005AMP 1A 600V DIODE SWITCHING 1N4148 T DIODE SF34 3A 200V T52 DIODE SWITCHING SB360 3A DIODE ZENER GDZJ18B T B SW POWER HF606A1GGATA HUA SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF FUNCTION KEY BD NEC FA150 HEAD PHONE BD NEC FA15AA INTERFACE BD INVERTER DG AC AMBIT T151 POWER BD 79PL1952 79PL1952 79PL1060 79PL1060 CORE BEAD WB201209B401QNT CORE BEAD WB201209B401QNT BEAD CORE WB201209F050QST BEAD CORE WB201209F050QST BEAD CORE WB201209F050QST CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y 79PL1060 79PL1953 79PL1953 79PL1953 SYMBOL PART NO DESCRIPTION XXX APPEARANCE PARTS 79 11098 79PL1954 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1952 79PL1098 79PL1098 79PL1953 79PL1953
50. 9PL1319 MC 0 01UF 50V X7R M SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V 2 Y5V SMD 79PL1317 MC 47PF 50V NPO J SMD 79PL1317 MC 47PF 50V NPO J SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1318 MC 5PF 50V NPO J SMD 0603 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1318 MC 5PF 50V NPO J SMD 0603 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1318 MC 5PF 50V NPO J SMD 0603 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD SYMBOL PART NO DESCRIPTION 79 11418 UF 0 1 25V Z Y5V SMD 79PL1943 ALU UF 1000 10V F 105 10X 79PL2045 CAP MC PF 82 50V J NPO S 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1407 C ALU UF 680 25V NF 105C 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1313 ALU UF 470 16V 105 10X11 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1974 CAP ALU
51. AAA HCLK 2 HDATAO HCLK MFB1 441 2 r lt 4 7 6 HDATA MFB2 7 RESETn 100 110 MFB3 RESETn MFB3 8 IRQ 101 109 2 g HREF IRA MEBI MFB5 VREF OSD HREF MFB5 9 86 C6 6CLL 117 OSP VREF MEB6 OSD CLK MFB7 HDATAS 104 HDATA2 GND DATAO 118 HDATAS 304 DATAT OSD DATA0 MFB9 MEB10 CVDDO HEADER 12 pATA2 9 _ OSD DATA1 MFB10 124 55 g ls le Ie 2 24 OSD DATAZ MFB11 23 8 B is g 121 OSD DATA3 C FSW 422 321 C322 C823 C324 OSD FSW 10nF 10nF 10nF E GND gmZANT RN304 is jo Is Is C325 C326 C327 C328 4 7 4 2 10nF 10nF 10nF 10nF GND 10 1 MAE l 53 0 5 i 10 1 GND SCHEMATIC DIAGRAM INTERFACE PWB 2 5 VGA INTERFACE CLOCK RECOVERY 1306B 24 5 pvpp DVDD SVDD SVDD SVDD 2 4 5 DGNDA 127 45 DAC_DGNDA LL BAS DONDA DAC_DGNDA DAC_SVDDA DAC SYDDA xbAc_svppA 5 R328 5 DAC DVDDA
52. ATE R G B CONNECTION HS lt gt H VS lt gt V CS not connected Note 2 Screen of Option 2 1 3 OSM control operation Each OSM function is available by pressing the push button switches EXIT NEXT RESET allocated in the lower section of the front bezel or the control PWB when a PWB unit only is furnished 1 3 1 Switch functions The basic functions of the respective push button switches or called the keys but in the same meaning are described below In a mode where no OSM display is presented the main menu of the OSM menu can be displayed when any key out of UP DOWN and is pressed Exit Menu Close Sub menu exit Control lt Menu Open Cursor Move Item Select Adjust Menu Open Adjust select item Enter Sub menu Next Menu Open Tag Select Function execute Reset Open reset menu Sound Mute 1 3 2 Basic operational procedures 1 Press any key out of or P or or and confirm that a menu as shown below is displayed VOLUME 2 When the NEXT kev is used the selective tag moves to the right and the adjusting screen changes With the adjusting screen selected use the keys and P to select the adjusting item simply item hereafter and set the adjusting value by the use of the keys and To execute an automatic adjustment function CONTRAST AUTO ADJUST AUTO ADJUST press the key or in the state of item highlight Then auto adjust are carried out When th
53. DAC DVDDA DAC SGNDA DAC SGNDA 45 100 4 129 PLL_RVDDA 5 PLL DVDDA LL DVDDA PLL DVDDA PLL RVDDA PLL RVDDA 5 PLL DGNDA 224 RESERVED RGNDA PLL RGNDA 45 5059 4 5 PLL_DGNDA lt 131 6 DGNDA RESERVED T 00pF D314 D316 R329 SUB RGNDA 132 2 2K SUB_DGNDA tek a2 SUB SONDA 141 R330 C330 NC GND 148 205 68 4 5 SGNDA amp 34 PLL SGNDA PLL SVDDA 436 RESERVED X302 5 PLL_SVDDA lt lt PLL_SVDDA NC GND ND gt RESERVED a x 132 RESERVED XTAL l 12 lt gt 153 STI 1 C333 154 sri IM2 X157 SCAN IN2 VSYNC 148 VSYNC IN 2 156 RESERVED HSYNC CSYNC 150 HSYNC VOA HSYNC 4 FB302 gmZAN1 WB201209B401QNT 100pF D315 D317 GND MM4148 205 68 2 R368 GND GND 10K D301 w VCC 2 4 5 C336 0 106 7 oves 4 Q308 t 2SK3018 2SK3018 D304 R33 R334 R335 PIN9 2 scL lt SCL 11873 37871 47K Q 47K 0309 Pape al 4 no vec 2503098 N aia VGA DB15 2 SDA 1 TAT JA 1 25 3018 1 M WP 7 2 SpA X DH WB201209F050QST 4 31 m 337 an AT 4 1 2FB303 DDC_SCL 15 4 1 vea T 4 vss SDA 4 4 R338 47 FB304 308 241 024 WB201209F050QST VGA HSYNC 1319 C336 C337 C338 Q307 3 R336 AKT DDC SDA TP 881390 4 70568 47pF 47pF 100pF 8 8 FB305 L 19 i 8 8 R370 WB201209F050QST alo 2 DDC GND l
54. DESCRIPTION 79PL1906 79PL1907 79PL1845 79PL1833 79PL2040 79PL1875 79PL1869 79PL2042 HINGE R NEC NEC FA150ATUA BRACKET HINGE NEC FA150AT COVER STAND FRONT NMV NEC COVER CABLE LCD1550MBK B BASE ASS Y NEC NEC FA15AA BRACKET STAND PLATE NEC FOOT RUBBER FRONT COVER ASS Y NEC NEC PRINTED 8 PACKING MATERIALS 79PL2077 79PL2075 79PL1881 79PL1841 79PL1102 79PL2080 79PL1960 79PL2079 79PL2034 RESISTORS 79PL1294 79PL0064 79PL0064 79PL1297 79PL1972 79PL1386 79PL1386 79PL1398 79PL1398 79PL1296 79PL1294 79PL1302 79PL1973 79PL1973 79PL1296 79PL1296 79PL1302 79PL1295 79PL1295 79PL1296 79PL1296 79PL1302 79PL1302 79PL1302 79PL1302 79PL1295 79PL1295 LABEL MODEL LABEL NMV 155 CARTON NMV NEC FA15AA 9 CUSHION FOAM EPS LCD1550M PLASTIC BAG PLASTIC BAG MANUAL MANUAL ASS Y NMV F CARD CAUTION SHEET NEC FA CARD SETUP CARD NEC FA15A CARD PRODUCT BROCHURE NEC CHIP R OHM 0 1 10W J 0603 CF OHM 270 1 4W J T26 CF OHM 270 1 4W J T26 CHIP R KOHM 100 1 10W J RES 300 1 10 R CHIP R KOHM 1 1 10W F R CHIP R KOHM 1 1 10W F R CHIP R KOHM 47 1 10W F R CHIP R KOHM 47 1 10W F CHIP R KOHM 10 1 10W J 06 CHIP R OHM 0 1 10W J 0603 CHIP R KOHM 4 7 1 10W J RES CHIP R KOHM 150 1 10 RES CHIP R KOHM 150 1 10 CHIP R KOHM 10 1 10W J 06 CHIP R KOHM 10 1 10W J 06 CHIP R KOHM 4 7 1 10W J CHIP R OHM 100 1 10W J 06 CHIP R OHM 100 1 10W J 06 CHIP R KOHM 10 1 10W J 06 CHIP R KOHM 10 1 10W J 06
55. KOHM 100 1 10W J 79PL1297 CHIP R KOHM 100 1 10W J 79PL1295 CHIP R OHM 100 1 10W J 06 79PL1295 CHIP R OHM 100 1 10W J 06 79PL1302 CHIP R KOHM 4 7 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1399 R CHIP R KOHM 47 1 10W J 79PL1941 CHIP R KOHM 3 3 1 10W J 6 79PL1296 CHIP R KOHM 10 1 10W J 06 79PL1303 CHIP R OHM 47 1 10W J 79PL1387 R CHIP R KOHM 1 1 10W J 79PL1384 R MGF KOHM 470 1 4W J AT5 8 5 SYMBOL PART NO DESCRIPTION 79PL2059 RES MOF KOHM 100 2W J HO 79PL2059 RES MOF KOHM 100 2W J HO 79PL0741 MOF KOHM 33 3W J HOR 79PL0086 CF OHM 4 7 1 4W J T26 79PL0089 CF KOHM 51 1 4VV J T26 79PL0077 CF KOHM 3 9 1 4W J T26 79PL2060 RES MOF OHM 1 2 1W J HOR 79 0056 CF KOHM 20 1 4W J T26 79PL2070 RES CF OHM 220 1 4W J T5 79PLOO81 CF OHM 47 1 4W J T26 79PL2071 RES CF KOHM 1 1 AW J T52 79PL0083 CF KOHM 4 7 1 4W J 26 79PL0089 CF KOHM 51 1 4 J T26 79 0088 CF KOHM 5 1 1 4 J T26 79PL0039 CF KOHM 1 1 4W J T26 79PL0064 CF OHM 270 1 4W J T26 79PL0065 CF KOHM 2 7 1 4W J T26 79PL0040 CFKOHM 10 1 4W J T26 79PL0039 CF KOHM 1 1 4W J T26 79PL0055 CFKOHM 2 1 4W J T26 79PL0088 CF KOHM 5 1 1 4 J T26 79PL2061 RES MOF KOHM 1 2 1W J HO 79PL1011 10KH 1 16W J 8P4R 79PL1011 10KH 1 16W J 8P4R 79PL1013 4 7KH 1 16W J 8P4R 79PL1013 4 7KH 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79
56. L2058 79PL2069 DIODES _ 79PL1947 79PL1947 79PL1144 79PL1947 79PL1144 79PL1947 79PL1144 79PL1249 79PL1249 IC TDA7496L 20P PDIP SG IC M51953AFP 8P SOP IC MTV312MV64 44P PLCC MY IC TTL NC7SZ04M5X 5P FAIR IC 24LC32A 8P SOP MICROCH IC TTL NC7SZ08M5X 5P FAIR IC GMZAN1 160P PQFP GENES IC CPU 24LC024 8PIN SOIC IC LM358DT 8P SOP ST IC AIC1084 33CM TO26 IC KA3842AE S 8P PDIP F IC LTV 817D 4P PDIP LIT IC KA431AZ 3PIN TO 92 T TR NPN SST2222A 800MA 50V TR NPN SST2222A 800MA 50V FET P CHNL 123050 VISHA TR NPN SST3904 SMD TR PNP 2 1037 T146 R TR NPN SST3904 SMD TR NPN SST3904 SMD FET N amp P CHNL 2SK3018 ROHM FET N amp P CHNL 2SK3018 ROHM TR PNP 2 1037 T146 R TR NPN SST3904 SMD FET N amp P CHNL 2SK3018 ROHM FET N amp P CHNL 2SK3018 ROHM FET N CHNL SSS4N60AS 2 3A TRANSISTOR PNP 2SA733P T DIODE MM4148 SMD GOODARK DIODE MM4148 SMD GOODARK DIODE ZNR RLZ TE 11 5 68 DIODE MM4148 SMD GOODARK DIODE ZNR RLZ TE 11 5 6B DIODE MM4148 SMD GOODARK DIODE ZNR RLZ TE 11 5 6B DIODE DAN217 T146 SMD3 DIODE DAN217 T146 SMD3 SYMBOL PART NO DESCRIPTION 79PL1249 79PL1249 79PL1032 79PL1032 79PL1144 79PL1144 79PL1431 79PL2053 79PL0923 79PL1423 79PL2068 79PL2054 79PL2055 79PL2072 TRANSFORMERS T802 79PL2062 XFRMER POWER TPW 1085 ER VARIABLE RESISTORS VR801 79PL1385 VARIABLE KOHM 1 0 3W TA 6 XXX RELAYS amp SWITCHES 79PL1462 79PL1975 79PL1975 79PL1975 79PL1
57. LAY L1 17 12 34 13 51 14 68 15 85 L6 102 L7 127 18 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 5 6 VG 819 setting values MHz DOT DOT DOT DOT DOT DOT H H H H EQP FP H EQP BP H SERRATION EQP VDSTART H H 11111111 L1 17 12 34 13 51 14 68 15 85 16 102 L7 127 18 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 5 7 VG 819 setting values Mode 2 MHz DOT DOT DOT DOT POSI POSI OFF OFF 8 bit 8 bit 8 bit 8 bit R 7 0 G 7 0 B 7 0 11111111 11111111 11111111 11111111 DELAY CLOCK DELAY L1 17 12 34 13 51 14 68 15 85 L6 102 L7 127 18 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 5 8 DELAY E POSI OFF 8 bit 8 bit R 7 0 G 7 0 B 7 0 11111111 11111111 CLOCK DELAY PAT SEL PPN OPTION 2 OPTION 2 CHRA TTERN Code OUTPUT PA GRAY Direction 0 L1 17 12 34 13 51 14 68 15 85 16 102 L7 127 18 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 PTION 2 OPTION2 2 5 9 8 bit R 7 0 G 7 0 B 7 0 ATUM DELAY CLOCK DELAY L0 0 L1 17 12 34 13 51 14 68 15 85 16 102 L7 127 18 143 L9 159 LA 175 LB 191 LC 207 LD 223 LE 239 LF 255 5 10 Note 1 According to the designation of sync signals the setting of each inspection mode analog outputs BNC of the signal generator shall be connected as specified below Except the cases when otherwise specified 1 SEPAR
