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SERVICE MANUAL

1. H826 470K 0825 155133 OUTPUT
2. TP601 TP300 1 4A 125V GND Feo A 1 0605 0608 1 AA 125V Q e o LINE BRIDGE pA 6 gt bo 4 FILTER RECTIFIER x i AC CORD CCO i Wr gt o AL 33V CN691 gt o DEF B L691 J DEGAUSSING 77 COIL A 25691 4 5V CTRL2 I FROM PIN 41 OF IC301 1 SWITCHING eu BACK UP A SWITCHING 0601 SWITCHING 2 gt o AL 12V Q681 0602 P ON 8V LIMITER D 8V CTRL 4 FROM PIN33 1 301 0676 gt SWITCHING Biss CONTROL P ON 5V 1 A 77 45V CTRL gt ase FROM PIN39 OF IC301 B P ON 5V ADJ IC601 ERROR 5 VOLTAGE DET FROM PIN46 OF IC301 i aD MAIN CBA E ES 6 7 6 8 L1400BLP SCHEMATIC DIAGRAMS CBA S AND TEST POINTS Standard Notes Many electrical and mechanical parts in this chassis have special characteristics These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts that have these special safety characteristics are identified in this manual and its s
3. WF13 10 20V 20usec Q503 Collector m et BI dee See WF14 10 20V 20usec 502 Collector BIDIA JE WF15 1DIV 20V 20usec Q 501 Collector WF16 1DIV 0 2V 20usec TU 1 Pin 8 WF_01 WIRING DIAGRAM CN801 CLN551 CLN801 SP801 1 SPEAKER SPEAKER 2 SPEAKER GND ANODE TU1 TUNER UNIT MAIN CBA CN691 BL1400F01011 1 i 2 T571 o 9 SCREEN WH301B WH301A 8V 1 1 81 GND 2 2 GND RED 3 3 RED GREEN 4 4 GREEN BLUE 5 5 BLUE WH501B WH501A 180v 1 2590 CRT CBA GND 2 2 GND BL1400F01011 2 HEATER 3 HEATER 9 1 NO CONNECTION CN301 1 INT MONITOR 2 GND SDA SCL CN301 IS USED Q O N ADJUSTMENT AT FACTORY L1400WI IC PIN FUNCTIONS IC101 TV Micro Computer H SYNC Function Input For Horizontal Synchronize ignal SPOT KILL Function Spot Countermeasure Not Used V SYNC Input For Vertical Synchronize Signal P ON H Output for P ON H N U Not Used N U Not Used N U Not Used N U Not Used
4. 2SKe8 SWITCHING A 0611 4 0 1 11 201 77158 L 0 1 0 1 42 WF9 i 4 1571 A WF7 JF0501 2409 R556 16571 1 0557 RERA22 02 REC ou ees 0 H OUTPUT 1K 0572 I i 28C1627Y i f 80571 H DRIVE cu 2 mel 2579 1925004 1 4 1K 9574 18572 to H 1 5 C577 dd 0551 UA 17 35178 12 06 5 23 R55 54 7 2552 8553 R554 8575 R576 577 1 4 3 9 15 5 15 4 C554 8561 21 100 35 470 559 9296 BRK A583 _ _D569 3 ous R554 MTZJT 7720B 56K wl 0562 E EK 5 25750 2 4 no AS C566 rh R599 2 600 25V AX 1 wwv dr w 3 l rh Sup A 1 C594 8594 8593 8592 43 0 50V 100K 100K C97 ay CONTINUE MAIN 1 2 1 ACL ABL 9 COL 1 2 BACKUP H5Y CTRL 47555 0551 52 BCBS 15K 2W ERC1B 04 BEAD BEAD 8V V RAMP NF 5 V DRIVE A 2 02 HAT GREE 4 100 150 z 1000 35v POUE 0853 FBP PROTECT 1 8 1000 164 BACKUP 3554 4 2 P ON 5V 15K 3 P ON 8V C654 055 2 P ON 5V R656 15 R657 15K 660 R660 185133 4K AN G zi H R561 A OR ias N 7 8 15 8673 D672 667 100K 155133 WIRE 30 WJ 20 3 1005 155133 56KZ1W 1 2
5. ogir L601 s090 1890 689 0582 ae FCU lt C682 e a R369 4A 125V ES Mo zu o uH 2o R 093 1084 9199 2 o J e 268 mE 1290 6294 2 oM CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE MEMO TYPE RISK OF FIRE REPLACE FUSE AS MARKED JE This symbol means fast operating fuse Ce symbole repr sente un fusible fusion rapide 002 2 VEM r 2 WH3014A 284940 2061 1068 B EH 0ED SOEY L mi PALO 162 ILEO 617 R367 J206 2 8 TI 8 2375 1 gt j R373 C361 bad oN o 026 E 0 7 F 1149 9994 V 1OSN2 BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER SUPPLY CIRCUIT AN ISOLATION TRANSFORMER MUST BE USED ALSO IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT SLOWLY WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY CIRCUIT A VARIABLE ISOLATION TRANSFORMER IS REQUIRED 10987654321 9 6
6. 11528 REM ooo le 7554 2 6854 gt 7954 89544 7 12 WF1 PIN36 OF IC301 PIN 40 PIN50 OF IC301 OFIC301 7 13 01 01 24 9 14 WF7 Q572 Collector PIN 8 OF TU1 7 14 Q571 Base WF9 PIN 1 OF CN571 PIN 4 OF CN571 PIN 3 OF WH501A PIN 7 OF 1 551 MAIN CBA Ref No Position ICS 1C101 1 151 1C333 551 601 C 3 801 1 TRANSISTORS 0111 0 2 0571 2 0572 1 Q601 B 3 Q602 C 3 Q662 C 2 Q671 C 2 Q676 C 2 Q681 D 2 Q682 C 2 Q683 B 1 Q831 D 1 TEST POINTS J121 A 2 J122 A 2 TP300 A 3 TP301 A 1 TP302 A 2 TP601 B 3 CONNECTORS CN301 A 1 CN571 A 2 CN691 C 3 CN801 D 1 WH301A 1 WH501A 2 VARIABLE RESISTORS VR661 A 1 E 1 E 2 D 1 A 1 BL1400F01011 1 CRT CBA Top View CRT CBA Ref No Position TRANSISTORS 0501 0502 0503 E TEST POINTS TP501 B 3 TP502 A2 CONNECTORS CN501 WH301B WH501B 3 DTP501 N OTPs02 R79 ell E H aate R514 R515 2 4 1 WH501B 7 15 CRT CBA Bottom View WF14 Q502 Collector Q502 Base WF15 Q501 Collector Q503 225 Collector Q503 Base s 7 16 Q501 Base BL1400F01011 2 WF1 WF16 Waveforms to be observed at Waveform check points Shown in Schematic Diagram WF1 1DIV
7. RNO02152DP004 PCB JUMPER D0 6 P5 0 JW5 0T FIXED METAL OXIDE FILM RES 2W J 1 5 or 02152 07 CHIP 1608 1 10W J 15k Q RRXAJB5Z0153 METAL OXIDE FILM RES 2W J 1 5k or RN02152ZU001 CARBON RES 1 4W J 2 7 Q RCX4JATZ0272 METAL RESISTOR 2W J 1 5 Q or RN02152UB001 CARBON RES 1 6W J 2 7 RCX6JATZ0272 METAL OXIDE FILM RES 2W J 1 5k Q RNO02152DP004 CARBON RES 1 4W J 1k or RCX4JATZ0102 CARBON RES 1 4W J 15 Q or 20150 CARBON RES 1 6W J 1k RCX6JATZ0102 CARBON RES 1 6W J 15 RCX6JATZ0150 CHIP RES 1608 1 10W J 15k RRXAJB5Z0153 CARBON RES 1 4W J 15 Q or 20150 CARBON RES 1 4W J 15k RCX4JATZ0153 CARBON RES 1 6W J 15 RCX6JATZ0150 CARBON RES 1 6W J 15k Q RCX6JATZ0153 CARBON RES 1 4W J 15 or 20150 CARBON RES 1 4W J 1k or RCX4JATZ0102 CARBON RES 1 6W J 15 20001215 RCX6JATZ0150 CARBON RES 1 6W J 1k Q RCX6JATZ0102 13 5 CARBON RES 1 4W J 15k Q or RCX4JATZ0153 L1400EL Description CARBON RES 1 6W J 15k Part No RCX6JATZ0153 Description TACT SWITCH SKHHAM 55 0101 1029 CARBON RES 1 4W J 220 Q or RCX4JATZ0224 TACT SWITCH SKQSAB or SST0101AL038 CARBON RES 1 6W J 220k Q RCX6JATZ0224 TACT SWITCH 0612
8. GND TP300 MAIN CBA 8 101 1 1 NO CONNECTION r SW102 5103 5 104 5105 5105 i INT MONELOR CH UP CH DOWN VOL UP VOL DOWN MENU TE 2 i GND 0155 1108 8103 8104 8105 9 29716 1 8K 3 3K 4 7K B 2K SDA 100 nios SW101 SW106 ARE SKGSAB SCL 0 C344 bc T m 6 47 80V V CN301 IS USED FOR R107 450107 0104 A AN B D 1 2 OK 10 01 MIZJT 775 6B CF301 TRAP4 5MHz r 8347 i 10k 9346 c345 13 64 8100 14 53 70 015 1 15 64 T MAIN 1 2 16 64 20121 3ht20 0123 30124 R127 R128 Ref No Position 4 JK 4 7K 4 IKF 4 7K R134 Mt JT 775 6B 1 5K 3 3K 1 ICS IC101 10151 5 10 E Fco Cass i 7 393 80 8 1 5 1 801 2 J115 1 2 TRANSISTORS GND GND i 0111 cs INTELLIGEN 11 0831 t MONITORING TEST POINTS TP300 POWER CONTROL TP301 i 353 2 CONNECTORS A CN301 CN801 1 d 0 1 233 1 IC101 Don 15343 CONTINUE MAIN 2 2 M37272MBH ANV 55 ACL ABL TV MICON 2 PROTECT 2 A 57 4 A5 3 2 i A S TV DEMODL 8 0 VORNE gt I B Exr 23 asc vs I 3 INPUT TE 322 ay 1 0 2 3 ext pur 42 100710 m l 11 K 94 CLAMP gt I 1 sig n A PROTECT
9. and TNT cyclically when MENU button is pressed Press CH A Y buttons so that the bar is just visible See above figure 3 Turn the power off and on again Main power button on the TV unit 15 Focus Adjustment Purpose Set the optimum Focus Symptom of Misadjustment If Focus Adjustment is incorrect blurred images are shown on the display Test Point Adj Point Input Focus Control Monoscope Tape M EQ Spec Pattern Generator See below Note FocusVR FBT MainCBA FBT FlyBack Transformer 1 Operate the unit more than 30 minutes 2 Face the unit to the East and Degauss the CRT using Degaussing Coil 3 Input the Monoscope Pattern 4 Adjust the Focus Control on the FBT to obtain clear picture The following 2 adjustments normally are not at tempted in the field Only when replacing the CRT then adjust as a preparation 16 Purity Adjustment Purpose To obtain pure color Symptom of Misadjustment If Color Purity Adjust ment is incorrect large areas of color may not be properly displayed Test Point Adj Point Deflection Yoke 7 Purity Magnet Red Color Tape M EQ Pattern Generator Input Spec See below Figure 1 Set the unit facing east 2 Operate the unit for over 30 minutes before adjust ing 3 Fully degauss the unit using an external degaussing coil 4 Loosen the screw on the Deflection Yoke Clamper and pull the Defle
10. is a leadless chip component 6 Voltage indications on the schematics are as shown below Plug the TV power cord into a standard AC outlet L 2 3 m Ta pm 4 Power on mode 7G 3 0 Power off mode Unit Volts Voltage Indicates that the voltage is not consistent here 7 How to read converged lines 1 D3 Distinction Area fe pev jis I 3 i 1 B1 o AREA 039 Examples AREA B1 1 1 03 means that line number 1 goes to area 2 1 B1 means that number 1 goes to area B1 1 8 Test Point Information D Indicates a test point with a jumper wire across a hole in the PCB Used to indicate a test point with a component lead on foil side e Used to indicate a test point with no test pin Used to indicate a test point with a test pin 7 2 L7951SC 5 A4 A3 A2 1 C5 C1 D5 D1 G5 G4 G3 G2 G1 L1400SCH_A2 p65 IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL 1 1 1 i 1 e 1 1 gt 1 l 01 01 24 13 07 1 2 Schematic Diagram
11. 04000 009 WEDGE FT 00110W XV10000T4001 20010101 12 1 L1400CA Warning Label Location CRT Type No X CRT Warning Label 20010101 12 2 L1400CA ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE Products marked with a have special characteristics important to safety Before replacing any of these components read care fully the product safety notice in this service manual Don t degrade the safety of the product through improper servicing NOTES 1 Parts that not assigned part numbers are not available 2 Tolerance of Capacitors and Resistors are noted with the following symbols 0 25 D 0 5 F 41 G 42 5 10 20 30 Z 80 20 MMA 314 CBA Description MMA 314 CBA OESA03986 Consists of the following MAIN CBA CRT CBA Main CBA Description MAIN CBA Consist of the follwing Description ELECTROLYTIC CAP 1uF 50V M CE1JMASDLO10 FILM CAP P 0 001uF 50V J or CMA1JJS00102 FILM CAP P 0 001uF 50V J or CA1J102MS029 FILM CAP P 0 0014 F 50V J TV or CMB1JJS00102 MYLAR 0 001uF 50V 22501025 ELECTROLYTIC CAP 220uF 10V M CE1AMASTL221 ELECTROLYTIC CAP 220uF 10V M CE1AMASDL221 CHIP CERAMIC CAP 0 01uF 50V CHD1JKB0B103 CHIP CERAMIC CAP J 330pF 50V CHD1JJBCH331 CHIP CERAMIC CAP
12. 406207 the Table 1 for V501 and L551 combination chart ACCESSORIES Please refer this CRT Deflection Yoke combination REMOCON UNIT 130 ERCOO1 NO105UD or 010500 chart for parts order REMOCON UNIT 130 ERCOO1 NO127UD NO127UD DRY BATTERY R6P or XBOM451GHO001 V 501 V 501 D ride DRY BATTERY R6P 2S or 0 451 0001 eflection DRY BATTERY SUNRISE R6SSE 2S or 451 5002 CRT Part No Yoke Part No DRY BATTERY R6P AR 2PX or XBOM451HU002 DRY BATTERY R6P AR 2P X ICI XBOM451HU003 OWNER S MANUAL E S ENGLISH SPANISH 01748 POLYETHYLENE BAG F8626B5 2325350 RETURN STOP SHEET 0VM408869A DE PARTS CRT GND WIRE CRT GND WX1L7820 003 WIRE ASSEMBLY SPEAKER WIRE 220MM WX1L7950 001 DEGAUSSING COIL AVDGO014 or LLBHOOZWROOS DEGAUSSING COIL F 003 LLBHOOZTMOOS SPEAKER 508 2 or DSD0808XQ010 SPEAKER J F097 C5 DSDO0808DCPO1 CRT A48JLL90X TCRT190QS009 LLBYOOZMSO 13 LLBYOOZSY006 LLBY00ZQS004 CRT A48LGS30X TCRT190THAO1 LLBYOOZMS016 LLBYOOZTHAO 1 CRT A48LRH93X W TCRT190P7002 LLBYOOZQSO05 LLBYOOZSY007 Note 1 V501 CRT HAS COUPLE OF SUBSTITUTIONAL PARTS AND EACH PARTS ALSO HAS MATCHING COMBINATION WITH L551 PLEASE SEE TABLE 1 FOR DETAILS OF MATCHING CONBINATION 2 L551 DEFLECTION YOKE HAS MATCHING COMBINATION WITH V501 PLEASE SEE TABLE 1 FOR DETAILS OF MATCHING COMBINATION CRT TYPE 1 CRT A48JLL90X TCRT190QS009 C P MAGNET JH225 014
