Orion TVDVD092 9 in. TV/DVD Combo - S:\Orion\DTV2784\DTV278
Contents
1. Regulation Safety Radiation X Radiation Temperature Operation 45 C 440 C Storage 20 C 60 C Operating Humidity Less than 80 RH G 7 On Screen Menu Yes Display Menu Type Icon Menut Picture Yes Mode Picture preference No Contrast Yes Brightness Yes Color Yes Tint Yes Sharpness Yes Color Temperature No Reset Yes Audio Yes MTS Yes Bass No Treble No Balance No BBE No Stable Sound No Speakers On Off No Audio Language Yes Digital Output PCM Dolby Digital Yes Surround No Reset Yes Setup Yes Language Yes Clock Set Yes TV CABLE Yes Auto CH Memory Yes Add Delete Yes Closed Caption Yes CC Advanced Size Type Edge Yes Color Background Color Signal Meter Yes Option Yes On Off Timer Yes A3 1 GENERAL SPECIFICATIONS Favorite CH No CH Label Yes Video Label No Locks Yes Password Yes V Chip Yes Video Lock Yes CH Lock Yes Game Timer No Front Panel Lock Yes Control Level Yes Volume Yes Contrast Yes Brightness Yes Color Yes Tint Yes Sharpness Yes Bass No Treble No Balance No Signal Meter Yes Stereo SAP Mono Yes Video Yes Component Yes Channel TV Cable Yes CH Label Yes Video Label No Clock Yes Game Timer No On Off Ti2. e PED oupa osoo s L9 aes 05 o i 36 Pm fore Communication of Digital Module PU I KAEA oe EJE Not used L output C MOS OPEN Reset output of Digital Module C MOS OPEN O 1 47 P47 CS3 SD Detect Tuner SD analog C MOS OPEN CLKO 38 P60 CTSO RTSO PRTO 40 P56 ALE DTV RESET F 1 DESCRIPTION F 2 OEC7144A 101 48 P46 CS2 O Not used C MOS OPEN 51 1 _ JAUDIOMUTE 1 jVoumeMUTEoupi CMOS OPEN MDEOMUTE 1 image MUTE output CMOS 84 po4D4 7 STANDBYL 0 0 SUBpowersupply control terminal C MOS 95 vHoLD2 1 jCondmserofsice J 98 o connects it with It connects it with VSS VSS i 100 CVin1 MAIN Video signal input DIODE RD47FBD 3 155133 77 AU02A EIC DSS 272M SO0B ERDO07 15L50 FE201 6L49 MTZJ10B EIC MTZJ15B EIC MTZJ18B EIC MTZJ2 2B EIC MTZJ3 3B EIC MTZJ3 9B EIC MTZJ33B EIC MTZJ5 6B EIC MTZJ6 2B EIC MTZJ8 2B EIC MTZJ9 1B EIC IC KA 1 5 220 5 76327 LA7847 E PS2561AL1 1 V W Q C 25C3841 T1B Tes 2SD2499 LBOEC1 KRA102SRTK KRC102SRTK KRC103SRTK KRC104SRTK 15045 Y RTK KTC3875S Y KTC4075E Y RTK P SEMICONDUCTOR BASE CONNECTIONS D 2
3. C C L ADR 16 SS 16 LO DAT 5 gt S N 2 6V 3 11 WE lt u7 2408 16Mbit NOR FLASH 16 lt m15 16 ADR SST39VF1681 70 4C EKE is DAT 1 _ RESET 3 3V 2401 SD DTV ASIC idi 201 CLK 20 201 lt j4 ZR39640BGCG B1 Bi HE RESET 57 15 DATA m 56 IS 54 TS FRAME Mb 2402 8VSB QAM BTSC DEMOD e3 lt WS L15 T4 R6 R2 T3 J17 H17 U14 Nt L3 U17 N17 e rs ROAD allen MEUS ANDR ee E T 5 t E er H 5 I lh zs gt e 5 8758 go EE 3 3V 2 3 1 4 94 93 11 97 18 16 02501 AUDIO DAC g amp e E x lt 55 8 8 8 dz CS4345 CZZ T s 9 10 7 e E ir 2 lt L e x s EE r ala lala 8815159 5190 amp 66 7566 dT 2 SE SSASSRRARR ARAN gt H 4
4. G OUT 15 GREEN OUT He 1 0801 0804 T CRT 1 a V801 MEE UL vourc hour Ger p 401 LA7847 E i S 7 d 6 a 2h Q402 2405 9 J 2 09 DY H OUT 23 H DRIVE H OUT X FBP IN 6 MICON MEMORY IC IC101 7144 199 AT24C128N 10SU 1 8 OSD_R 57 lt lt lt 32 OSD Eee 55 2 4 3 OSD 56 4 33 050 6 EEPROM P NBN 57224 OSD_B 5 1 9 34 OSD SDA OS101 OSD BLK1 54 21 BLANKI 19 OSD 58 22 REMOCON 18 POWER gg 3 579545 2 gt lt 1 SMH VOL DOWN XTAL 3 58 99 62 HD X OUT 4 ie Ei lt n 4 98 CH DOWN dE N V PULE OUT 60 KEYB 92 Ps I VOL UP INV FBP OUT 59 CH UP EEP DATA CP102 SCL1 50 S DA1 5 1 TUNER CVBS 42 LOS CP4203B 13 20 19 10 9 TUI2C CLK 26 TU DATA 6 BS L 2 S x gt 22 4 d O SPEAKER IF OUT an 4 5 1001 IF OUT2 TX lt R SIGNAL 4 SIGNAL lt lt SIGNAL H 3 X2402 25 000MHz i N 80 SD DIGITAL MODULE BLOCK DIAGRAM 2401 24 576MHz ASIC 1 8V lt lt cc a C
5. 1 1 MECHANICAL REPLACEMENT PARTS 115 2 4021 1 1 ACCESSORY 15 2 44 244 1 1 ELECTRICAL REPLACEMENT PARTS LIST 2 M2 1 M2 7 A2 1 GENERAL SPECIFICATIONS CRT Size Visual Size 27 inch 676 0 CRT Type Normal Magnetic Field BV BH 0 45G 0 18G Color System NTSC Speaker 2Speaker Position Front Size 2 0x 3 5 Inch Impedance 8 ohm Sound Output MAX 10 1 0 1 0 W W NTSC3 58 4 43 PAL60Hz Broadcasting System Analog No US System M Digital ATSC 8VSB QAM Tuner and Receive CH System 1 Tuner Destination USA W CATV CH Coverage 2 69 4A A 5 A 1 A J W W 1 W 84 Frequency Intermediate Digital 44 00 2 Analog Picture FP Sound FS FP FS 45 75MHz 41 25MHz 4 50MHz Preset CH Stereo Dual Sound Yes Tuner Sound Muting Power Source Yes 120V AC 60Hz Power Consumption Stand by at AC Per Year 110 W atAC120V 60 Hz 3 W atAC120V 60 Hz kWh Year Protector Power Fuse Yes Safety Circuit Yes IC Protector Micro Fuse
