Sanyo C20LB87B Service Manual Download Page 17

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405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q261 405 134 5905 TR 2SA1037AK-T146-R

405 147 2205 TR 2SA1037AK-S-T146

405 002 0308 TR 2SA1037K T146 R

405 002 0407 TR 2SA1037K T146 S

405 002 6706 TR 2SA1179-M6-TB

405 002 6904 TR 2SA1179-M7-TB

405 163 1503 TR 2SA1179N-M6-TB

405 163 2708 TR 2SA1179N-M7-TB

Q431 405 018 0507 TR 2SC3332-R

405 018 0606 TR 2SC3332-S

Q432 405 157 1304 TR 2SD2634-YB

Q576 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q611 406 000 6804 TR 2SA1015-GR(SAN)

405 001 7407 TR 2SA1015-O(SAN)

405 001 7605 TR 2SA1015-Y(SAN)

405 004 3109 TR 2SA564A-Q(CU)

405 004 3208 TR 2SA564A-R(CU)

405 151 3304 TR 2SA608NF-NPA

405 006 1707 TR 2SA933S-Q

405 006 1806 TR 2SA933S-R

Q612 405 058 0208 TR 2SC3807-R-CTV-YA

Q613 405 022 8506 TR 2SD1710-CTV-YB

Q631 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q661 405 059 9903 TR 2SD1913-R-RA

405 060 0005 TR 2SD1913-S-RA

Q681 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q683 405 089 0000 TR 2SA1707-S

405 089 0109 TR 2SA1707-T

405 009 6907 TR 2SB985-S

405 009 7003 TR 2SB985-T

Q684 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q685 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q686 405 134 5905 TR 2SA1037AK-T146-R

405 147 2205 TR 2SA1037AK-S-T146

405 002 0308 TR 2SA1037K T146 R

405 002 0407 TR 2SA1037K T146 S

405 002 6706 TR 2SA1179-M6-TB

405 002 6904 TR 2SA1179-M7-TB

405 163 1503 TR 2SA1179N-M6-TB

405 163 2708 TR 2SA1179N-M7-TB

Q861 405 134 5905 TR 2SA1037AK-T146-R

405 147 2205 TR 2SA1037AK-S-T146

405 002 0308 TR 2SA1037K T146 R

405 002 0407 TR 2SA1037K T146 S

405 002 6706 TR 2SA1179-M6-TB

405 002 6904 TR 2SA1179-M7-TB

405 163 1503 TR 2SA1179N-M6-TB

405 163 2708 TR 2SA1179N-M7-TB

Q871 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q881 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

Q886 405 014 4509 TR 2SC2412K T146 R

405 014 4608 TR 2SC2412K T146 S

405 015 8704 TR 2SC2812-L6-TB

405 015 8902 TR 2SC2812-L7-TB

405 163 1602 TR 2SC2812N-L6-TB0

405 163 1701 TR 2SC2812N-L7-TB0

INTEGRATED CIRCUIT

IC001 409 365 3006 IC LA4285

IC191 409 241 5407 IC BA178M05T

409 172 1509 IC MC78M05CT

409 320 5700 IC UPC78M05AHF

IC201 410 342 8907 IC QXXAVB488—-M

410 410 1205 IC QXXAVB889—-M

IC501 409 340 1805 IC LA7840

IC651 409 241 5407 IC BA178M05T

409 124 5302 IC L78M05T

409 172 1509 IC MC78M05CT

409 320 5700 IC UPC78M05AHF

IC801 410 360 3304 IC LC863428V-5P71-TLM

IC802 409 470 3304 IC KS24C021C

409 497 0706 IC S524C20D21-DCB0

409 333 3700 IC 24LC02B/P

CAPACITOR

C001 403 049 0008 ELECT 1U M 50V

C002 403 157 6701 CERAMIC 560P K 50V

C005 403 043 9106 ELECT 47U M 16V

C006 403 042 2405 ELECT 100U M 16V

C007 403 045 9807 ELECT 2200U M 25V

C008 403 164 0204 CERAMIC 0.1U Z 25V

C009 403 281 5205 CERAMIC 0.22U Z 16V

C010 403 045 1504 ELECT 1000U M 25V

C015 401 150 6001 MT-GLAZE 0.000 ZA 1/10W

C101 403 044 1703 ELECT 470U M 16V

C102 403 038 8602 ELECT 33U M 6.3V

C103 403 051 0607 ELECT 4.7U M 50V

C106 403 051 0607 ELECT 4.7U M 50V

C111 403 149 9208 CERAMIC 0.01U Z 50V

C112 403 149 9208 CERAMIC 0.01U Z 50V

C113 403 149 9208 CERAMIC 0.01U Z 50V

C132 403 149 9208 CERAMIC 0.01U Z 50V

C136 403 043 3906 ELECT 33U M 16V

C137 403 149 9208 CERAMIC 0.01U Z 50V

C138 403 048 1907 ELECT 0.22U M 50V

C142 403 042 7707 ELECT 22U M 16V

C151 403 157 2901 CERAMIC 47P J 50V

-17-

F5TT

Ref. No.