13. CANADA 0 126 inches Note This table is unofficial and for reference only Be Exposed Accessible Part sure to confirm the precise values 2 Leakage Current Test Confirm the specified or lower leakage current be tween B earth ground power cord plug prongs and externally exposed accessible parts RF terminals an tenna terminals video and audio input and output ter minals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below AC Voltmeter High Impedance Measuring Method Power ON Insert load Z between B earth ground power cord plug Earth Ground prongs and exposed accessible parts Use an AC Power Cord Plug Prongs voltmeter to measure across both terminals of load Z See Fig 2 and following table Table 2 Leakage current ratings for selected areas AC Line Voltage Leakage Current i Earth Ground B to 0 15 ape amp 1 5kQ RES 110 to 130 V USA connected ih i lt 0 5mA rms Exposed accessible parts parallel Note This table is unofficial and for reference only Be sure to confirm the precise values 2 4 SFTY_01 STANDARD NOTES FOR SERVICING Circuit Board Indications a The output pin of the 3 pin Regulator ICs is indicated as shown Bottom View iy 8 ee b For other ICs pin 1 and every fifth pin are indicated as shown Top View oOo 5 0 1 c The 1st
14. X Radiation and High Voltage Limits Be cause the picture tube is the primary potential source of X radiation in solid state TV receivers it is specially constructed to prohibit X radiation emis sions For continued X radiation protection the re placement picture tube must be the same type as the original Also because the picture tube shields and mounting hardware perform an X radiation pro tection function they must be correctly in place High voltage must be measured each time servicing SFTY_01 is performed that involves B horizontal deflection or high voltage Correct operation of the X radiation protection circuits also must be reconfirmed each time they are serviced X radiation protection cir cuits also may be called horizontal disable or hold down Read and apply the high voltage limits and if the chassis is so equipped the X radiation protec tion circuit specifications given on instrument labels and in the Product Safety amp X Radiation Warning note on the service data chassis schematic High voltage is maintained within specified limits by close tolerance safety related components adjustments in the high voltage circuit If high voltage exceeds specified limits check each component specified on the chassis schematic and take corrective action Read and comply with all caution and safety related notes on or inside the receiver cabinet on the re ceiver chassis or on the picture tube 3 Design Alt
15. 0 01uF 50V CHD1JKB0B103 ELECTROLYTIC CAP 1uF 50V M CE1JMASTL1RO ELECTROLYTIC CAP 1 50 M or CE1JMASTLO10 ELECTROLYTIC CAP 1 50 M CE1JMASDL1RO ELECTROLYTIC CAP 1uF 50V CE1JMASDLO10 ELECTROLYTIC CAP 100uF 10V M or CE1AMASTL101 ELECTROLYTIC CAP 100uF 10V CE1AMASDL 101 FILM CAP P 0 1uF 50V J or CMA1JJS00104 FILM CAP P 0 1unF 50V J or CA1J104MS029 FILM CAP P 0 14F 50V J TV or CMB1JJS00104 MYLAR CAP 0 1uF 50V 22501048 ELECTROLYTIC CAP 100uF 10V M or CE1AMASTL101 ELECTROLYTIC CAP 100uF 10V CE1AMASDL 101 CERAMIC CAP AX Z 0 01uF 25V CDA1EZTOF103 ELECTROLYTIC CAP 10uF 50V M or CE1JMASTL100 ELECTROLYTIC CAP 10uF 50V CE1JMASDL100 CHIP CERAMIC CAP CH J 47pF 50V CHD1JJBCH470 CERAMIC CAP AX Z 0 1uF 50V or CA1J104TU014 CERAMIC Z 0 1uF 50V CCA1JZTOF104 ELECTROLYTIC CAP 14F 50V M CE1JMASTL1RO ELECTROLYTIC CAP 1 50 M or CE1JMASTLO10 CAPACITORS ELECTROLYTIC CAP 100uF 10V M or ELECTROLYTIC CAP 100uF 10V ELECTROLYTIC CAP 4 7uF 50V M or ELECTROLYTIC CAP 4 7uF 50V CHIP CERAMIC CAP 0 01uF 50V ELECTROLYTIC CAP 47uF 16V M or ELECTROLYTIC CAP 47uF 16V M ELECTROLYTIC CAP 100uF 10V M or ELECTROLYTIC CAP 100uF 10V CHIP CERAMIC CAP CH J 47pF 50V CERAMIC CAP AX B K 220pF 50V CHIP CERAMIC C
16. 1608 CHIP RES 1608 1 10W J 1k Q RRXAJB5Z0102 TRANSISTOR 2SC1815 GR TPE2 QQS102SC1815 CHIP RES 1608 1 10W J 10k Q RRXAJB5Z0103 TRANSISTOR 2SD2627LS FEC YB11 or QQZZ02SD2627 CARBON RES 1 4W J 22k Q or RCX4JATZ0223 TRANSISTOR 2SD2629 YB QQZZ02SD2629 CARBON RES 1 6W J 22k RCX6JATZ0223 TRANSISTOR 25 1627 2 QQSY02SC1627 CHIP RES 1608 1 10W J 100 Q RRXAJB5Z0101 MOS FET 2SK2872 54MR or QFZZ02SK2872 CHIP RES 1608 1 10W J 22k Q RRXAJB5Z0223 MOS FET 2SK2662 QF5Z02SK2662 CHIP RES 1608 1 10W J 6 8k RRXAJB5Z0682 TRANSISTOR 25 2120 2 or QQS002SC2120 CHIP RES 110W JO Q RRXAJB5Z0000 TRANSISTOR 25 2120 2 QQSYO2SC2120 CHIP RES 1608 1 10W J 100 Q RRXAJB5Z0101 P TRANSISTOR 2SC2785 F or QQSF02SC2785 CHIP RES 1608 1 10W J 1k Q RRXAJB5Z0102 TRANSISTOR 2SC2785 H or QQSH02SC2785 CHIP RES 1608 1 10W J 390k RRXAJB5Z0394 TRANSISTOR 28C2785 J or QQSJ02SC2785 RRXAJB5Z0101 TRANSISTOR KTC3199 GR or NQS10KTC3199 CHIP RES 1608 1 10W J 100 Q RRXAJB5Z0101 TRANSISTOR KTC3198GR TO 92 or NQS40KTC3198 CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 TRANSISTOR 25 3331 or 2SC3331TZ CHIP RES 1608 1 10W J 10k Q RRXAJB5Z0103 TRANSISTOR 2 3331 U AANP or 2SC3331UZ
17. 1608 1 10W J 1kQ RRXAJB5Z0102 PCB JUMPER D0 6 P15 0 JW15 0T CHIP RES 1 10W JO Q RRXAJB5Z0000 PCB JUMPER D0 6 P5 0 JW5 0T CHIP RES 1 10W JO Q RRXAJB5Z0000 PCB JUMPER D0 6 P5 0 JW5 0T CARBON RES 1 4W J 270k Q or RCX4JATZ0274 B TITE SCREW 3X8 BIND CHROME or GBMB3080 CARBON RES 1 6W J 270k Q RCX6JATZ0274 B TITE SCREW 3X8 BIND CHROME GBMB3080 CHIP RES 1 10W JO Q RRXAJB5Z0000 THERMISTOR ZPB45BL7ROA QNZZ45BL7ROA SWITCHES REMOCON RECEIVE UNIT PIC 26042SR 2 or USESJRSKK032 REMOCON RECEIVE UNIT PIC 370428R USESJRSKK034 TACT SWITCH SKQSAB or SST0101AL038 SURGE ABSORBER AVR S07D471KAAS or QVQZOAVRSO7D TACT SWITCH KSMO0612B or 55 0101 003 VARISTOR ENC471D 07A or QVQZ0471D07A TACT SWITCH SKHHAM SST0101AL029 SURGE ABSORBER JVR 07N471K NVQZVRO7N471 TACT SWITCH SKQSAB or SST0101AL038 SAW FILTER SAF45MHA220ZL FBB456PMR002 TACT SWITCH 5 612 or 55 0101 003 13 6 FLYBACK TRANS BSC21 2602S LTFOOCPS2027 L1400EL Description Part No Description T 572 HORIZONTAL DRIVE TRANS LP2 004 LTHOOCPA5004 METAL OXIDE FILM RES 1W J 15k Q or RNO1153ZU001 T6014 SWITCHING TRANS KOF12F 0201 or LTTOOCPKT064 METAL RESISTOR 1W J 15k Q or RNO1153UB001 A SWITCHING TRANS SA 19L11 LTTOOCPSA084 METAL OXIDE FILM RES 1W J 1
18. 250 4 D 682 1 of 1307 10V AU A 2 5604 12K R683 SWITCHING 39 1W 1 7 3 MP 3 3 6 0 0 _ C683 80641 22 100 10V BEAD C687 i ZZ 100 10 7 6 7 7 L1400SCH A2 p65 2 01 01 24 13 05 L 301 T 158 9 137 0 C609 1000P 2KV BC691 BEAD L691 DEGAUSSING 5601 4 8 PS691 ZPB45BL 7ROA COIL C601 0 1 250V e jj o GP641 SA601 F601 FNR 63 10D AVR 50 0471KAA8 4 r3 5 a v 1 gt lt 1 7 8 CRT Position TRANSISTORS STORS M 4 M 4 M 4 L 4 L 4 MAIN 2 2 TRANSISTORS RANSISTORS 0671 12 l l Q681 H Q682 H H 5 5 2 2 Q676 1 4 5 4 5 K L K Q696 K K K K 2 5 2 1 2 1 Q683 1 1 4 4 4 2 1 L1400SCM2 CBA Top View CAUTION CAUTION E PEN FOR CONTINUED PROTECTION AGAINST FIRE HAZARD BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Forde used 2 REPI ACE ONLY WITH THE FUSE 215028 SUPPLY CIRCUIT AN ISOLATION TRANSFORMER MUST BE USED ain Fuse IS blown check to see that all components In the power supply ATTENTION POUR UNE PROTECTION NTINUE LES RISQE circuit are not defective before you connect the AC plug to the AC power supply D INCELE N UTILISER QUE DES FUSIBLE DE TYPE
19. EXT H Ext H OSD BLK Picture Shut Down Output N U Not Used OSD B Blue Output A MUTE H Audio Mute OSD G Green Output N U Not Used N U Not Used N U Not Used REMOCON Input For Remote Control SD Detection SD signal OSD R Signal Name IF IN 2 Red Output IC331 IF Video Chrominance Defletion Function IF INput 2 1kHz CHK Power Supply Protection IF VCC1 IF VCC 1 P ON L Output for P ON L Not Used IF VCC2 IF VCC 2 VCC 5V HLF Filter for CCD VHOLD VHOLD H VCO FB H VCO FB CVIN Input for Video Signal SCL SCL CV Vss GND FBP IN FBP Input XIN Input for Oscillator XOUT Output for Oscillator VSS GND VCC 5V N U Not Used N U Not Used RESET RESET PROTECT 1 Power Supply Protection PROTECT 2 Power Supply Protection KEY IN Key Input Main N U Not Used FACTORY Factort Key Input SDA I2C BUS Controller Interface Data 12 White Balance Adjustment Judgement SCL 12 5 Controller Interface Clock 10 1 H OUT H Output DEF GND 1 DEF GND 1 DEF GND 2 DEF GND 2 SDA SDA AFC FILTER 1 AFC Filter 1 INV FBP OUT INV FBP OUT P ON CTRL Power on Control Out
20. 1 1c333 BACKUP 1206 gt CHROMA 1 3 gt 1 1F AUDIO Ht AL 12V 1 L302 WIRE 0396 MTZJT 778 2B less cac 1 10 50V 188133 1 rir 1 ru1 UTUNNTUALO21 1 1 1 1 1 1 1 1 1 7 3 7 4 7 5 L1400SCM1 L1400SCH A2 p65 1 01 01 24 13 05 5 H4 H3 H2 H1 J4 J2 K1 M5 M1 N5 N4 N3 N2 N1 VIDEO SIGNAL gt gt gt gt Y gt gt 1 gt poa gt gt gt gt i 1 gt 1 1 1 1 jo a gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt L1400SCH A2 p65 2 01 01 24 13 07 2 2 amp CRT Schematic Diagram CAUTION CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD Fixed voltage power supply circuit is used in this unit REPLACE ONLY WITH THE SAME TYPE FUSE If Main Fuse F601 is blown check to see that all components in the power supply ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail 4A 125VN D INCELE N UTILISER QUE DES FUSIBLE DE MEMO TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole repr sente un fusible fusion rapide THERMAI T PROTE
21. ALSO IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT Otherwise it may cause some components in the power supply circuit to fail 4A 125VN RISK MARKER SLOWLY WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY Ce symbole repr sente un fusible fusion rapide CIRCUIT A VARIABLE ISOLATION TRANSFORMER 1 REQUIRED C692 AC601 4 1 F601 602 4A 125V FH601 01 gil 1 75216 fA O I 01 0102 Fu lI 798 4202 Emm POWER R613 FOCUS VR UPPER SIDE BC102 4 T SCREEN VR LOWER SIDE R107 EE S cH UP DTP300 GND OX 58103 CH DOWN 222202 8583 R557 BC641 J203 58104 VOL UP CNS71 J186 0 C584 VOL DOWN R597 N gt R584 m _ E elo gt R346 9111 citi Tc151 DTP302 P o0 e 92772 SER S 5 5 ap Lr VR661 R566 B NN ADJ lt lt Q 1 R 1 8 0 811 I gt X331 J 11 e 2 ES ES J119 small A 3 3 C344 ms 4 4 ale J206 lt ol of of cad qu 1 R826 zl zl s 212 LESS la I5 5 sa 4515 ta JK701 ST
22. AX X 3900pF 16V CDA1CKTOX392 CHIP CERAMIC CAP 0 01uF 50V CHD1JKB0B103 CHIP CERAMIC CAP 0 01uF 50V CHD1JKBOB103 ELECTROLYTIC CAP 0 47uF 50V M or CE1JMASTLR47 CHIP CERAMIC CAP B 0 047uF 50V or CHD1JKBOB473 ELECTROLYTIC CAP 0 47uF 50V M CE1JMASDLR47 CHIP CERAMIC CAP 0 0474F 25V CHD1EKBOB473 CHIP CERAMIC CH J 33pF 50V CHD1JJBCH330 CHIP CERAMIC CAP CH J 220pF 50V CHD1JJBCH221 CHIP CERAMIC CAP 0 01uF 50V CHD1JKB0B103 CHIP CERAMIC CAP CH J 220pF 50V CHD1JJBCH221 FILM CAP P 0 022uF 50V J or CMA1JJS00223 ELECTROLYTIC 14F 50V M or CE1JMASTL1RO FILM CAP P 0 022uF 50V J or CA1J223MS029 ELECTROLYTIC 14F 50V M or CE1JMASTLO10 FILM CAP P 0 022uF 50V J TV or CMB1JJS00223 ELECTROLYTIC CAP 1uF 50V M or CE1JMASDL1RO MYLAR 0 0224F 50V Mylar is a registered trademark of E I Du Pont de Nemours and Company 20001215 22502238 L1400EL Description CHIP RES 1 10W J 0 Q Part No RRXAJB5Z0000 Description CERAMIC CAP AX B 330pF 50V 14 31 CHIP CERAMIC F Z 0 1uF 25V CHD1EZBOF104 CERAMIC CAP AX 1000pF 50V CCA1JKTOB102 ELECTROLYTIC CAP 10 50 M or CE1JMASTL100 CERAMIC CAP 0 0047UF F CS or CCG2HMNOF472 ELECTROLYTIC CAP 10uF 50V CE1JMASDL100 SAFETY