6. 1 4002 1 4005 RB085T 40 ENE271D 10A 1N4937 PAN 21DQ09N TA2B1 RM11C EIC SB140 EIC 90 HY5DU561622DTP D43 CS4345 CZZ AT24C128N 10SU 1 8 PST3229NR NJM2750M TE1 TC7W66FU TE12L F ceo M BA7810T V5 OEC7144A AN17822A TRANSISTOR 5 lt gt 1 B 1 5 C B ME ZR39640BGCG B1 BAOOBCOWFP E2 2SA1371 D E AE 25 2909 5 KTA1266 AT Y GR KTA1271_Y AT KTC3199 Y AT KTC3203 Y AT KTC3209 Y AT KTC3227 Y AT cS BA KTC4217 O Y G 1 SST39VF1681 70 4C EKE KTC3198 AT Y GR VIDEO1 LINE1 REAR M AUDIO IN R FRONT VIDEO YUV IN PER SEEN J704 3 MICON_DATA CP101 HEC FRONT AUDIO L J706 FRONT AUDIO R J707 AV2 AUDIO IN COX OUT AUDIO YUV R 1 BLOCK DIAGRAM CHROMA IC 601 LA76327M MPB E 3 COMB Y 5 COMB C 1 VIDEO INI 1 VIDEO IN2 30 29 28 NS Y IN VIN UIN N VO N EN NE N 44 S VIDEO Y 40 S VIDEO SYSTEM RESET 102 PST3229NR OUT aa D101 MON c E Me 97 cuo p CNVss SW SOUND AMP 701 NJM2750M TE1 1001 AN17822A aes 1 i 15 6 i E 2 x 10 13 S 8 Tuner Audio L 2 8 Tuner Audio R J801 0802 0806 B OUT 1 6 BLUE OUT OUT 11 Sd Y Q803 Q805 Wr 77 SS
7. Is the waveform at pin Yes 6 of CP401 normal Check DY No Is the waveform at pin Yes Check the circuit from pin 2 of 2 of IC401 normal IC401 to CP401 No Is the waveform at pin 5 Yes Is the voltage at pin 6 Yes of IC401 normal 2 of IC401 25V 2 Check 10401 and check associated circuit No Check the 25V line Is the waveform at pin Yes 19 of IC601 normal Check the circuit from pin 19 of IC601 to pin 5 of IC401 NO Check the associated circuit of IC601 4 TROUBLESHOOTING GUIDE Is sound setting appropriate 7 Yes Is the waveform at pins 2 4 Yes 10 and pin 12 1001 No Is the AUDIO signal at pins Yes 11 and 15 of IC701 NO Is the AUDIO signal input lt at pins 1 3 5 9 and 13 of IC701 Check J701 J706 J707 J708 and at pins 19 20 of CP2403 and associated circuit E 5 Check speaker Check IC701 and associated circuit Check the pins 2 4 701 and associated circuit DESCRIPTION OEC7144A 101 1 VHOLD V HOLD_ MAIN Condenser of slicer ope pemn f o o s ewsoamos so f pomsmoorome onos son o 1 NCBUS OATAVO afons ____ 1 heme VSS When youwie Fanm 11 P86 XCOUT DIGBO Not used 32KHz OUT C MOS OPEN RESET input 12 RESET RESET L gt when Flash is written EN m 13 XOUT Main Oscillation lt supply pm
8. Set the VOLUME to minimum 3 Press both VOL DOWN button on the set and Channel button 8 on the remote control for more than 2 seconds 4 After the confirmation of each check sum power on total hours micon version and Digital TV MICON Firmware version turn off the power ADDRESS DATA mm CRT ON 0015 POWER ON total hours MICON Version OEC7144A 039 16 x 16 x 16 x thousands digit value Digital TV MICON Firmware DTV d a5Z253 16 x 16 x hundreds digit value Initial setting data check sum INIT 0098 16 x tens digit value Rom correction data check sum ROM 4036 ones digit value AUDIO External terminal Volume VOLUME 0000 FIG 1 C 1 WHEN REPLACING EEPROM MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC the following steps should be taken to ensure correct data settings while making reference to TABLE 1 22 80 30 36 03 00 00 00 00 00 73 00 oo 00 N 00 00 00 00 00 00 00 00 00 00 00 00 00 80 06 04 20 02 01 00 00 00 00 00 80 00 00 oc 00 45 00 00 00 00 o0 c2 o4 00 00 00 00 00 00 00 00 ES EB E 00 00 00 00 00 00 00 00 00 00 00 00 Table 1 CONFIRMATION OF INITIAL DATA 1 Enter DATA SET mode by setting VOLUME to minimum Press bo
9. BASE CONNECTIONS G 1 BLOCK DIAGRAM e ip e ce H 1 H 2 SD DIGITAL NMODULDE 3 4 PRINTED CIRCUIT BOARDS ITM 1 1 4 l 5 SCHEMATIC DIAGRAMS ene J 1 J 2 amp up e J 3 J 4 DEFLECTION M J 5 J 6 Pr J 7 J 8 J 9 J 10 J 11 J 12 e J 13 J 14 FETE R 15 16 J 17 J 18 b ______________ E 4 19 0 20 ________ _ ________ __ _________________ 21 22 PRONT ENE eee J 23 J 24 Re _____ _ ___ ______ _ _ _____ _ ests J 25 J 26 WAVEFORM Pr rc ee Kelly Kez MECHANICAL EXPLODED VIEW oett tree ee res ee
10. Pb free A3 4 Phase3 Phase3A DISASSEMBLY INSTRUCTIONS 1 REMOVAL OF ANODE CAP 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap Read the following NOTED items before starting work After turning the power off there might still be a potential voltage that is very dangerous When removing the Anode Cap make sure to discharge the Anode Cap s INSTALLATION potential voltage Do not use pliers to loosen or tighten the Anode Cap terminal this may cause the spring to be damaged REMOVAL 1 Follow the steps as follows to discharge the Anode Cap Location of Anode Cap Refer to Fig 1 1 Connect one end of an Alligator Clip to the metal part of a flat blade screwdriver and the other end to ground While holding the plastic part of the insulated screwdriver touch the support of the Anode with the tip of the screwdriver A cracking noise will be heard as the voltage is discharged 1 Clean the spot where the cap was located with a small amount of alcohol Refer to Fig 1 3 GND on the CRT 2 4 Confirm that there is no dirt dust etc at the spot where the was located 2 Arrange the wire of the Anode Cap and make sure the wire 15 not twisted 3 Turn over the Rubber Cap Refer to Fig 1 4 Alligator Clip GND on the CRT 2 Flip up the sides of the Rubber Cap in the direction of the 4 Insert one