58. OF THE MONITOR CAN REDUCE EYE SHOULDER AND NECK FATIGUE CHECK THE FOLLOWING WHEN YOU POSITION THE MONITOR For optimum performance allow 20 minutes for warm up Adjust the monitor height so that the top of the screen is at or slightly below eye level Your eyes should look slightly downward when viewing the middle of the screen Position your monitor no closer than 40 cm and no further away than 70 cm from your eyes The optimal distance is 53 cm Rest your eyes periodically by focusing on an object at least 6 m away Blink often Position the monitor at a 90 angle to windows and other light sources to minimize glare and reflections Adjust the monitor tilt so that ceiling lights do not reflect on your screen If reflected light makes it hard for you to see your screen use an antiglare filter Clean the LCD monitor surface with a lint free non abrasive cloth Avoid using any cleaning solution or glass cleaner Adjust the monitor s brightness and contrast controls to enhance readability Use a document holder placed close to the screen Position whatever you are looking at most of the time the screen or reference material directly in front of you to minimize turning your head while you are typing English 17 English e Avoid displaying fixed patterns on the monitor for long periods of time to avoid image persistence after image effects Get regular eye checkups Ergonomics To realize the maximum ergonomi
59. OT 23 8 3 a lt 60 RIA E a IM0603 0603 ie PA RP 26 R28 NC L R50 2 PONE 2K 0603 ko cis Cos 2 0603 3904 SOT 23 z RIS 280 0805 NOC0603 1057 0603 n 127K a 15 M i CS alN48 21 2 svc T 104K 0603 9 8 x x e SS a a p New R51 3 0603 d 474 0603 Ho OLSD W PN7002 2 gt LI B 8 DTCI24EKA SOT 23 NI9 gt 017 PMOS T0610 je 1 kwazi 3 N67 R22 E 200 2 14 RAT SyDG K TCI44AW gt 10K 4 4 4 NA R200 R203 30 9K DIK UIB 32 105K 0805 ei R205 66 5K E 7 RO LM339A 08 75K 155 89 5 1K Ds Bri 104K R204 8 2 1 487K 54 9K 1 BURST LS4148 6 8 m LM339A Title Vou 1 A R207 al AMBIT lt a 1006V0A ICT Doc No T151006 01 1006VOA ICT Seh 1 Short R5 05 09 2002 PREPARED BY NE 0 INITIAL 03 21 2002 File Name 1006V0A REVIEWED REV DESCRIPTION REL DATE JSHEET 1 1 APPROVED BY 1 2 3 4 5 6 7 8
60. PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R 79PL1307 FRN OHM 47 1 16W J 8P4R CAPACITORS 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1407 C ALU UF 680 25V NF 105C 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL0186 ALU UF 100 25V T 105C 6 79PL1418 C MC UF 0 1 25V Z Y5V SMD 8 6 SYMBOL PART NO DESCRIPTION 79PL1944 ALU UF 4 7 50V F 105C 6 3 79PL1944 ALU UF 4 7 50V F 105C 6 3 79PL1407 C ALU 680 25V NF 105C 79PL1407 C ALU UF 680 25V NF 105C 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1943 ALU UF 1000 10V F 105 10X 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1417 C MC UF 0 047 25V XR S 79 11418 UF 0 1 25V Z Y5V SMD 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1141 MC PF 100 50V NPO J SMD 0 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1014 ALU 10UF 16V 105C T SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1314 MC PF 22 50V NPO J SMD 79PL1318 5PF 50V NPO J SMD 0603 79PL1143 ALU UF 4 7 25V 85C T SMD 79PL1143 ALU UF 4 7 25V 85C T SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1319 MC 0 01UF
61. RELAYS amp SWITCHES 79PL1462 79PL1975 79PL1975 79PL1975 79PL1975 79PL1975 79PL1975 79PL1975 79PL1975 PWBASSYS 79 11819 79 11901 INTBD 79PL2044 INVA 79PL1982 POWEBD 79PL2047 COILS amp FILTERS DIODE DAN217 1146 SMD3 DIODE DAN217 7146 SMD3 DIODE RLS4148 LL 34 SMD DIODE RLS4148 LL 34 SMD DIODE ZNR RLZ 11 5 68 DIODE ZNR RLZ 11 5 68 LED LTL 1BEDJ 012 1 Y 3 G DIODE BRIDGE KBP205G 2A 6 DIODE FUF4006AMP DIODE FUF4005AMP 1A 600V DIODE SWITCHING 1N4148 T DIODE SF34 3A 200V T52 DIODE SWITCHING SB360 3A DIODE ZENER GDZJ18B T B SW POWER HF606A1GGATA HUA SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF SWITCH TACT TSAB 3 260GF FUNCTION KEY BD NEC FA150 HEAD PHONE BD NEC FA15AA INTERFACE BD INVERTER DG AC AMBIT T151 POWER BD 79PL1952 79PL1952 79PL1060 79PL1060 CORE BEAD WB201209B401QNT CORE BEAD WB201209B401QNT BEAD CORE WB201209F050QST BEAD CORE WB201209F050QST BEAD CORE WB201209F050QST CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y CORE BEAD SBK160808T 300Y 79PL1060 79PL1953 79PL1953 79PL1953 8 2 SYMBOL PART NO DESCRIPTION 79PL1098 79PL1954 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL1098 79PL195
62. T C441 0 1uF C442 VSS 0 1uF 34 vss f KKADC GND2 3 4 DAC DVDDA 4 DAC DVDDA 3 4 lt KADC_VDD1 3 FB325 443 FB326 C444 0 1uF T 1 EE l WB201209B300QST I DAC DGNDA 34 WB2042098300G8F 6 d 5 PLL_DVDDA 4 lt lt ADC_GND1 34 gt i FhL L_pVDDA 3 GND 6 5 T 0 1uF ADC_VDDA 3 L s PLL_DGNDA 8 DGNDA 34 FB327 C449 0 1uF DAC SVDDA WB201209B401QNT 4 DAC SVDDA 3 ADC GNDA ADC GNDA FB328 C450 WB201209B300QST T 0 1uF lt lt ADC_RVDDA 3 4 4 _ 3 4 6454 L _PLL_SVDDA 3 4 lt lt ADC_RGNDA 3 L cass T 0 142 PLL SGNDA 4 KKADC GVDDA 3 _ 34 C456 0 1uF PLL_RVDDA PLL RVDDA 3 4 4 KADC_GGNDA 3 FB329 0457 WB201209B300QST 0 1uF KKADC BVDDA 3 4 4 KPLL_RGNDA 3 4 C458 0 1uF 4 lt lt ADC_BGNDA 3 GND GND1 GND2 GND3 GND4 GND5 GND6 GND8 GND9 GND10 10 4 GND 2 MUTE gt 2 PWR_OFF gt SCHEMATIC DIAGRAM INTERFACE PWB 5 5 AUDIO 12V 9 1001 12V 45uH IY 6009 DRWW 10 x 10 12V T 100nF R055 s Q310 2SA1037 lt 10K Rose 053 C008 10K 150K lt R054 150K MUTE R047 47K Q311 SST3904
63. UF 0 01 1000V M Z5U F 79 10189 ALU UF 47 25V T 105C 79PL0252 CD UF 0 1 50VZ Y5V T 79 0231 CD PF 1000 50V K Y5P T 79PLO252 CD UF 0 1 50 Z Y5V T 79PL0232 CDUF 0 01 50V K Y5P T 79PL0191 ALUUF 10 50V T 105 79PL0526 MEM UF 0 1 50V J T 79PL2064 CAP CD PF 1000 100V K T 79PL2065 ALUMINATOR UF 680 25V T 1 79PL2065 ALUMINATOR UF 680 25V T 1 79PLO252 CD UF 0 1 50 Z Y5V T 79PL2066 CAP CD PF 1000 100V K T 79PL2067 CAP ALU UF 470 25V T 105 79PL0483 ALU 1000 16V T 105 79PL0252 CDUF 0 1 50V Z Y5V T 79PL0526 MEM UF 0 1 50V J T 79PL2052 CAP CD PF 1000 250V M F 79PL0185 ALU UF 10 25V T 105C 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 79PL1955 MC PF 33 50V K NPO SMD 06 8 9 REPLACEMENT LIST The components specified for Model LCD1550ME BK B SYMBOL PART NO DESCRIPTION XXX 5 XXX 79PL1440 79PL1948 79PL1951 79PL1950 79PL1447 79PL1949 79PL1323 79PL2046 79PL1322 79PL1441 79PL1439 79PL1438 79PL1437 TRANSISTORS XXX 79PL1321 79PL1321 79PL1435 79PL1036 79PL1037 79PL1036 79PL1036 79PL1436 79PL1436 79PL1037 79PL1036 79PL1436 79PL1436 79P
64. UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1974 CAP ALU UF 220 10V NF 10 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1319 MC 0 01UF 50V X7R M SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD SYMBOL PART NO DESCRIPTION 79PL1418 UF 0 1 25V Z Y5V SMD 79PL1418 UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 C MC UF 0 1 25V Z Y5V SMD 79PL1418 UF 0 1 25V Z Y5V SMD 79PL1946 MC UF 0 47 25V M Y5V SMD 79PL2048 CAP X2 MEF UF 0 33 275V 79PL2049 CAP X2 MEF UF 0 33 275V 79PL2050 CAP CD PF 2200 250V M F 79PL2050 CAP CD PF 2200 250V M F 79PL2051 CAP ALU UF 100 400V NF 1 79PL0517 CD UF 0 01 1000V M Z5U F 79 10189 ALU UF 47 25V T 105C 79PL0252 CD UF 0 1 50VZ Y5V T 79 0231
65. X If the primary voltage is 15Vrms and the transformer turn ratio is 100 That secondary voltage is about 15 100 1500Vrms 7 10 5 and balance circuit connect to the lamps and supply the power to drive the lamps The balance circuit is use L C R resonant to control the output current It can get the same output current even the load is different 6 Feedback circuit The sense voltage of the feed back is set at 2 5 voltage And the IC compare the sense voltage with output current and release the control signal to PWM 7 Protection circuit The protection circuit is sense the output current and abnormal signal to protect the inverter a For output current The protect circuit will be monitor the lamps current If the lamps current is correct it will be allow the inverter to operating continually In other ward if the lamps current is abnormal it will be shutdown the inverter b For other abnormal signal in the inverter We sense the abnormal signal from PWM and Royer stage If something wrong at power stage the protect circuit will be shutdown the inverter REPLACEMENT LIST The components specified for Model LCD1550ME B SYMBOL PART NO DESCRIPTION XXX 5 XXX 79PL1440 79PL1948 79PL1951 79PL1950 79PL1447 79PL1949 79PL1323 79PL2046 79PL1322 79PL1441 79PL1439 79PL1438 79PL1437 TRANSISTORS XXX 79PL1321 79PL1321 79PL1435 79PL1036 79PL1037 79PL1036 79PL1036