23. CAP 4700pF 250V or CCG2EMA0F472 ELECTROLYTIC CAP 47 5 M or CE1GMASTL470 SAFETY CAP 4700pF 250V KH CCG2EMPOE472 ELECTROLYTIC CAP 47uF 35V CE1GMASDL470 CERAMIC CAP LB 220pF 2kV or CA3D221KG004 FILM CAP P 0 1uF 50V J or CMA1JJS001 04 CERAMIC CAP BN J 220pF 2kV CCD3DKA0B221 FILM CAP P 0 1uF 50V J or CA1J104MS029 ELECTROLYTIC CAP 14 50 M or CE1JMASTL1RO FILM CAP P 0 14F 50V J TV or CMB1JJS00104 ELECTROLYTIC CAP 1uF 50V M or CE1JMASTLO10 MYLAR CAP 0 1uF 50V K 22501045 ELECTROLYTIC CAP 1uF 50V M CE1JMASDL1RO ELECTROLYTIC CAP 100uF 35V or CE1GMASTL101 ELECTROLYTIC CAP 1uF 50V CE1JMASDLO10 ELECTROLYTIC CAP 100nF 35V CE1GMASDL101 ELECTROLYTIC CAP 100uF 160V M CE2CMZPTL101 ELECTROLYTIC CAP 2 2uF 50V M LL CE1JMASLL2R2 ELECTROLYTIC CAP 1000uF 35V M CE1GMZNTL102 ELECTROLYTIC CAP 1000 4 25 M or CE1EMZNTL102 ELECTROLYTIC CAP 1000uF 35V or CE1GMZNDL102 ELECTROLYTIC CAP 1000uF 25V M or CE1EMZPDL102 ELECTROLYTIC CAP 1000uF 35V M CE1GMZADL102 ELECTROLYTIC CAP 10004 25 CE1EMZADL102 ELECTROLYTIC CAP 3 3uF 50V M or CE1JMASTL3R3 ELECTROLYTIC CAP 1000uF 16V M VR HC or CE1CMZNTL102 ELECTROLYTIC CAP 3 34F 50V M CE1JMASDL3R3 ELECTROLYTIC CAP 1000uF 16V M or CE1CMZPDL102 PP CAP 0 47uF 250V J CT
24. CHIP RES 1608 1 10W J 100 CHIP RES 1608 1 10W J 2 7k Q RRXAJB5Z0272 TRANSISTOR 2SC1815 GR TPE2 QQS102SC1815 CHIP RES 110W JO Q RRXAJB5Z0000 3 TRANSISTOR 2SA1175 F or QQSF02SA1175 CHIP RES 1608 1 10W J 100 Q RRXAJB5Z0101 TRANSISTOR KTA1267 GR or NQS10KTA1267 CHIP RES 1608 1 10W J 6 8k RRXAJB5Z0682 TRANSISTOR KTA1266 GR or NQS40KTA1266 CARBON RES 1 4W J 2 2k Q or RCX4JATZ0222 TRANSISTOR 2SA1318 T AANP or 2SA1318TZ CARBON RES 1 6W J 2 2 RCX6JATZ0222 TRANSISTOR 2SA1318 U AANP or 2SA1318UZ CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 TRANSISTOR 28A1015 GR TPE2 QQS102SA1015 CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 A Q6 A A A A A A A Q6 A A A A A Q6 N o RES BUILT IN TRANSISTOR BA1F4M T or QQSZO0BA1F4M CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 RES BUILT IN TRANSISTOR KRC103M NQSZOKRC103M RRXAJB5Z0101 TRANSISTOR 2 2120 2 or QQS002SC2120 CHIP RES 1608 1 10W J 100 Q CHIP RES 1608 1 10W J 100 Q RRXAJB5Z0101 TRANSISTOR 25 2120 2 QQSYO2SC2120 CHIP RES 1608 1 10W J 100 Q RRXAJB5Z0101 TRANSISTOR 2 2120 2 or QQS002SC2120 PCB JUMPER D0 6 P5 0 JW5 0T TRANSISTOR 25 2120 2 QQSY02SC2120 CARBON RES 1 4W J 1k Q or RCX4JATZ0102 T
25. Description DIODE 155176 7 155176 DIODE 155176 7 155176 DIODE 1ZC33 or QDQZ0001ZC33 SWITCHING DIODE 155133 77 or 907200155133 ZENER DIODE RD33FB QDQZ000RD33F SWITCHING DIODE 1N4148 or NDTZ001N4148 SWITCHING DIODE 155133 77 or 907200155133 DIODE 155176 7 155176 SWITCHING DIODE 1N4148 NDTZ001N4148 SWITCHING DIODE 155133 77 or 907200155133 DIODE 155176 7 155176 SWITCHING DIODE 1N4148 NDTZ001N4148 SWITCHING DIODE 155133 77 or 907200155133 DIODE 155176 7 155176 SWITCHING DIODE 1N4148 NDTZ001N4148 SWITCHING DIODE 155133 77 or 907200155133 DIODE 155176 7 155176 SWITCHING DIODE 1N4148 or NDTZ001N4148 ZENER DIODE MTZJT 776 8B QDTBOMTZJ6R8 DIODE 155176 7 155176 ZENER DIODE MTZJT 7736B QDTBOOMTZJ36 ZENER DIODE MTZJT 775 6B or QDTBOMTZJ5R6 SWITCHING DIODE 155133 77 or 907200155133 ZENER DIODE 2 775 6 QDTAOMTZJ5R6 SWITCHING DIODE 1N4148 or NDTZ001N4148 ZENER DIODE MTZJT 778 2B QDTBOMTZJ8R2 DIODE 155176 7 155176 SWITCHING DIODE 155133 77 907200155133 SWITCHING DIODE 1SS133 T 77 907200155133 SWITCHING DIODE 14148 or NDTZ001N4148 SWITCHING DIODE 1N4148 or NDTZ001N4148 DIODE 155176 7 155176 DIODE 155176 7 155176 DI
26. RCX6JATZ0471 CHIP CERAMIC CAP CH J 270pF 50V CHD1JJBCH271 CARBON RES 1 4W J 470 or RCX4JATZ0471 CHIP CERAMIC CAP CH J 330pF 50V CHD1JJBCH331 CARBON RES 1 6W J 470 Q RCX6JATZ0471 ELECTROLYTIC CAP 47 16 M or CE1CMASTL470 CARBON RES 1 4W J 470 Q or RCX4JATZ0471 ELECTROLYTIC CAP 47uF 16V CE1CMASDL470 CARBON RES 1 6W J 470 RCX6JATZ0471 CERAMIC CAP 1000pF 2kV CCD3DKD0B102 CARBON RES 1 4W J 1 5k or RCX4JATZ0152 CERAMIC CAP 1000pF 2kV or CCDS3DKPOB102 CARBON RES 1 6W J 1 5k Q RCX6JATZ0152 CERAMIC CAP 1000pF 2kV CA3D102MR030 CARBON RES 1 4W J 1 5k or RCX4JATZ0152 CONNECTORS CARBON RES 1 6W J 1 5 RCX6JATZ0152 PIN CONNECTOR 005P 5100 JTEAO01TG001 MISCELLANEOUS COILS BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 INDUCTOR 180uH J 5FT or LLARJCSTU181 PARALLEL WIRE 3P WX1L1114 101 INDUCTOR 180hH K 5FT LLARKDSKA181 CRT SOCKET ISMS02S JSCC220PK003 TRANSISTORS PCB JUMPER D0 6 P10 0 JW10 0T TRANSISTOR 25 2482 TPE6 or QQSZ02SC2482 TRANSISTOR 2SC3468 E AE or QQSE02SC3468 TRANSISTOR 2SC3468 D AE or QQSD02SC3468 TRANSISTOR 28C2271 D AEMP or 250227107 TRANSISTOR 2 2271 QQSE028C2271 TRANSISTOR 25 2482 TPE6 or QQSZ02SC2482 TRANSISTOR 2SC34
27. Too crso2 hele 1 1 b fa cr C375 273 9 55 i tol C364 1 1 1 4 2 4114 C353 1 F CLE 0111 R35 9831 C822 C823 T 1 129916 A ae 3 e 20 CN801 D AUDIO E Bae INPUT amp BLOCK NO 80 NO 70X TP301 CN301 4101 4 CN 0111 b c5 DTP301 AGC 7 9 7 10 7 11 BL1400F01011 1 L1400CBA A2 p65 1 01 01 24 9 14 L1400CBA A2 p65 Main CBA Bottom View CAUTION Fixed voltage power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail II e 4 125 4 1 0 Wi RCV101 2021 F601 00 FH601 4A 125V FH502 f Ct e D R199 p m O F O elg 5 1 O z lu 2 5 NMOU 0 IMS 018 e 4n FOLMS 1 013 om o 2 5 m A 4 SHORT e ACTORY 1 4181 e e 21352 4175 m 2 6111 Live _ 808 m Xm lt 7m 29
28. on this chassis to protect both the technician and the customer Cor rectly replace all missing protective shields includ ing any removed for servicing convenience 2 When reinstalling the chassis and or other assembly in the cabinet be sure to put back in place all protective devices including but not limited to non metallic control knobs insulating fishpapers adjust ment and compartment covers shields and isola tion resistor capacitor networks Do not operate this instrument or permit it to be operated without all protective devices correctly in stalled and functioning Servicers who de feat safety features or fail to perform safety checks may be liable for any resulting dam age Be sure that there are no cabinet openings through which an adult or child might be able to insert their fingers and contact a hazardous voltage Such openings include but are not limited to 1 spacing between the picture tube and the cabinet mask 2 excessively wide cabinet ventilation slots and 3 an improperly fitted and or incorrectly secured cabinet back cover Antenna Cold Check With the instrument AC plug removed from any AC source connect an electrical jumper across the two AC plug prongs Place the instrument AC switch in the on position Connect one lead of an ohmmeter to the AC plug prongs tied together and touch the other ohmmeter lead in turn to each tuner antenna input exposed terminal screw and if applicable to the coa
29. or 55 0101 003 CHIP RES 1608 1 10W J 12k Q RRXAJB5Z0123 TACT SWITCH SKHHAM SST0101AL029 CHIP RES 1608 1 10W J 4 7k Q RRXAJB5Z0472 TACT SWITCH SKQSAB or SST0101AL038 METAL OXIDE FILM RES 2W J 15k or 02153 07 TACT SWITCH 0612 or 55 0101 003 METAL OXIDE FILM RES 2W J 15k RN02153ZU001 TACT SWITCH SKHHAM SST0101AL029 METAL RESISTOR 2W J 15k Q or RN02153UB001 TACT SWITCH SKQSAB or SST0101AL038 METAL OXIDE FILM RES 2W J 15k Q RN0O2153DP004 TACT SWITCH 0612 or 55 0101 003 PCB JUMPER D0 6 P5 0 JW5 0T TACT SWITCH SKHHAM SST0101AL029 METAL OXIDE FILM RES 1W J 56k or RNO1563KE009 TACT SWITCH SKQSAB or SST0101AL038 METAL OXIDE FILM RES 1W J 56k or RN01563ZU001 TACT SWITCH 0612 or 55 0101 003 METAL OXIDE RESISTOR 1W J 56 or RNO1563UB001 TACT SWITCH SKHHAM SST0101AL029 METAL OXIDE FILM RES 1W J 56k RNO1563DP003 CARBON RES 1 4W J 3 3k or RCX4JATZ0332 MISCELLANEOUS CARBON RES 1 6W J 3 3k Q RCX6JATZ0332 AC CORD LA 2366 or WAC0172LW006 CARBON RES 1 4W J 3 3k or RCX4JATZ0332 CORD WAC0172AS006 or 172 5006 CARBON RES 1 6W J 3 3k Q RCX6JATZ0332 AC CORD WAC0172LTE01 1721 CARBON RES 1 4W J 100k Q or 20104 HEAT SINK PFB ASSEMB
30. or FBE455PMRO03 CARBON RES 1 6W J 100 Q RCX6JATZO101 CERAMIC TRAP 4 5MHz FBE455PMS001 CARBON RES 1 4W J 10 Q or 20100 4 5M FILTER LTH4 5MCB FBB455PLNOO1 CARBON RES 1 6W J 10 RCX6JATZO100 CERAMIC FILTER SFSRA4MSO0CFOO BO or FBB455PMRO04 CARBON RES 1 4W J 15k Q or 20153 CERAMIC FILTER 4 5MHz FBB455PMS001 CARBON RES 1 6W J 15k RCX6JATZ0153 WIRE ASSY WX1L1100 102 WX1L1100 102 METAL OXIDE FILM RES 1W J 8 2 or RNO18R2ZU002 FUSE 4A 125V 237 TYPE or PAGJ20CAG402 METAL OXIDE FILM RES 1W J 8 2 or RNO18R2KE009 FUSE TDS4A125VU C PAGD20CW3402 METAL RESISTOR 1W J 8 2 Q RNO18R2UB001 FUSE HOLDER MSF 015 or XHO01ZOOLY001 CARBON RES 1 4W J 2 2k or RCX4JATZ0222 FUSE HOLDER FH V 03078 or 017000 001 CARBON RES 1 6W J 2 2k Q RCX6JATZ0222 HOLDER FUSE CNT41 0014 1790424 CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 FUSE HOLDER MSF 015 or 017001 001 CHIP RES 1608 1 10W J 15k Q RRXAJB5Z0153 FUSE HOLDER FH V 03078 or XH01Z00DK001 CHIP RES 1608 1 10W J 3 9k Q RRXAJB5Z0392 HOLDER FUSE CNT41 0014 1790424 CARBON RES 1 4W J 470k Q or 20474 GAP FNR G3 10D FAZOOOLD6005 CARBON RES 1 6W J 470k Q RCX6JATZ0474 PCB JUMPER D0 6 P7 5 JW7 5T CHIP RES
31. or wiring that appear to have overheated or are otherwise damaged should be replaced with components parts or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if necessary take corrective action to remove any potential safety hazard 8 Product Safety Notice Some electrical and mechanical parts have special safety related char acteristics which are often not evident from visual inspection nor can the protection they give neces sarily be obtained by replacing them with compo nents rated for higher voltage wattage etc Parts that have special safety characteristics are identified by a on schematics and in parts lists Use of a substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock fire and or other hazards The product s safety is under review continuously and new instructions are issued when ever appropriate Prior to shipment from the factory our products are strictly inspected to confirm they comply with the recognized product safety and elec trical codes of the countries in which they are to be sold However in order to maintain such compli ance it is equally important to implement the follow ing precautions when a set is being serviced SFTY_01 Precautions during Servicing A Parts identified by the symbol are critical for safety Replace only with part number specif
32. unit so that the value of TINT TNT becomes 60 V TINT V TNT 1 Press MENU button on the Service remote control unit Then select V TINT V TNT display 2 Press CH A V buttons on the Service remote control unit so that the value of V TINT V TNT becomes 60 SHARP SHARP 1 Press MENU button on the Service remote control unit Then select SHARP SHARP display 2 Press A V buttons on the Service remote control unit and select SHARP OFF Note BRIGHTdata value is no need to adjust at this moment 4 H fo Adjustment Purpose To get correct horizontal frequency Symptom of Misadjustment If H fo adjustment is in correct sqew distortion will appear on the screen Adj Point CH A Y button H ADJ MODE M EQ Frequency Counter Test Point TP302 Spec 15 734 kHz 300Hz Note TP302 Main CBA Use Service remote control unit 1 Connect Frequency Counter to TP302 and ground 2 Set the unit to the VIDEO mode which is located before CH2 and no input is necessary Enter the Service mode See Page 5 1 3 Operate the unit for at least 20 minutes 4 Press 2 button on the Service remote control unit and select H ADJ Mode By pressing 2 button the display will change from TV AGC to H ADJ 5 A V button on the Service remote control unit so that the display will change 0 7 At this moment Choose display one