11. end of the Anode Support into the anode button arrow and remove one side of the support then the other as shown in Fig 1 5 Refer to Fig 1 2 Rubber Cap CRT RM CRT Support Support 5 Confirm that the Support is securely connected 6 Put on the Rubber Cap without moving any parts B1 1 DISASSEMBLY INSTRUCTIONS 2 REMOVAL AND INSTALLATION OF 3 When IC starts moving back and forth easily after FLAT PACKAGE IC desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering machine Refer to Fig 2 3 NOTE Some ICs on the PCB are affixed with glue so be careful not to break or damage the foil of each IC leads or solder lands under the IC when removing it REMOVAL 1 Put Masking Tape cotton tape around the Flat Package IC to protect other parts from any damage Refer to Fig 2 1 NOTE Masking is carried out on all the parts located within 10 mm distance from IC leads desoldering machine Masking Tape Cotton Tape Tweezers 2 Heat the IC leads using a blower type IC desoldering machine Refer to Fig 2 2 4 Peel off the Masking Tape NOTE Do not rotate or move the IC back and forth until IC 5 Absorb the solder left on the pattern using the Braided can move back and forth easily after desoldering the Shield Wire Refer to Fig 2 4 leads completely NOTE Do not move the Braided Shield Wire in the v
12. not to heat too long Pb free solder will tend to splash when heated too high about 1100 F 600 C All products with the printed circuit board with printing must be serviced with lead free solder When soldering or unsoldering completely remove all of the solder from the pins or solder area and be sure to heat the soldering points with the lead free solder until it melts sufficiently Recommendations Recommended lead free solder composition is Sn 3 0Ag 0 5Cu TABLE OF CONTENTS IMPORTANT SERVICE SAFETY INFORMATION 0 00 2 A1 1 ABOUT LEAD FREE SOLDER Hu Vds sve EHE A1 2 TABLE OF m nsec ce sw see naw vaca eee A2 1 GENERAL SPECIFICATIONS ____________ __ _________ _____ A3 1 A3 4 DISASSEMBLY INSTRUCTIONS iM uds me ANQOE e ess esse cs 1 1 2 REMOVAL AND INSTALLATION OF FLAT PACKAGE IC 2 B2 1 B2 2 SERVICE MODE ee C 1 WHEN REPLACING EEPROM MEMORY IC C 1 C 2 RE WRITE FOR DIGITAL SOFT FIRMWARE 0 0 C 3 a D 1 D 6 TROUBLESHOOTING EEEa a EAN eee eee Ea a 3 428 ene POLI SEMICONDUCTOR
13. the color bar generator from the green raster pattern to the crosshatch pattern 6 Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets 7 Combine red blue magenta and green by adjusting the pair of 6 pole magnets 8 Adjust the crosshatch pattern to change to white by repeating steps 6 and 7 3 2 PURITY NOTE Adjust after performing adjustments in section 3 1 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide 3 Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen 15 green 4 Confirm red and blue color 5 Adjust the slant of the deflection yoke while watching the screen then tighten the fixing screw N DEFLECTION YOKE DEFLECTION YOKE SCREW MAGNET SCREW PURITY MAGNETS 6 POLE MAGNETS 4 POLE MAGNETS Fig 3 1 D 5 3 3 STATIC CONVERGENCE NOTE Adjust after performing adjustments in section 3 2 1 Receive the crosshatch pattern from the color bar generator 2 Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets 3 Combine red blue magenta and green by adjusting the pair of 6 pole magnets 3 4 DYNAMIC CONVERGENCE NOTE Adjust after performing adju
14. 7 on the remote control to select BRI CENT Press the CH UP DOWN button on the remote control until the white 2 7 is starting to be visible Receive the monoscope pattern Audio Video Input Press the TV VIDEO button on the remote control to set to the AV mode Then perform the above adjustments 25b Receive the monoscope pattern Press the TV VIDEO button on the remote control to set to the CS mode Then perform the above adjustments 25 2 6 CONTRAST MAX Receive an over 70dB color bar pattern RF Input Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 21 on the remote control to select CONT MAX Press the CH UP DOWN button on the remote control until the contrast step No becomes 100 Receive a broadcast and check if the picture is normal Receive the color bar pattern Audio Video Input Press the TV VIDEO button on the remote control to set to the AV mode Then perform the above adjustments 2 5 Receive a broadcast and check if the picture is normal Receive the monoscope pattern Press the TV VIDEO button on the remote control to set to the CS mode Then perform the above adjustments 2 5 2 7 TINT Receive the color bar pattern RF Input Using the remote control set the brightness and contrast to normal position Connect the oscilloscope t
