Sanyo CP29AF2X Service Manual
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Sanyo CP29AF2X Service Manual

Sanyo CP29AF2X Service Manual

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SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . . . AC220-240V, 50Hz/60Hz.
Colour System . . . . . . . . PAL (AV Input: PAL/NTSC4.43/NTSC/PAL-60Hz)
Television System . . . . . . B/G
Channel Coverage . . . . . Australia
New Zealand
Video IF . . . . . . . . . . . . . . 38.0MHz
Aerial Input Impedance . . 75W
Ext. Terminals
Video inputs: Phono jack x 2 (1Vp - p, 75W)
S-Video inputs: Din 4 pin x 1 (Separate Y/C signal input)
Audio inputs: Phono jack (L/R) x 2 (436mVrms, more than 40KW)
Video monitor outputs: Phono jack x 1 (1Vp - p, 75W)
Audio monitor outputs: Phono jack (L/R) x 1 (436mVrms, less than 600W)
Headphone jack: Mini stereo jack x 1
Speaker . . . . . . . . . . . . . . 6 cm x 13cm x 2 pcs.
Sound Output (RMS) . . . . 5W + 5W
Dimensions . . . . . . . . . . . 750 (W) x 582 (H) x 503 (D)mm
Weight . . . . . . . . . . . . . . . approx. 46.8 Kg
Specifications subject to change without notice.
C2SW/C2SWZ
-
+
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
FILE NO.
Model No. CP29AF2X
(Australia/New Zealand)
Service Ref. No. CA29AF2X-00
TIMER
TV/AV
1
2
3
4
5
6
7
8
9
0
-/--
BASS
A B
SURROUND
PL
P
P
CH SCAN
PM
SWAP
MENU
PIC MODE
JXMYA
Product Code: 111351617
Original Version
Chassis Series: FC3-A
- NOTE -
Service Ref. No. CP29AF2X-10 is electrically the
same as Service Ref. No. CP29AF2X-00.
The difference between Service Ref. No.
CP29AF2X-00 and CP29AF2X-10 are as follows:
1) Destination CP29AF2X-00...Australia
CP29AF2X-10...New Zealand
2 ) The difference in a parts list is only a rated
label.
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.
(Australia)
CA29AF2X-10
(New Zealand)
SM
5110507

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  • Page 1 Chassis Series: FC3-A VHF: 0-11, 5A UHF: 28-69 - NOTE - CATV: S1-S41, X, Y, Z, Z+1, Z+2 Service Ref. No. CP29AF2X-10 is electrically the New Zealand same as Service Ref. No. CP29AF2X-00. VHF: 1-11 The difference between Service Ref. No.

  • 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 Diagram

    Chassis Block Diagrams SYSTEM CONTROL...

  • Page 5: Ic Block Diagrams

    IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818 Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output SIF Output PIF AGC Ext. Audio Input RF AGC Output PIF Input1 APC Filter VCO Coil 1 PIF Input 2 VCO Coil 2 IF Ground VCO Filter IF Vcc...
  • Page 6 IC Block Diagrams IC201 <IF System Block Diagram> LA76818...

  • Page 7: Amp.1

    IC Block Diagrams IC501 < Vertical Output > LA78041 IC001 < Audio AMP.> TA8200AH Thermal Protection Ripple Filter IN 1 IN 1 OUT 1 AMP.1 Pump PW-GND Pre-GND OUT 2 AMP.2 IN 2 IN 2 IC1401 < VIDEO Switch > MM1188XS CLAMP CLAMP CLAMP...

  • Page 8: Ic Block Diagrams

    IC Block Diagrams IC3701 < Audio Control & Surround > NJW1138MP TONE TONE SS-FIL OUT 1a IN 2a OUT 2a TONE VOL 2 VOL 1 IN 1a NJRC IIC BUS AUX0 ORIGINAL INTERFACE SURROUND AUX1 & SIMULATED SURROUND VOL 2 IN 1b VOL 1 TONE...