Part No.

Description

Ref. No.

Part No.

Description

Summary of Contents for C20LB87B

Page 1: ...AUDIO MODE POWER 0 7 1 4 8 5 2 3 6 9 CH VOL RECALL MENU IMAGE SLEEP DISPLAY MUTE FXMR VOL Specifications Power Source AC220V 50Hz 60Hz Receiving System PAL M M N N NTSC M M Channel Coverage Antenna mode VHF CH02 CH13 UHF CH14 CH69 CATV mode VHF band CH01 CH13 Mid band CH14 CH22 Super band CH23 CH36 Hyper band CH37 CH64 Ultra band CH65 CH94 and CH100 CH125 Low mid band CH95 CH99 Video IF 45 75MHz A...

Page 2: ...source of X RADIATION in television receiver is the picture tube The picture tube is specially con structed to limit X RADIATION emissions For continued X RADIATION protection the replacement tube must be the same type as the original including suffix letter Excessive high voltage may produce potentially hazardous X RADIATION To avoid such hazards the high voltage must be maintained within specifi...

Page 3: ...O IN EXT VIDEO IN SOUND CARRIER TRAP 4 5MHz R G B Q901 CRT HV T401 F B T DEFLECTION YOKE Q432 HORIZ OUT SP902 AUDIO FRONT AV IN VIDEO SDA SCL 3 4 IC801 CPU QXXAVB602 X TAL SW2 PAL N 33 34 R G B BLK 19 20 21 22 1 2 SDA SCL A101 X131 SDA SCL 10 14 6 7 IF IN IC201 QXXAVB488M IF VIDEO CHROMA DEFLECTION 1 CHIP IC R G B BLK 27 23 28 30 34 36 52 3 45 12 21 VERT OUT HORIZ OUT 18 19 20 IC501 LA7840 40 32 F...

Page 4: ...SD RED OUT OSD GREEN OUT OSD BLUE OUT DEFLECTION CIRCUIT HORIZ SYNC IN ACTIVE LOW VERT SYNC IN ACTIVE LOW POWER PROTECT IN POWER ERROR LOW POWER CIRCUIT etc SCL SDA IC802 MEMORY OSC 32 768KHZ CPU OSC OUT CPU OSC IN LED ON TIMER LED OUT ON LOW RC SIGNAL IN ACTIVE LOW RC PRE AMP 30 VOLUME OUT IC001 AUDIO AMP A101 TUNER RESET IN RESET LOW 13 X TAL SW1 PAL M ON HIGH 33 X TAL SW2 PAL N ON HIGH 34 15 VI...

Page 5: ...IN H VCC SECAM REF V SIZE SERVICE SW H OSC SELF ADJ CLAMP 50 60 OUT R TINT B R DRIVE B G ABCL ABCL ID CUT BLUEBACK WHITE BACK COLOR CONTRAST SERVICE BRIGHT STATION DET STATION SYSTEM SET SYSTEM IF AGC DELAY ADJ DEFEAT DL TIME DL FINE VIDEO VCC VIDEO GND DEFLECTION GND TRAP SW D TRAP F TRAP BLACK STRECH OFF F AGC VIDEO DET VIF AMP APC DET ADJ DET BLACK STRECH VIDEO TONE CHROMA TRAP VIDEO MUTE CLAMP...

Page 6: ...curs during TV reception the TV set goes to the stand by mode When an abnormality occurs during TV reception it causes pin 27 of the CPU to go continually Low less than 0 75V for about one second The CPU detects that this has occurred and outputs the signal from pin 31 to switch off the power supply lines Releasing the protective circuit and restoring power supply To release the protective circuit...

Page 7: ...he TV set then press 0 button on the remote control transmitter The following picture appears on the screen This completes the initialization of memory IC 02 Following shows the initialized contents of memory data by this procedure 1 TV AV mode TV mode 2 Antenna or cable setting Antenna 3 Colour system AUTO 4 Channel Memory Clear 5 Receiving Channel Ch02 6 Sound Volume 11 63 steps 7 Color 30 63 st...