33. 0 5V 20usec C 354 Minus Lead WF2 1DIV 0 5V 20usec IC 301 Pin 40 WF5 1DIV 2V 20usec Q 503 Base IEE LL AS EBIZEESEIAE isi Bi 1 45120412 WF6 1DIV 0 2V 20 IC 301 Pin 50 EH L WAVEFORMS 1DIV 2V 20usec Q501 Base i JE RRR SER WF4 1DIV 2V 20usec Q 502 Base WF7 1DIV 10V 20usec Q 572 Oollector mim Biz siwis m sas IL WF8 1DIV 5V 20usec Q 571 Base Input NTSC Color Bar Signal with 1kHz Audio Signal INITIAL POSITION Unplug unit from AC outlet for at least 5 minutes reconnect to AC outlet and then turn power on Brightness Center Color Center Tint Center Contrast Approx 70 misis 21111111 HIE 1 CICA BEEN WF9 10 200V 20usec CN 571 Pin 1 eis 11111111 mm ml La maa u GND minis mie WF10 1DIV 5V 20usec WH501A Pin 2 WF11 1DIV 2V 5msec IC 551 Pin 7 WF12 1DIV 10V 5msec CN 571 Pin 4 8 2 EST EE E BRE LI ther hal 1 1 11011111
34. 0 Q or RCX4JATZ0221 CARBON RES 1 4W J 8 2k Q or RCX4JATZ0822 CARBON RES 1 6W J 220 Q RCX6JATZ0221 CARBON RES 1 6W J 8 2k Q RCX6JATZ0822 CARBON RES 1 4W J 4 7 or RCX4JATZO04R7 CARBON RES 1 4W J 47k Q or RCX4JATZ0473 CARBON RES 1 6W J 4 7 Q RCX6JATZOAR7 CARBON RES 1 6W J 47k RCX6JATZ0473 CARBON RES 1 4W J 1 or RCX4JATZO1RO CHIP RES 1608 1 10W J 22k Q RRXAJB5Z0223 CARBON RES 1 6W J 12 RCX6JATZO1RO CEMENT RES 5W K 1 2 Q or RW051R2DP005 CARBON RES 1 4W J 1 or RCX4JATZO1RO CEMENT RESISTOR 5W 1 2 or RW051R2PG001 CARBON RES 1 6W J 1 Q RCX6JATZO1RO CEMENT RESISTOR SQZ05S1R2J or RWO051R2Y4001 CARBON RES 1 4W J 3 9 or RCX4JATZO3R9 CEMENT RES 3W J 1 2 Q RW031R2PG007 CARBON RES 1 6W J 3 9 Q RCX6JATZO3R9 CARBON RES 1 4W J 820k Q or RCX4JATZ0824 CARBON RES 1 4W J 1k Q or 20102 CARBON RES 1 6W J 820k RCX6JATZ0824 CARBON RES 1 6W J 1k RCX6JATZ0102 CARBON RES 1 4W J 820k Q or RCX4JATZ0824 CARBON RES 1 4W J 1k Q or 20102 CARBON RES 1 6W J 820 RCX6JATZ0824 CARBON RES 1 6W J 1k Q RCX6JATZ0102 CARBON RES 1 4W J 270 or RCX4JATZ0271 CARBON RES 1 4W J 3 3k or RCX4JATZ0332 CARBON RES 1 6W J 270 Q RCX6JATZ0271 CARBON RES 1 6W J 3 3k Q RCX6JATZ0332 CARBON RES 1 4W J 270 or R
35. 0ZQS004 improper servicing CRT TYPE 2 Description Part No V501A CRT A48LGS30X TCRT190THAO FRONT CABINET ASSEMBLY 0 201365 V501 1 JH225 014 XM04000BV009 FRONT CABINET 0 000479 V501 2 WEDGE FT 00110W or XV10000T4001 CONTROL PLATE 201336 WEDGE DB25SR XV10000D9001 REAR CABINET ASSEMBLY 0EM201366 L551A DEFLECTION YOKE KDY3MCB20X or LLBY00ZMS016 REAR CABINET 0 000482 DEFLECTION YOKE 330P510A37 LLBYOOZTHAO1 RATING LABEL 0EM406037 TENSION SPRING B0080B0 EM40808 26WHO006 CRT MOUNTING SCREW B0030U1 K42419 8A00083 CRTA48LRH93X W TCRT190P7002 PCB HOLDER 0EM301429 V501 1 C P MAGNET JH225 014 XMO04000BV009 SPEAKER HOLDER 406026 V501 2 WEDGE FT 00110W or XV10000T4001 DEGAUSS HOLDER 0 404845 WEDGE DB25SR XV10000D9001 AC CORD HOLDER CEM466104 L551 DEFLECTION YOKE CDY M2023F LLBY00ZQS005 GOT ashes DENSE DEFLECTION YOKE LLBYOOZSY007 LLBYOOZSY007 CLOTH 10X30XT1 0 0EM405137 ee SCREW P TIGHT 4X18 BIND HEAD GBMP4180 Table 1 V501 and L551 Combina SCREW TAPPING MAX14 DBU14140 SCREW P TIGHT 3X12 BIND HEAD GBMP3120 tion PACKING Note 1 Purity and Convergence Adjustments must be SARTON performed following CRT replacement Refer to Electri See cal Adjustment Instructions STYRFOAM TOP 0EM000488 SET SHEET 1000X1700 0EM402178 Note2 Please confirm CRT Type No on the CRT SERIAL NO LABEL 406038 Warning Label which is located on the CRT Then See HOLD PAD 0
36. 10k RRXAJB5Z0103 LINE FILTER 5 0MH 6Y075 or LLBGOOZKT004 CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 LINE FILTER LFOOS or LLBGOOZLHOO1 CARBON RES 1 4W J 100 or 20101 LINE FILTER UU10 5 A LLBGOOZY2008 CARBON RES 1 6W J 100 Q RCX6JATZO101 LINE FILTER SA 91213B LLBGOOZSA002 CHIP RES 1608 1 10W J 4 7k Q RRXAJB5Z0472 CHOKE COIL 47uH K or LLBDOOPkV004 CHIP RES 1608 1 10W J 4 7 RRXAJB5Z0472 POT COIL 47uH or LLBD DMMOO 1 CHIP RES 1608 1 10W J 4 7k RRXAJB5Z0472 POT COIL 47uH LLBDOODQE001 CHIP RES 1608 1 10W J 4 7k Q RRXAJB5Z0472 TRANSISTORS CHIP RES 1608 1 10W J 1 5k Q RRXAJB5Z0152 TRANSISTOR 2SC2785 F or QQSF02SC2785 CHIP RES 1608 1 10W J 1 5k Q RRXAJB5Z0152 TRANSISTOR 2SC2785 H or QQSH02SC2785 RRXAJB5Z0152 TRANSISTOR 28C2785 J or QQSJ02SC2785 CHIP RES 1608 1 10W J 3 3k RRXAJB5Z0332 TRANSISTOR KTC3199 GR or NQS10KTC3199 CHIP RES 1608 1 10W J 3 3k RRXAJB5Z0332 TRANSISTOR KTC3198GR TO 92 or NQS40KTC3198 CHIP RES 1608 1 10W J 3 3k RRXAJB5Z0332 TRANSISTOR 2 3331 or 2SC3331TZ CHIP RES 1608 1 10W J 4 7k Q RRXAJB5Z0472 TRANSISTOR 25 3331 0 or 2SC3331UZ 1608 1608 1608 1608 1608 CHIP RES 1608 1 10W J 1 5k Q 1608 1608 1608 1608
37. 2E474MS041 ELECTROLYTIC CAP 1000uF 16V CE1CMZADL102 CAP 0 47 200 J or CA2D474KF002 CERAMIC CAP AX Z 0 01uF 25V CDA1EZTOF103 0 47uF 200 J CA2D474VC012 ELECTROLYTIC CAP 1uF 50V M or CE1JMASTL1RO ELECTROLYTIC CAP 4 7uF 250V M or CE2EMASTL4R7 ELECTROLYTIC CAP 1uF 50V M or CE1JMASTLO10 ELECTROLYTIC CAP 4 7uF 250V M CE2EMASDLAR7 ELECTROLYTIC CAP 1 50 M or CE1JMASDL1RO ELECTROLYTIC CAP 47uF 35V M or CE1GMASTL470 ELECTROLYTIC CAP 1uF 50V CE1JMASDLO10 ELECTROLYTIC CAP 47uF 35V CE1GMASDL470 ELECTROLYTIC CAP 100uF 10V M or CE1AMASTL101 FILM CAP P 0 01uF 50V J or CMA1JJS00103 ELECTROLYTIC CAP 100uF 10V CE1AMASDL101 FILM CAP P 0 01uF 50V J or CA1J103MS029 ELECTROLYTIC CAP 100uF 10V M or CE1AMASTL101 FILM CAP P 0 01uF 50V J TV or CMB14JJS00103 ELECTROLYTIC CAP 100uF 10V CE1AMASDL 101 MYLAR CAP 0 014F 50V 22501035 ELECTROLYTIC CAP 100uF 10V M CE1AMASTL101 PP CAP 0 01uF 1 6kV J or CT3C103MS039 ELECTROLYTIC CAP 100uF 10V CE1AMASDL 101 CAP 0 01uF 1 6kV J or CBH3CJQ00103 ELECTROLYTIC CAP S3uF 16V M or CE1CMASTL330 0 01uF 1 6kV J 103 011 ELECTROLYTIC CAP 33uF 16V CE1CMASDL330 CERAMIC CAP LB 1500pF 2kV CA3D152KG004 ELECTR
38. 5176 7 155176 ICS ZENER DIODE MTZJT 7736B QDTBOOMTZJ36 IC M37272M8H 200FP QSZAAOSMBO 13 ZENER DIODE MTZJT 776 8B QDTBOMTZJ6R8 IC MEMORY AT24C01A 10SC or NSMMAOSAZ011 DIODE 1N5397 B NDLZ001N5397 IC EEPROM 24 01 6 or 5 0555027 RECTIFIER DIODE 12 06 QDQZOERB1206 IC MEMORY BR24C01AF W QSMBAOSRMO002 DIODE 1N5397 B or NDLZ001N5397 IC MEMORY BR24C01AF QSMMAOSRMO002 RECTIFIER DIODE ERB12 06 QDQZOERB1206 IC CHROMA IF 1 CHIP M61203CFP QSBBCORMBOO 1 DIODE 1N5397 B or NDLZ001N5397 VERTICAL OUTPUT IC LA78040A or QSBBAOSSY003 RECTIFIER DIODE ERB12 06 QDQZOERB1206 VERTICAL OUTPUT IC AN5522 QSZBAOSMS002 DIODE 1N5397 B or NDLZ001N5397 PHOTO COUPLER PF5001 B C or QPE300PF5001 RECTIFIER DIODE ERB12 06 QDQZOERB1206 PHOTOCOUPLER LTV 817B F or NPEBOLTV817F ZENER DIODE MTZJT 7715B QDTBOOMTZJ15 PHOTOCOUPLER LTV 817C F NPECOLTV817F ZENER DIODE MTZJT 7715B QDTBOOMTZJ15 AUDIO AMP LA4524L QSBLAOSSY087 SWITCHING DIODE 1N4148 T 77 QDTZ001N4148 COILS ZENER DIODE MTZJT 773 0B QDTBOMTZJ3RO INDUCTOR 22uH K 5FT or LLARKBSTU220 SWITCHING DIODE 155133 77 or 907200155133 INDUCTOR 22uH K LLARKDQKA220 SWITCHING DIODE 1N4148 or NDTZ001N4148 INDUCTOR 0 474H J 26T or LLAXJATTUR47
39. 5k Q RNO1153DP003 TP 300 PCB JUMPER DO 6 P12 5 JW12 5T CARBON RES 1 4W J 1 5 or RCX4JATZ0152 TP 301 PCB JUMPER DO 6 P15 0 JW15 0T CARBON RES 1 6W J 1 5 RCX6JATZ0152 TP 601 PCB JUMPER DO 6 P12 5 JW12 5T CARBON RES 1 4W J 1 5 Q or RCX4JATZ0152 TU1 TUNER UNIT TEDH9 203B UTUNNTUALO 1 CARBON RES 1 6W J 1 5k RCX6JATZ0152 VR 661 30k Q B or VRCB303KA011 CARBON RES 1 4W J 1 5 Q or RCX4JATZ0152 A CARBON P O T 30k OB VRCB303HH014 CARBON RES 1 6W J 1 5 RCX6JATZ0152 X 101 CERAMIC RESONATOR KBR 8 0MKC or FY0805PKC002 CARBON RES 1 4W J 1 5 Q or RCX4JATZ0152 CERAMIC RESONATOR 0800 03 or FYLB05PMROO 1 CARBON RES 1 6W J 1 5 RCX6JATZ0152 CERAMIC RESONATOR ZTT 8 00MHz or FY0805PLNO001 CHIP RES 1608 1 10W J 33 Q RRXAJB5Z0330 CERAMIC RESONATOR FCR8 0MC FY0805PTE001 CHIP RES 1608 1 10W J 33 Q RRXAJB5Z0330 X 331 3 579545 MHz FXD355LLNOOS CHIP RES 1608 1 10W J 33 Q RRXAJB5Z0330 CARBON RES 1 4W J 3 3k or RCX4JATZ0332 CARBON RES 1 6W J 3 3k Q RCX6JATZ0332 Description CRT CBA Consist of the following Part No CARBON RES 1 4W J 3 3k Q or RCX4JATZ0332 CARBON RES 1 6W J 3 3k RCX6JATZ0332 CARBON RES 1 4W J 3 3k Q or RCX4JATZ0332 CARBON RES 1 6W J 3 3k RCX6JATZ0332 CAPACITORS CARBON RES 1 4W J 470 or 20471 CHIP CERAMIC CAP J 330pF 50V CHD1JJBCH331 CARBON RES 1 6W J 470
40. 6 Press No 4 button on the service remote control unit for Red adjustment Press NO 5 button on the Service remote control unit for Blue adjustment 7 each color mode Press CH A Y button to adjust the values of color 8 Adjusting Red and Blue color so that the tempreture becomes 9200K x 286 y 294 3 9 At this time Re check that Horizontal line is white If not Re adjust Cut off Adjustment until the Hori zontal Line becomes pure white 10 Turn off and on again to return to normal mode Receive APL 10096 white signal and Check Chroma temperatures become 9200K x 286 y 294 1396 Note Confirm that Cut Off Adj is correct after this adjustment and attempt Cut Off Adj if needed 5 5 L1400EA 14 Sub Brightness Adjustment Purpose To get proper brightness Symptom of Misadjustment If Sub Brightness is in correct proper brightness cannot be obtained by adjust ing the Brightness Control Test Point Adj Point CH A buttons RF IQW Tape M EQ Spec Pattern Generator See below Mode Input Black This bar just 1 visible Fig 4 Note IQW Setup level 7 5 IRE Use Service remote control unit 1 Enter the Service mode See page 5 1 Then input IQW signal from RF Input 2 Press MENU button on the Service remote control unit and Select mode Display changes BRT
41. 68 E AE or QQSE02SC3468 TRANSISTOR 2SC3468 D AE or QQSD02SC3468 D TRANSISTOR 28C2271 D AEMP 25 227102 TRANSISTOR 25 2271 QQSE028C2271 TRANSISTOR 2 2482 or QQSZ02SC2482 TRANSISTOR 2SC3468 E AE or QQSE02SC3468 QQSD02SC3468 TRANSISTOR 2SC3468 D AE or TRANSISTOR 28C2271 D AEMP or 25 227102 TRANSISTOR 2 2271 QQSE028C2271 RESISTORS FIXED METAL OXIDE FILM RES 1W J 15k Q or RNO1153KE007 METAL OXIDE FILM RES 1W J 15k Q or RNO1153ZU001 METAL RESISTOR 1W J 15k Q or 011530 001 METAL OXIDE FILM RES 1W J 15k Q RNO1153DP003 FIXED METAL OXIDE FILM RES 1W J 15k Q or RNO1153KE007 METAL OXIDE FILM RES 1W J 15k Q or RNO1153ZU001 METAL RESISTOR 1W J 15k Q or 011530 001 METAL OXIDE FILM RES 1W J 15k Q RNO1153DP003 20001215 FIXED METAL OXIDE FILM RES 1W J 15k Q or RNO1153KE007 PCB JUMPER D0 6 P10 0 JW10 0T L1400EL Printed in Japan 2001 01 31 HO 961715 VhnOOFTL1
