Sanyo CE28D4-C Page 22 Service Manual Download | Manualshive

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Main Board /Pannello Principal

Circuit side/Lato del Circuito

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Summary of Contents for CE28D4-C

Page 1: ...on the cabinet back of the TV set Note This TV receiver will not work properly in foreign countries where the television transmission system and power source differ from the design specifications Refer to the specifications for the design specifications CE28D4 C Contents Safety precautions 2 Block diagram 3 Cabinet description 4 5 Cabinet disassembly 6 Service control adjustment 7 8 Circuit alignm...

Page 2: ... in this manual be used for component replacement designated by mark No deviations from resistance wattage or voltage ratings may be made for replacement items designated by mark 1 An isolation transformer should be connected in the power line between the receiver and the AC line when a service is performed on the primary of the converter transformer of the set 2 Comply with all caution and safety...

Page 3: ... 5 Sharpness Control Keys 10 VL VH U IF TU 1 16 45 46 28 29 30 31 41 48 37 18 19 20 7 13 15 21 22 23 24 X131 SAW Filter IC271 1H Delay R Y B Y R Y B Y CVBS In Functuin In AV1 AV2 11 12 14 16 B G R BLK External CVBS in Internal CVBS in Q151 Q152 Q154 H Drive Q431 Q432 H Outpit V Drive V Feedback Audio In Speakers VR501 C512 H V HV Q2601 Q2611 Q2621 Video In Audio In L R Q171 1 6 3 8 Out 4 Out 2 7 A...

Page 4: ...pin13 or pin15 is separated to luminance Y signal and chroma signal in IC201 These pins are used in common with H V sync separation input The peaking of Y signal is adjusted by DC voltage of pin14 SHARPNESS control The chroma signal is divided into R Y and B Y chroma signals demodulated in IC201 and output from pin30 R Y and pin31 B Y These chroma signals pass through the 1H delay line circuit IC2...

Page 5: ... base of Q462 to compensate for width variations due to variations in the beam current 7 CPU System and Teletext Control Pin description Pin1 Tuning voltage output Pin2 Brightness control output 6 bit DAC Pin3 Contrast control output 6 bit DAC Pin4 Colour control output 6 bit DAC Pin5 Sharpness control output 6 bit DAC Pin6 Not used GND Pin7 Not used GND Pin8 Power ON OFF output H ON Pin9 AFT sign...

Page 6: ...T BACK DISASSEMBLY 1 Remove 7 screws A 2 Pull out the cabinet back PLACING THE CHASSIS TO SERVICE POSITION 1 Pullout the chassis and put it to the rails on the side cabinet 2 Fix main board with hook on the top rail A A A A A A A ANT75 Ω ...

Page 7: ...361 H Centre VR131 AGC T101 T102 VC141 T141 IC810 Band SW Audio Board SIF Board A101 Tuner IC1202 Int Ext SW IC1201 AV2 SW TP E TP D IC802 Memory IC801 CPU IC001 Audio output Video input Audio input R Headphones Audio input L B1 POWER SUPPLY ADJ TU AGC ADJ AFT ADJ GREY SCALE ADJ FOCUS ADJ MAIN BOARD HIGH VOLTAGE H WIDTH ADJ V CENTRE ADJ H CENTRE ADJ V SIZE ADJ Q641 Q621 Q601 Q611 VR611 R BIAS VR62...

Page 8: ... Prog on the TV front panel Press the Function button on the Remote control until SCREEN is highlighted This sets up a horizontal scanning line 6 Set screen VR so that one colour is just visible BIAS VR ADJUSTMENT 7 By using VR2601 VR2611 or VR2621 adjust the line until it becomes white 8 Set screen mode OFF by pressing the Recall button on the Remote control DRIVE VR ADJUSTMENT 9 Using VR2602 and...

Page 9: ... b 10kΩ Input probe Output probe SIF alignment DC 12V AGC voltage Output probe Input probe Sweep ATT Marker Frequency SETTING IC3801 pin11 IC3801 pin3 IC3801 pin1 Side b IC3801 pin12 10dB 38 9MHz Adjustment 1 Adjust AGC voltage to be A 0 5Vp p 2 By using T3801 adjust P to be equal centre line Waveform Oscilloscope Input sound signal source TV system Deviation Mode SETTING IC3401 pin5 System B G 27...

Page 10: ...SD appears on the screen 2 Select the desired service item by using the Function button on the remote control handset 3 Change the data by using the Level or button 4 To return to TV mode press the Recall button on the remote control handset Service mode description K1 K2 For adjustment of stereo separation ST ID Mode setting for A2 stereo judgement 000 Fast mode 001 Normal mode 002 Fast normal mo...