66. age shall be maintained in the state that a current of 10mA is carried e Testing point Between the electrical circuit block and the exposed metallic block D SUB connector Note The electrical circuit block shall mean the power input block primary side Testing shall be carried out under the condition that both poles of the power plug are short circuited Where a 3 core cord is used the two poles other than the earth terminal shall be short circuited 2 Judgment standard The freedom from insulation breakdown shall be confirmed under the condition that the applied voltage is maintained at 1500 AC 0 to 50V for one minute Even though the result of this testing is OK such a condition shall be regarded as unacceptable if there is a leakage flashing around the section where the test voltage has been applied If the result of insulation resistance test is found unacceptable to be carried out after this testing such a condition shall be regarded as that an insulation breakdown has occurred 1 7 4 Leakage current test A leakage current shall be measured under the conditions specified below in order to confirm that the requirements of the judgment standard are met 1 Measuring conditions Measuring instrument Leakage current meter A 15000 resistor shall be incorporated together with a bypass capacitor of 0 15uF Testing point Between the exposed metallic block D SUB connector and Phases and B of the pow
67. and chlorinated solvents among other things The product must be prepared for recycling and the manufacturer is obliged to have an environmental plan which must be adhered to in each country where the company implements its operational policy The energy requirements include a demand that the computer and or display after a certain period of inactivity shall reduce its power consumption to a lower level in one or more stages The length of time to reactivate the computer shall be reasonable for the user Labelled products must meet strict environmental demands for example in respect of the reduction of electric and magnetic fields physical and visual ergonomics and good usability Environmental Requirements Flame retardants Flame retardants are present in printed circuit boards cables wires casings and housings In turn they delay the spread of fire Up to thirty percent of the plastic in a computer casing can consist of flame retardant substances Most flame retardants contain bromine or chloride and these are related to another group of environmental toxins PCBs which are suspected to give rise to severe health effects including reproductive damage in fisheating birds and mammals due to the bioaccumulative processes Flame retardants have been found in human blood and researchers fear that disturbances in foetus development may occur TCO 99 demand requires that plastic components weighing more than 25 grams must not contain f
68. ced radio TV technician for help If necessary the user should contact the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington D C 20402 Stock No 004 000 00345 4 Declaration of Conformity This device complies with Part 15 of FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation U S Responsible party NEC Mitsubishi Electronics Display of America Inc Address 1250 N Arlington Heights Road Itasca Illinois 60143 1248 Tel No 630 467 3000 Type of Product Computer Monitor Equipment Classification Class B Peripheral Models MultiSync LCD1550ME We hereby declare that the equipment specified above conforms to the technical standards specified the Rules English 4 1 5 Contents English Your new MultiSync LCD monitor box should contain the following MultiSync LCD1550ME monitor with tilt base Power Cord Video Signal Cable Audio Cable User s Manual CD ROM includes complete User s Manual in PDF format To see the User s
69. cks out access to all OSM control functions When attempting to activate OSM controls while in the Lock Out mode a screen will appear indicating the OSM controls are locked out To activate the OSM Lock Out function press lt then and hold down simultaneously To de activate the OSM Lock Out press lt then and hold down simultaneously RESOLUTION NOTIFIER This optimal resolution is 1024 x 768 If ON is selected a message will appear on the screen after 30 seconds notifying you that the resolution is not at 1024 x 768 FACTORY PRESET Selecting Factory Preset allows you to reset all OSM control settings back to the factory settings The RESET button will need to be held down for several seconds to take effect Individual settings can be reset by highlighting the control to be reset and pressing the RESET button Information MODE DISPLAY MODE Indicates the current display resolution and frequency setting of the monitor English 14 MONITOR INFO Indicates the model and serial numbers of your monitor OSM Warning OSM Warning menus disappear with Exit button NO SIGNAL This function gives a warning when there is no signal present After power is turned on or when there is a change of input signal or video is inactive the No Signal window will appear RESOLUTION NOTIFIER This function gives a warning of use with optimized resolution After power is turned on or when there is a change of input signal or the
70. cs benefits we recommend the following Use the preset Size and Position controls with standard signals Use the preset Colour Setting Use non interlaced signals with a vertical refresh rate between 60 75 Hz Do not use primary colour blue on a dark background as it is difficult to see and may produce eye fatigue to insufficient contrast English 18 Specifications English Monitor Specifications MultiSync LCD1550ME Monitor Notes LCD Module Diagonal Viewable Image Size Native Resolution Pixel Count 38 cm 15 inches 38 cm 15 inches 1024 x 768 Active matrix thin film transistor TFT liquid crystal display LCD 0 30 mm dot pitch 250cd m white luminence typical 400 1 contrast ratio typical Input Signal Video ANALOG 0 7 Vp p 75 Ohms Sync Separate sync TTL Level Horizontal sync Positive Negative Vertical sync Positive Negative Display Colours Analog input 16 777 216 Depends on display card used Synchronization Range Horizontal Vertical 31 5 kHz to 60 0 kHz 56 2 Hz to 75 1 Hz Automatically Automatically Viewing Angle Left Right Up Down 60 45 55 Resolutions Supported 720 x 400 VGA text 640 x 480 at 60 Hz to 75 Hz 800 x 600 at 56 Hz to 75 Hz 832 x 624 at 75 Hz 1024 x 768 at 60 Hz to 75 Hz Some systems may not support all modes listed Active Display Horizontal 304 mm 12 inches Dependent upon signal
71. cs equipment to be recycled in a satisfactory way most of these potentially damaging substances sooner or later enter Nature There are also other characteristics of a computer such as energy consumption levels that are important from the viewpoints of both the work Internal and natural external environments Since all methods of conventional electricity generation have a negative effect on the environment acidic and climate influencing emissions radioactive waste etc it is vital to conserve energy Electronics equipment in offices consume an enormous amount of energy since they are often left running continuously What does labelling involve This product meets the requirements for the TCO 95 scheme which provides for international and environmental labelling of personal computers The labelling scheme was developed as a joint effort by the TCO The Swedish Confederation of Professional Employees Naturskyddsforeningen The Swedish Society for Nature Conservation and NUTEK The National Board for Industrial and Technical Development in Sweden The requirements cover a wide range of issues environment ergonomics usability emission of electrical and magnetic fields energy consumption and electrical and fire safety English 29 1 30 environmental demands concern restrictions the presence use of heavy metals brominated and chlorinated flame retardants CFCs freons and chlorinated solvents among ot
72. ction of POWER SAVE 4 Remove the output signal of the VG 819 from H sync and V sync connector Confirm that the screen disappears and the OSM menu of the NO SIGNAL is displayed Wait in this state for about 5 seconds and confirm that the LED display is turned into amber and the POWER SAVE mode is assumed 5 15 1 5 4 Inspection Audio function Purpose of inspection Confirming that the audio function works normally 1 connects audio in with the PC or the audio player and it enters a sound AUDIO INPUT PC or Audio Player 2 Enter Signal 17 through INPUT 3 Display the OSM menu Use the NEXT key to move as far as to the Volume tag Lio anpile zz 8 48 VOLUME o Sound Volume menu 4 Confirm that the green bar is changed and the audio volume is also changed when the and kevs are operated 5 It confirms that sound is outputted from the left right speakers and headphones 1 6 Setting before shipment In order to recover the initial conditions of all settings the contents of the memory are reset before shipment This reset process involves actions in regard to the memory of signal modes Therefore these actions should be taken after the completion of all electrical inspection and display inspection 1 Enter an input of Signal 4 through INPUT Operate the OSM to enter the service mode and display a service menu 2 Adjust the cursor to FACTORY PRESET by the
73. de setting shall conform to the following 1 Turn the POWER switch on while there are no inputs of the VIDEO and SYNC signals 2 Press the gt RIGHT or lt LEFT or PLUS or MINUS key to display the information OSM 3 Then Press the PLUS and MINUS keys simultaneously with the RESET key kept pressed Then the mode moves to the aging mode E amp CHECK CABLE SEE USER S MANUAL Push PLUS and MINUS and RESET MORE INFORMATION wa 8 NO SIGNAL 4 2 4 If there is no particular operation an all white screen 255 255 gradation is displayed 5 Operate the gt RIGHT and f LEFT keys in this state Then operation for the gradation becomes possible It is also possible to change the pattern by operating the JRIGHT and lt LEFT keys 6 When withdrawing from the aging mode press the EXIT key During operation in the aging mode the power save mode is not assumed The LED maintains the green display 2 2 8 Service mode At the time of adjustment of this model a suggestion may be given to enter the service factory mode This will be explained below 1 Service mode 1 In the display mode menu press the and LEFT keys at the same time while pressing the RESET key 2 When the NEXT key is pressed under the condition that the WARNING screen is displayed the mode moves to the SERVICE mode At that time the LED is kept lit in green The OSM AUTO OFF
