Sanyo CP21AF2T, Service Manual

Page 1: ... 1 436mVrms Impedance less than 600Ω Headphone jack Mini stereo jack 1 Speakers 5cm 12cm 2 Sound Output Music 3W 3W Dimensions 587 W 458 H 486 D mm Weight approx 21 8 Kg Specifications subject to change without notice Product Code 1 113 514 38 Chassis Series FC1 B C2GYT FILE NO Model No CP21AF2T Service Ref No CP21AF2T 00 Australia New Zealand Give complete SERVICE REF NO for parts order or servic...

Page 2: ...ATION PRECAUTION The primary 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...

Page 3: ... K001 HEADPHONE JACK Q901 CRT HORIZ OUT VERT OUT R G B OUT L902 DEF YOKE Q431 H DRIVE IC501 VERT DEF CRT UNIT 21 12 R B G 4 2 Q432 H OUT VERT DY H V T471 FBT FOCUS SCREEN HORIZ DY PINCUSHION CIRCUIT Q461 Q462 18 19 20 Y VIDEO IN FROM IC801 CPU PIN 32 34 IC801 CPU IC802 MEMORY IIC BUS IIC BUS OSD RGB 40 41 42 32 34 31 33 5 6 23 28 30 10 14 IIC BUS 9 10 INT VIDEO EXT VIDEO VIDEO MONITOR OUT Y EXT VI...

Page 4: ...ERT SYNC IN ACTIVE LOW POWER PROTECT IN POWER ERROR LOW POWER CIRCUIT etc SCL SDA IC802 MEMORY OSC 8MHz CPU OSC OUT CPU OSC IN LED ON TIMER LED OUT ON LOW RC SIGNAL IN ACTIVE LOW RC PRE AMP IC001A AUDIO AMP 6 SOUND MUTE OUT MUTE ON LOW AFT IN 30 IC201 ONE CHIP VIDEO CHROMA A101 TUNER IC3071 AUDIO CONTROL IC2001 TELETEXT IC3501 BBE 4 BBE ON OFF OUTPUT ON LOW OFF HIGH 3 4 5 6 17 16 10 9 SCL SDA 14 1...

Page 5: ...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 SHAR...

Page 6: ...17 16 15 14 13 12 11 CONTROL LOGIC I 2 C BUS INTERFACE AVDD 1 8K VR4 VR6 200K 200K TONE AMP2 6 5K S8 S6 S4 S2 6 5K 136K SIMAMP2 ref VOLAMP2 VR2 ref VOLAMP1 6 5K ref VR1 S1 S3 ref 1 2 S5 S7 6 5K TONE AMP1 200K 200K VR5 VR3 1 8K ref 136K SIMAMP1 3 4 5 6 2 7 8 9 10 REF CH1 IN SCL SDA D GND OUT 1 TRE 1 BASS 1 SIM IN1 SIM OUT1 AVDD CH2 IN RESET DVDD A GND OUT 2 TRE 2 BASS 2 SIM IN2 SIM OUT2 IC3071 Audi...

Page 7: ...e VSM Video Status Memory button on the remote control 3 Voltage must measure 130 1 volt DC B VOLTAGE SUPPLY CHECK Note Grayscale and Horizontal Width Adjustment must be completed before attempting High Voltage Check 1 Connect a high voltage probe to anode lead of the picture tube 2 Receive the monochrome circular pattern 3 Set the brightness and contrast to maximum 4 The high voltage must measure...

Page 8: ...s When the memory IC replaced the CPU writes the initial value of the AV Status to the replaced memory IC as shown in below table Note The CPU IC801 and memory IC IC802 store the service adjustments data and controls data for each circuit When the Memory IC IC802 is replaced some of the service adjustments should be readjusted to obtain the best performance The necessary service adjustments are ca...

Page 9: ...TIAL VALUE RANGE OF DATA FUNCTION 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 H Phase H Centering Adjustment H P 08 00 15 V Position V Centering Adjustment V P 02 00 07 V Size Adjustment V S 70 00 127 OSD H Position Adjustment OSD 01 00 15 RF AGC Adjustment AGC 64 00 127 VCO AFT Adjustment VCO 128 00 255 SIF VCO Adjustment SIF 00 00 03 Self Adjustment Mode Setting SELF 00 00 15 DL ...

Page 10: ... 01 H P 8 Read Status Item No Item Data value Data value for Red Display for DRV White balance adjustment 00010100 ADDRESS DATA 25 DRV R 64 B 64 Read Status Item No Item Data value for Blue To return to normal TV mode press the MENU button on the TV set or the remote control handset 2 Select item by pressing the TIMER Item No UP or SOUND MUTE Item No DOWN button on the remote control handset 3 Adj...

