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Sanyo CP28WF2, Service Manual

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SERVICE MANUAL   Colour Television   

Specifications

Power Source

 . . . . . . . .AC220-240V, 50/60Hz.

Colour System

 . . . . . . .PAL, SECAM, NTSC4.43, NTSC

Television System

 . . . . .B/G

Channel Coverage

 . . . .VHF: 0-11, 5A (Australia), 1-11 (New Zealand)

UHF: 28-69 (Australia), 21-69 (New Zealand)
CATV: S1-S41, X, Y, Z, Z+1, Z+2

Aerial Input Impedance

75

Ω

Ext. Terminals

AV1 (Rear): CENELEC Standard

Input (Composite video, RGB and audio-L/R)
Output (TV-output with composite video and audio-L/R)

AV2 (Rear): Phone jack (Video input and Audio-L/R input)

S-Video Input (Din 4 pin, Separated Y/C signals input)

AV3 (Front): Phone jack (Video input and Audio-L/R input)
Monitor Output: Phone jack (Video monitor output and Audio-L/R monitor 

output)

Headphone Jack: Mini Stereo Jack 

Speaker

 . . . . . . . . . . 5 cm 

✕

12 cm 

✕ 

2 pcs.

Sound Output

 . . . . . 5W + 5W

Dimensions

 . . . . . . . . . . 774 (W) 

✕

491 (H) 

✕

508 (D)mm

Weight . . . . . . . . . . . . . . .approx. 36.9 Kg

Specifications subject to change without notice

Original Version

Chassis Series: FAW-1

F8WA

FILE NO.

Model No. CP28WF2

Service Ref. No. CP28WF2-00

(Australia/New Zealand)

Give complete “SERVICE REF. NO.” for parts
order or servicing. It is shown on the rating plate
at the cabinet back of the unit.

This T.V. receiver will not work properly in
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.

Product Code:111371200

REFERENCE NO.

SM

5110615

TV/AV MENU

CH

Summary of Contents for CP28WF2

Page 1: ... Audio L R input Monitor Output Phone jack Video monitor output and Audio L R monitor output Headphone Jack Mini Stereo Jack Speaker 5 cm 12 cm 2 pcs Sound Output 5W 5W Dimensions 774 W 491 H 508 D mm Weight approx 36 9 Kg Specifications subject to change without notice Original Version Chassis Series FAW 1 F8WA FILE NO Model No CP28WF2 Service Ref No CP28WF2 00 Australia New Zealand Give complete...

Page 2: ...k X RADIATION 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 volt...

Page 3: ...V1 VIDEO IN AV1 VIDEO Y SW IC1050 AV1 AUDIO IN AV2 AUDIO IN AV1 AUDIO IN AV2 AUDIO IN AV1 AUDIO OUT AV2 VIDEO IN 1 AV2 VIDEO or Y IN 7 3 AV3 VIDEO IN AV3 AUDIO IN R IN G IN B IN R IN G IN B IN C IN VIDEO Y OUT VIDEO Y IN VIDEO MONITOR OUT AUDIO MONITOR OUT AUDIO MONITOR OUT L R From pin 47 48 of IC3451 VIDEO MONITOR OUT R OUT G OUT B OUT SCL SDA SIF OUT SCL SDA 16 MUTE RC RECEIVER A1901 KEY SW MEM...

Page 4: ... 46 11 25 17 42 23 20 31 27 26 32 4 74 67 78 1 69 3 71 73 70 65 68 58 61 53 52 51 55 57 56 59 54 62 43 66 36 19 44 49 48 12 13 14 18 21 22 79 80 9 7 6 34 72 75 76 77 Dig VDD Dig GND RGB Vcc 9V YC Vcc 5V V RAMP V OUT EHT IN EW OUT FBT IN H OUT VD HD SCP OUT YC GND H DRIVE AFC2 PalaG Baw IIC Bus IF EW Coner T B Size Trapeze Parabola V EW EW Size V Centre V Linear V S SIF IN FM Filter IF Vcc 9V RF AG...