74. e adjusting item is present in TOOL or INFO move to the selecting item with the NEXT key and select the wanted item with the keys and In the state that the wanted item is highlighted in green press the key or in order to get the adjusting screen displayed for each item 3 When inspection is finished press the EXIT key to withdraw from the OSM menu 1 4 1 Connect power cable to the unit being inspected 2 Connect the VG 819 cable to the unit being inspected Any input connector is acceptable 3 Turn on the POWER switch of the VG 819 to generate an output of Signal 17 4 There is a vacation switch a seesaw switch at the left side of the unit being inspected Confirm that this switch is set at the side Press the POWER key at the right end of the front to turn on the unit being inspected 5 The LED is then lit in green and a screen is displayed 1 5 Inspection 1 5 1 Inspection on LCD brightness and contrast 1 Enter Signal 17 through INPUT The screen display is made in all white 2 Display the BRIGHTNESS CONTRAST tag of the OSM menu 3 Get BRIGHTNESS highlighted with the lt and P keys AUTOIO ijec AUTO BRIGHTNESS Brightness adjust menu 4 Confirm that the green bar is changed by the operation of the and keys and that the screen brightness is changed 5 Confirm that the highlight display is for BRIGHTNESS Press the RESET key Then the confi
75. e disconnection Check the R G B input signals on 1306 pin 95 91 87 respectively that their level is 0 7Vp p maximum lt In the case of the Red signal A Green and Blue signal is the same path too 1 Printed wire broke between D Sub R and 1306 pin 95 2 R346 short 3 C348 open 4 R345 open Is the pulse of the TTL level being output to P306 P307 from the data line of 13062 OK 1 Printed wire broke between 1306 data line and P306 P307 2 1317 failure Check the negative horizontal sync pulse output to P307 pin 38 from 1306 pin 74 at TTL level OK 1 Printed wire broke between 1306 pin 74 and P307 pin 35 2 R350 open 3 C383 short 6 7 Check the negative vertical sync pulse output to P307 pin 40 from 1306 pin 73 at TTL level 1 Printed wire broke between 1306 73 and P307 40 2 R351 open 3 C384 short Check the positive DE pulse output to P307 pin 42 from I306 pin 43 at TTL level lt 1 Printed wire broke between 1306 pin 42 and P307 pin 42 2 R352 open 3 C385 short Check the SHFCLK OUTPUT to P307 pin 44 from 1306 pin 44 at TTL level C 1 Printed wire broke between 1306 pin 44 and P307 pin 39 2 FB312 open 3 FB311 open 4 5 C354 short C355 short Process Checking the resolution change IC movement section 6 8 5 OSM display Check the input pulse from 1306 98 103 99 1
76. e power cord to the MultiSync LCD Series monitor and the other end to the power outlet Place the video signal cable and AC power cord under the clips Figure D 1 Replace connector cover and cable cover NOTE Adjust the position of the cable under the clips to avoid damage for cable or monitor NOTE Please refer to Caution section of this manual for proper 7 selection of AC power The Vacation Switch on the left side of the monitor must be turned on Figure F 1 Turn on the monitor with the Power Button and the computer English 6 1 7 NOTE The Vacation Switch is a true on off switch If this switch is on the OFF position the monitor cannot be turned on using the front button DO NOT switch on off repeatedly English 8 No touch auto adjust automatically adjusts the monitor to optimal settings upon initial setup for most timings For further adjustments use the following OSM controls Auto Adjust Contrast Auto Adjust Refer to the Controls section of this Users Manual for a full description of these OSM controls NOTE If you have any problems please refer to the Troubleshooting section of this User s Manual 8 pio Figure A 1 Clip B Figure B 1 8 Cable Adapter Ir not included Macintosh G3 and G4 do not need a Macintosh cable adapter Figure 1 English 7 1 8 Connector cover Cable cov
77. eck power cord P801 Signal cable P302 P802 P803 is connected right or not NG Connect it right OK Check C805 is about DC 140V 330V or not NG Check F801 D801 P801 and repair them OK Check C807 is over 10V or not NG Check R805 R803 20802 OK Q801 1801 and repair them Check pin 6 of I801 have same pulse or not NG Check peripheral components of 1801 OK and repair them e g Q805 Q806 Check pin 3 of T802 have same pulse or not NG Check Q803 R813 R814 D806 OK R812 and repair them Check peck voltage of R811 triangle pulse is up to 1 volt or not NG Check D804 R807 and repair them Check D809 D810 C816 C821 T802 have same short circuit or the output 5V 15V is over load Repair them OK Check feedback circuit around 1802 1803 and the other components and repair them 9 2 No power 2 Check 5 power is supplied from power source Failure point Power source failure OK Is LED turned on in amber momentarily when a power button is pushed Failure point Power source failure Process Checking the operation of CPU section 6 14 10 Checking the DC DC converter circuit Check the output of 3 3V line voltage from 1310 pin 2 Is the output FB320 being inputted to 1315 pin 3 Failure point Printed wire broke between 1310 pin 3 and output of FB321 OK Failure point 1310 failure Fail
78. er Figure D 1 Figure E 1 Power Button Vacation Switch Figure F 1 English 8 1 9 Tilt Grasp both sides of the monitor screen with your hands and adjust the English tilt as desired Figure TS 1 Remove Monitor Stand for Mounting To prepare the monitor for alternate mounting purposes 1 6 Remove the connector cover and cable cover Figure R 1 2 Disconnect all cables 3 4 Remove the 4 screws connecting the monitor to the stand and lift off Place monitor face down on a non abrasive surface Figure R 2 the stand assembly Figure R 2 the monitor is now ready for mounting in an alternate manner Connect the AC cord signal cable and audio cable to the back of the monitor Figure R 3 Reverse this process to reattach stand NOTE Use only VESA compatible alternative mounting method LY Figure TS 1 English 9 Non abrasive surface Figure R 3 English 10 7 This LCD monitor is designed for use with flexible arm Please use the attached screws 4pcs when mounting To meet the safety requirements the monitor must be mounted to an arm which guaranties the necessary stability under consideration of the weight of the monitor The LCD monitor shall only be used with an approved arm e g GS mark English Replace screws Thickness of bracket arm 2 0 3 2
79. er source Condition of the set power cable shall be connected without connecting a signal generator The see saw switch on the set side shall be turned ON and OFF 2 Judgment standard The leakage current measured shall be 1 5mA or less with an input of 240V AC x 1 06 5 0V 60Hz 1 7 5 Insulation resistance test An insulation resistance shall be measured under the conditions specified below in order to confirm that the requirements of the judgment standard are met 1 Measuring conditions e Measuring instrument 500V DC megger e Testing point Between the power circuit block and the exposed metallic block D SUBI connector e Measured value readout A test voltage shall be applied for one minute and the resistance value shall be read out thereafter 2 Judgment standard 10MQ more 2 External inspection the LCD module 2 1 External inspection of the display surface The display surface shall be visually inspected according to the inspection items specified below In cases of the discovery of extreme defects or doubtful judgment final judgment should be made on the basis of relevant detailed standards for inspection Unless otherwise specified the inspection signals shall be used at the timing of Signal 17 specified in Paragraph 1 2 8 herein 2 1 1 Inspection items 1 Examination of the missing of lines horizontal or vertical lines failing to be displayed 2 Presence of extreme missing of
80. f pin 6 to become narrower So the output voltage 5V will be pulled down to a stable value 7 4 OVP If 5V goes up too much the induced voltage on pin 4 of T802 becomes large also Suppose that it is over 18 volts ZD801 conducts pin 3 of 1801 is pulled up over 1 volt The pulse train at pin 6 goes down to zero shutting Q803 off completely 7 5 SCP If output terminal is short to ground photo transistor does not conduct hence 0806 does not conduct neither The reference voltage 5 at pin 8 begins to charge on C829 and activates Q806 to conduct either Then oscillation of 1801 is stop shutting 0803 off completely LCD 1550ME Power Board Block Diagram Power Output Rec amp Filter Transformer Driver 3 On screen circuit Circuit diagrams Main PWB 1306 gmZAN1 Embeded function On screen menu screen is established and the resultant data are output from 1306 Circuit diagram MAIN PWB gmZAN1 4 Video input circuit Circuit diagram MAIN PWB The AC coupled video signal is used to clamp the black level at 0V 5 Definition converter LSI peripheral circuit Circuit diagram MAIN PWB 1306 gmZAN1 is the definition converter LSI The analog R G B signal input entered from the video input circuit is converted into the digital data of video signal through the incorporated A D converter Based on this conversion this device performs interpolation during pixel extension The source voltage for this device is 3 3V and