  • Page 9: Mechanical Disassemblies

    Mechanical Disassemblies CABINET BACK REMOVAL CHASSIS REMOVAL 1. Refer to Figure 1, remove 10 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 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 RF AGC Item 01, RF AGC Horizontal centre Item 02, H-PHA Vertical size Item 04, V-SIZ Vertical-S correction Item 05, V-SCO Vertical linearity Item 06, V-LIN...
  • Page 12 Service Adjustments with Replacing Memory IC (IC802) INITIAL DATA ITEM DESCRIPTION OBJECT DATA RANGE IC201 PORWN Switching of RF Pre-shoot and Over shoot. 0=Pre, 1=Over PORSN 00~03 RF Pre-shoot/Over shoot Gain Adj. IC201 -16~+15 RF Tint Adj. IC201 TINT -16~+15 IC201 NTSC 4.43 Tint Adj.

  • Page 13: Entering To Service Mode

    Service Adjustments with Replacing Memory IC(IC802) [Entering to Service Mode] Press and hold the MENU button on the Remote Control and press the VOLUME (+) button on the TV set. Following setting items appears on the screen. MENU Display for [RF AGC] RF AGC adjustment MENU Read Status SI.

  • Page 14: 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 13. Item 05 [V-SCO] V-S CORRECTION Item 01 [RF AGC] AGC NOTE: Do not attempt this adjustment with weak signal.

  • Page 15: Service Mode Adjustments

    Service Mode Adjustments Items 14-17, 19-21 GREY SCALE (1) Receive the monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Set each value of Item-14 RBIAS, 15 GBIAS, 16 BBIAS, 17 RDRIV and 19 BDRIV mode to 64. (5) Select Item-20 mode to be one horizontal scanning line and turn the screen volume on the FBT to obtain just visible one coloured line.

  • Page 16: Service Adjustments

    Service Adjustments SW501 B-VOLTAGE SUPPLY CHECKING (1) Connect a DC meter to TP-B and the ground. D501 KDY-6 KDY-1 KDY-3 J409 (2) Tune the receiver to an active channel and synchro- R540 Q540 C521 J1208 nized picture. Select NATURAL picture mode by press- J1207 R516 J1206...

  • Page 17: Special Function

    Special Function The following special functions can be set up on this TV How to set the special function: set. Note: When making the VOLUME LOCK setting, set the (1) Volume Lock setting desired maximum sound volume by pressing the VOLUME + or - button before entering Special Function setting mode.

  • Page 18: 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 Rubber wedge green, blue and white raster and crosshatch...

  • Page 19: Convergence Adjustment

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

  • Page 20: Cabinet Parts List

    DOOR-C2SA BADGE,SANYO 645 040 4672 BADGE,SANYO 645 041 7269 610 284 7833 SPRING PLATE-C2SA 610 303 7325 CABINET BACK-C2SW 610 303 4454 LABEL RATING-C2SW (Service Ref.No.CP29AF2X-00) 610 310 6410 LABEL RATING-C2SWZ (Service Ref.No.CP29AF2X-10) 610 256 7670 HOLDER AC CORD-SGP-D4VA -20-...