15. 9 APJG199000 Flash UP Date Soft Disc Up Date of the Firmware 10176 APJG176093 e Up Date of the Firmware 1 Confirm that the AC cord is plugged out 2 Using the Serial Communication Change JIG JG198 connect the set to personal computer Refer to Fig 1 NOTE It is possible to write only with the personal computer of WINDOWS 3 Using the Flash UP Date Soft Disc JG199 and USA SD DTV ROM DISC JG176 please Re write the DIGITAL SOFT FIRMWARE The operating manual for Re writing is included in Flash UP Date Soft Disc JG199 C 3 ELECTRICAL ADJUSTMENTS 1 ADJUSTMENT PROCEDURE Read and perform these adjustments when repairing the circuits or replacing electrical parts or PCB assemblies CAUTION Use an isolation transformer when performing any service on this chassis e Before removing the anode cap discharge electricity because it contains high voltage e When removing a PCB or related component after unfastening or changing a wire be sure to put the wire back in its original position When you exchange IC and Transistor with a heat sink apply silicon grease on the contact section of the heat sink Before applying new silicon grease YG6260M remove all the old silicon grease Old grease may cause damages to the IC and Transistor Prepare the following measurement tools for electrical adjustments 1 Oscilloscope 2 Digital Voltmeter 3 Multi sound Generator 4 Patt
16. AL ADJUSTMENTS 2 18 Confirmation of Fixed Value Step No Please check if the fixed values of each adjustment item is set correctly referring below NO FUNCTION RF CS DIGITAL 1 OSDC 02 02 02 02 4 06 06 06 06 5 HBLKR 02 02 02 02 9 VS CORR 11 11 11 11 10 00 00 00 00 18 120 120 120 120 19 BRI MIN 30 30 30 30 20 22 50 50 55 22 CONT MIN 20 20 20 20 24 COL MAX 120 120 120 120 25 COL MIN 20 20 20 20 27 SHARP CENT 35 25 25 25 28 5 50 40 40 40 29 SHARP MIN 20 10 10 10 30 SUB BIAS 00 00 00 00 36 TEST STEREO 00 00 00 00 37 TEST AUDIO 00 00 00 00 38 HFREQ 07 07 07 07 D 4 ELECTRICAL ADJUSTMENTS 3 PURITY AND CONVERGENCE ADJUSTMENTS NOTE 1 Turn the unit on and let it warm up for at least 30 minutes before performing the following adjustments 2 Place the CRT surface facing east or west to reduce the terrestrial magnetism 3 Turn ON the unit and demagnetize with Degauss Coil 3 1 STATIC CONVERGENCE ROUGH ADJUSTMENT 1 Tighten the screw for the magnet Refer to the adjusted CRT for the position Refer to Fig 3 1 If the deflection yoke and magnet are in one body untighten the screw for the body 2 Receive the green raster pattern from the color bar generator 3 Slide the deflection yoke until it touches the funnel side of the CRT 4 Adjust center of screen to green with red and blue on the sides using the pair of purity magnets 5 Switch
17. Down AC DC No TV CATV Selector No Degauss No Main Power SW No Indicator Power Stand by On Timer No No No Terminals Front Video Input VIDEO2 RCA Audio Input VIDEO2 RCA x 2 L MONO R Other Terminal No Video Input Rear1 VIDEO1 RCA No Audio Input Rear1 VIDEO1 RCA x 2 L MONO R Video Input Rear2 Audio Input Rear2 No Video Output No Audio Output No S Input Yes Component Input2 w Analog Audio L R RCA x 5 Digital Audio Out Coaxial x 1 Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Outlet Net Approx Gross Approx Master Carton No Set Size Approx W x Dx H mm 740 x 489 5 x 571 5 35kg 77 2 lbs 38Kg 83 8 Ibs Content Material Dimensions WxDxH mm Description of Origin Gift Box Material Double White W Photo Label Dimensions WxDxH mm 850 x 575 665 Description of Origin Yes Drop Test Natural Dropping At 1 Corner 3 Edges 6 Surfaces Height cm 31 Container Stuffing Cabinet Cabinet Front 192 Sets 40 container PS 940 DECABROM Cabinet Rear PS 94 0 DECABROM PCB Non Halogen Demand No Eyelet Demand Environmental standard requirement by buyer No Green procurement of ORION
18. ORIGINAL VERSION A SERVICE MANUAL COLOR TELEVISION RECEIVER DIV2784 0050 GITAL All the specifications and features are subject to change without notice 5 CODE M3W4062ASM DATE OF ISSUE 02 2006 IMPORTANT SERVICE SAFETY INFORMATION Operating the receiver outside of its cabinet or with its back removed involves a shock hazard Work on these models should only be performed by those who are thoroughly familiar with precautions necessary when working on high voltage equipment Exercise care when servicing this chassis with power applied Many B plus and high voltage RF terminals are exposed which if carelessly contacted can cause serious shock or result in damage to the chassis Maintain interconnecting ground lead connections between chassis escutcheon picture tube dag and tuner cluster when operating the chassis These receivers have a polarized AC line cord The AC plug is designed to fit into standard AC outlets in one direction only The wide blade connects to the ground side and the narrow blade connects to the hot side of the AC line This assures that the TV receiver is properly grounded to the house wiring If an extension cord must be used make sure it is of the polarized type Since the chassis of this receiver is connected to one side of the AC supply during operation service should not be attempted by anyone not familiar with the precautions necessary when working on these typ