Page 5: ...D OFF 9 5 10 8 4 6 Vcc NON INVERTING INPUT 2 INVERTING INPUT 2 L R GND RF I 27K RF I 27K SC PROTECTION Tj TH PROTECTION OUTPUT L OUTPUT R TDA7263M IC501 Vertical Output LA7846N THERMAL PROTECTION PUMP UP AMP N C Ver Output Output Stage Vcc Non Inv Input Inverting Input Vcc Pump Up Output LA7846N 1 3 4 5 6 7 8 9 10 GND 2 N C N C ...

Page 6: ...data input 1 I2 S bus data input 2 I2 S bus data output 1 I2 S bus data output 2 I2 S bus clock I2 S bus word select digital supply voltage 1 digital supply voltage 2 supply ground 1 supply ground 2 capacitor for power on reset first test pin second test pin analog supply voltage 1 supply ground 1 reference voltage resistor for reference current generator tuning voltage output for crystal oscillat...

Page 7: ... 29 TXCF Analog pin for the Teletext slicerline PLL 30 CVBSO Not used 31 AVDD2 Analog power supplies 32 JTMS Not used 33 CVBS2 Video input H F IN 34 CVBS1 Video input L F IN 35 AGND Analog circuit ground 36 GND Digital circuit ground 37 JTRSTO Test pin 38 PXFM Analog pin for the Display Pixel Frequency Multiplier 39 AVDD Analog power supplies 40 H SYNC Horizontal Sync input IN 41 V SYNC Vertical S...

Page 8: ...r up button To switch the option mode use the Level up or down button The data which is set in the option mode is stored into the memory IC automatically The following table shows the available option items and default setting mode Option Mode Mode Description Note ON TIMER ON or OFF On timer available default ON SORT MODE Sorting or Tuning Tuning mode default TUNING P P ON or OFF Plug Play mode d...

Page 9: ...Note Some items of the service adjustments for this chassis are controlled by the CPU IC801 and the adjustments are carried out by using the RC handset Image Item No OSD Description 01 P V C P Vertical Position Adjustment 02 P H P P Horizontal Position Adjustment 03 P V L P Vertical Linearity Adjustment 04 P VSC P Vertical S Correction Adjustment 05 P V A P Vertical Size Adjustment 06 P H S P Hori...

Page 10: ...wn or up button To change the service data use the Level up or down button The data which is set in the service mode is stored into the memory IC automatically Regular 01 AGC 38 Image 01 P V P 24 REGULAR mode IMAGE mode 3 Exit from the Service Mode Press the Programme information call button or turn off the TV set by using the mains switch Initialisation of Memory IC IC803 To initialise the memory...

Page 11: ...r on the screen 4 Using the numeric buttons shown set each colour to minimum by decreasing to the point where any further decrease resets the adjustment to maximum value BIAS ADJUSTMENT 5 By using the buttons 1 2 3 4 5 7 8 on the remote control adjust the line to be white The key allocation is as follows Button No Operation 1 Increase Red 2 Decrease Red 4 Increase Green 5 Decrease Green 7 Increase...

Page 12: ...Press the Level up or Level down button to adjust the horizontal width Note B 150V Voltage Check and Grayscale Adjustment must be completed before attempting High Voltage Check 1 Connect high voltage meter to the anode of CRT and the ground 2 Receive circular pattern and set screen mode to FULL 3 Set controls for brightness and contrast to maximum 4 Confirm high voltage is within 28 5 KV and 30 5 ...

Page 13: ...tube screen and then tighten the screw to secure the deflection yoke in place 7 If there is any colour distortion around the edges correct it by attaching magnets to the outer edge of the deflection yoke The magnets should be attached so that the line running from the position of the distortion to the centre of the picture tube intersects the deflection yoke The colours on the magnets indicate the...

Page 14: ...orrect the vertical line convergence at the centre of the screen See Figure 9 4 Vertical lines at screen top and bottom Use the VR1 control see Figure 8 at the top of the deflection yoke to correct the vertical line convergence at the top and bottom of the screen See Figure 10 5 Horizontal lines at screen top and bottom Rotate the Deflection yoke to the left or right to correct the horizontal line...