42. AP CH J 100pF 50V CHIP CERAMIC CAP CH J 220 50 ELECTROLYTIC CAP 4 7uF 50V M or ELECTROLYTIC CAP 4 7uF 50V CHIP CERAMIC CAP F Z 0 1uF 25V ELECTROLYTIC CAP 47uF 16V M or ELECTROLYTIC CAP 47uF 16V M CE1AMASTL101 CE1AMASDL101 CE1JMASTL4R7 CE1JMASDLAR7 CHD1JKBOB103 CE1CMASTL470 CE1CMASDL470 CE1AMASTL101 CE1AMASDL101 CHD1JJBCH470 CCA1JKTOB221 CHD1JJBCH101 CHD1JJBCH221 CE1JMASTLAR7 CE1JMASDLAR7 CHD1EZBOF104 CE1CMASTL470 CE1CMASDL470 ELECTROLYTIC CAP 1uF 50V M CE1JMASDL1RO ELECTROLYTIC CAP 1uF 50V CE1JMASDLO10 ELECTROLYTIC 1 50 M or CE1JMASTL1RO ELECTROLYTIC CAP 1uF 50V M or CE1JMASTLO10 ELECTROLYTIC CAP 1 50 M or CE1JMASDL1RO ELECTROLYTIC CAP 1 50 CE1JMASDLO10 CERAMIC B 0 015uF 50V CA1J153TU011 ELECTROLYTIC CAP 0 47uF 50V M or CE1JMASTLR47 ELECTROLYTIC CAP 0 47uF 50V M CE1JMASDLR47 CERAMIC CAP AX Z 0 14F 50V or CA1J104TU014 CERAMIC Z 0 1uF 50V CCA1JZTOF104 ELECTROLYTIC CAP 470uF 10V M or CE1AMASTL471 ELECTROLYTIC CAP 470uF 10V CE1AMASDL471 CHIP CERAMIC 0 047uF 50V or CHD1JKB0B473 CHIP CERAMIC CAP 0 047uF 25V CHD1EKB0B473 CHIP CERAMIC CAP J 270pF 50V CHD1JJBCH271 ELECTROLYTIC CAP 2 2uF 50V M LL CE1JMASLL2R2 CERAMIC CAP
43. B 1 5 5P or J3RTCO05JG001 CERAMIC CAP B 1000pF 2kV CAS3D102MR030 CONNECTOR BASE 5P W P3005 02 1730812 ELECTROLYTIC CAP 220uF 200V or CA2D221NC088 CONNECTOR BASE 2P TV 50P 02 V3 or J3TVC02TG002 ELECTROLYTIC CAP 220uF 200V SL X 2022156003 CONNECTOR 2P RTB 1 5 2P J3RTC02JG001 FILM CAP P 0 047uF 50V J or CMA1JJS00473 FILM CAP P 0 047uF 50V J or CA1J473MS029 STRAIGHT CONNECTOR BASE 00 8283 0212 00 000 or J383C02UG002 FILM CAP P 0 047uF 50V J TV or CMB1JJS00473 STRAIGHT PIN HEADER 2P 173981 2 1770258 MYLAR CAP 0 047uF 50V 22504738 DIODES CERAMIC CAP LB 330pF 2kV or CA3D331KG004 ZENER DIODE MTZJT 775 6B QDTBOMTZJ5R6 CERAMIC CAP BN 330pF 2kV CCD3DKA0B331 ZENER DIODE MTZJT 775 6B QDTBOMTZJ5R6 CERAMIC CAP AX 560pF 50V CCA1JKTOB561 ZENER DIODE MTZJT 775 6B QDTBOMTZJ5R6 FILM CAP P 0 056uF 50V J CMA1JJS00563 SWITCHING DIODE 155133 77 or 907200155133 FILM CAP P 0 056uF 50V J or CA1J563MS029 SWITCHING DIODE 1N4148 or NDTZ001N4148 FILM 0 056uF 50V J TV or CMB1JJS00563 DIODE 155176 7 155176 MYLAR 0 0564F 50V 22505635 13 2 SWITCHING DIODE 155133 77 907200155133 L1400EL Description SWITCHING DIODE 1N4148 or Part No NDTZ001N4148
44. Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semiconductors with your clothing ncorrect gt Correct Grounding Band 1MQ 777 Conductive Sheet or Copper Plate SFTY_08 CABINET DISASSEMBLY INSTRUCTIONS 1 Disassembly Flowchart This flowchart indicates the disassembly steps for the cabinet parts and the CBA in order to gain access to item s to be serviced When reassembling follow the steps in reverse order Bend route and dress the cables as they were Caution When removing the CRT be sure to discharge the Anode Lead of the CRT with the CRT Ground Wire before removing the Anode Cap 1 Rear Cabinet 2 CRT CBA 3 Main CBA 2 Disassembly Method Removal Remove unlock release unplug unclamp desolder Rear Cabinet CRT CBA Main CBA 5 S 1 S 3 CN501 CN571 4 S 2 Anode Cap 4 1 Note Order of steps in procedure When reassembling follow the steps in reverse order These numbers are also used as the Identification location No of parts in figures 2 Parts to be removed or installed Fig No showing procedure of part location Identification of part to be removed unhooked un locked released unplugged unclamped or desoldered S Screw P Spring L Locking Tab CN Con nector Unhook Unlock Release Unpl
45. CTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER SUPPLY CIRCUIT AN ISOLATION TRANSFORMER MUST BE USED ALSO IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT SLOWLY WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY CIRCUIT A VARIABLE ISOLATION TRANSFORMER IS REQUIRED NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal WH50 1B 501 180uH BLUE R506 H508 1 5K 1 5K ew ANY JK501 15 5025 P502 a3 wE13 88684898 BLUE 124 1 2 2 0502 2502482 GREEN 2 me 2 CLN551 GND WIRE WE4 Q50 4 GR RED 1250 2 C5 WF3 2 0 5705 p512 195155 basis 33 53 3KS 5470 5011 330P F R511 48214 R51 BC501 C504 BEAD 5
46. CX4JATZ0271 CARBON RES 1 4W J 3 3k or RCX4JATZ0332 CARBON RES 1 6W J 270 RCX6JATZ0271 CARBON RES 1 6W J 3 3k Q RCX6JATZ0332 CHIP RES 1608 1 10W J 470 RRXAJB5Z0471 FIXED METAL OXIDE FILM RES 2W J 0 33 Q or RNO02JZQZORS3 CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 METAL OXIDE FILM RES 2W J 0 33 or 0283320001 CHIP RES 1608 1 10W J 22k RRXAJB5Z0223 METAL RES 2W J 0 33 Q RNO2JZPZOR33 CHIP RES 1608 1 10W J 56k RRXAJB5Z0563 CARBON RES 1 4W J 47 or RCX4JATZ0470 CARBON RES 1 4W J 3 3 Q or RCX4JATZO3R3 CARBON RES 1 6W J 47 RCX6JATZ0470 CARBON RES 1 6W J 3 3 Q RCX6JATZO3R3 CARBON RES 1 4W J 10k Q or RCX4JATZ0103 CARBON RES 1 4W J 3 3 Q or RCX4JATZO3R3 CARBON RES 1 6W J 10k RCX6JATZ0103 CARBON RES 1 6W J 3 3 Q RCX6JATZO3R3 CARBON RES 1 4W J 1 5k Q or RCX4JATZ0152 CHIP RES 1608 1 10W J 6 8k Q RRXAJB5Z0682 CARBON RES 1 6W J 1 5k Q RCX6JATZ0152 FIXED METAL OXIDE FILM RES 2W J 1 5 or 02152 07 CARBON RES 1 4W J 3 3k Q or RCX4JATZ0332 CARBON RES 1 6W J 3 3k RCX6JATZ0332 METAL OXIDE FILM RES 2W J 1 5k or RN02152ZU001 CARBON RES 1 4W J 330 Q or RCX4JATZ0331 METAL RESISTOR 2W J 1 5 Q or RN02152UB001 CARBON RES 1 6W J 3300 RCX6JATZ0331 METAL OXIDE FILM RES 2W J 1 5
47. DEO SYSTEM CONTROL SDA o BLOCK TU AUDIO FROM IF VIDEO SYSTEM CONTROL BLOCK BACK UP W BUS CONTROL FM DET 1 801 POWER ON CONTROL REGULATOR OUTPUT On A IF VIDEO SYSTEM CONTROL RESET BLOCK BACKUP CTRL 8V CTRL TO POWER SUPPLY BLOCK 5V CTRL2 5V CTRL SP801 SPEAKER L1400BLA Block Diagram m VIDEO siGNAL MAIN CBA THERMAL L551 D Y i PROTECTION de V DRIVEo gt 2 DRIVE PROTECT oe i V RAMP NFo JU 3 uH FROM TO IF VIDEO 1 7 DRIVE SYSTEM CONTROL A Linee BLOCK ae CN571 1 H DRIVEo H DRIVE 2 4 7 t FROM POWER DEF Bo gt SUPPLY BLOCK 8 W gt LI 1571 FOCUSVR a s ANODE LI 1 a C M i 9 FOCUS SCREEN
48. DIODE 155176 7 155176 INDUCTOR 0 47uH K 26T LLAXKATTUR47 RECTIFIER DIODE 15DF4 or QDQZ00015DF4 INDUCTOR 0 82uH J 26T LLAXJATTUR82 RECOVERY DIODE ERC18 04 or QDZZOERC1804 INDUCTOR 22uH K 5FT or LLARKBSTU220 FAST RECOVERY DIODE ERC25 06 QDQZOERC2506 INDUCTOR 22uH K LLARKDQKA220 DIODE FR154 or NDLZOOOFR154 INDUCTOR 22uH J 26T or LLAXJATTU220 FAST RECOVERY DIODE ERB44 02 QDPZOERB4402 INDUCTOR 22uH K 26T LLAXKDTKA220 DIODE FR154 or NDLZOOOFR154 PCB JUMPER D0 6 P5 0 JW5 0T FAST RECOVERY DIODE ERB44 02 QDPZOERB4402 INDUCTOR 1 0hH K 26T or LLAXKATTU1RO SWITCHING DIODE 155133 77 or 907200155133 INDUCTOR 1 04H K 26T LLAXKDTKA1RO SWITCHING DIODE 1N4148 or NDTZ001N4148 13 3 INDUCTOR 100uH K 5FT or LLARKBSTU101 L1400EL Description INDUCTOR 100uH K Part No LLARKDQKA101 Description CHIP RES 1608 1 10W J 2 2k Q RRXAJB5Z0222 INDUCTOR 10hH J 26T or LLAXJATTU100 CHIP RES 1608 1 10W J 1 8k Q RRXAJB5Z0182 INDUCTOR 10hH K 26T LLAXKDTKA100 CHIP RES 1608 1 10W J 3 3k Q RRXAJB5Z0332 INDUCTOR 2 2 9 26 or LLAXJATTU2R2 CHIP RES 1608 1 10W J 4 7k Q RRXAJB5Z0472 INDUCTOR 2 2uH K 26T LLAXKDTKA2R2 CHIP RES 1608 1 10W J 8 2k RRXAJB5Z0822 LINE FILTER TLF12UA302W1RO or LLBGOOZTU025 CHIP RES 1608 1 10W J
49. EO OUT Video Out IF GND 1 GND 1 IF GND 2 GND 2 AFT OUT AFT Out QIF IN QIF Input Not Used RF AGC OUT RF AGC Out IF AGC FILTER 1 Filter for IF AGC IF IN 1 IF Input 1 L1400PIN EXPLODED VIEWS Cabinet SHINWHA TAPE SGT 730 BLACK Details for L551 and surrounding parts SHINWHA TAPE SGT 730 WHITE ANODE CAP Part of Flyback Transformer B 11 A 1 SCOTCH j TAPE 880 SCOTCH TAPE 880 CLN801 B2 SCOTCH 880 11 2 L1400CEX Packing 58 Some Ref Numbers are not in sequence Ross X4 x 3 9 PACKING TAPE 4 5 1 419 only lt S 1 except for F419TB A H ss 11 3 L1400PEX MECHANICAL PARTS LIST PRODUCT SAFETY NOTE Products marked with a Description Part No have special characteristics important to safety WEDGE DB25SR XV10000D9001 Before replacing any of these components read care i sia DEFLECTION YOKE or LLBYOOZMSO13 fully the product safety notice in this service manual DEFLECTION YOKE LLBYOOZSYOOG or LLBYOOZSY006 Don t degrade the safety of the product through DEFLECTION YOKE CDY M2019F LLBY0
50. ES 1 4W J 220 Q or RCX4JATZ0221 CARBON RES 1 6W J 1k RCX6JATZ0102 CARBON RES 1 6W J 220 Q RCX6JATZ0221 PCB JUMPER D0 6 P5 0 JW5 0T PCB JUMPER D0 6 P5 0 JW5 0T FIXED METAL OXIDE FILM RES 2W J 3 9 or RN02JZQZO3R9 PCB JUMPER D0 6 P5 0 JW5 0T FIXED METAL OXIDE FILM RES 2W J 3 9 or RNO2JZPZOSR9 CHIP RES 1608 1 10W J 82 Q RRXAJB5Z0820 METAL OXIDE FILM RES 2W J 3 9 Q RNO23R9ZUOO1 CHIP RES 1 10W JO RRXAJB5Z0000 CARBON RES 1 4W J 1k or RCX4JATZ0102 CHIP RES 1608 1 10W J 10M Q RRXAJB5Z0106 CARBON RES 1 6W J 1k RCX6JATZ0102 CHIP RES 1608 1 10W J 15k Q RRXAJB5Z0153 CARBON RES 1 4W J 100k Q or RCX4JATZ0104 CHIP RES 1608 1 10W J 470 RRXAJB5Z0471 CARBON RES 1 6W J 100k RCX6JATZ0104 CHIP RES 1608 1 10W J 390 RRXAJB5Z0391 CARBON RES 1 4W J 100k Q or RCX4JATZ0104 RRXAJB5Z0101 CARBON RES 1 6W J 100k RCX6JATZ0104 CHIP RES 1608 1 10W J 100 RRXAJB5Z0101 CHIP RES 1608 1 10W J 180k Q RRXAJB5Z01 84 CHIP RES 1608 1 10W J 100 CHIP RES 1608 1 10W J 1 RRXAJB5Z0102 CHIP RES 1608 1 10W J 100k Q RRXAJB5Z01 04 CARBON RES 1 4W J 220 Q or RCX4JATZ0221 CHIP RES 1608 1 10W J 68k Q RRXAJB5Z0683 CARBON RES 1 6W J 220 RCX6JATZ0221 CHIP RES 1608 1 10W J 100k Q RRXAJB5Z01 04 CARBON RES 1 4W J 22
51. LY 0 406029 CARBON RES 1 6W J 100 RCX6JATZ0104 HEAT SINK PFA 0 406027 CARBON RES 1 4W J 10k or 20103 CLOTH 65 L7735TR 65X10X0 5T 0 402149 CARBON RES 1 6W J 10 RCX6JATZ0103 BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 CARBON RES 1 4W J 12 Q or 20120 BEAD INDUCTORS FBAO4HA600VB 00 LLBFOOSTU026 CARBON RES 1 6W J 12 RCX6JATZ0120 BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 FIXED METAL OXIDE FILM RES 1W J 33 Q or RNO1330KE007 BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 METAL OXIDE FILM RES 1W J 33 Q or 0133071 001 BEAD INDUCTORS 121 00 LLBFOOZTU021 METAL RES 1W J 33 Q or 013300 001 BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 METAL OXIDE FILM RES 1W J 33 RNO1330DP003 BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 FIXED METAL OXIDE FILM RES 1W J 39 Q or RNO1390KE007 BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 METAL OXIDE FILM RES 1W J 39 Q or RNO1390ZU001 BEAD INDUCTORS FBRO7HA121TB 00 LLBFOOZTU021 FIXED METAL OXIDE FILM RES 1W J 39 Q or RNO1390UB001 BEAD INDUCTORS 121 00 LLBFOOZTU021 METAL OXIDE FILM RES 1W J 39 RNO1390DP003 4 5M TRAP 4 5 2 or FBE455PLNOO1 CARBON RES 1 4W J 100 Q or RCXAJATZO101 CERAMIC TRAP 4 5MHz
52. Lift each lead of the flat pack IC upward one by one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 Fig S 1 4 Soldering 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using tweez ers Fig S 1 6 With Iron Wire 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 5 Release the flat pack IC from the CBA using tweez ers Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When th
53. ODE 1N5397 B NDLZ001N5397 SWITCHING DIODE 155133 77 or 907200155133 RECTIFIER DIODE ERB12 06 QDQZOERB1206 SWITCHING DIODE 1N4148 or NDTZ001N4148 SWITCHING DIODE 155133 77 or 907200155133 DIODE 155176 7 155176 SWITCHING DIODE 1N4148 NDTZ001N4148 ZENER DIODE MTZJT 775 6B QDTBOMTZJ5R6 DIODE 155176 7 155176 SWITCHING DIODE 1SS133 T 77 or 907200155133 ZENER DIODE MTZJT 7720B QDTBOOMTZJ20 SWITCHING DIODE 1N4148 or NDTZ001N4148 DIODE FR104 B or NDLZOOOFR104 DIODE 155176 7 155176 RECTIFIER DIODE ERA22 02 QDPZOERA2202 SWITCHING DIODE 155133 77 or 907200155133 RECTIFIER DIODE 10ELS2 QDQZ0010ELS2 SWITCHING DIODE 1N4148 or NDTZ001N4148 DIODE FR104 B or NDLZOOOFR104 DIODE 155176 7 155176 RECTIFIER DIODE 22 02 or QDPZOERA2202 SWITCHING DIODE 155133 77 or 907200155133 RECTIFIER DIODE 10ELS2 QDQZ0010ELS2 SWITCHING DIODE 1N4148 or NDTZ001N4148 DIODE FR104 B or NDLZOOOFR104 DIODE 155176 7 155176 RECTIFIER DIODE ERA22 02 or QDPZOERA2202 SWITCHING DIODE 155133 77 or 907200155133 RECTIFIER DIODE 10ELS2 QDQZO0010ELS2 SWITCHING DIODE 1N4148 or NDTZ001N4148 SWITCHING DIODE 155133 77 or 907200155133 DIODE 155176 7 155176 SWITCHING DIODE 1N4148 NDTZ001N4148 DIODE 15