19. T CD501 E 1 TROUBLESHOOTING GUIDE NO RASTER he RASTER at marum Is the voltage of pin 1 of Yes Check the output circuit and BRIGHT CONTRAST CP801 DC180V associated circuit No No Check the 180V line Yes Is the high voltage of Yes Contact defects of CRT or CRT ANODE 27KV 28KV 2 Socket Is the heater voltage at pin 10 of J801 AC6 4V No No Check the HEATER circuit Is collector voltages of Q405 DC115V and Q402 DC17 3V Yes Check FB401 and associated circuit No Yes Is the waveform at base of Q405 normal Broken wire at pin 2 of T401 No Is the waveform at pin Yes Check the circuit from pin 23 of 23 of IC601 normal 2 601 to 0402 Check 601 associated circuit E 2 TROUBLESHOOTING GUIDE NO COLOR Are the waveform at pins 6 Defect of CRT or contact defects 8 and 11 of J801 normal of J801 Are the waveform at pins 3 Yes Check the output circuit and 4 and 5 of CP802 normal associated circuit No Are the waveform at Are the waveforms at the lt pins 14 15 and 16 of input of 0801 0805 and Check id Q806 and IC601 normal Q806 normal associated circult NO Check 601 and associated circuit Yes Is the pulse of crystal X601 normal Check the associated circuit of IC601 NO Change X601 E 3 TROUBLESHOOTING GUIDE NO VERTICAL
20. ern Generator On Screen Display Adjustment 1 In the condition of NO indication on the screen Press the VOL DOWN button on the set and the Channel button 9 on the remote control for more than 2 seconds to appear the adjustment mode on the screen as shown in Fig 1 1 2 Use the VOL UP DOWN button or Channel button 0 9 on the remote control to select the options shown in Fig 1 2 3 Press the MENU button on the remote control to end the adjustments 4 To display the adjustment screen for AV CS and DIGITAL mode press the TV VIDEO button on the remote control to set to the AV CS and DIGITAL mode Press the VOL DOWN button on the set and the channel 9 on the remote control for more than 2 seconds D 1 FUNCTION FUNCTION OSDH CONT CENT OSDC CONT MAX CUT OFF CONT MIN H POSI COL CENT H BLKL COL MAX H BLK R COL MIN V SIZE TINT CENT V POSI SHARP CENT V LIN VS CORR SHARP MIN V COMP SUB BIAS R BIAS H SIZE PARABOLA TRAPEZIUM R DRV COR TOP G DRV COR BTM B DRV TEST STEREO BRI CENT TEST AUDIO BRI MAX H FREQ BRI MIN G BIAS B BIAS 2 BASIC ADJUSTMENTS 2 1 CONSTANT VOLTAGE 1 Place the set in AV MODE without signal 2 Connect the digital voltmeter to the 003 3 Adjust the VR502 until the digital voltmeter is 120 0 5V 2 2 CUT OFF 1 Place the set in Aging Test for more than 15 minutes 2 Place the set in AV MODE without signal 3 Using the remote control
21. ertical direction towards the IC pattern Blower type IC desoldering machine Braided Shield Wire Soldering Iron IC pattern B2 1 DISASSEMBLY INSTRUCTIONS INSTALLATION 4 When bridge soldering between terminals and or the soldering amount are not enough resolder using a Thin 1 Take care of the polarity of new IC and then install the Soldering Iron Refer to Fig 2 8 new IC fitting on the printed circuit pattern Then solder each lead on the diagonal positions of 1 temporarily Refer to Fig 2 5 Thin tip Soldering Iron Soldering Iron SS F Ne 5 Finally confirm the soldering status on four sides of the Solder temporarily ag Solder temporarily IC using a magnifying glass Confirm that no abnormality is found on the soldering Fig 2 5 position and installation position of the parts around the IC If some abnormality is found correct by resoldering 2 Supply the solder from the upper position of IC leads NOTE sliding to the lower position of the IC leads Refer to Fig 2 6 When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be always sure to replace the IC in this case Solder Soldering Iron Supply soldering from upper position to lower position 3 Absorb the solder left on the lead using the Braided Shield Wire Refer to Fig 2 7 NOTE Do not absorb t