Page 11: ...0 7355 BADGE SANYO 53 5X12 GRAY 10 610 104 2505 LATCH PUSH 7 9X6 9BK 11 SKZZ0072 DEG COIL CLIP F4AC 12 412 059 7709 SPECIAL SCREW 13 411 076 1004 SCR TPG BRZ 4X12 14 610 265 4202 HOLDER DEGAUSS COIL 15 411 076 1301 SCR TPG BRZ 4X14 ACCESSORIES 16 JXMCA RC TRANSMITTER 17 SKP10170 INST MANUAL F7WT 1 18 SKP10171 INST MANUAL F7WT 2 Item Part No Description Note Parts order must contain Service Ref No ...

Page 12: ...safety It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark Note Parts order must contain Service Ref No Part No and descriptions Read description in the Capacitor and Resistor as follows CAPACITOR CERAMIC 100P K 50V Rated Voltage Tolerance Symbols Less than 10PF A Not specified B 0 1PF C 0 25PF D 0 5PF F 1P...

Page 13: ...9 4204 ELECT 10U M 50V C1103 403 069 1712 CERAMIC 1000P K 50V C1104 403 049 4204 ELECT 10U M 50V C1106 403 069 1712 CERAMIC 1000P K 50V C1107 403 049 4204 ELECT 10U M 50V C1108 403 014 9213 CERAMIC 180P J 50V C1109 403 008 7416 CERAMIC 10P D 50V C114 401 037 5014 MT GLAZE 0 000 ZA 1 10W C117 401 037 5014 MT GLAZE 0 000 ZA 1 10W C1201 403 049 4204 ELECT 10U M 50V C1202 403 049 4204 ELECT 10U M 50V ...

Page 14: ...1 014 4145 CARBON 1K5 JA 1 4W R007 401 019 9640 CARBON 47 JA 1 4W R008 401 014 4145 CARBON 1K5 JA 1 4W R009 401 010 1514 CARBON 4 7 JA 1 2W R010 401 010 1514 CARBON 4 7 JA 1 2W R011 401 007 7641 CARBON 150 JA 1 2W R012 401 007 7641 CARBON 150 JA 1 2W R013 401 037 6714 MT GLAZE 1 2K JA 1 10W R014 401 016 2644 CARBON 220 JA 1 4W R015 401 037 5410 MT GLAZE 1K JA 1 10W R016 401 038 6515 MT GLAZE 47K J...

Page 15: ...24 7727 CARBON 100K JA 1 6W R355 401 012 9904 CARBON 10M JA 1 4W R356 401 037 5212 MT GLAZE 100 JA 1 10W R357 401 037 5618 MT GLAZE 10K JA 1 10W R361 401 038 5419 MT GLAZE 390K JA 1 10W R363 401 038 0810 MT GLAZE 22K JA 1 10W R364 401 037 5212 MT GLAZE 100 JA 1 10W R365 401 038 6416 MT GLAZE 4 7K JA 1 10W R431 401 038 3514 MT GLAZE 330 JA 1 10W R432 401 037 5410 MT GLAZE 1K JA 1 10W R433 401 007 1...

Page 16: ...891 401 038 6416 MT GLAZE 4 7K JA 1 10W R892 401 038 6416 MT GLAZE 4 7K JA 1 10W R893 401 037 5410 MT GLAZE 1K JA 1 10W R894 401 037 5410 MT GLAZE 1K JA 1 10W R895 401 037 6714 MT GLAZE 1 2K JA 1 10W R896 401 038 6515 MT GLAZE 47K JA 1 10W R897 401 012 5748 CARBON 1K JA 1 4W R898 401 012 5748 CARBON 1K JA 1 4W VARIABLE RESISTOR VR131 645 003 5531 VR 10K ALPS VR361 645 003 5531 VR 10K ALPS VR462 64...

Page 17: ... ZA 1 10W J226 401 037 5014 MT GLAZE 0 000 ZA 1 10W J231 401 037 5014 MT GLAZE 0 000 ZA 1 10W J232 401 037 5014 MT GLAZE 0 000 ZA 1 10W J233 401 037 5014 MT GLAZE 0 000 ZA 1 10W J234 401 037 5014 MT GLAZE 0 000 ZA 1 10W J235 401 037 5014 MT GLAZE 0 000 ZA 1 10W J236 401 037 5014 MT GLAZE 0 000 ZA 1 10W J237 401 037 5014 MT GLAZE 0 000 ZA 1 10W J238 401 037 5014 MT GLAZE 0 000 ZA 1 10W J239 401 037...

Page 18: ...A 1 10W R1253 401 039 0512 MT GLAZE 82K JA 1 10W R1254 401 039 0512 MT GLAZE 82K JA 1 10W R1256 401 039 0512 MT GLAZE 82K JA 1 10W R1257 401 038 6317 MT GLAZE 470 JA 1 10W R1258 401 038 0711 MT GLAZE 2 2K JA 1 10W R1262 401 039 0512 MT GLAZE 82K JA 1 10W R1263 401 039 0512 MT GLAZE 82K JA 1 10W R1264 401 039 0512 MT GLAZE 82K JA 1 10W R1265 401 038 6317 MT GLAZE 470 JA 1 10W R1266 401 038 0711 MT ...