54. OLYTIC CAP 100uF 10V M or CE1AMASTL101 CERAMIC CAP BN 1500pF 2kV CCD3DKA0B152 ELECTROLYTIC CAP 100uF 10V CE1AMASDL101 ELECTROLYTIC CAP 14F 160V M or CE2CMASTL1RO ELECTROLYTIC CAP 10uF 160V M or CE2CMASTL100 ELECTROLYTIC CAP 1 160 CE2CMASDLO10 ELECTROLYTIC CAP 10uF 160V CE2CMASDL100 ELECTROLYTIC CAP 10uF 50V M or CE1JMASTL100 ELECTROLYTIC CAP 220uF 16V M CE1CMASTL221 ELECTROLYTIC CAP 10uF 50V CE1JMASDL100 ELECTROLYTIC CAP 220uF 16V CE1CMASDL221 METALLIZED FILM CAP 0 14F 250V or CT2E104MS037 ELECTROLYTIC CAP 470uF 16V or CE1CMASTL471 FILM CAP MP 0 1uF 250V or CT2E104DC009 ELECTROLYTIC CAP 470uF 16V CE1CMASDL471 FILM 0 1uF 250V K CT2E104DC011 CHIP CERAMIC CAP B K 4700pF SOV CHD1JKB0B472 CERAMIC F Z 0 01uF 500V or CCD2JZDOF103 CERAMIC Z 0 22uF 50V CA1J224TU014 CERAMIC CAP 0 01uF AC250V CCD2EZAOF103 CERAMIC Z 0 47uF 50V CA1J474TU014 CERAMIC F Z 0 01uF SOOV or CCD2JZDOF103 CONNECTORS CERAMIC CAP 0 01uF AC250V CCD2EZAOF103 CONNECTOR BASE 5P TUC PO5P B1 JSTUAOSTGOO1 CERAMIC CAP B K 1000pF 2kV or CCD3DKD0B102 CONNECTOR BASE 5P TV 50P 05 V3 or J3TVCOSTGO002 CERAMIC CAP B K 1000pF 2kV or CCDS3DKPOB102 CONNECTOR BASE 5P RT
55. RANSISTOR 2 2120 2 or QQS002SC2120 CARBON RES 1 6W J 1k Q RCX6JATZ0102 TRANSISTOR 25 2120 2 QQSYO2SC2120 CARBON RES 1 4W J 33k or RCX4JATZ0333 TRANSISTOR 2SC2785 F or QQSF02SC2785 CARBON RES 1 6W J 33k Q RCX6JATZ0333 TRANSISTOR 2SC2785 H or QQSH02SC2785 CARBON RES 1 4W J 10 Q or RCX4JATZ0100 TRANSISTOR 2SC2785 J or QQSJ02SC2785 CARBON RES 1 6W J 10 Q RCX6JATZ0100 TRANSISTOR KTC3199 GR or NQS10KTC3199 CHIP RES 1608 1 10W J 470 RRXAJB5Z0471 TRANSISTOR KTC3198GR 92 or NQS40KTC3198 CARBON RES 1 4W J 15k Q or RCX4JATZ0153 TRANSISTOR 25 3331 or 2SC3331TZ CARBON RES 1 6W J 15 RCX6JATZ0153 TRANSISTOR 25 3331 0 or 2SC3331UZ CARBON RES 1 4W J 270k or RCX4JATZ0274 TRANSISTOR 2SC1815 GR TPE2 QQS102SC1815 CARBON RES 1 6W J 270k RCX6JATZ0274 RESISTORS 20001215 CHIP RES 1608 1 10W J 150k Q RRXAJB5Z0154 CHIP RES 1608 1 10W J 6 8k RRXAJB5Z0682 L1400EL Description CARBON RES 1 4W J 100 Q or Part No RCX4JATZO101 Description CARBON RES 1 4W J 560 or RCX4JATZ0561 CARBON RES 1 6W J 100 Q 6 70101 CARBON RES 1 6W J 560 RCX6JATZ0561 CHIP RES 1608 1 10W J 10k RRXAJB5Z0103 CARBON RES 1 4W J 1k Q or RCX4JATZ0102 CARBON R
56. RF Input 3 Press 0 button on the Service remote control unit and select C TRP Mode 4 Press CH Y buttons on the Service remote control unit so that the display will change 0 1 2 and 3 Choose display 0 1 2 3 when B Out 3 58MHz value becomes minimun on the oscilloscope reading 5 Turn the power off and on again Main power button on the TV unit L1400EA 9 V Size Adjustment Purpose To obtain correct vertical width of screen image Symptom of Misadjustment If V Size is incorrect vertical Size of image on the screen may not be properly displayed Test Point Adj Point Input Screen Control CH A Y buttons Monoscope V S Mode M EQ Spec Monoscope 901596 Note Use service remote control unit 1 Operate the unit for at least 20 minutes 2 Enter the Service mode See page 5 1 3 Receive the Monoscope Pattern 4 Press 9 button on the Service remote control unit and select V S mode Display changes V S and V P cyclically when 9 button is pressed 5 Press CH A V buttons on the Service remote control unit so that the monoscope pattern will be 90 5 of display size and the circle is round 6 Turn the power off and on again Main power button on the TV unit 10 V Position Adjustment Purpose To obtain correct vertical width of screen image Symptom of misadjustment If V Position is incorrect vertical height of i
57. Remove the DY Wedges and slightly tilt the Deflec tion Yoke horizontally and vertically to obtain the best overall convergence 5 Fix the Deflection Yoke by carefully inserting the DY Wedges between CRT and Deflection Yoke L1400EA BLOCK DIAGRAMS IF Video System Control Block Diagram lt CIRFIIF SIGNAL fMi SIGNAL lt AUDIO SIGNAL TP301 TP300 A N AGC GND 1C333 VIDEO AUDIO CHROMA DEFLECTION IF 1 62 IF TU1 SDA 5 SCL 4 57 EXT CLK 8 s CF302 4 5 TO AUDIO POWER 5 a DH app HZ TU AUDIO CONTROL BLOCK FILTER gt T 2 09 BUS B
58. Symphonic SERVICE MANUAL 19 COLOR TELEVISION ST419B IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe reliable operation of all Funai Equipment The service procedures recommended by Funai and de scribed in this service manual are effective methods of performing service operations Some of these service special tools should be used when and as recommended It is important to note that this service manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel The possibility exists that improper service methods may damage the equipment It also is important to under stand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE Funai could not possibly know evaluate and advice the service trade of all con ceivable ways in which service might be done or of the possible hazardous consequences of each way Consequently Funai has not undertaken any such broad evaluation Accordingly a servicer who uses a service proce dure or tool which is not recommended by Funai must first use all precau tions thoroughly so that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected TABLE OF CONTENTS 222 40 1 1 CBA Views and Test 7 9 Important Safety Pr
59. US CF301 n CONTROL PMEU MEMORY j INTELLIGENT MONITORING DA SDA 5 T IC101 TV MICON Ea SCL 6 r1 40 i CN301 NO CONNECTION og Ma 4a j INT MONITOR 1 1 v 2 2 G2 12 EQ SDA 4 SDA ELIMINATE i SCL 5k Sbi 222270 CN301 is usedfor Y Jf 612 e 1 nppp s I adjustment at factory SW101 SWI06 H COINCIDENCE lt SCL KEV TO AUDIO POWER SDA c 9 SWITCH KILLER CONTROL P ON H DET BLOCK A MUTE H O RESET 2 M AFC 2 7 gt HDRIVE cRTH V BLOCK BGP 1 o ACL ABL DEMODULATOR 1 i VERTICAL HORIZONTAL COUNT COUNT G4 DOWN DOWN FROM TO V RAMP NF OSD R 42 80 CRT H V BLOCK PROTECT 1 o 6 1 OSD G 41 28 OSD B 40 20 PROTECT 2 PROTECT2 2 2 Geo y 39 67 RCV101 05 ri V SYNC 09 i REMOTE 2 4 SENSOR 2 i l 7 V RAMP PTT el 5 WH301A WH301B 3 58MHz HGB MATRIX K 15 RGB MATRIX T 4 GREEN 32 gt CRT H V BLOCK FILTER CONTRAST gt i 14 3 RED 6 1 6 2 L1400BLIF Audio Power Control Block Diagram MAIN CBA lt ZZ AUDIO SIGNAL SCL 1C333 VIDEO AUDIO CHROMA DEFLECTION IF FROM TO IF VI
60. Vertical lt AUDIO gt All items are measured across 8Q load at speaker output terminal Condition Nomina Limit 1 Audio Output Power 10 THD W 1 0 8 2 Audio Distortion w LPF 500mW 2 7 3 Audio Freq Response 3dB Hz 70 11K Note Nominal specifications represent the design specifications All units should be able to approximate these Some will exceed and some may drop slightly below these specifications Limit specifications represent the absolute worst condition that still might be considered acceptable In no case should a unit fail to meet limit specifications 1 1 L7951SP IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold However in order to maintain such compliance it is equally important to implement the following precautions when a set is being serviced current tester or a metering system that complies with American National Standards Institute ANSI C101 1 Leakage Current for Appliances and Under Safety Precautions for TV Circuit 1 Before returning an instrument to the cus tomer always make a safety check of the entire instrument including but not limited to the following items Be sure that no built in protective devices are defec tive and have been defeated during servicing 1 Protective shields are provided
61. and the circle is round 6 Turn the Power off and on again Main power button on the TV unit L1400EA 12 Cut off Adjustment Purpose To adjust the beam current of R G B and screen voltage Symptom of Misadjustment White color may be red dish greenish or bluish Test Point Adj Point 13 White Balance Adjustment Purpose To mix red green and blue beams correctly for pure white Symptom of Misadjustment White becomes bluish or reddish Test Point Adj Point Input Screen Control CH Y buttons M EQ Spec See Reference Notes below Pattern Generator Figure PATTERN GENERATOR Note Screen Control FBT Main CBA F B T Fly Back Transformer Use Service remote control unit 1 Degauss the CRT and allow CRT to operate for 20 minutes before starting the alignment 2 Input the Black Raster Signal from RF Input 3 Enter the Service mode See page 5 1 4 Press VOL Y button on the Service remote control unit and select C D mode Display changes C D VCO 7F and FRENCH cyclically when VOL Y button is pressed then press 1 The display will momentarily show CUT OFF R R Red Now there should be a horizontal line across the center of the picture tube If needed gradually turn the screen control on the flyback clockwise until the horizontal line appears Adjust the Red Cut off by pressing the A Y buttons P
62. control unit Then select 7F display 2 Press A Y buttons on the Service remote control unit Then choose 7F FF FRENCH 1 Press VOL V button on the Service remote control unit Then select FRENCH display 2 Press A Y buttons on the Service remote control unit Then choose FRENCH OFF When CPU version is 054 0 13 perform the follow ing settings ACCESS CODE set to OFF VIDEO TONE set to OFF Note C D and VCO data values are no need to adjust at this moment 3 2 Setting for CONTRAST COLOR TINT V TINT and SHARP data Values General 1 Enter the Service mode See page 5 1 2 Press MENU button on the Service remote control unit Display changes BRIGHT CONTRAST COLOR TINT V TINT and SHARP cyclically when MENU button is pressed CONTRAST CNT 1 Press MENU button on the Service remote control unit Then select CONTRAST display 2 Press A Y buttons on the Service remote control unit so that the value of CONTRAST CNT becomes 92 COLOR CLR 1 Press MENU button on the Service remote control unit Then select COLOR CLR display 2 Press A Y buttons on the Service remote control unit so that the value of COLOR CLR becomes 56 TINT TNT 1 Press MENU button on the Service remote control unit Then select TINT TNT display 2 Press CH A V buttons on the Service remote control
63. ction Yoke back away from the screen See Fig 6 5 Loosen the Ring Lock and adjust the Purity Magnets so that a red field is obtained at the center of the screen Tighten Ring Lock See Fig 5 6 6 Slowly push the Deflection Yoke toward bell of CRT and set it where a uniform red field is obtained 7 Tighten the clamp screw on the Deflection Yoke L1400EA 17 Convergence Adjustment Purpose To obtain proper convergence of red green and blue beams Symptom of Misadjustment If Convergence Adjust ment is incorrect the edge of white letters may have color edges Test Point Adj Point Input C P Magnet RB Dot Pattern C P Magnet or RB G Crosshatch Deflection Yoke Tape M EQ Spec Pattern Generator See below Figures COIL screw PURITY RB G a RINGLOCK I Y 3 Q 4 O lt SCREW IB n E 2 1 p s H 4 C P MAGNET CLAMPER C P MAGNET COIL CLAMPER DY WEDGE i Fig 6 DEFLECTION YOKE C P MAGNET RB a a 1 Loosen the Ring Lock and align red with blue dots or Crosshatch at the center of the screen by rotating RB C P Magnets See Fig 7 2 Align red blue with green dots at the center of the screen by rotating RB G C P Magnet See Fig 8 3 Fix the C P Magnets by tightening the Ring Lock 4