22. es of equipment When it is necessary to make measurements or tests with AC power applied to the receiver chassis an Isolation Transformer must be used as a safety precaution and to prevent possible damage to transistors The Isolation Transformer should be connected between the TV line cord plug and the AC power outlet When removing springs or spring mounted parts from the tuner tuner cluster or chassis shatterproof goggles must be worn Keep others without shatterproof goggles away A1 1 Before returning the receiver to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the receiver 2 Replace all protective devices such as nonmetallic control knobs insulating fishpapers cabinet backs adjustment and compartment covers or shields isolation resistor capacitor networks mechanical insulators etc 3 To be sure that no shock hazard exists a check for the presence of leakage current should be made at each exposed metal part having a return path to the chassis antenna cabinet metal screw heads knobs and or shafts escutcheon etc in the following manner Plug the AC line cord directly into a 120V AC receptacle Do not use an Isolation Transformer during these checks All checks must be repeated with the AC line cord plug connection reversed If necessary a nonpolarized adapte
23. he solder to excess Soldering Iron Braided Shield Wire B2 2 SERVICE MODE LIST This unit is provided with the following SERVICE MODES so you can repair examine and adjust easily To enter the Service Mode press both set key and remote control key for more than 2 seconds VOL MIN 0 Releasing of V CHIP PASSWORD Initialization of factory data NOTE Do not use this for normal servicing If you set factory initialization the memories are reset such as the channel setting and the POWER ON total hours Check of the SUM DATA and MICON VERSION on the screen Refer to the WHEN REPLACING EEPROM MEMORY Check for the firmware version VOL MIN 9 be checked of the INITIAL DATA of MEMORY Refer to the WHEN REPLACING EEPROM MEMORY 1 Display of the Adjustment MENU on the screen VOL MIN Refer to the ELECTRICAL ADJUSTMENT On Screen Display Adjustment WHEN REPLACING EEPROM MEMORY IC CONFIRMATION OF CHECK SUM POWER ON TOTAL HOURS MICON VERSION AND DIGITAL TV MICON FIRMWARE VERSION Initial total of MEMORY IC POWER ON total hours MICON VERSION and Digital TV MICON Firmware VERSION can be checked on the screen Total hours are displayed in 16 system of notation NOTE If you set a factory initialization the total hours is reset to 0 Please refer to CONFIRMATION OF INITIAL DATA when SUM DATA is not corresponding 1 Turn on the POWER and set to the TV mode 2
24. mer Yes Sleep Timer Yes Reset Yes Sound Mute Yes Picture Size Yes V chip Rating Yes OSD Language English French Spanish Clock and Sleep Timer Max Time 120 Min Timer Step 10 Min On Off Timer Program On Timer Off Timer Timer Back up at Power Off Mode more than G 10 Remote Unit RC KL Control Glow in Dark Remocon No Format NEC Remocon Format Orion Custom Code 86 05 h Power Source Voltage D C 3V UM size x pcs UM 4 x 2 pcs Total Keys 27 Keys Keys Power Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption T ext Yes CH1 CH2 No TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes Display Call Yes Reset Yes Menu Yes Enter Yes A3 2 Features G 12 GENERAL SPECIFICATIONS Mute Yes Exit Yes MTS Audio Select Yes Set No Set No Picture Size Yes Multi Brand Keys CH Up VCR No CH Down VCR No Pause Still No TV VCR VCR No CH Enter No Code Set Code No FF No Rew No Rec No Play No Stop No TV No VCR No Cable No Auto Degauss Auto Shut Off Canal Cable CATV Anti theft Rental Memory Last CH Yes Memory Last Volume Yes V Chip Analog amp Digital Type Yes USA ORION Type BBE Auto Search No CH Allocation No SAP Tone C
25. o TP024 Activate the adjustment mode display of Fig 1 1 and press the channel button 26 on the remote control to select TINT Press the CH UP DOWN button on the remote control until the section A becomes as straight line Refer to Fig 2 1 Receive the color bar pattern Audio Video Input Press the TV VIDEO button on the remote control to set to the AV mode Then perform the above adjustments 2b Receive the color bar pattern Press the TV VIDEO button on the remote control to set to the CS mode Then perform the above adjustments 255 10 Receive the digital color bar pattern 11 Press the TV VIDEO button on the remote control to set to the DIGITAL mode Then perform the above adjustments 2 5 2 8 COLOR CENT 1 Receive the color bar pattern RF Input 2 Using the remote control set the brightness contrast color and tint to normal position 3 Connect the oscilloscope to TP022 4 Activate the adjustment mode display of Fig 1 1 and press the channel button 23 on the remote control to select COL CENT 5 Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 10096 and 096 is set to 4 scales on the screen of the oscilloscope 6 Press the CH UP DOWN button on the remote control until the red color level is adjusted to 110 5 of the white level Refer to Fig 2 2 7 Receive the color bar pattern Audio Video Input 8 Press the AV mode Then perf