Page 11: ...rn 2 Set the brightness and contrast to maximum 3 Select V S in the service mode 4 Change value to be optimum vertical size 5 Exit from the service mode Item 03 V S VERTICAL SIZE Vertical size NOTE Do not attempt this adjustment with weak signal 1 Tune the receiver to most clearest or strongest VHF station in your area Set the brightness and contrast controls to maximum Set the colour control to m...

Page 12: ...ube replacement check High Voltage Items 18 22 25 26 GREY SCALE This TV set has a built in power supply protection circuit It is provided to protect the TV set in case of a power supply circuit malfunctions When something abnormality occurs during TV reception the TV set goes to the stand by mode When an abnormality occurs during TV reception it causes pin 24 of the CPU to go continually Low less ...

Page 13: ...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 14: ...the deflection yoke or magnet assembly on the picture tube neck Care must be taken to keep these assemblies intact unless picture tube is being replaced Discharge the picture tube to the coat ing before handling the tube 1 Remove chassis referring to Chassis Removal instructions 2 Place cabinet s front face down on the soft surface 3 Remove the screw on each corner of the picture tube and GENTLY l...

Page 15: ... ASSY BUTTON POWER 610 286 7770 SPRING COIL 2 610 286 5097 DEC IND 3 610 286 4984 ASSY BUTTON UNIT 4 610 288 4692 ASSY CABINET FRONT 4 a 610 286 5066 CABINET FRONT 4 b 610 286 5080 DOOR 5 610 284 7741 DOOR COVER 6 610 288 4791 DEC SHEET DOOR 7 645 041 7269 BADGE SANYO 8 610 284 7833 SPRING PLATE 9 610 286 5073 CABINET BACK 10 610 287 1463 LABEL RATING 11 645 040 7833 ASSY REMOCON JXMLA 12 610 284 ...

Page 16: ...onent 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 contain Service Ref No Part No and d...

Page 17: ...S133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D2002 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D2003 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D2004 407 063 8606 ZENER DIODE MTZJ5 1A 407 056 8002 ZENER DIODE RD5 1EB2 D2005 401 026 9907 CARBON 4 7K JA 1 6W MISCELL...

Page 18: ...7406 TR 2SB1274 R RA Q462 405 011 8401 TR 2SC1740S Q 405 011 8500 TR 2SC1740S R 405 011 8609 TR 2SC1740S S 405 012 2002 TR 2SC1815 GR 405 012 2101 TR 2SC1815 O 405 012 2309 TR 2SC1815 Y 405 157 0505 TR 2SC536NF NPA 405 151 8705 TR 2SC536NG NPA 405 020 7501 TR 2SC945A PA 405 020 7709 TR 2SC945A QA 405 020 7907 TR 2SC945A RA Q527 405 014 4509 TR 2SC2412K T146 R 405 014 4608 TR 2SC2412K T146 S 405 01...

Page 19: ...1 8804 ELECT 10U M 16V C101 403 050 6600 ELECT 3 3U M 50V C102 403 043 3906 ELECT 33U M 16V C1030 403 041 8804 ELECT 10U M 16V C1031 403 041 8804 ELECT 10U M 16V C1032 403 041 8804 ELECT 10U M 16V C106 403 051 3103 ELECT 47U M 50V C1060 403 041 8804 ELECT 10U M 16V C1061 403 041 8804 ELECT 10U M 16V C1062 403 043 0202 ELECT 220U M 16V C107 403 043 3906 ELECT 33U M 16V C1081 403 215 2201 CERAMIC 0 ...

Page 20: ...1U K 100V 403 276 9706 POLYESTER 0 1U K 100V C521 403 052 8503 ELECT 1000U M 35V C524 403 064 1202 POLYESTER 0 1U K 100V 403 276 9706 POLYESTER 0 1U K 100V C527 403 049 4204 ELECT 10U M 50V C540 403 085 5906 NP ELECT 33U M 16V C601 404 071 2107 MT POLYEST 0 1U K 250V 404 072 5602 MT POLYEST 0 1U M 250V 404 060 7205 MT POLYEST 0 1U M 250V 404 066 1702 MT POLYEST 0 1U M 275V C602 404 071 2107 MT POL...