Page 8: ...etting 16 BBK 00 00 01 Blue back setting 17 AFCG 02 00 02 AFC gain adjustment 18 RBI 00 00 255 Red bias adjustment 19 GBI 00 00 255 Green bias adjustment 20 BBI 00 00 255 Blue bias adjustment 21 RD 64 00 127 Red drive adjustment 22 BD 64 00 127 Blue drive adjustment 23 DRV White balance adjustment 24 Y cut setting 25 CCD 20 1 31 Caption H Position Adjustment Service mode adjustments table in CPU R...

Page 9: ...m Data value Data value for Red Display for DRV White balance adjustment Read Status Item No Item Data value for Blue To return to normal TV mode press the MENU button on the TV set or remote control handset 2 Select item by pressing the CHANNEL DOWN Item No UP or CHANNEL UP Item No DOWN button on the remote control handset 3 Adjust data value by pressing the VOLUME or VOLUME button on the remote ...

Page 10: ... 2 Select AGC in the service mode 3 Change value until the snow noise just disappears 4 Exit from the service mode 1 Connect DC meter to TP D and the ground 2 Tune the receiver to the clearest station 3 Disconnect RF input Disconnect antenna plug from the antenna socket 4 Select same channel If you have selected channel 03 in step 2 press 0 button next 3 button on the remote control to select chan...

Page 11: ...rightness of each colour until a dim white line produced Please see the control button alloca tions in this mode 7 Select Item 23 DRV mode to enter the white balance adjusting mode 8 Press the 7 Red Drive CHANNEL RECALL Red Drive 8 Blue Drive or 0 Blue Drive button alternately to produce normal black and white picture 9 Exit from the service mode 10 Check for proper grey scale tracking at all brig...

Page 12: ... or VOLUME button on the remote control handset or TV set to make fine tuning adjustment Press and hold the VOLUME button for higher frequency tuning and press and hold the VOLUME or lower frequency tuning 0 VOL RECALL MENU IMAGE SLEEP CH VOL DISPLAY MUTE VOL This adjustment is used to do a fine tuning of the channels with poor reception after they have been stored by the automatic tuning This fun...

Page 13: ...o normal and contrast to maximum 3 Adjust the focus control on the F B T for the best focus on the screen centre FOCUS ADJUSTMENT F B T 4 Connect a high voltage probe to anode lead of the picture tube 5 The high voltage must be 25KV 1KV and less than 27 5KV at 0 beam current Brightness and contrast minimum setting Note If the picture tube is replaced check the high voltage The horiz width adjustme...

Page 14: ...part of the picture screen is coloured adjust the Deflection Yoke position forward or backward slightly 8 Tighten the mounting screw of the Deflection Yoke Adjust Convergence next CENTRE CONVERGENCE ADJUSTMENT 1 Use a dot crosshatch pattern signal 2 Turn Red and Blue guns on and turn off Green gun Adjust the angle between the Tabs of the Four Pole Magnet 1 and 2 and superimpose the Red and Blue ve...

Page 15: ...G 8 645 029 2590 ASSY REMOCON FXMR 9 610 273 0173 RC BATTERY LID 10 645 004 3925 ANT MATCHING BOX or 645 005 0251 ANT MATCHING BOX 610 297 1651 INSTRUCTIONS MANUAL Key No Part No Description Key No Part No Description Note Parts order must contain Service Ref No Part No and descriptions VIDEO AUDIO MENU CH VOL AUDIO IN ANT 75Ω R L VIDEO IN VIDEO MODE AUDIO MODE POWER 0 7 1 4 8 5 2 3 6 9 CH VOL REC...

Page 16: ...fety should be considered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product 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...

Page 17: ...79 M7 TB 405 163 1503 TR 2SA1179N M6 TB 405 163 2708 TR 2SA1179N M7 TB Q861 405 134 5905 TR 2SA1037AK T146 R 405 147 2205 TR 2SA1037AK S T146 405 002 0308 TR 2SA1037K T146 R 405 002 0407 TR 2SA1037K T146 S 405 002 6706 TR 2SA1179 M6 TB 405 002 6904 TR 2SA1179 M7 TB 405 163 1503 TR 2SA1179N M6 TB 405 163 2708 TR 2SA1179N M7 TB Q871 405 014 4509 TR 2SC2412K T146 R 405 014 4608 TR 2SC2412K T146 S 405...