26. ontrol No Just Clock Function No Game Position No CH Label VM Circuit No Full OSD No Premiere No Comb Filter No Auto CH Memory Hotel Lock Closed Caption Analog amp Digital CC Advance Stable Sound Surround CH Lock Video Lock Game Timer Max Time 120 Min Energy Star Power On Memory Favorite CH FBT Leak Test Protect Mode Picture Preference Variable Audio Out Front Panel Lock QAM Digital Out Dolby Digital MPEG PCM DTS Owner s Manual Language w Guarantee Card English Spanish Yes Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No A3 3 Environment GENERAL SPECIFICATIONS DC Car Cord Center No Guarantee Card No Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important Safeguard No Dew AHC Caution Sheet No AC Plug Adapter No Quick Set up Sheet No Battery Yes UM 4 x 2pcs OEM Brand No AC Cord No AV Cord 2Pin 1Pin No Registration Card No Information Sheet No PTB Sheet No 300 ohm to 75 ohm Antenna Adapter No Information Sheet Return Yes Switch Front Power System Select Main Power SW Sub Power Channel Up Channel Down Volume Up Volume
27. orm the above adjustments 2 6 9 Receive the color bar pattern 10 Press the TV VIDEO button on the remote control to set to the CS mode Then perform the above adjustments 2 6 11 Receive the digital color bar pattern 12 Press the TV VIDEO button on the remote control to set to the DIGITAL mode Then perform the above adjustments 2 6 white 100 2 9 HORIZONTAL POSITION 1 Receive the monoscope pattern 2 Using the remote control set the brightness and contrast to normal position 3 Activate the adjustment mode display of Fig 1 1 and press the channel button 03 on the remote control to selec H POSI 4 Press the CH UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum D 2 ELECTRICAL ADJUSTMENTS 2 14 TRAPEZIUM 2 10 HORIZONTAL SIZE 1 Receive the monoscope pattern 2 Using the remote control set the brightness and contrast to normal position 3 Activate the adjustment mode display of Fig 1 1 and press the channel button 31 on the remote control to select H SIZE 4 Press the CH UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on the right and left becomes 8 3 2 11 VERTICAL LINEARITY 1 Receive the monoscope pattern 2 Using the remote control set the brightness contrast to normal position 3 Activate the adjustment mode display of Fig 1 1 and press the channel button 08 on the remo
28. r plug must be used only for the purpose of completing these checks If available measure current using an accurate leakage current tester Any reading of 0 35mA or more is excessive and indicates a potential shock hazard which must be corrected before returning the receiver to the owner If a reliable leakage current tester is not available this alternate method of measurement should be used Using two clip leads connect a 1500 ohm 10 watt resistor paralleled by a 0 15uF capacitor in series with a known earth ground such as a water pipe or conduit and the metal part to be checked Use a VI VM or VOM with 1000 ohms per volt or higher sensitivity to measure this AC voltage drop across the resistor Any reading of 0 35 volt RMS or more is excessive and indicates a potential shock hazard which must be corrected before returning the receiver to the owner VT VM SCALES 15u F TO EXPOSED METAL PARTS TEST PROBE TO KNOWN EARTH GROUND ABOUT LEAD FREE SOLDER Distinction of PCB PCBs manufactured using lead free solder will have a PbF printing on the PCB Please refer to figures Caution e Pb free solder has a higher melting point than standard solder Typically the melting point is 86 F 104 F 30 C 40 C higher Please use a soldering iron with temperature control and adjust it to 650 F 20 F 850 C 10 C In case of using high temperature soldering iron please be careful
29. set the brightness and contrast to normal position 4 Activate the adjustment mode display of Fig 1 1 and press the channel button 02 on the remote control to select CUT OFF 5 Adjust the Screen Volume until a dim raster is obtained 2 3 FOCUS 1 Receive the monoscope pattern 2 Turn the Focus Volume fully counterclockwise once 3 Adjust the Focus Volume until picture is distinct 2 4 WHITE BALANCE NOTE Adjust after performing CUT OFF adjustment 1 Place the set in Aging Test for more than 15 minutes 2 Receive the white 100 signal from the Pattern Generator 3 Using the adjustment control set the brightness and contrast to normal position 4 Activate the adjustment mode display of Fig 1 1 and press the channel button 11 on the remote control to select R BIAS 5 Using the CH UP DOWN button on the remote control adjust the R BIAS 6 Press the VOL UP DOWN button on the remote control to select the R DRIVE B DRIVE G BIAS or B BIAS 7 Using the CH UP DOWN button on the remote control adjust the R DRIVE B DRIVE G BIAS or B BIAS 8 Perform the above adjustments 6 and 7 until the white color is achieved ELECTRICAL ADJUSTMENTS 2 5 BRIGHT CENT Receive the monoscope pattern RF Input Set the screen mode to FULL Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 1