Page 21: ...3 401 105 7909 MT GLAZE 0 000 ZA 1 16W R1504 401 105 3406 MT GLAZE 27K JA 1 16W R1505 401 105 5400 MT GLAZE 47K JA 1 16W R1506 401 105 3208 MT GLAZE 270 JA 1 16W R151 401 027 5205 CARBON 680 JA 1 6W R154 401 105 0900 MT GLAZE 120 JA 1 16W R170 401 105 0603 MT GLAZE 10K JA 1 16W R173 401 105 6001 MT GLAZE 5 6K JA 1 16W R174 401 105 5202 MT GLAZE 470 JA 1 16W R175 401 105 7909 MT GLAZE 0 000 ZA 1 16...

Page 22: ...04 OXIDE MT 22 JA 2W R663 401 013 6407 CARBON 12K JA 1 4W R664 401 066 5204 OXIDE MT 22 JA 2W R681 401 024 7004 CARBON 1K JA 1 6W R682 401 025 8703 CARBON 220K JA 1 6W R683 401 105 6100 MT GLAZE 560K JA 1 16W R684 401 025 8208 CARBON 22K JA 1 6W R685 401 025 8208 CARBON 22K JA 1 6W R686 401 012 7009 CARBON 10K JA 1 4W R687 401 019 1901 CARBON 3 9K JA 1 4W R688 401 025 8208 CARBON 22K JA 1 6W R689 ...

Page 23: ...00 ZD 02CZ12X TE85R 407 175 2806 ZD 02CZ12Y TE85R 407 175 2905 ZD 02CZ12Z TE85R D123 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D132 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D1401 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DI...

Page 24: ...3 D683 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D685 407 099 5600 ZENER DIODE MTZJ6 8A 407 057 4003 ZENER DIODE RD6 8EB1 D686 408 008 2406 DIODE 1N4148 407 012 4406 DIODE 1SS133 407 013 4306 DIODE 1S2076A 407 013 7109 DIODE 1S2473 D801 407 149 0807 DIODE 1SS355 TE 17 D802 407 149 0807 DIODE 1SS355 TE 17 D824 407 055 7907 ZENER DIODE R...

Page 25: ...TB 405 002 6904 TR 2SA1179 M7 TB CAPACITOR C703 403 157 6602 CERAMIC 470P K 50V C705 403 157 6602 CERAMIC 470P K 50V C707 403 157 6602 CERAMIC 470P K 50V C708 403 077 2807 CERAMIC 1000P Z 2K C732 403 044 1703 ELECT 470U M 16V C742 403 056 0008 ELECT 4 7U M 250V C743 403 075 7101 CERAMIC 1000P K 500V C792 403 233 1606 ELECT 47U M 50V RESISTOR R701 401 105 4007 MT GLAZE 330 JA 1 16W R702 401 025 740...

Page 26: ...SANYO Electric Co Ltd A14800 Oct 00 500 SI Printed in Japan ...

Page 27: ...RA15 02 ED0448 DDXLBB00 3 6 1 16GJ 10KC MTZJ5 6C RD5 6EB3 J HJ1 G H V11B 1030N V10B 3620N EX0017 XC SC GC QXXAVB488M 1 16GJ 27KC 1 16GJ 12KC 1 16GJ 5 6KC 1 16GJ 3 9KC 1 16GJ 2 2KC S10B0450J S10B2790J S10B3670J S10B0450J S10B2790J S10B3670J S10B0450J S10B2790J S10B3670J S10B0450J S10B2790J S10B3670J 1 16GJ 100KC 1 16GJ 10KC 1 16GJ 10KC 1 16GJ 10KC KZ 0 01GQF 10K 10K 1 16GZ 0C 1 16GZ 0C 1 16GJ 4 7KC...

Page 28: ... 4 3 4V 5 GND 6 3 8V 7 3 6V 8 0 7V 9 3 8V 10 20 8V IC1501 VIDEO SW Pin 1 4 0 2 3 8V 3 6 9V 4 6 8V 5 6 8V 6 GND 7 GND 8 GND 9 0V 10 0V 11 6 3V 12 3 8V 13 6 9V 14 6 9V 15 3 8V 16 9 7V Q1231 B 2 5V C 9 6V E 1 9V Q138 B 0V C 2 7V E 0V Q1401 B 3 3V C 0V E 4 0V Q1402 B 7 4V C 0V E 6 3V Q1501 B 6 8V C 9 7V E 6 1V Q1502 B 3 8V C 0V E 4 5V Q461 B 15 0V C 0V E 14 4V Q462 B 0 6V C 14 4V E 0V Q540 B 0 6V C 0V...