Sanyo CP29KX2Z Service Manual

Colour television
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SERVICE MANUAL Colour Television
VIDE O
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 . . 75Ω
Ext. Terminals
Video inputs: Phono jack x 2 (1Vp - p, 75Ω)
Audio inputs: Phono jack (L/R) x 2 (436mVrms, more than 40KΩ)
Video monitor outputs: Phono jack x 1 (1Vp - p, 75Ω)
Audio monitor outputs: Phono jack (L/R) x 1 (436mVrms, less than 600Ω)
Headphone jack: Mini stereo jack x 1
Speaker . . . . . . . . . . . . . . 6 cm x 12cm x 2 pcs.
Sound Output . . . . . . . . . 10W + 10W
Dimensions . . . . . . . . . . . 770 (W) x 590 (H) x 499 (D)mm
Weight . . . . . . . . . . . . . . . approx. 38.4 Kg
Specifications subject to change without notice.
C4LW
L-AU DIO-
R
TV/AV MENU
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. CP29KX2Z
Service Ref. No. CP29KX2Z-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: 111358617
Original Version
Chassis Series: AC5-D
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)
SM
5110380

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Summary of Contents for Sanyo CP29KX2Z

  • Page 1 FILE NO. SERVICE MANUAL Colour Television Model No. CP29KX2Z (Australia) Service Ref. No. CP29KX2Z-00 TIMER TV/AV -/-- BASS SURROUND CH SCAN SWAP MENU PIC MODE VIDE O L-AU DIO- TV/AV MENU JXMYA Specifications Power Source ..AC220-240V, 50Hz/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/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 IC Block Diagrams IC001 < Audio AMP.> TA8200AH Ripple Filter IN 1 IN 1 OUT 1 AMP.1 400Ω 20KΩ PW-GND Pre-GND 20KΩ 400Ω OUT 2 AMP.2 IN 2 IN 2 IC1201 < AV Switch > LA7016 OUTPUT N.C. INPUT 2 INPUT 1 N.C.
  • Page 8 IC Block Diagrams IC3701 < Audio Control & Surround > NJW1138MP TONE TONE SS-FIL OUT 1a IN 2a OUT 2a VOL 2 TONE VOL 1 IN 1a NJRC IIC BUS AUX0 ORIGINAL INTERFACE SURROUND AUX1 & SIMULATED SURROUND VOL 2 IN 1b VOL 1 TONE...
  • Page 9: Service Information

    Service Information I Protection Circuit 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 27 of the CPU to go continually Low(less than 0.75V) for about one second.
  • 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 Gray scale...
  • 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 RF Pre-shoot/Over shoot Gain Adj. IC201 00~03 -16~+15 RF Tint Adj. IC201 TINT -16~+15 IC201 NTSC 4.43 Tint Adj.
  • Page 13 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 01 [RF AGC] AGC Item 06 [V-LIN] VERTICAL LINEARITY NOTE: Do not attempt this adjustment with weak signal.
  • Page 15 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 VERTICAL CENTRE B-VOLTAGE SUPPLY CHECKING (1) Receive monochrome circular pattern. (1) Connect DC meter to TP-B (R435) and the ground. (2) Set the brightness and contrast to maximum. (2) Tune the receiver to an active channel and synchro- (3) Adjust the vertical centre of the picture with SW501.
  • 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: PURITY ADJUSTMENT 8. Tighten the mounting screw of the Deflection Yoke. Adjust 1.
  • Page 19: Cabinet Parts List

    Description 610 299 4315 ASSY,BUTTON POWER-C4LY 610 295 2483 DEC IND-C4LA 610 303 5918 ASSY,BUTTON UNITED-C4LW 645 043 3801 BADGE,SANYO 610 302 7067 ASSY,CABINET FRONT-C4LW 610 300 5966 COMPL,CABINET FRONT-C4LW 5-a1 610 300 6109 CABINET FRONT-C4LW 5-a2 645 019 2210...
  • Page 20: Chassis Electrical Parts List