30. sition Activate the adjustment mode display of Fig 1 1 and press the channel button 32 on the remote control to select Press the CH UP DOWN button on the remote control so that the line becomes straight from the outside of the right and left 2 16 COR TOP BTM Receive the crosshatch signal from the Pattern Generator Set the screen mode to FULL Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 34 on the remote control to select COR TOP Press the CH UP DOWN button on the remote control until both ends of the vertical lines become straight Activate the adjustment mode display of Fig 1 1 and press the channel button 35 on the remote control to select COR BTM Press the CH UP DOWN button on the remote control until both ends of the vertical lines of the screen become parallel 2 17 OSD POSITION Receive the monoscope pattern from the Pattern Generator Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 00 on the remote control to select OSD H Press the CH UP DOWN button on the remote control until the difference of A and B becomes minimum Refer to Fig 2 4 AS Qo 10 ELECTRIC
31. stments in section 3 3 1 Adjust the differences around the screen by moving the deflection yoke upward downward and right left Refer to Fig 3 2 a 2 Insert three wedges between the deflection yoke and CRT funnel to fix the deflection yoke Refer to Fig 3 2 b UPWARD DOWNWARD SLANT RIGHT LEFT SLANT Fig 3 2 a WEDGE POSITION Fig 3 2 b ELECTRICAL ADJUSTMENTS 4 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE WIRING CONNECTION CRT PCB 024 6805 022 R803 5801 CD801 CP801A N N O A N NJ N CD1001 SPEAKER CP401 VR401 CP1001 VR502 CRT IVLISIC CRT CP802A CP502 AC IN CD501 2 501 550 J705 J706 J707 MAIN PCB D 6 TROUBLESHOOTING GUIDE NO POWER lt Is the voltage at the point in the Figure DC159 4V 2 Is the voltage at pin G of Q502 DC5V Check 514 and associated circuit Check Q502 and associated circuit Is the voltage at the point B Broken wire of R501 or short circuit the Figure DC164V 2 on GND R540 R539 R501 5 IC504 N int Yes JY 8 t 4 es Check the rectifying circuit Q514 No D501 D504 Is the voltage at the point E Yes in the Figure AC120V Yes Is the voltage on both ends of S501 AC120V Broken wire of F501 No F501 Broken wire of AC cord or check 5501 5501 C
32. te control to select V LIN 4 Press the CH UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes minimum 2 12 VERTICAL POSITION 1 Receive the monoscope pattern 2 Using the remote control set the brightness and contrast to normal position 3 Adjust the VR401 until the horizontal line becomes fit to the notch of the shadow mask Refer to Fig 2 3 horizontal line 5 4 Shadow mask Fig 2 3 2 13 VERTICAL SIZE 1 Receive the monoscope pattern 2 Using the remote control set the brightness and contrast to normal position 3 Activate the adjustment mode display of Fig 1 1 and press the channel button 06 on the remote control to select SIZE 4 Press the CH UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 9 2 1 2 3 Receive the crosshatch signal from the Pattern Generator Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 33 on the remote control to select TRAPEZIUM Press the CH UP DOWN button on the remote control until both ends of the right and left vertical lines of the 4th length lines screen become parallel 2 15 PALABOLA 1 2 Receive the crosshatch pattern Using the remote control set the brightness and contrast to normal po
33. th VOL DOWN button on the set and Channel button 6 on the remote control for more than 2 seconds ADDRESS and DATA should appear as FIG 1 3 ADDRESS is now selected and should blink Using the UP DOWN button on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press RIGHT LEFT button to select DATA When DATA is selected it will blink Again step through the DATA using UP DOWN button until required DATA value has been selected Pressing RIGHT LEFT button will take you back to ADDRESS for further selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input oe After the data input set to the initializing of shipping 9 Turn POWER on 10 Press both VOL DOWN button on the set and Channel button 1 on the remote control for more than 2 seconds 11 After the finishing of the initializing of shipping the unit will turn off automatically The unit will now have the correct DATA for the new MEMORY IC ADDRESS DATA T INIT 000 CRT 0015 OEC7144A 039 DTV d a5Z253 INIT OD9B ROM 4036 VOLUME 0000 FIG 1 C 2 RE WRITE FOR DIGITAL SOFT FIRMWARE JG198 JG199 Flash UP Date Soft JG176 USA SD DTV ROM Serial Communication Change JIG PartNo Pars name RS JG198 APJG198000 Connect the set to personal computer Change JIG JG19
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