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Sanyo CP29AF2T Service Manual

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SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . . .AC220-240V, 50/60Hz.
Colour System . . . . . . . .PAL (AV input : PAL/NTSC4.43/NTSC/PAL-60Hz)
Television System . . . . . .B/G
Channel Coverage . . . . .Australian Channels
New Zealand Channels
Video IF . . . . . . . . . . . . . 38.0MHz
Aerial Input Impedance . . 75Ω
Ext. Terminals
Video inputs: Phono jack
S-Video input
Audio inputs:Phono jack (R/L)
Video monitor outputs: Phono jack
Audio monitor outputs: Phono jack(R/L)
(436mVrms, Impedance less than 600Ω)
Headphone jack: Mini stereo jack
Speakers ......... 5cm
12cm
Sound Output (Music) . . . 7.5W + 7.5W
Dimensions
. . . . . . . . . . 750(W)
Weight . . . . . . . . . . . . . .approx. 46.8 Kg
Specifications subject to change without notice
C2SYT
-
+
P
VHF: 0-11, 5A
UHF: 28-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
VHF: 1-11
UHF: 21-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
3 (1.0Vp-p, impedance 75Ω)
1 (Din 4 pin, Separate Y/C Signals Input)
3 (436mVrms, impedance more than 40KΩ)
1 (1.0Vp-p, 75Ω)
1
1
2
582.5(H)
503(D)mm
FILE NO.
Model No. CP29AF2T
(Australia/New Zealand)
Service Ref. No. CP29AF2T-00
TIMER
TV/AV
1
2
3
4
5
6
7
8
0
9
-/--
P
MENU
ZOOM
P
VSM
SWAP
CH SCAN
P
P
TV/TEXT
i
X
?
ASM
SURROUND
A•B
BBE
BASS
JXMLA
Product Code: 1 113 516 38
Original Version
Chassis Series: FA1
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.
REFERENCE NO.
SM
5110181

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  • Page 1 FILE NO. SERVICE MANUAL Colour Television Model No. CP29AF2T (Australia/New Zealand) Service Ref. No. CP29AF2T-00 TIMER TV/AV -/-- MENU ZOOM SWAP CH SCAN TV/TEXT SURROUND A•B BASS JXMLA Specifications Power Source ..AC220-240V, 50/60Hz.

  • Page 2: Table Of Contents

    Contents Safety Notice ..........2 Chassis Block Diagram .

  • Page 3: Chassis Block Diagram

    Chassis Block Diagrams (MAIN SIGNAL PROCESSING CIRCUIT)
  • Page 4 Chassis Block Diagrams (SYSTEM CONTROL)

  • Page 5: Ic Block Diagrams

    IC Block Diagrams IC201 < IF/Video/Chroma> QXXAVB488 AUDIO EXIT AUDIO H OUTPUT AUDIO DIRECT AF DC H-OSC BLACK PEAK B-Y IN R-Y IN SIF IN DEFLECTION HI VCC X TAL 3.58 X TAL 4.43 IF OUT VIDEO VIDEO COLOUR APC IDENT FILTER IF APC KILLER FILTER...
  • Page 6 IC Block Diagrams IC501 < Vertical Output > LA7841 IC001 < Sound Output > LA4270 LA4270 THERMAL PUMP PROTECTION Thermal Shutdown Over LA7841 Voltage Ripple Filter IC1920 <Audio Control> UPC1857ACT 1/2Vcc DGND OFL1 OFL2 LBC LTC VOL-C C BUS 1/2Vcc INTERFACE Lout TONE...
  • Page 7 IC Block Diagrams IC211, IC302 QNJM2233BD Vout BUFFER Vin1 Vin2 IC3401 <BBE> QBA3880AFS 24 DETL DETR 22 DEFL DEFR 21 VCC – HI MID 20 VCAL VCAR 19 L-MIX R-MIX R-OUT L-OUT L-IN R-IN APFR – APFL HPFR HPFL LPFR BIASC LPFL...
  • Page 8 IC Block Diagrams IC1001 < AV Selector > MM1313BD MTV-V V1-V 34 V COMB V2-V V3-V STV-V V1-Y V2-Y V1-C -6dB 39 C V2-C MTV-L V1-L -6dB V2-L V3-L STV-L MTV-R V1-R 32 R -6dB V2-R 24 R V3-R STV-R BIAS BIAS ADDRESS...