64. ds Replacement procedure 1 Remove the old connector by cutting the wires at a point close to the connector Important Do not re use a connector discard it 2 Strip about 15 mm of the insulation from the ends of the wires If the wires are stranded twist the strands to avoid frayed conductors 2 3 3 Align the lengths of the wires to be connected Insert the wires fully into the connector 4 Use the crimping tool to crimp the metal sleeve at the center position Be sure to crimp fully to the complete closure of the tool L When connecting or disconnecting the internal con nectors first disconnect the AC plug from the AC supply outlet SFTY 01 Safety Check after Servicing Examine the area surrounding the repaired location for Secondary Conductor damage or deterioration Observe that screws parts and wires have been returned to original positions Primary Circuit Terminals Afterwards perform the following tests and confirm the specified values in order to verify compliance with safety 4 standards 1 Clearance Distance When replacing primary circuit components confirm specified clearance distance d and d between sol dered terminals and between terminals and surround ing metallic parts See Fig 1 Table 1 Ratings for selected area Clearance Distance AC Line Voltage d USA gt 3 2 110 130
65. e flat pack IC is removed from the CBA handle it gently because it may be damaged if force is applied L Hot Air Blower Wire Soldering Iron To Solid Mounting Point Fine Tip Soldeing Flat Pack IC 4 Tweezers SFTY_08 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC the CBA so you can install a replacement flat pack IC more easily 2 The mark on the flat pack IC indicates pin 1 See Fig S 1 7 Be sure this mark matches the 1 on the PCB when positioning for installation Then pre solder the four corners of the flat pack IC See Fig S 1 8 3 Solder all pins of the flat pack IC Be sure that none of the pins have solder bridges Example Pin 1 of the Flat Pack IC is indicated by a 6 mark Fig S 1 7 Presolder Flat Pack IC Fig S 1 8 Instructions for Handling Semiconductors Electrostatic breakdown of the semiconductors may occur due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1M that is properly grounded to remove any static electricity that may be charged on the 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1MQ on the workbench or other surface where the semiconductors are to be placed
66. ecautions 2 1 Wave a as ide dient d ees 8 1 Standard Notes for Servicing 3 1 Wiring Diagrarn 9 1 Disassembly Instructions 4 1 IC Pin 10 1 Electrical Adjustment Instructions 5 1 Cabinet Exploded View 11 1 Block 6 1 Packing Exploded 11 3 Schematic Diagram 5 and Test Points 7 1 Mechanical Parts List 12 1 Schematic Diagram pp 7 3 Electrical Parts 13 1 SPECIFICATIONS lt TUNER gt ANT Input 75ohm Unbal F type Reference Level 20Vp p CRT Green Cathode Test Input Signal 400Hz 30 modulation Description Condition Nominal 1 Intermediate Freq Picture Sound 2 Peak Picture Sens VHF CATV UHF 3 AFT Pull In Range 10mV input lt DEFLECTION gt Description Condition Nominal 1 Deflection Freq Horizontal Vertical 2 Linearity Horizontal Vertical 3 Over Scan 4 High Voltage lt VIDEO amp CHROMA gt Description Condition i Nominal Misconvergence Center Side Corner 2 Brightness APL 100 3 Color Temperature 4 Resolution Horizontal
67. eration Warning Do not alter or add to the mechanical or electrical design of this TV receiver Design alterations and additions includ ing but not limited to circuit modifications and the addition of items such as auxiliary audio and or video output connections might alter the safety characteristics of this receiver and create a hazard to the user Any design alterations or additions will void the manufacturer s warranty and may make you the servicer responsible for personal injury or property damage resulting therefrom 4 Picture Tube Implosion Protection Warning The picture tube in this receiver employs integral implosion protection For continued implosion pro tection replace the picture tube only with one of the same type number Do not remove install or other wise handle the picture tube in any manner without first putting on shatterproof goggles equipped with side shields People not so equipped must be kept safely away while picture tubes are handled Keep the picture tube away from your body Do not handle the picture tube by its neck Some in line picture tubes are equipped with a permanently attached deflection yoke because of potential hazard do not try to remove such permanently attached yokes from the picture tube 5 Hot Chassis Warning a Some TV receiver chassis are electrically con nected directly to one conductor of the AC power cord and may be safety serviced without an isolation transformer on
68. gital Transistor 0 Top View Top View NPN Transistor PNP Transistor ECB ECB Top View Top View NPN Digital Transistor PNP Digital Transistor ECB ECB 7 1 L7951SC LILIST OF CAUTION NOTES AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES 1 CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE MEMO TYPE TN RISK OF FIRE REPLACE FUSE AS MARKED 2 CAUTION Fixed Voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F001 is blown first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail 3 Note 1 Do not use the part number shown on the drawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since the drawings were prepared 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Note Mark
69. ied addition to safety other parts and assemblies are specified for conformance with regulations applying to spurious radiation These must also be replaced only with specified replacements Examples RF converters RF cables noise block ing capacitors and noise blocking filters etc C Use specified internal wiring Note especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation Tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering F Observe that the wires do not contact heat produc ing parts heatsinks oxide metal film resistors fus ible resistors etc Check that replaced wires do not contact sharp edged or pointed parts H When a power cord has been replaced check that 5 6 kg of force in any direction will not loosen it 1 Also check areas surrounding repaired locations J Use care that foreign objects screws solder drop lets etc do not remain inside the set K Crimp type wire connector The power transformer uses crimp type connectors which connect the power cord and the primary side of the transformer When replacing the transformer follow these steps carefully and precisely to prevent shock hazar
70. ly if the AC power plug is inserted so that the chassis is connected to the ground side of the AC power source To confirm that the AC power plug is inserted correctly with an AC voltmeter measure between the chassis and a known earth 2 2 ground If a voltage reading in excess of 1 0V is obtained remove and reinsert the AC power plug in the opposite polarity and again measure the voltage potential between the chassis and a known earth ground b Some TV receiver chassis normally have 85V AC RMS between chassis and earth ground re gardless of the AC plug polarity This chassis can be safety serviced only with an isolation transformer inserted in the power line between the receiver and the AC power source for both personnel and test equipment protection c Some TV receiver chassis have a secondary ground system in addition to the main chassis ground This secondary ground system is not isolated from the AC power line The two ground systems are electri cally separated by insulation material that must not be defeated or altered 6 Observe original lead dress Take extra care to assure correct lead dress in the following areas a near sharp edges b near thermally hot parts be sure that leads and components do not touch ther mally hot parts c the AC supply d high voltage and e antenna wiring Always inspect in all areas for pinched out of place or frayed wiring Check AC power cord for damage 7 Components parts and
71. mE Em TOT ANODE 4 3 TP302 WH501B L 1 180 FROM TO IF VIDEO FBPo SYSTEM CONTROL ee L J mx m c C JK501 1 51 FOCUS SCREEN WH301A WH301B 0501 2 GND 0502 IF VIDEO 3 HED AME Y 7 V501 SYSTEM CONTROL 4 GREEN AMP BLOCK 5 BLUE AMP 1B ee TP502 TP501 CN501 BLUE GND GND L1400BLCRT Power Supply Block Diagram CAUTION CAUTION NOTE Fixed voltage power supply circuit is used in this unit 2 HAZARD The voltage for parts in hot circuit is measured using If Main Fuse F601 is blown check to see that all components in the power supply ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES hot GND as a common terminal circuit are not defective before you connect the AC plug to the AC power supply Oth ae in th fail D INCELE N UTILISER QUE DES FUSIBLE DE MEMO TYPE therwise it may cause some components in the power supply circuit to fail RISK OF FIRE REPLACE FUSE AS MARKED This symbol means fast operating fuse Ce symbole repr sente un fusible fusion rapide
72. mage on the screen may not be properly displayed Test Point Adj Point Input Screen Control CH A Y buttons V P Mode M EQ Monoscope Note Use Service remote control unit 1 Operate the unit for at least 20 minutes Monoscope Spec 90 5 2 Enter the Service Mode See page 5 1 3 Receive the Monoscope Pattern 4 Press 9 button on the Service remote control unit and select mode Display change V S cyclically when 9 button is pressed 5 Press CH A V buttons on the Service remote control unit so that the top and bottom of the monoscope pattern will be equal of each other 6 Turn the Power off and on again Main power button on the TV unit 11 H Position Adjustment Purpose To obtain correct horizontal position of screen image Symptom of Misadjustment If H Position is incorrect horizontal position of image on the screen may not be properly displayed Test Point Adj Point Input Screen Control CH A Y buttons Monoscope H P Mode M EQ Spec Monoscope 90 5 Note Use Service remote control unit 1 Operate the unit for at least 20 minutes 2 Enter the Service mode page 5 1 3 Receive the Monoscope Pattern 4 Press 8 button on the remote control unit and select H P mode 5 Press CH A V buttons on the Service remote control unit so that the monoscope pattern will be 90 5 of display size