Page 15: ... protective circuit and restoring power supply To release the protective circuit and restore power supply turn the power to the TV set OFF and then ON again via either the main power switch or the ON OFF button on the remote control This will work only if the power supply trouble was temporary If there is permanent trouble such as a damaged circuit power cannot be restored and the circuit will hav...

Page 16: ... 610 312 8474 DEC SHEET DOOR F8WA 6 610 284 7741 DOOR COVER C2SA 7 645 040 4672 BADGE SANYO or 645 041 7269 BADGE SANYO 8 610 291 6836 SPRING PLATE S6DK 9 610 312 8450 CABINET BACK F8WA 10 610 313 0309 LABEL RATING AUS BIG 11 610 273 7189 HOLDER CORD S4KF 12 645 052 2697 ASSY REMOCON JXMTA 13 610 297 9879 RC BATTERY LID JXMTA 610 312 7293 INSTRUCTION MANUAL F8WA Key No Part No Description Key No P...

Page 17: ...ety 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 18: ...TR 2SC2812N L6 TB0 405 163 1701 TR 2SC2812N L7 TB0 405 173 9803 TR 2SC3928A1R 405 173 9902 TR 2SC3928A1S Q651 405 089 0000 TR 2SA1707 S 405 089 0109 TR 2SA1707 T 405 009 6907 TR 2SB985 S 405 009 7003 TR 2SB985 T Q661 405 001 9302 TR 2SA1020 Y 405 008 4805 TR 2SB764 E Q666 405 058 0208 TR 2SC3807 R CTV YA Q682 405 014 4509 TR 2SC2412K T146 R 405 014 4608 TR 2SC2412K T146 S 405 015 8704 TR 2SC2812 L...

Page 19: ...4 ELECT 1000U M 25V C502 404 084 9407 ELECT 220U M 35V 403 053 2104 ELECT 220U M 35V C503 403 215 2201 CERAMIC 0 01U K 50V C504 403 279 4302 CERAMIC 0 33U K 16V 403 317 4608 CERAMIC 0 33U K 16V C505 403 036 6600 CERAMIC 8P D 500V C506 403 067 7805 MT COMPO 0 47U J 50V 403 256 0808 MT COMPO 0 47U J 50V C511 403 064 1202 POLYESTER 0 1U K 100V 403 276 9706 POLYESTER 0 1U K 100V C528 403 164 0204 CERA...

Page 20: ... 1 16W R510 401 057 6104 OXIDE MT 0 56 JA 1W R512 401 065 2808 OXIDE MT 120 JA 2W R513 401 105 7909 MT GLAZE 0 000 ZA 1 16W R514 401 105 6605 MT GLAZE 6 8K JA 1 16W R515 402 058 9606 FUSIBLE RES 5 6 J 1W R516 401 027 5502 CARBON 6 8K JA 1 6W R517 401 105 3406 MT GLAZE 27K JA 1 16W R518 401 105 5400 MT GLAZE 47K JA 1 16W R534 401 053 4203 MT FILM 5 6K FA 1 6W R537 401 105 0603 MT GLAZE 10K JA 1 16W...

Page 21: ...149 0807 DIODE 1SS355 TE 17 D603 407 006 6300 DIODE ERC05 10BV1 407 009 6901 DIODE RM11C D604 407 006 6300 DIODE ERC05 10BV1 407 009 6901 DIODE RM11C D605 407 006 6300 DIODE ERC05 10BV1 407 009 6901 DIODE RM11C D606 407 006 6300 DIODE ERC05 10BV1 407 009 6901 DIODE RM11C D614 407 012 4406 DIODE 1SS133 D615 407 234 8701 PHOTO COUPLE PC123X5YFZ 407 230 3908 PHOTO COUPLE PC123Y52 407 231 7707 PC TLP4...

Page 22: ...46 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 405 173 9605 TR 2SA1235A1E 405 173 9704 TR 2SA1235A1F Q242 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 2SA117...