81. he inspection of the LCD1550ME unit 1 2 Inspection conditions Unless otherwise specified inspection shall be carried out under the following conditions 1 2 1 Power source voltage AC voltage AC 100 120V 220 240V 5 50 60Hz 1 2 2 Equipment to be used Equipment that can generate an output of the adjusted VG 819 unit or equivalent The signal timing for the inspection ROM shall conform to the table provided in Paragraph 1 2 8 herein 1 2 3 Inspection cables connections 1 Connections between the unit under inspection and the VG 819 shall be made through D SUB connector of the unit under inspection and the cable that can carry each output of the VG 819 as specified below BNC DSUB female connector 2 For connections to the power supply an AC cable for LCD1550VM shall be used 1 2 4 Brightness setting Unless otherwise specified inspection shall be carried out under the condition that the LCD brightness is set at the highest level 1 2 5 Inspection mode Each inspection shall be carried out in the inspection mode specified in each relevant inspection item The detailed setting for each mode shall be specified in Paragraph 1 2 8 herein 1 2 6 OSM functions If checking and operation by OSM are specified in each inspection item display and operation of the OSM shall be carried out by operating the push switches of the unit under inspection according to the instructions Outline operation is described in Item 1
82. her things The product must be prepared for recycling and the manufacturer is obliged to have an environmental plan which must be adhered to in each country where the company implements its operational policy The energy requirements include a demand that the computer and or display after a certain period of inactivity shall reduce its power consumption to a lower level in one or more stages The length of time to reactivate the computer shall be reasonable for the user Labelled products must meet strict environmental demands for example in respect of the reduction of electric and magnetic fields physical and visual ergonomics and good usability TCO 95 is a co operative project between TCO The Swedish Confederation of Professional Employees Naturskyddsforeningen The Swedish Society for Nature Conservation and NUTEK The National Board for Industrial and Technical Development in Sweden Environmental Requirements Brominated flame retardants Brominated flame retardants are present in printed circuit boards cables wires casings and housings In turn they delay the spread of fire Up to thirty percent of the plastic in a computer casing can consist of flame retardant substances These are related to another group of environmental toxins PCBs which are suspected to give rise to similar harm including reproductive damage in fisheating birds and mammals due to the bio accumulative processes Flame retardants have been found i
83. image quality but with size and weight limitations The monitor s small footprint and low weight allow it to be moved or transported easily from one location to another OSM On Screen Manager Controls Allow you to quickly and easily adjust all elements of your screen image via simple to use on screen menus No touch Auto Adjust No touch auto adjust automatically adjusts the monitor to optimal settings upon initial setup ErgoDesign Features Enhance human ergonomics to improve the working environment protect the health of the user and save money Examples include OSM controls for quick and easy image adjustments tilt base for preferred angle of vision small footprint and compliance with MPRII and TCO guidelines for lower emissions Plug and Play The Microsoft solution with the Windows 95 98 ME 2000 XP operating system facilitates setup and installation by allowing the monitor to send its capabilities such as screen size and resolutions supported directly to your computer automatically optimizing display performance IPM Intelligent Power Manager System Provides innovative power saving methods that allow the monitor to shift to a lower power consumption level when on but not in use saving two thirds of your monitor energy costs reducing emissions and lowering the air conditioning costs of the workplace Multiple Frequency Technology Automatically adjusts monitor to the display card s scanning frequency thus displaying the
84. ing the interface circuit of sync signal 6 11 7 1 Checking the control circuit of horizontal sync pulse 6 11 7 2 Checking the control circuit of vertical sync pulse 6 11 8 Checking the resolution change IC movement 6 12 9 No power 6 13 9 1 No power 1 6 13 9 2 No power 2 6 14 10 Checking the DC DC converter circuit 6 15 11 Checking the operation of CPU 6 16 12 Checking the audio circuit 6 17 13 Check the inverter board circuit 6 18 6 1 1 display of screen Screen is black color of LED is amber Does OSM display when you push key button When a signal isn t being inputted it is indicated with NO VIDEOINPUT It is indicated with OUT OF RANGE at the time of the frequency that it can t be
85. keyboard and press the Enter key The message of the screen Model Name LCD1550ME Input serial number Enter only Use previous number c Model name and serial number writing for the OSM MONITOR INFO According to the screen commands change over the signals and make OSM menu setting for the writing set Signal fH 43kHz Negative fV 42 2 Negative When the Enter key is pressed the model name and serial number of the OSM MONITOR INFORMATION are written d EDID data writing When the Enter key is pressed the EDID data of the D SUB INPUT are written The message of the screen Input 1 File 1 set V 42Hz N Hit any key e Upon normal completion a screen display is presented OK f A power supply switch is switched off gt turned on Display MONITOR INFORMATION of the OSM and confirm that the model name LCD 1550ME and serial number have been correctly written 5 23 3 4 EDID data file EDID data file text is shown below When you write inspect EDID for this monitor the following table can be used file name L1550ME TXT 2 3 4 5 6 7 8 9 6 06 F 00 00 FF FF FF FF FF 00 38 65 01 01 01 01 10 1 2 01 03 08 1E 17 78 EA 9D 9E 99 58 4C 93 26 20 21 4c 54 BF EE 00 01 01 01 01 01 01 01 Of 01 Of 30 01 01 01 01 01 01 1E 00 20 41
86. lame retardants with organically bound chlorine and bromine Flame retardants are allowed in the printed circuit boards since no substitutes are available Lead Lead can be found in picture tubes display screens solders and capacitors Lead damages the nervous system and in higher doses causes lead poisoning TCO 99 requirement permits the inclusion of lead since no replacement has yet been developed English 27 1 28 Cadmium Cadmium is present in rechargeable batteries and in the colourgenerating layers of certain computer displays Cadmium damages the nervous system and is toxic in high doses TCO 99 requirement states that batteries the colourgenerating layers of display screens and the electrical or electronics components must not contain any cadmium Mercury Mercury is sometimes found in batteries relays and switches Mercury damages the nervous system and is toxic in high doses TCO 99 requirement states that batteries may not contain any Mercury It also demands that no mercury is present in any of the electrical or electronics components associated with the display unit CFCs freons CFCs freons are sometimes used for washing printed circuit boards CFCs break down ozone and thereby damage the ozone layer in the stratosphere causing increased reception on Earth of ultraviolet light with consequent increased risks of skin cancer malignant melanoma The relevant TCO 99 requirement Neither CFCs nor
87. mble the set turn off power and pull out the power plug E Use the proper screwdriver If oversize or undersize screwdriver is used screws may be damaged Assembly is the opposite process of disassembly SYMBOL CODE DESCRIPTION CABINET COLOR 1 79PL1836 COVER CONNECTOR White 1 79PL1844 COVER CONNECTOR NMV NEC Black 2 79PL1825 COVER CABLE White 2 79PL1833 COVER CABLE LCD1550MBK Black 3 ER SCREW M4 12 4 E SCREW T3 12 ma _ 8 __ Li 3 1 SYMBOL CODE DESCRIPTION CABINET COLOR 5 79PL1897 REAR COVER ASS Y NMV NEC White 5 79PL2043 REAR COVER ASS Y NEC NEC Black SYMBOL CODE DESCRIPTION 6 BRACKET VESA ASS Y 7 79PL1915 RUBBER CUSHION REAR COVER 3 2 SYMBOL CODE DESCRIPTION 8 SCREW M3 6 9 79PL1910 SHIELD ASS Y NEC FA150ATU SYMBOL CODE DESCRIPTION 11 79PL1912 INSULATOR NEC FA150ATUA B 12 79PL1913 INSULATOR NEC FA150ATUA P 13 79PL1911 INSULATOR NEC FA150ATUA P 3 3 SYMBOL CODE DESCRIPTION 14 79PL2044 INTERFACE BD 15 79PL2047 POWER BD 16 79PL1982 INVERTER DC AC AMBIFT15I 8 6 17 SCREW M4 8 18 SCREW M3 6 Flat 19 SPECIAL HEX 3 4