Page 18: ...K 400V C609 404 073 5106 CERAMIC 470P K 250V 404 073 3300 CERAMIC 470P M 250V 404 071 4507 CERAMIC 470P K 400V C613 403 056 8103 POLYESTER 1000P K 50V C614 403 067 5603 MT COMPO 0 1U J 50V C615 403 058 2604 POLYESTER 0 015U J 50V 403 311 9609 POLYESTER 0 015U J 50V C616 403 247 0008 CERAMIC 1500P K 2K 403 263 6602 CERAMIC 1500P K 2K C617 403 059 6205 POLYESTER 0 022U K 50V 403 312 0506 POLYESTER 0...

Page 19: ...W R447 401 026 7002 CARBON 3 9K JA 1 6W R448 401 010 3102 CARBON 470 JA 1 2W R451 401 013 7305 CARBON 120K JA 1 4W R453 401 024 7004 CARBON 1K JA 1 6W R454 401 024 7400 CARBON 10K JA 1 6W R455 401 012 8105 CARBON 100K JA 1 4W R461 401 025 4903 CARBON 180K JA 1 6W R462 401 026 9907 CARBON 4 7K JA 1 6W R481 401 061 0808 OXIDE MT 3 9 JA 1W R491 401 008 3800 CARBON 2 2 JB 1 2W R501 401 018 2800 CARBON...

Page 20: ...J7 5A 407 057 6304 ZENER DIODE RD7 5EB1 D103 407 100 0204 ZENER DIODE MTZJ36A 407 056 2307 ZENER DIODE RD36EB1 D191 408 008 2406 DIODE 1N4148 407 013 4306 DIODE 1S2076A D1910 407 116 6504 LED SLP 181B 51 D350 408 008 2406 DIODE 1N4148 407 013 4306 DIODE 1S2076A D351 407 099 6003 ZENER DIODE MTZJ9 1B 407 057 9701 ZENER DIODE RD9 1EB2 D381 407 063 8903 ZENER DIODE MTZJ5 6C 407 057 0104 ZENER DIODE R...

Page 21: ...2SC2621 E RA 405 066 9903 TR 2SC2688 1 K 405 067 0008 TR 2SC2688 1 L 405 067 0107 TR 2SC2688 1 M 406 000 3605 TR 2SC3620 LB SAN 1 Q711 405 041 6507 TR 2SC2621 D RA 405 041 6705 TR 2SC2621 E RA 405 066 9903 TR 2SC2688 1 K 405 067 0008 TR 2SC2688 1 L 405 067 0107 TR 2SC2688 1 M 406 000 3605 TR 2SC3620 LB SAN 1 Q721 405 041 6507 TR 2SC2621 D RA 405 041 6705 TR 2SC2621 E RA 405 066 9903 TR 2SC2688 1 K...

Page 22: ... 2KCA KK0 015 GQBZ X 1 10GZ 0CA KZ 0 01GQFZ 150K EM2 2 1 10GJ 33KCA 1 10GJ 47KCA P X X X EM10 X 35EM220 KZ0 01 GQFZ X 2 2K J DJ330 15K 33K 820 CJ93CN X X EM01Z ED0448 LA7840 35EM 470 J X 1 10GJ 4 7KCA 1K MTZJ20B RD20EB2 1 10GJ 820CA 16EM 10 X AH EM1 J10EA030N J10EA030N 1 10GJ 10KCA 1 10GJ 10KCA J X KK560 GQBZ 25EM 1000 X X X 16KZ 0 22GQF 25EM 2200 MTZJ7 5A RD7 5EB1 1 10GJ 2 2KCA 1SS133 25KZ 0 1GQF...

Page 23: ...23 2 5V 24 2 6V 25 5 2V 26 4 8V 27 1 0V 28 2 6V 29 3 4V 30 2 5V 31 2 7V 32 3 1V 33 3 7V 34 1 6V 35 3 0V 36 1 9V 37 0V 38 1 6V 39 2 7V 40 3 1V 41 1 4V 42 9 2V 43 1 7V 44 1 7V 45 3 5V 46 2 8V 47 2 3V 48 2 3V 49 4 0V 50 4 1V 51 3 1V 52 5 6V IC501 VERT OUT Pin 1 GND 2 14 8V 3 24 8V 4 4 4V 5 4 4V 6 24 4V 7 2 4V IC001 AUDIO AMP Pin 1 6 3V 2 GND 3 6 3V 4 0 7V 5 3 1V 6 5 6V 7 5 5V 8 GND 9 5 7V 10 12 5V IC...

Page 24: ...NEWSAN S A Una empresa del grupo SANYO Electric Co Sep 01 ...

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