Page 23: ...U M 25V 403 047 3100 ELECT 47U M 25V C1203 403 215 2201 CERAMIC 0 01U K 50V C1204 404 084 8905 ELECT 10U M 50V 403 049 4204 ELECT 10U M 50V C1205 404 084 8905 ELECT 10U M 50V 403 049 4204 ELECT 10U M 50V C1206 403 145 9905 CERAMIC 22P J 50V C121 403 215 2201 CERAMIC 0 01U K 50V C1213 404 084 8905 ELECT 10U M 50V 403 049 4204 ELECT 10U M 50V C123 403 215 2201 CERAMIC 0 01U K 50V C124 404 084 8905 E...

Page 24: ...3 322 6109 CERAMIC 2 2U Z 16V C833 403 157 2505 CERAMIC 27P J 50V C834 403 157 2505 CERAMIC 27P J 50V C835 403 155 2309 CERAMIC 4700P K 50V C861 403 155 1302 CERAMIC 150P J 50V RESISTOR R101 401 105 0405 MT GLAZE 100 JA 1 16W R102 401 105 0405 MT GLAZE 100 JA 1 16W R1201 401 105 3208 MT GLAZE 270 JA 1 16W R1203 401 105 3208 MT GLAZE 270 JA 1 16W R1206 401 105 3208 MT GLAZE 270 JA 1 16W R1207 401 0...

Page 25: ...0 JA 1 6W R880 401 105 4700 MT GLAZE 39K JA 1 16W R881 401 024 7004 CARBON 1K JA 1 6W R884 401 027 0309 CARBON 47K JA 1 6W R885 401 024 7004 CARBON 1K JA 1 6W COIL L242 645 011 0252 INDUCTOR 2 2U K L243 645 011 0252 INDUCTOR 2 2U K L244 645 011 0252 INDUCTOR 2 2U K L3452 645 011 0252 INDUCTOR 2 2U K L3456 645 011 0252 INDUCTOR 2 2U K L3457 645 011 0252 INDUCTOR 2 2U K L3459 401 105 7909 MT GLAZE 0...

Page 26: ...5 TE 17 D1044 407 206 5608 ZENER DIODE UDZS TE 1710B D1046 407 206 5608 ZENER DIODE UDZS TE 1710B D1048 407 206 5608 ZENER DIODE UDZS TE 1710B D1052 407 206 5608 ZENER DIODE UDZS TE 1710B MISCELLANEOUS K1001 652 001 3537 SOCKET RGB 21P K1002 645 032 1979 JACK RCA 3 K1003 645 032 1979 JACK RCA 3 K1004 645 016 0806 SOCKET DIN 4P 610 311 6365 ASSY PWB CRT F8WA 1AA0B10E6870C TRANSISTOR Q701 406 009 95...

Page 27: ...7909 MT GLAZE 0 000 ZA 1 16W D751 407 149 0807 DIODE 1SS355 TE 17 D752 407 149 0807 DIODE 1SS355 TE 17 D753 407 149 0807 DIODE 1SS355 TE 17 D754 407 149 0807 DIODE 1SS355 TE 17 MISCELLANEOUS K701 L 645 026 2005 SOCKET CRT 8P 27 F8WA Ref No Part No Description Ref No Part No Description ...

Page 28: ...D1951 SW1953 SW1952 SW1955 SW1951 SW691H1 K1101 C651 J540 J541 J542 J543 J544 V A 69 1 R691 C437A C436 R436 C437 R435 R103 L501 C511 R512 L442 L442 2 R516 D503 C529 R445 Q451 R657 C501 D501 R502 C506A C505 IC501 VERT DEF R534 C502 R515 R483 C527 C687 C506 C442 R477 Q425 C428 R475 D422 C429 R467 R459 R461 R476 R460 D423 C427 C442A R442 D441 KCC D449 L443 L443A D431 J545 D446 J546 D481 R480 R452 R45...