73. of them from 0 7 when the Frequency Counter shows 15 734 kHz 300HZ or closer 6 Turn the power off and on again Main Power button on the TV unit L1400EA 5 VCO Adjustment Purpose To operate VCO correctly Symptom of Misadjustment VCO does not work cor rectly and or synchronization is faulty Test Point Adj Point Input No signal Tape Note Use service remote control unit 1 Disconnect the RF input and set the unit to Channel 4 2 Enter the Service mode See Page 5 1 3 Press 3 button on the Service remote control unit The Auto VCO adjustment is started 4 If the display color is changed from red to green This adjustment is done 5 Turn the Power off and on again Main power button on the TV unit 6 AGC Adjustment Purpose Set AGC Auto Gain Control Level Symptom of Misadjustment AGC does not synchro nize correctly when RF input level is too weak and picture distortion may occur if it is too strong Adj Point Input 7 Black Level Adjustment Purpose Set Sub bright Level Symptom of Misadjustment If Sub brightness is correct Proper brightness can not be obtained by ad justing the Bright ness Control Note TP502 TP501 GND CRT CBA 1 Enter the Service mode See page 5 1 2 Press MENU button on the Service remote control unit and select BRT mode Display changes BRT CLR and TNT cyclically when MENU button is
74. pin of every male connector is indicated as shown How to Remove Install Flat Pack IC 1 Removal With Hot Air Flat Pack IC Desoldering Machine 1 Prepare the hot air flat pack IC desoldering ma chine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using tweez ers Fig S 1 6 Caution 1 Do not supply hot air to the chip parts around the flat pack IC for over 6 seconds because damage to the chip parts may occur Put masking tape around the flat pack IC to protect other parts from damage Fig S 1 2 2 The flat pack IC on the CBA is affixed with glue so be careful not to break or damage the foil of each pin or the solder lands under the IC when removing it Hot air Flat Pack IC Desoldering Machine Masking Tape Tweezers 22 Fig S 1 2 Flat Pack IC SFTY_08 With Soldering 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC you can remove it easily Fig S 1 3 Flat Pack IC Desoldering Braid 2
75. pressed 3 Press A V buttons on the Service remote control unit so that the value of BRT becomes 128 4 Turn the power off and on again Main power button on the TV unit 8 C Trap Adjustment Purpose To get minimum leakage of the color signal carrier Symptom of Misadjustment If C Trap Adjustment is incorrect stripes will appears on the screen Test Point TP502 Blue TP501 Adj Point Input CH A Y buttons Color Bar GND Color Bar 67 25MHz 60dBuV CHA Y buttons M EQ Spec 2 5 0 1VDC or 2 8 0 1VDC by Tuner Type Pattern Generator DC Volt Meter Notes TP301 Main CBA Use Service remote control unit 1 Enter the Service mode See Page 5 1 Then press number 2 button on the Service remote control unit 2 Receive the Color Bar signal for channel 4 67 25 2 RF Input Level 60dBu V 3 Press CH A V buttons so that the voltage of TP301 becomes 2 5 0 1 DC If the tuner is used TEDH9 300A Tuner type number 4 Press CH A Y buttons so that the voltage of TP301 becomes 2 8 0 1 DC If the tuner is used B8095AD Tuner type number 5 Turn the Power off and on again Main power button on the TV unit Tape M EQ Oscilloscope Note TP502 TP501 CRT CBA Use Service remote control unit 1 Connect Oscilloscope to TP502 and TP501 GND 2 Enter the Service mode See Page 5 1 Receive color bar signal from
76. put R OUT R Output G OUT G Output B OUT B Output V OUT Vertical Out VCC 1 Start up VCC 1 VCC 2 Start up VCC 2 B IN OSD Blue Input V RAMP NF V Ramp NF L1400PIN V RAMP Function Filter for V Ramp VC VCC1 VCVCC 1 VC VCC2 VC VCC 2 FSC OUT Freq Sub carrier Output SPOT KILLER Spot Killer FAST BLK Fast Blanking Input G IN OSD Green Input V PULSE OUT V Pulse Output R IN OSD Red Input ACL ABL ACL ABL X TAL 3 58 Chroma Osc 8 7V OUT 8 7V Output EXT IN External Input CHROMA FILTER Filter for CHROMA APC TV IN TV Input VC GND 1 VC GND 1 VC GND 2 VC GND 2 VC GND 3 VC GND 3 Y SW OUT Y SW Output 5 7V OUT 5 7V Output Reset MCU Reset Output INTERI GENT MONITOR Interigent Monitor Out Hi Vcc 1 Hi Vcc 1 Hi Vcc 2 Hi 2 SW REG CONT Switching Reg Control Output SIF LIMITER IN SIF Limitter Input IF AGC FILTER 2 Filter for IF AGC QIF OUT QIF Output AUDIO OUT Audio Output AUDIO BYPASS Filter for Audio Bypass 10 2 EXT AUDIO IN Function External Audio In FM DETECT OUT RF Output VIF VCO FB VIF VCO FB REG Vcc IN REG Vcc Input FILTER Filter for Video APC VID
77. ration Symptom of Misadjustment The picture is dark and the unit does not operate correctly Test Point TP601 TP300 GND Tape M EQ Spec DC Voltmeter 114 0 5V DC Note TP601 TP300 GND VR661 Main CBA 1 Connect DC Volt Meter to TP601 and TP300 GND 2 Adjust VR661 so that the voltage of TP601 becomes 114 0 5V DC 2 Black Strech Control Adjustment Purpose To show the fine black color Adj Point VR661 Symptom of Misadjustment Black color will not ap pear correctly Note Use Service remote control unit 1 Enter the Service mode See page 5 1 2 Press 6 button on the Service remote control unit B S is indicated 3 Press A V buttons on the Service remote control unit so that display will change OFF O 1 2 and 3 Then choose B S OFF 4 Press 6 button on the Service remote control unit B S 2 is indicated 5 Press A Y buttons on the Service remote control unit so that display will change 0 1 2 Then choose B S 2 0 6 Turn the power off and on again Main power button on the TV unit L1400EA 3 1 Setting for 7F and FRENCH data Values General 1 Enter the Service mode page 5 1 2 Press VOL V button on the Service remote control unit Display changes C D VCO 7F and FRENCH cyclically when VOL button is pressed 7F 1 Press VOL V button on the Service remote
78. roceed to Step 5 when the Red Cut off adjustment is done 5 Press the 2 button The display will momentarily show CUT OFF G Green Adjust the Green Cut off by pressing the A buttons Proceed to step 6 when the Green Cut off adjustment is done 6 Press the button The display will momentarily show CUT OFF B B Blue Adjust the Blue cut off by pressing the CH A V buttons When done with steps 4 5 and 6 the horizontal line should be pure white if not then attempt the Cut off adjustment again White Screen CH A Y buttons Raster APL 100 Tape M EQ Spec Pattern Generator Color analyzer See below Color Analyzer Fig 3 Note Use Service remote control unit 1 Operate the unit more than 20 minutes 2 Face the unit to east Degauss the CRT using De gaussing Coil 3 Input the White Raster APL 100 4 Set the color analyzer to the CHROMA mode and after zero point calibration bring the optical receptor to the center on the tube surface CRT 5 Enter the Service mode Press VOL Y button on the Service remote control unit and select C D mode Display changes C D VCO 7F FRENCH cyclically when VOL Y button is pressed then Press No 8 button on the Service remote control Unit
79. tempt these adjustments unless the proper equipment is available Test Equipment Required 1 NTSC Pattern Generator Color Bar W White Window Red Color Dot Pattern Gray Scale Monoscope Multi Burst 2 DC Voltmeter 3 Oscilloscope Dual trace with 10 1 probe V Range 0 001 50V Div F Range DC AC 60MHz 4 Plastic Tip Driver 5 Remote control unit Part No NO121UD or NO134UD 6 DC power supply 13 2V 5A How to make Service remote control unit 1 Prepare normal remote control unit Part No NO121UD or NO134UD Remove Screws from the back lid Fig 1 1 2 Added J1 Jumper Wire to the remote control CBA Fig 1 2 REMOTE CONTROL UNIT Fig 1 1 REMOTE CONTROL CBA Fig 1 2 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 Press SLEEP button on the service remote control unit Version of micro computer will display on the CRT Ex 200 0 07 or 054 0 13 5 1 4 When CPU version is 054 0 13 Check the display on the lower left is 00 and if it is not 00 set it at 00 according to 3 1 FRENCH ACCESS CODE VIDEO When CPU version is 200 0 07 Confirm that the character of U U S A model is indicated on the bottom left of the CRT If the character of C CAN ADA model is indicated perform 3 1 Setting for FRENCH data Values 1 DC 114V Adjustment Purpose To obtain correct ope
80. ug or Desolder 2 S 2 two Screws S 2 Refer to the following Reference Notes in the Table Reference Notes in the Table 1 Removal of the Rear Cabinet Remove screws 5 S 1 and S 3 then slide the Rear Cabinet back ward 2 Removal of the CRT CBA Disconnect CN501 then pull the CRT CBA backward 3 Removal of the Main CBA Disconnect CN571 on the Main CBA then slide the Main CBA backward Caution Discharge the Anode Lead of the CRT with the CRT Ground Wire before removing the Anode Cap 4 Removal of the CRT Remove screws 4 S 2 and Anode Cap then slide the CRT backward L1400DC 5 1 1 Rear Cabinet 1 Rear Cabinet P Front Cabinet Control Plate Front Cabinet Control Plate Anode Cap Degauss Holder CRT Ground Wire 22275 AQ Front Cabinet Control Plate L1400DC TV Cable Wiring Diagram a SS E 2 2 1 2 1691 DEGAUSSING COIL CLN801 MAIN CBA WH301A FLYBACK TRANSFORMER WH501A AC601 AC CORD 4 3 L1400DC ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note CBA is abbreviation for Circuit Board Assem bly NOTE Electrical adjustments are required after replacing circuit components and certain mechanical parts It is important to perform these adjustments only after all repairs and replacements have been com pleted Also do not at
81. upplements electrical components having such features are identified by the mark inthe schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Note 1 Do not use the part number shown on these drawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 10 M 10 3 Resistor wattages are 1 4W or 1 6W unless otherwise specified 4 All capacitance values are indicated in uF P 1 0 54 5 All voltages are DC voltages unless otherwise specifi Note of Capacitors ML Mylar Cap PP Metalized Film Cap SC Semiconductor Cap L Low Leakage type Temperature Characteristics of Capacitors are noted with the following 10 0 60ppm C SL 350 1000ppm C Tolerance of Capacitors are noted with the following Z 80 20 Note of Resistors CEM Cement Res MTL Metal Res F Fuse Res Capacitors and transistors are represented by thefollowing symbols CBA Symbols Schematic Diagram Symbols Top View Bottom View Digital Transistor Electrolytic Capacitor Bottom View Transistor or Di
82. xial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 megohm an abnor mality exists that must be corrected before the in strument is returned to the customer Repeat this test with the instrument AC switch in the off position d Leakage Current Hot Check With the instru ment completely reassembled plug the AC line cord directly into a 120V AC outlet Do not use an isola tion transformer during this test Use a leakage 2 1 writers Laboratories UL 1410 50 7 With the instrument AC switch first in the on position and then in the off position measure from a known earth ground metal water pipe conduit etc to all ex posed metal parts of the instrument antennas han dle brackets metal cabinet screw heads metallic overlays control shafts etc especially any ex posed metal parts that offer an electrical return path to the chassis Any current measured must not exceed 0 5 milli ampere Reverse the instrument power cord plug in the outlet and repeat the test LEAKAGE CURRENT TESTER READING SHOULD NOT BE ABOVE 0 5 mA DEVICE BEING TESTED TEST ALL EXPOSED METAL SURFACES ALSO TEST WITH PLUG REVERSED USING AC ADAPTER PLUG AS REQUIRED EARTH GROUND ANY MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE INSTRUMENT TO THE CUSTOMER OR BEFORE CONNECTING THE ANTENNA OR ACCESSORIES

SERVICE MANUAL

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