  • Page 21: Chassis Electrical Parts List

    Chassis Electrical Parts List C2SW (Service Ref. No.CP29AF2X-00 & CP29AF2X-10) 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 22 C2SW Ref. No. Part No. Description Ref. No. Part No. Description Q1401 405 134 5905 TR 2SA1037AK-T146-R 405 163 1602 TR 2SC2812N-L6-TB0 405 147 2205 TR 2SA1037AK-S-T146 405 163 1701 TR 2SC2812N-L7-TB0 405 002 0308 TR 2SA1037K T146 R 405 173 9803 TR 2SC3928A1R 405 002 0407 TR 2SA1037K T146 S...
  • Page 23 C2SW Ref. No. Part No. Description Ref. No. Part No. Description 405 015 8704 TR 2SC2812-L6-TB 405 012 2002 TR 2SC1815-GR 405 015 8902 TR 2SC2812-L7-TB 405 012 2309 TR 2SC1815-Y 405 163 1602 TR 2SC2812N-L6-TB0 405 020 7501 TR 2SC945A-PA 405 163 1701 TR 2SC2812N-L7-TB0 405 020 7709...
  • Page 24 C2SW Ref. No. Part No. Description Ref. No. Part No. Description 409 172 1509 IC MC78M05CT C203 403 149 9208 CERAMIC 0.01U Z IC3701 409 526 7409 IC NJW1138M C204 403 049 4204 ELECT 10U M IC3702 409 051 2900 IC TC4053BF-TP1 C205 403 049 4204...
  • Page 25 C2SW Ref. No. Part No. Description Ref. No. Part No. Description C449 403 041 8804 ELECT 10U M C681 403 039 9004 ELECT 1000U M C462 403 049 0008 ELECT 1U M C801 403 155 4204 CERAMIC 15P J C463 403 148 1401 ELECT 220U M...
  • Page 26 C2SW Ref. No. Part No. Description Ref. No. Part No. Description R1076 401 105 1402 MT-GLAZE 150 JA 1/16W R229 401 105 6506 MT-GLAZE 680 JA 1/16W R108 401 025 4606 CARBON 18K JA 1/6W R230 401 026 9303 CARBON 47 JA 1/6W R1081...
  • Page 27 C2SW Ref. No. Part No. Description Ref. No. Part No. Description R485 401 023 3700 CARBON 82K JA 1/4W R672 401 024 9701 CARBON 12K JA 1/6W R486 401 026 9907 CARBON 4.7K JA 1/6W R673 401 105 6100 MT-GLAZE 560K JA 1/16W R487 403 179 2101...
  • Page 28 C2SW Ref. No. Part No. Description Ref. No. Part No. Description 645 047 3371 TRANS,DRIVE 407 175 2905 ZD 02CZ12Z(TE85R) 652 000 0704 TRANS,DRIVE D1082 407 071 0005 ZENER DIODE DZD12X-TA T471 645 059 1105 TRANS,FLYBACK 407 071 0104 ZENER DIODE DZD12Y-TA T611 645 058 8037 TRANS,POWER,PULSE 29 SING...
  • Page 29 C2SW Ref. No. Part No. Description Ref. No. Part No. Description 408 009 9008 DIODE BYD33D SW1905 645 003 4701 SWITCH,PUSH 1P-1TX1 D605 407 006 6300 DIODE ERC05-10B 645 019 4887 SWITCH,PUSH 1P-1TX1 407 009 6901 DIODE RM11C 645 027 7382 SWITCH,PUSH 1P-1TX1 D606 407 006 6300...
  • Page 30 C2SW Ref. No. Part No. Description Ref. No. Part No. Description 408 008 2406 DIODE 1N4148 407 013 1206 DIODE 1S1555 407 013 4207 DIODE 1S2076 407 013 7109 DIODE 1S2473 D702 407 005 4505 DIODE DS442X 408 008 2406 DIODE 1N4148 407 013 1206 DIODE 1S1555...
  • Page 31 -31-...
  • Page 32 SANYO Electric Co., Ltd. A14800 /July /’03/30 BB Printed in Japan...
  • Page 33 N: Metalized carbon Kind (M.carbon) 8. This circuit diagram covers a basic or representative chassis only. There S: Oxied metalized CP29AF2X-00 W: Wire wounding may be some components or partial circuit differences between the Rated wattage (1/2W) POSISTER...
  • Page 34 CRT BOARD (Component Location) Waveforms & Voltages (On the Main Board) IC701 TRIPLE VIDEO OUTPUT AMP. IC701H IC1201 (AUDIO SW) IC001 (AUDIO AMP.) Pin-1 6.1V 2.7V 6.1V 3.3V 6.1V Pin-1 1.5V 1.5V 9.5V 12.9V 5.1V 27.7V C701 R708 R701 C711 3.3V 6.1V 6.1V...

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