Page 29: ...74 J271 J272 R822 R821 J273 L801 L802 L803 J274 R817 J275 J276 J277 J278 R824 R823 J279 R875 IC803 MEMORY R815 J280 IC801 R881 D826 X801 J282 C811 R826 C802 L861 C826 J283 R884 R885 J284 J285 J299 J300 J301 J302 J303 J304 J305 J306 J307 J308 J309 J310 J311 J312 J313 J314 J315 J316 J317 K30CC K30BB K30AA J318 J319 C1202 A101 K30DD K30EE J320 J321 R843 R844 J324 R851 J291 R271 R272 R273 J322 J323 J1...

Page 30: ... 6 1 8V 7 13 7V 8 12 5V 9 12 5V 10 12 5V 528Vp p Q613 C Power out 47Vp p Vert 50 4Vp p IC501 pin3 V out IC641 Pin 1 8 1V 2 GND 3 5 1V 4 0Vp p Q611 C 5 5Vp p Q611 B 3 3Vp p Q612 B IC642 Pin 1 12 3V 2 GND 3 9 4V IC643 Pin 1 9 2V 2 GND 3 5 1V 9 0Vp p Q432 B 50Vp p Horiz 59 2Vp p Q431 C H drive 3 2Vp p Q431 B 1000Vp p Horiz 1040Vp p Q432 C H out Q462 B 0 5V C 16 8V E 0V Q044 B 0 4V C 5 0V E 0V IC1201 ...

Page 31: ...t Terminal K30EE pin4 VIDEO out 1 7Vp p IC3451 A2 STEREO NICAM DECODER Pin 1 N C 2 N C 3 0V 4 4 2V 5 4 1V 6 GND 7 3 3V 8 2 1V 9 N C 10 2 0V 11 2 0V 12 2 0V 13 0V 14 0V 15 4 9V 16 4 9V 17 0V 18 1 6V 19 1 7V 20 N C 21 N C 22 N C 23 N C 24 N C 25 N C 26 0V 27 0V 28 GND 29 2 4V 30 0V 31 2 4V 32 2 4V 33 2 4V 34 2 4V 35 0V 36 2 4V 37 2 4V 38 3 3V 39 3 3V 40 0V 41 0V 42 0V 43 0V 44 0V 45 0V 46 1 7V 47 2 ...

Page 32: ...SANYO Electric Co Ltd A14800 Feb 04 30 BB Printed in Japan ...

Page 33: ... 2400010 X 6 3EM 1000CD L2E9220KN L2E7220KN L2J4220KN 2SJ47 2SJ22 10K X 1000KK1000 CBB HB X X 25EM 2200CD KK680GQ X 1SS355 6 3EM100CD 2SJ22 BA178M05T MC78M05CT UPC78M05AHF L78M05CV 16EM 47CD AH MTZJ5 6B 16EM47CD 560 2SC3807RYA X X 1SS355 1SS355 1 16GJ 10KC 2SB985 S T 2SA1707 S T DJ10K DJ3 9K 1 2DJ 390 1 16GJ 10KC 2SB764E 2SA1020Y 1 16GJ 560KC EM1CD MTZJ 6 2B AJ 1 16GJ 10KC 1 16 GJ22KC 1 16GJ 6 8KC...

Page 34: ...4 AH 1 16GJ 470C 1 16GJ 100C AJ 16KZ2 2 FA GWF MTZJ4 3B 1 16GJ 15KC 1 16GJ 680C 1 16GJ 8 2KC KK0 01 GQ KK0 01 GQ J30B0250N J30B1380N 16EM 47CD 6 3EM 470CD 6 3EM 470CD EM10 CD 1 16GJ 100C 1 16GJ 100C J J X MTZJ36B X 1 16GZ 0C X X X X X 1 16GZ 0C X X X J10EA050N J10KR050N 1 16GJ 10KC 24LC08B P CAT24WC08P M24C08 BN6 KK0 01 GQ X X X X X X X X X X X X X X 1 16GJ 10KC X X X X KK0 01 GQ 16EM 47CD TDA9875...

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