88. n human blood and researchers fear that disturbances in foetus development may occur TCO 95 demand requires that plastic components weighing more than 25 grams must not contain organically bound chlorine and bromine Lead Lead can be found in picture tubes display screens solders and capacitors Lead damages the nervous system and in higher doses causes lead poisoning TCO 95 requirement permits the inclusion of lead since no replacement has yet been developed English 30 1 81 Cadmium Cadmium is present in rechargeable batteries and in the colourgenerating layers of certain computer displays Cadmium damages the nervous system and is toxic in high doses English TCO 95 requirement states that batteries may not contain more than 25 ppm parts per million of cadmium The colourgenerating layers of display screens must not contain any cadmium Mercury Mercury is sometimes found in batteries relays switches and back light systems Mercury damages the nervous system and is toxic in high doses TCO 95 requirement states that batteries may not contain more than 25 ppm parts per million of mercury It also demands that no mercury is present in any of the electrical or electronics components concerned with the display unit except the back light system CFCs freons CFCs freons are sometimes used for washing printed circuit boards and in the manufacturing of expanded foam for packaging CFCs break down ozo
89. n is lowered with Down scaling to 1024 x 768 and indicated and OSD should indicate OUT of Range 7 5 9 3 User Control General Key Description EXIT CONTROL ADJUST NEXT RESET MUTE OO OO Exit Control Adjust Next Reset 9 3 1 Related ports of 1306 Turn off OSM menu Exit sub menu Move the green cursor and select control items sound short cut when no OSM menu is shown Change the value of each function Enter to submenu Proceed auto adjust Proceed reset Move the NEXT tag Reset the select item Open reset warning before reset Mute the speaker headphone Port Pin No Signal name Function Remarks MFB1 112 1 RESET RESET switch input The set value is returned Mute MUTE switch input to the initial value MFB5 107 1 EXIT EXIT switch input Withdraw from OSD MFB10 124 1 DOWN Switch input key MFB4 109 1 UP Switch input key MFB11 123 1 LEFT 4 switch input key 110 1 RIGHT 4 switch input gt key MFB2 111 1 NEXT NEXT switch input 9 3 2 Functions Control is effected for the push switches to be used when the user changes the parameters in order to modify the respective setting values Whether the switch has been pressed is identified with the switch input level that is turned L Each switch input port is pulled up at outside of MCU Each parameter is stored in the the contents
90. nd advance to the tag 2 AUTO OFFSET R OFFSET G OFFSET B OFFSET AUTO CONT MAX R CONT G CONT B CONT 5 Adjust the displav pattern to Grav Scale 0 to 100 in 16 gradations External Frame 6 Use the gt RIGHT or 4 LEFT keys and adjust the cursor to AUTO OFFSET Make adjustments by pressing the PLUS or MINUS keys 7 When adjustments are over and the original screen has been recovered confirm that all the 16 gradations of black to white are displayed 8 Use the RIGHT or LEFT keys and adjust the cursor to AUTO CONT 9 Press the EXIT key and withdraw from the SERVICE mode 4 6 3 6 3 Factory setting 1 Enter a signal input no prescribe 2 Assume the FACTORY mode in the procedures of Paragraph 2 2 3 and display the SERVICE menu 3 Press the NEXT key three times and advance to the tag 4 050 DESIGN 05 SELECT URL 4 Use the gt RIGHT or 1 URL Set by pressing the OSD DESIGN 0 OSM SELECT 0 URL 1 5 Press the EXIT key and withdraw from the SERVICE mode LEFT keys and adjust the cursor to OSD DESIGN OSM SELECT and PLUS or MINUS keys 47 INSPECTION TABLE OF CONTENS Page 1 Set Inspection 5 2 1 1 1 Application 5 2 1 2
91. nd improper contacts may occur when wires of the connector are led 4 Use a proper screwdriver If you use screwdriver that does not fit you may damage the screws CONTENTS Page No USER S MANUAL e TT Q 1 1 SERIAL NUMBER INFORMATION 2 1 DISASSEMBLY 3 1 ADJUSTMENT PROCEDURES 4 1 INSPECTION TT 5 1 TROUBLE SHOOTING T 6 1 CIRCUIT DESCRIPTION 7 1 REPLACEMENT PARTS LIST T 8 1 BLOCK DIAGRAM 9 1 SCHEMATIC DIAGRAMS 1 10 1 User s Manual MultiSync LCD1550ME Users Manual WARNING TO PREVENT FIRE OR SHOCK HAZARDS DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE ALSO DO NOT USE THIS UNIT S POLARIZED PLUG WITH AN English EXTENSION CORD RECEPTACLE OTHER OUTLETS UNLESS THE PRONGS CAN BE FULLY INSERTED REFRAIN FROM OPENING THE CABINET AS THERE ARE HIGH VOLTAGE COMPONENTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION REDUCE THE RISK ELECTRIC SHOCK DO REMOVE COVER CAUTION OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL This symbol warns user that uninsulated within the unit
92. ne and thereby damage the ozone layer in the stratosphere causing increased reception on Earth of ultraviolet light with consequent increased risks of skin cancer malignant melanoma The relevant TCO 95 requirement Neither CFCs nor HCFCs may be used during the manufacturing of the product or its packaging Bio accumulative is defined as substances which accumulate within living organisms Lead Cadmium and Mercury are heavy metals which are Bioaccumulative To obtain complete information on the environmental criteria document order from TCO Development Unit SE 114 94 Stockholm SWEDEN FAX Number 46 8 782 92 07 E mail Internet development 9 tco se You may also obtain current information on TCO 95 approved and labelled products by visiting their website at http www tco info com English 31 1 32 Serial Number Information Refer to the serial number information shown below EX SERIAL NUMBER LABEL Model Name LCD1550ME LCD1550ME BK SERIAL NO Manufactured Year CC Last digit Manufactured Month January to September 110 9 56006 Serial Number 5 digit November Y sequential number December 2 at production month 00001 99999 Factory Code LITE ON Taiwan factory LITE ON China factory Control Code A A ver for U S A B B ver for Europe Asia and Pacific C C ver for China 2 1 DISASSEMBLY Before you disasse
93. or and enter an input of Signal 1 Confirm that the LED is turned from amber to green If this LED is not lit in green at that time it is regarded as a defective LED 3 Prior to adjustments execute the factory reset procedure without fail The method of this action is described below a Display the SERVICE menu and adjust the cursor to the item of FACTORY RESET b Enter a signal 2 input of VGA 640x480 Solid all white pattern Press the PLUS or MINUS keys to execute the factory reset procedure 3 6 Manual adjustments 3 6 1 Input video signal VG 819 setting values Signal 1 Signal 2 VESA 1024x768 75Hz 640x480 DOT CLOCK MHz 178 75 25 18 TOTAL DOT 1312 800 DISP DOT 1024 640 SYNC PULSE DOT 96 96 BACK DOT 176 48 DOT 0 0 DOT JO 0 V NON NON TOTAL H 800 525 DISP H 768 480 SYNCPULSE H 3 2 BACK PORCH H 128 33 EQPfp H JO 0 EQPbp H 0 0 SERRATION H OFF OFF EDP LI OFF OFF H 0 H OUTPUT Display setting Gray scale External frame 16 gradations 0 100 4 5 3 6 2 VIDEO adjustments Use the signal source for which the analog output R G B has been adjusted to 0 7V 1 Enter a signal 1 input of SXGA 1024x768 75Hz 2 Turn off the display pattern completely and obtain an all black screen 3 Assume the FACTORY mode in the procedures of Paragraph 2 2 3 and display the SERVICE menu 4 Press the NEXT key once a
94. or the majority of electronics equipment to be recycled in a satisfactory way most of these potentially damaging substances sooner or later enter Nature There are also other characteristics of a computer such as energy consumption levels that are important from the viewpoints of both the work Internal and natural external environments Since all methods of conventional electricity generation have a negative effect on the environment acidic and climate influencing emissions radioactive waste etc it is vital to conserve energy Electronics equipment in offices consume an enormous amount of energy since they are often left running continuously What does labelling involve This product meets the requirements for the TCO 99 scheme which provides for international and environmental labelling of personal computers The labelling scheme was developed as a joint effort by the TCO The Swedish Confederation of Professional Employees Svenska Naturskyddsforeningen The Swedish Society for Nature Conservation and Statens Energimyndighet The Swedish National Energy Administration English 26 1 27 requirements cover wide range of issues environment ergonomics usability emission of electrical and magnetic fields energy consumption and electrical and fire safety English The environmental demands concern restrictions on the presence and use of heavy metals brominated and chlorinated flame retardants CFCs freons
95. properly Usethe OSM Image Adjust controls to increase or decrease the H Size e Check to make sure that a supported mode has been selected on the display card or system being used Please consult display card or system manual to change graphics mode Selected resolution is not displayed properly Use OSM Display Mode to enter Information menu and confirm that the appropriate resolution has been selected If not select corresponding option English 24 1 25 Sound Check to see if speaker cable is properly connected Check to see if mute is activated Check to see if volume in OSM is set at minimum English 25 1 26 English TCO 99 MultiSync LCD1550ME White Model L15XA231 BN Congratulations You have just purchased a TCO 99 approved and labeled product Your choice has provided you with a product developed for professional use Your purchase has also contributed to reducing the burden on the environment and also to the further development of environmentally adapted electronics products Why do we have environmentally labelled computers In many countries environmental labelling has become an established method for encouraging the adaptation of goods and services to the environment The main problem as far as computers and other electronics equipment are concerned is that environmentally harmful substances are used both in the products and during the manufacturing Since it has not been possible f