  • Page 9: Service Adjustments

    Service Adjustments MAIN BOARD TELETEXT BOARD T611 Q613 CONVERTER POWER. OUT SECAM BOARD TRANS. Q612 POWER. DRIVE B-Voltage Supply Adjustment Pincushion Adjustment FOCUS ADJUSTMENT PINCUSHION ADJUSTMENT (1) Receive PAL cross hatch pattern. (1) Receive the cross hatch pattern signal. (2) Select ”DYNAMIC” picture mode with the remote (2) Adjust so that the vertical lines to become straight by control VSM (Video Status Memory) button.

  • Page 10: Service Adjustments With Replacing Memory Ic(Ic802)

    Service Adjustments with Replacing Memory IC(IC802) 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.
  • Page 11 Service Adjustments with Replacing Memory IC(IC802) [2] Required Service Adjustments Readjust the following service adjustments. Adjustments Service Mode No. & Item Horizontal centre adjustment Item 01, H-P Vertical centre adjustment Item 02, V-P Vertical size adjustment Item 03, V-S OSD position adjustment Item 04, OSD RF AGC adjustment Item 05, AGC...

  • Page 12: Entering To Service Mode

    Service Adjustments with Replacing Memory IC(IC802) [Entering to Service Mode] Press and hold the MENU button on the TV set and press the [1] button on the remote control handset. Following setting items appears on the screen. Display for [H-P] Horizontal centre adjustment Read Status TIMER TV/AV...

  • Page 13: Service Mode Adjustments

    Service Mode Adjustments Following adjustments should be carried out when the memory IC is replaced. How to enter the service mode and adjust values, please refer to “ Entering to Service mode” on page 12. Item 05 [AGC] AGC Item 01 [H-P] HORIZONTAL CENTRE NOTE: Do not attempt this adjustment with weak signal.

  • Page 14: Protection Circuit

    Service Mode Adjustments Items 18 - 24 GREY SCALE (1) Receive the monochrome circular pattern. TIMER TV/AV Red Drive - (2) Set the brightness and colour to normal, contrast to Red Bias + maximum. Red Bias - Red Drive + (3) Enter to the service mode.

  • Page 15: Purity And Convergence Adjustment

    Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: Signals: Use a pattern generator which can output red, Figure 1 green, blue and white raster and crosshatch pattern signals.

  • Page 16: Convergence Adjustment

    Purity and Convergence Adjustment Figure 5 CONVERGENCE ADJUSTMENT Preparation: After carrying out purity adjustment and before proceeding to convergence adjustment, provisionally insert the rubber wedge so that there is no vertical or sideways play in the deflection yoke. Signals: Display a crosshatch pattern. 1.

  • Page 17: Mechanical Disassemblies

    Mechanical Disassemblies CABINET BACK REMOVAL CHASSIS REMOVAL 1. Refer to Figure 1, remove 12 screws. 1. Remove cabinet back. 2. Pull off cabinet back and remove. 2. Discharge the picture tube anode (2nd anode lead) to the dag coating (picture tube grounding lead). 3.

  • Page 18: Cabinet Parts List

    INSTRUCTIONS MANUAL 610 284 7734 DOOR 610 284 7741 DOOR COVER 610 284 7765 DEC SHEET DOOR 645 030 7348 BADGE,SANYO 610 291 6065 CABINET FRONT 610 284 7833 SPRING PLATE 610 284 6041 CABINET BACK 610 286 0443 LABEL RATING...