Page 19: ... 3669 TERMINAL 6P K35S 645 008 7264 HOUSING PLUG 3P K35U 645 004 2881 PLUG 2P ASSY PWB CRT F3SS 1AA0B10E48900 TRANSISTOR Q701 405 041 6507 TR 2SC2621 D RA Q711 405 041 6507 TR 2SC2621 D RA Q721 405 041 6507 TR 2SC2621 D RA Q740 406 007 1901 TR JC556A Q751 406 007 1901 TR JC556A CAPACITOR C701 403 073 2910 CERAMIC 390P K 50V C711 403 073 2910 CERAMIC 390P K 50V C721 403 073 2910 CERAMIC 390P K 50V ...

Page 20: ...F7WTV Sanyo Industries UK Ltd Printed in UK ...

Page 21: ...BCC MTZ5 1C 16EM10 J1 1 10GJ 4 7K TDA8361 N5 25KZ0 1FA KZ0 1FA 25KZ0 1FA KZ0 1FA KK4700BA 63GK0 1V HJ0 1G 1 10GJ 100K KZ 0 01FA 25KZ0 1FA KZ0 1FA 1 10GJ 100 KK2700 BA KK4700 BA 63GK0 047V HJ0 047G 63GK0 1V HJ0 1G KK1000BA 1 10GJ 5 6K J 1 10GJ 100 1 10GJ 100 100 SF5315 SF5315U EM2 2 1 10 GJ 10K 16EM 100 AN78M12 LB BA178M12T L78M12 RA L78M12CV MC78M12CT 16EM 470T KZ0 01FA 1 10GJ 180 1 10GJ 8 2K CJ18...

Page 22: ...Main Board Pannello Principal Circuit side Lato del Circuito ...

Page 23: ...536 E NP F NP G NP QT0378 A B 1 10GJ 33K 22K J12B04900 J12B05400 EM10 1S1553 1S2076A 1S2471 DS442X 1 2DJ 330 1SS133 1SS176 25EM 22 RD20EB1 UZ 20BCA MTZ20A EU1 1 2DJ 270 4 7K L2G33R3KN MTZJ11C UZ 11BSC MTZJ11C UZ 11BSC MTZJ11C UZ 11BSC L2G31R0MN KZ 0 01F 3 9K J10EA030N 3 9K 1 10GJ 150 1 10 GJ1K J1EK1745 J11B0490N 75 1 10 GJ2 2K 1 10 GJ2 2K 16EM 10 MTZJ11C UZ 11BSC 16EM 10S 16EM 10S 1 10 GJ33K 75 CC...

Page 24: ...IONE VR DEL BIAS POLARIZZAZIONE 7 Servendosi di VR602 VR612 o VR622 regolare la linea in modo che sia bianca 9 Per tornare al modo di funzionament TV premere il tasto Richiamo REGOLAZIONE VR DEL DRIVE ECCITAZIONE 9 Servendosi di VR601 e VR611 regolare il bilanciamento del bianco REGOLAZIONE DI ALTO VOLTAGGIO E DI AMPIEZZA REGOLAZIONE DI ALTO VOLTAGGIO 1 Sintonizzare il ricevitore sull oscillogramm...

Page 25: ...812L6 BC848B Q3484 2SC2812L6 BC848B Q3482 2SC2812L6 BC848B 1 10 GJ2 2K 1 10 GJ470 1 10 GJ82K 1 10 GJ82K 1 10 GJ82K R1263 1 10 GJ82K 1 10 GJ82K 1 10 GJ2 7K 1 10 GJ6 8K 16EM 10 J10EA020N TDA9840 V2 L21B0120N 25CG 3300CA 16EM10 EM2 2 EM2 2 16EM 100 KK0 01BA 25KZ0 1FA KZ0 1FA 1 10 GJ100 1 10 GJ100 J10EQ100N J10EQ100N 1 10 GJ470 25KZ0 1FA KZ0 1FA KK 0 033BA 25KK 0 033BA 1 10 GJ30K CJ47CA 1 10GZ 0 0 KK0...

Page 26: ...3506 R3506 Q3505 R3505 R3508 C3518 R3512 R3511 R3513 R3514 R3526 R3525 Q3522 R3528 R3527 C3531 R3521 R3523 Q3521 R3524 R3522 5V J10EA030N PB3501 B10E1470A J10EA050N J10EA020N EZ0118A D3551 R3551 K35D J10EA030N C3506 TDA8424 25KK 0 033BA KK 0 033BA KK 5600BA 1 10GJ100 1 10GJ100 KK5600BA 25KK 0 033BA KK 0 033BA 25KZ0 1FA KZ0 1FA EM10 16EM100 1 10 GJ100 2SC2812L6 2SC2412KR 1 10 GJ1 5K 2SC2812L6 2SC24...

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