96. ram 7 9 10 2 Inverter basic function 7 9 7 1 1 Audio circuit Circuit diagrams PWB 1 1 1 2 Audio input The audio signal input received from the audio input terminal JK011 is applied to the amplifier 1001 of 4 L CH and 9 through the low pass filter consisting of R040 R041 R042 R043 C040 and C041 In this amplifier controls of Volume and mute are conducted The audio signal controlled at the pin 6 determines the attenuation of output of the amplifiers Since then the signal is output to the jack P003 Audio output The audio signal is output from the Audio output terminal P003 of the jack board to the internal speaker system 2 Power supply Circuit diagrams MAIN PWB 4 1 4 2 4 3 7 1 7 2 Line filter consists of C801 T801 C803 C804 It eliminates high frequency interference to meet requirement Rec amp Filter Bridge diode D801 converts AC source into pulsed DC This pulsed DC is smoothed and filtered by C805 R802 is an NTC negative thermal coefficient resistor used to reduce inrush current to be within safe range Power transformer T802 converts energy for square wave from power source C805 to secondary side to generate 12V and 5V Output The square wave from T802 is rectified by D809 D810 then filtered by
97. rcuit J J 7 2 1 1 Audio input q 7 2 1 2 Audio output J 7 2 2 Power supply Y 7 2 3 On screen Circuit 7 3 4 Video input circuit 7 3 5 Definition converter LSI peripheral circuit 7 3 6 System reset LED control circuit 7 4 6 1 System reset 7 4 6 2 LED control circuit 7 4 7 E PROM for PnP U 7 4 8 7 4 9 CPU circuit 7 4 9 1 Detection of POWER switch status 7 4 9 2 Display mode identification 7 4 9 3 User Control T J J Tm 7 6 9 4 Control of definition converter MCU 1306 7 6 9 5 bus control 7 7 9 6 Power sequence 7 7 9 7 Power OFF sequence s Tm q 7 8 10 Inverter oo ___ 7 9 10 1 Circuit Diag
98. re output on P307 pin 40 OK 1 1306 failure 2 Printed wire broke between 1306 and P307 pin 40 6 4 Check the data enable of positive polarity are output on P307 pin 42 NG Failure point 1 1306 failure 2 Printed wire broke between 1306 and P307 pin 37 Check the data signal output on P306 and P307 G B data pin NG Failure point OK 1 1306 failure 2 Printed wire broke between 1306 and P306 data line Failure point 1 The cable broke between P306 P307 and LCD module 2 LCD module failure 6 5 3 Checking the back light unit Is 15V supplied to P803 pin 3 4 to inverter PWB NG Failure point OK Inverter cable disconnection Check the INV EN signal of the rectangle input 1309 pin 5 at TTL high level NG Is a H level being output in the TTL level from 1302 pin 2 OK Or is EN signal of the rectangle being output Failure point Printed wire broke between 1302 pin 2 and 1309 pin 5 Check the PWM signal of the input from 1302 pin 1 is a BRI signal 2 x n Failure point 2 O OK 1 Printed wire broke between 1302 pin 1 and 1309 pin 3 2 1309 failure Failure point 1 Inverter cable disconnection 2 Inverter of LCD module failure 6 6 4 Abnormal screen Check the R G B video signal from computer input on D Sub R G B connector NG Failure point 1 and B video signal output from host computer Check computer 2 Video signal cabl
99. registered trademarks of Apple Computer Inc Microsoft and Windows are registered trademarks of the Microsoft Corporation NEC is a registered trademark of NEC Corporation All other trademarks or registered trademarks are property of their respective owners English 1 Declaration Declaration of the Manufacturer We hereby certify that the colour monitor MultiSync LCD1550ME L15XA231 BN MultiSync LCD1550ME L15XA231 BNBK is in compliance with Council Directive 73 23 EEC EN 60950 Council Directive 89 336 EEC EN 55022 EN 61000 3 2 EN 61000 3 3 EN 55024 and marked with NEC Mitsubishi Electric Visual Systems Corp MS Shibaura Bldg 13 23 Shibaura 4 chome Minato Ku Tokyo 108 0023 Japan English 2 1 3 the Customer to use U S A Canada English Canadian Department of Communications Compliance Statement DOC This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouiller du Canada C UL Bears the C UL Mark and is in compliance with Canadian Safety Regulations according to CSA C22 2 950 Ce produit porte la marque C UL et se conforme aux r glements de s rele Canadiens selon CAN CSA C22 2 No 950 FCC Information 1 Use the attached specified cables with the MultiSync LCD1550ME colour monitor so as not
100. relation to the background AUTO ADJUST Adjusts the image displayed for non standard video inputs English Auto Adjust Automatically adjusts the Image Position the H Size and Fine setting Position Controls LEFT RIGHT Controls Horizontal Image Position within the display area of the LCD DOWN UP Controls Vertical Image Position within the display area of the LCD H SIZE Adjusts the horizontal size by increasing or decreasing this setting FINE Improves focus clarity and image stability by increasing or decreasing this setting Colour Control Systems Five colour presets select the desired colour setting Each colour setting is adjusted at the factory R G B Increases or decreases Red Green or Blue colour depending upon which is selected The change in colour will appear on screen and the direction increase or decrease will be shown by the bars English 13 Tools OSM POSITION You can choose where you would like the OSM control image to appear on your screen Selecting OSM Location allows you to manually adjust the position of the OSM control menu lett right down or up OSMTURN OFF The OSM control menu will stay on as long as it is use In the OSM Turn Off submenu you can select how long the monitor waits after the last touch of a button to shut off the OSM control menu The preset choices are 10 20 30 45 60 and 120 seconds OSM LOCK OUT This control completely lo
101. resolution required FullScan Capability Allows you to use the entire screen area in most resolutions significantly expanding image size English 21 1 22 Standard Mounting Interface Allows users to connect their MultiSync monitor to any VESA standard 75 mm pitch third party mounting arm or bracket Allows for the monitor to be mounted on a wall or an arm using any third party compliant device English 22 1 23 Troubleshooting English No picture The signal cable should be completely connected to the display card computer The display card should be completely seated in its slot Check the Vacation Switch should be in the ON Position Front power Switch and computer power switch should be in the ON position Check to make sure that a supported mode has been selected on the display card or system being used Please consult display card or system manual to change graphics mode Check the monitor and your display card with respect to compatibility and recommended settings Check the signal cable connector for bent or pushed in pins Power Button does not respond Unplug the power cord of the monitor from the AC outlet to turn off and reset the monitor Check the Vacation Switch on the left hand side of the monitor Image persistence Image persistence is when a ghost of an image remains on the screen even after the monitor has been turned off Unlike CRT monitors LCD monitors image persi
102. rmation screen is displayed Press the NEXT key to make resetting The BRIGHTNESS bar is returned fully to the right 6 Use the and keys to obtain CONTRAST displayed in the highlight mode UTI x AUTO CONTRAST Contrast adjust menu 7 Confirm that the green bar is changed and the screen contrast is also changed when the and keys are operated 5 13 8 Get AUTO ADJUST highlighted with the and keys 655 6 o CONTRAST PRESS e R TO ADJUST Contrast Auto Adjust menu 9 Press the and keys and wait until the OSM display is restored to the former display At that time confirm that the screen is normally displayed 1 5 2 Inspection on automatic adjustment function 1 Enter Signal 17 through INPUT 1 dot loss External frame screen 2 Display the OSM menu Use the NEXT key to move as far as to the POSITION tag e E3 tll LEFT RIGHT DOWN UP Horizontal Position adjust menu Vertical Position adjust menu 666 e 666 e dl Ex H SIZE FINE H SIZE adjust menu FINE adjust menu 3 Move the cursor to the HORIZONTAL POSITION using the and keys Operate the keys to shift the POSITION to an extent so that the caused difference can be visually perceived 4 In the same manner shift the VERTICAL POSITION H SIZE and FINE from their initial levels 5 Use
103. stence is not permanent To alleviate image persistence turn the monitor off for as long as an image was displayed If an image was on the monitor for one hour and a ghost of that image remains the monitor should be turned off for one hour to erase the image NOTE As with all personal display devices NEC Mitsubishi Electronic Displays recommends using a screen saver at regular intervals whenever the screen is idle English 23 1 24 Image is unstable unfocused or swimming is apparent Signal cable should be completely attached to the computer Use the OSM Image Adjust controls to focus and adjust display by increasing or decreasing the fine total When the display mode is changed the OSM Image Adjust settings may need to be readjusted Check the monitor and your display card with respect to compatibility and recommended signal timings f your text is garbled change the video mode to non interlace and use 60 Hz refresh rate Message OUT OF RANGE is displayed screen is either blank or shows rough images only e OSM warning OUT OF RANGE is displayed on a blank screen Signal frequency is out of range Choose one of the supported modes LED on monitor is not lit no green or amber colour can be seen Power Switch should be in the ON position and power cord should be connected e Make certain the computer is not in a power saving mode touch the keyboard or mouse Display image is not sized