  • Page 19: Chassis Electrical Parts List

    Chassis Electrical Parts List C2SYT Product safety 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.
  • Page 20 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description 405 020 7907 TR 2SC945A-RA 407 012 4406 DIODE 1SS133 Q2004 405 011 8401 TR 2SC1740S-Q 407 013 4306 DIODE 1S2076A 405 011 8500 TR 2SC1740S-R 407 013 7109 DIODE 1S2473 405 011 8609 TR 2SC1740S-S...
  • Page 21 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description 405 020 7709 TR 2SC945A-QA 405 012 2002 TR 2SC1815-GR 405 020 7907 TR 2SC945A-RA 405 012 2101 TR 2SC1815-O Q190 406 000 6804 TR 2SA1015-GR(SAN) 405 012 2309 TR 2SC1815-Y 405 001 7407 TR 2SA1015-O(SAN)
  • Page 22 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description 405 151 3304 TR 2SA608NF-NPA 405 020 7501 TR 2SC945A-PA 405 006 1707 TR 2SA933S-Q 405 020 7709 TR 2SC945A-QA 405 006 1806 TR 2SA933S-R 405 020 7907 TR 2SC945A-RA Q612 405 058 0208 TR 2SC3807-R-CTV-YA...
  • Page 23 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description C207 403 149 9208 CERAMIC 0.01U Z 403 045 9807 ELECT 2200U M C211 403 149 9208 CERAMIC 0.01U Z C517 403 053 2104 ELECT 220U M C212 403 149 9208 CERAMIC 0.01U Z C518...
  • Page 24 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description R103 401 061 8101 OXIDE-MT 39K JA R227 401 105 4205 MT-GLAZE 33K JA 1/16W R104 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R228 401 105 0702 MT-GLAZE 100K JA 1/16W R105 401 105 0504 MT-GLAZE...
  • Page 25 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description R514 401 024 9701 CARBON 12K JA 1/6W R842 401 105 7404 MT-GLAZE 8.2K JA 1/16W R515 401 025 8208 CARBON 22K JA 1/6W R843 401 105 7404 MT-GLAZE 8.2K JA 1/16W R516 401 027 5205...
  • Page 26 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description L462 645 000 2229 INDUCTOR,430UH D634A 407 154 2704 DIODE YG901C2-LB L511 610 210 3908 PEAKING COIL 33UHK D635A 407 154 2704 DIODE YG901C2-LB 645 001 5748 INDUCTOR,33U K D641 407 099 5501 ZENER DIODE MTZJ6.2C...
  • Page 27 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description 645 019 4887 SWITCH,PUSH 1P-1TX1 405 011 8609 TR 2SC1740S-S SW1906 645 003 4701 SWITCH,PUSH 1P-1TX1 405 012 2002 TR 2SC1815-GR 645 019 4887 SWITCH,PUSH 1P-1TX1 405 012 2101 TR 2SC1815-O SW601 645 003 6811...
  • Page 28 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description 405 006 1707 TR 2SA933S-Q 405 020 7907 TR 2SC945A-RA 405 006 1806 TR 2SA933S-R INTEGRATED CIRCUIT Q316 405 011 8401 TR 2SC1740S-Q 405 011 8500 TR 2SC1740S-R IC001 409 017 7505 IC LA4270 405 011 8609...
  • Page 29 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description C306 403 048 6308 ELECT 0.47U M C3518 403 046 9905 ELECT 4.7U M C307 403 149 9208 CERAMIC 0.01U Z C3530 403 043 9106 ELECT 47U M C308 403 041 8804 ELECT 10U M...
  • Page 30 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description R341 401 026 4605 CARBON 33K JA 1/6W 610 285 9980 ASSY,PWB,AV&SECAM C2SYT R3411 401 105 0405 MT-GLAZE 100 JA 1/16W 1AA0B10E602J0 R3413 401 105 0405 MT-GLAZE 100 JA 1/16W R342 401 105 0504 MT-GLAZE...
  • Page 31 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description 405 020 7907 TR 2SC945A-RA R1309 401 105 1402 MT-GLAZE 150 JA 1/16W R1310 401 105 1402 MT-GLAZE 150 JA 1/16W INTEGRATED CIRCUIT R1311 401 105 1402 MT-GLAZE 150 JA 1/16W IC1001 409 419 5406 IC MM1313BD...
  • Page 32 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description 610 283 9241 ASSY,PWB,SOCKET C2SC Q1708 406 000 6804 TR 2SA1015-GR(SAN) 1AA0B10E60400 405 001 7407 TR 2SA1015-O(SAN) 405 001 7605 TR 2SA1015-Y(SAN) TRANSISTOR 405 004 3109 TR 2SA564A-Q(CU) Q1700 406 000 6804 TR 2SA1015-GR(SAN) 405 004 3208...
  • Page 33 C2SYT Ref. No. Part No. Description Ref. No. Part No. Description CAPACITOR R1734 401 024 7707 CARBON 100K JA 1/6W R1735 401 010 7704 CARBON 560 JB 1/2W C1700 403 067 5603 MT-COMPO 0.1U J R1736 401 024 9701 CARBON 12K JA 1/6W 403 237 8007...
  • Page 34 SANYO Electric Co., Ltd. A14800 Jan. /’01 /500 SI Printed in Japan...
  • Page 35 Rated wattage (1/2W) W: Wire wounding 1S1553, 1S2076A, 1S2471, 1N4148 may be some components or partial circuit differences between the SERVICE CP29AF2T-00 C: Solid 1S1555, 1S2473, 1S2076, DS442, 1N4148 actual chassis and the circuit diagram. REF. NO. 9. Parts specified with "X" are not installed in this model.
  • Page 36 (On the Socket Board) TO:MAIN UNIT (KN) Q1700 Q1701 Q1702 Q1703 Q1705 Q1709 Q1711 Q1712 Q751 Q752 Q1706 Q1707 Q1708 JP021 B 2.5V B 19.8V B 15.9V B 0.6V B 11.6V B 1.0V B 12.1V B 12.1V B 139.0V B 1.0V B 0.1V B 0.3V 9.9V...

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