    C4LW Chassis Electrical Parts List 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 21 C4LW Ref. No. Part No. Description Ref. No. Part No. Description 405 015 8704 TR 2SC2812-L6-TB 405 012 2309 TR 2SC1815-Y 405 015 8902 TR 2SC2812-L7-TB 405 157 0505 TR 2SC536NF-NPA 405 163 1602 TR 2SC2812N-L6-TB0 405 151 8705 TR 2SC536NG-NPA 405 163 1701 TR 2SC2812N-L7-TB0 405 020 7501...
  • Page 22 C4LW Ref. No. Part No. Description Ref. No. Part No. Description 405 002 0308 TR 2SA1037K T146 R C106 403 051 3103 ELECT 47U M 405 002 0407 TR 2SA1037K T146 S C107 403 051 3103 ELECT 47U M 405 002 6706 TR 2SA1179-M6-TB C1101 403 049 4204...
  • Page 23 C4LW Ref. No. Part No. Description Ref. No. Part No. Description C3721 403 051 0607 ELECT 4.7U M 403 076 7100 CERAMIC 1000P M C3722 403 051 0607 ELECT 4.7U M C607 404 072 8405 ELECT 270U M 400V C3723 403 061 8303 POLYESTER 4700P K...
  • Page 24 C4LW Ref. No. Part No. Description Ref. No. Part No. Description C861 403 047 8402 ELECT 0.1U M R174 401 105 0405 MT-GLAZE 100 JA 1/16W C862 403 164 0204 CERAMIC 0.1U Z R176 401 105 0603 MT-GLAZE 10K JA 1/16W C880 403 155 2200 CERAMIC...
  • Page 25 C4LW Ref. No. Part No. Description Ref. No. Part No. Description R3742 401 105 8203 MT-GLAZE 68K JA 1/16W R639 401 024 9701 CARBON 12K JA 1/6W R3743 401 105 8203 MT-GLAZE 68K JA 1/16W R642 401 058 5007 OXIDE-MT R3744 401 105 8203 MT-GLAZE...
  • Page 26 C4LW Ref. No. Part No. Description Ref. No. Part No. Description R894 401 024 6700 CARBON 100 JA 1/6W D1901A 610 273 7929 HOLDER LED-S4KF D249 407 099 6003 ZENER DIODE MTZJ9.1B VARIABLE RESISTOR 407 057 9701 ZENER DIODE RD9.1EB2 VR462 645 006 5606 VR,SEMI,4.7K N...
  • Page 27 C4LW Ref. No. Part No. Description Ref. No. Part No. Description 408 009 9008 DIODE BYD33D SW1906 610 011 2698 SWITCH,PUSH D618 407 005 4505 DIODE DS442X 645 020 9239 SWITCH,PUSH 1P-1TX1 408 008 2406 DIODE 1N4148 SW501 610 011 2728 SWITCH,LEVER 1P-3T 407 012 4406 DIODE 1SS133...
  • Page 28 DIODE DS442X 408 008 2406 DIODE 1N4148 407 013 1206 DIODE 1S1555 407 013 4207 DIODE 1S2076 407 013 7109 DIODE 1S2473 MISCELLANEOUS K701 645 026 2005 SOCKET,CRT 8P SANYO Electric Co., Ltd. A14800 /Aug. /’02 /30 BB Printed in Japan...
  • Page 29 8. This circuit diagram covers a basic or representative chassis only. There S: Oxied metalized W: Wire wounding may be some components or partial circuit differences between the Rated wattage (1/2W) POSISTER SERVICE CP29KX2Z-00 C: Solid RESISTOR actual chassis and the circuit diagram. REF. NO. 12 X 10 =12K 9.
  • Page 30 CRT BOARD (Component Location) Waveforms & Voltages (On the Main Board) IC701 IC701H IC001 (AUDIO AMP.) C701 R708 Pin-1 1.6V 1.6V 7.8V 10.5V 5.1V 23.0V R701 R705 4.3V 12 10.3V C711 C703 R703 C702 R704 R702 IC1201 (VIDEO SW) R709 R721 Pin-1 9.1V 5.7V...

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