104. t AW 2 51 f b l l 47 PINS 2 95 5 CVDD0 O 1 2 L 030 DAN217 II C339 0 tuF ADC VDD2 VDD2 5 GND ADC VDD1 FB330 FB306 KADG_VDD1 5 Gio Raso SBK160808T 300YS ADC_VDDA KADC VDDA 5 BLUE 4 4 2 1 10nF 450 m ya a R340 1306C 5pF 2 75 ar lt ADC_RVDDA BLUE C342 R341 CVDD0 O amp RVDDA 28 ADC_RVDDA 5 8 8 RED REDS 10nF 450 T l A 4 RONDA 88 8 ADC_RGNDA 33 70 ADC RGNDA 5 peaga 9343 oduF FB307 ADC GVDDA ADG GVDDA l 22 Ne 6V00 5 R342 SBK160808T 300YS AGND SBK160808T soa GREEN 21 GREEN 1 2 3 GREEN 20 pc GGNUA 1 nF 150 C345 ADC GGNDA KADC_GGNDA 5 ae ADC BVDDA re ADC BVDDA 88 _ 5 GREEN C346 R344 PF 1 2 75 95 8 9 LUE l 86 DC EGNDA 10nF D312 DENA 6 G ADC BGNDA 55 BGNDA 5 150 88 8 8 83 AGND FB332 O97 Ortu FB308 lt lt lt RESERVED m R345 SB160808T 300YS AGND sBK160808T 300YS gmZAN1 C 2 gt 1 as g 1 10nF 450 p 1 ADC_GNDA KADC_GNDA 5 R346 ADC_GND1 RED C350 pel 6M600C 2 _ 1 4 5 7 0313 DAN217 10nF ADC_GND2 KADC GND2 45 150 4 C351 0 1uF aa AGND AGND 10 2 SCHEMATIC DIAGRAM Bridge Panel Interface FB311 FB312 FCM1608C 301T01 1608 301 01 gt gt
105. the NEXT key to move as far as to the AUTO ADJUST adjusting tag Gieco AUTO ADJUST E till PRESS oOR TO ADJUST Auto Adjust menu 6 Execute automatic adjustments by the use of the key Confirm that the screen POSITION SIZE PHASE is normally adjusted 5 14 1 5 3 Inspection input signal identification Purpose of inspection Confirming that a normal display is obtainable for each signal input Unless otherwise specified the display pattern is as shown in the initial screen conforming to 1 2 8 Inspection mode setting Inspection of signal input 1 According to the table below make setting of the input connector and the signal and enter a signal input 1 SEPARMET 9 SEPARAE 6 H SEPARATE SEPARATE 8 13 SEPARATE 9 7 SEPARATE SEPARATE SEPARATE SEPARATE 2 When screen is displayed visually check whether the display is free from abnormality Freedom from any extreme displacement in position size and phase flickering in the screen and extreme color deterioration 3 Check the OSM menu for the signals that have signal numbers underlined Display the OSM information screen the rightmost tag Get the DISPLAY MODE highlighted with the f LEFT or gt RIGHT keys Then display the DISPLAY MODE screen with the PLUS MINUS key Confirm that the displayed definition coincides with the definition of the input signal Inspe
106. the system clock frequency is 20MHz The withstand voltage level for the input signal voltage is 3 3V and 5V 7 3 6 System reset LED control circuit Circuit diagram MAIN PWB 6 1 System reset System reset is performed by detecting the rising and falling of the 5V source voltage at 1301 6 2 LED control circuit Green amber is lit with the control signal of the LED GREEN and LED AMBER signal pin 32 33 from 1302 Circuit diagram MAIN PWB 7 E2PROM for PnP Circuit diagram MAIN PWB Data transfer between 1304 and host There are two forms of communications protocol In both display capabilities are retrieved by the system software during the boot up and configuration time For the PC platform this software layer is defined in the VESA BIOS Extension Display Data Channel DDC2 standard 8 E PROM Circuit diagram MAIN PWB Data transfer between 1304 24LC32 and CPU 1302 is effected through the bus SCL pin 14 and SDA 13 of 1302 The data to be transferred to each device are stored in 1304 1303 control data OSD related setting data Other control data for service menu 9 CPU circuit Circuit diagram MAIN PWB 1302 MTV312MV64 functions as the CPU The source voltage for the device is 5 0V and the system clock frequency is 20 2 9 1 Detection of POWER switch status The CPU identifies the ON status of the two power supplies The identification is made when the power supply is turned off
107. ts onto the monitor and do not use the monitor outdoors The inside of the flourescent tube located within the LCD monitor contains mercury Please follow the bylaws or rules of your municipality to dispose of the tube properly Immediately unplug your monitor from the wall outlet and refer servicing to qualified service personnel under the following conditions When the power supply cord or plug is damaged e If liquid has been spilled or objects have fallen into the monitor If the monitor has been exposed to rain or water Ifthe monitor has been dropped or the cabinet damaged fthe monitor does not operate normally by following operating instructions Do not bend power cord Do not use monitor in high temperatured humid dusty or oily areas Do not cover vent on monitor f monitor is broken do not come in contact with the liquid crystal If glass is broken Handle with care English 16 CAUTION e Allow adequate ventilation around the monitor so that heat can properly dissipate Do not block ventilated openings or place the monitor near a radiator or other heat sources Do not put anything on top of monitor The power cable connector is the primary means of detaching the system from the power supply The monitor should be installed close to a power outlet which is easily accessible Handle with care when transporting Save packaging for transporting CORRECT PLACEMENT AND ADJUSTMENT
108. ure point Printed wire broke between 1310 pin 2 and 1306 power supply pin 6 15 11 Checking the operation of CPU Is there 5 0V supply 1302 pin 8 NG Failure point OK Printed wire broke between output of FB319 and 1302 power supply pin Is 20MHz clock input to 1302 pin 11 and 12 at level NG Failure point 301 failure gt Check the input of 5V H pulse from 1303 4 same as 1302 7 14 msec Typ NG Failure point Printed wire broke between 1303 pin 4 and 1302 pin 7 1302 failure gt 6 16 12 Checking the audio circuit 15 a cable with the host PC connected NG Failure point OK Audio cable disconnection Aren t the setups of the host PC a minimum and off OK The setup of the host PC is changed Is correct output waveform being inputted from JK011 2 3 of the host PC NG Failure point OK Audio cable disconnection Is the waveform which is the same as JK011 being inputted to 1001 pin 4 9 Printed wire broke between JK011 2 3 and 1001 4 9 040 R041 open R042 043 short C040 C041 open Is output waveform being outputted in 1001 pin 14 17 Is 15V supplied to 1001 pin 15 16 NG Failure point Proceed section 9 1 No power on 1 2 1 Speaker cable disconnection OK 2 Speaker failure Is mute STD BY low level at pin 11 pin 12 N Proceed section 11 Checking the operation of CPU
109. use of the 4 LEFT or P RIGHT keys and press the PLUS MINUS keys OOOOOHOOM OOOOOHOOM ZAN1 REY CPU MTV312MV64 CPU CODE CPU ER LCD1550 MM100 FACTORY PRESET Service menu 3 When the OSM is displayed again the resetting process has been finished Press the EXIT key to withdraw from the service mode Note 1 After the completion of this process confirm without fail that the present condition is surely after the withdrawal from the service mode 1 7 Safety test e Destination All over the world e Applicable standards UL1950 C UL EN60950 e Unit class Class units the units protected against electric shocks by protective earthing or those equipped with 3 core power cords e Ratings AC100 120 220 240V 50 60 2 0 7 0 35A 1 7 1 Input current measurements Under the measuring conditions specified below an input current shall be measured while the 50Hz input voltage is maintained at 220V AC 0 to 5V The input currents measured shall be confirm so they satisfy the judgment standard The rear rating plates are the same as those for North America and Europe Therefore measurements should also be based on this setting 1 Measuring conditions e Condition of the set ON mode e Measuring conditions The inspection signal is set at 17 and white is displayed throughout the screen At that time the brightness and contrast shall be kept under the brightest condition
110. video signal doesn t have proper resolution the Resolution Notifier window will open This function can be disabled in the TOOL menu OUT OF RANGE This function gives a recommendation of the optimized resolution and refresh rate After the power is turned on or there is a change of input signal or the video signal doesn t have proper timing the Out Of Range menu will appear CHECK CABLE This function will advise you to check all Video Inputs on the monitor and computer to make sure they are properly connected English 15 English Recommended Use Safety Precautions and Maintenance FOR OPTIMUM PERFORMANCE PLEASE NOTE THE FOLLOWING WHEN SETTING UP AND USING THE MULTISYNC LCD COLOUR MONITOR DO NOT OPEN THE MONITOR There are no user serviceable parts inside and opening or removing covers may expose you to dangerous shock hazards or other risks Refer all servicing to qualified service personnel Do not spill any liquids into the cabinet or use your monitor near water Do not insert objects of any kind into the cabinet slots as they may touch dangerous voltage points which can be harmful or fatal or may cause electric shock fire or equipment failure Do not place any heavy objects on the power cord Damage to the cord may cause shock or fire Do not place this product on a sloping or unstable cart stand or table as the monitor may fall causing serious damage to the monitor Do not place any objec

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