Sanyo CP14SA1 Service Manual

Colour television
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SERVICE MANUAL Colour Television
TV/AV
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
Audio inputs: Phono jack
Video monitor outputs: Phono jack
Audio monitor outputs: Phono jack
Sound Output (RMS) . . . . 2 W
Speaker . . . . . . . . . . . . . . Diameter 8cm
Dimensions . . . . . . . . . . . 365 (W)
Weight . . . . . . . . . . . . . . . approx. 8.6 Kg
Specifications subject to change without notice.
C5SWG/C5SVG
MENU
-
+
CH
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
2 (1Vp - p, 75Ω)
2 (436mVrms, more than 40KΩ)
1(1Vp - p, 75Ω)
1(436mVrms, less than 600Ω)
1 pc.
362 (H)
383 (D)mm
FILE NO.
Model No. CP14SA1
Service Ref. No. CP14SA1-55
TIMER
TV/AV
1
2
3
4
5
6
7
8
0
-/--
9
BASS
A B
SURROUND
P
P
P
CH SCAN
P
SWAP
MENU
PIC MODE
JXMYA
Product Code: 111361937
Original Version
Chassis Series: AC5-G
(Software: AC5-G2)
- NOTE -
Service Ref. No. CP14SA1-65 is electrically the
same as Service Ref. No. CP14SA1-55.
The difference between Service Ref. No.
CP14SA1-55 and CP14SA1-65 are as follows:
1) Destination CP14SA1-55...Australia
CP14SA1-65...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.
REFERENCE NO.
(A)
(Australia/New Zealand)
(Australia)
CP14SA1-65
(New Zealand)
SM
5110594

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Table of Contents
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Summary of Contents for Sanyo CP14SA1

  • Page 1 Channel Coverage ..Australia VHF: 0-11, 5A - NOTE - UHF: 28-69 Service Ref. No. CP14SA1-65 is electrically the CATV: S1-S41, X, Y, Z, Z+1, Z+2 same as Service Ref. No. CP14SA1-55. New Zealand 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 Teletext decoder and SECAM decoder are not equipped.
  • Page 4: Chassis Block Diagram

    Chassis Block Diagrams SYSTEM CONTROL...
  • Page 5: Ic Block Diagrams

    IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818A 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> LA76818A...
  • Page 7: Service Information

    IC Block Diagrams IC501 < Vertical Output > LA78040/LA78040N Thermal Protection Pump IC001 < Audio AMP.> LA4266 300Ω 30kΩ Filter OUT2 Power Service Information 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.
  • Page 8: 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. The necessary service adjustments are carried out by using the RC handset. Please set up the TV set with following steps [1] to [2].
  • Page 9 Service Adjustments with Replacing Memory IC(IC802) Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments. Service mode adjustments table in CPU ROM DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM RANGE...
  • Page 10 Service Adjustments with Replacing Memory IC(IC802) DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM RANGE SETUP DESCRIPTION DATA DATA TUNER Tuner Option 0~255 ROM Correction AV123 AV1/AV2/AV3 Option, 0=AV only, 0~255 ROM Correction 1=AV1, AV2, 2~3=AV1, AV2,AV3 0~255 ROM Correction 88 OPT POS Programme number Option, 0~255...
  • Page 11: Service Adjustments With Replacing Memory Ic (Ic802)

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

    Service Adjustments Following adjustments are not required to readjust when replacing the memory IC. B-VOLTAGE SUPPLY CHECKING HIGH VOLTAGE CHECK (1) Connect DC meter to TP-B and the ground. Note: +B (+130V) Voltage Check and Grayscale Adjustment (2) Tune the receiver to an active channel and synchro- must be completed before attempting High Voltage Check.
  • Page 15: 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 16: 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 17: Cabinet Parts List

    SPRING-E3HA 610 293 3741 DEC IND-C4SA 610 299 0430 BUTTON UNITED-C5TA 610 306 8800 CABINET FRONT-C5SW 645 039 1866 BADGE,SANYO 610 305 4889 CABINET BACK-C5SW 610 313 0262 LABEL RATING-PAL SMALL 645 054 3579 ASSY,REMOCON JXMYA 610 300 5102 RC-BATTERY LID...
  • Page 18: Chassis Electrical Parts List

    C5SVG Chassis Electrical Parts List (Service Ref. No.CP14SA1-55 & -65) 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 19 C5SVG Ref. No. Part No. Description Ref. No. Part No. Description R707 401 105 7206 MT-GLAZE 82 JA 1/16W 405 020 7709 TR 2SC945A-QA R708 401 026 0607 CARBON 270 JA 1/6W 405 020 7907 TR 2SC945A-RA R711 401 065 4604 OXIDE-MT Q683 405 089 0000...
  • Page 20 C5SVG Ref. No. Part No. Description Ref. No. Part No. Description 409 172 1509 IC MC78M05CT C205 404 084 8905 ELECT 10U M 409 320 5700 IC UPC78M05AHF 403 049 4204 ELECT 10U M IC501 409 449 4103 IC LA78040 C208 403 367 0407 CERAMIC...
  • Page 21 C5SVG Ref. No. Part No. Description Ref. No. Part No. Description C607 404 038 1600 ELECT 100U M 400V R1003 401 024 7707 CARBON 100K JA 1/6W 404 067 4009 ELECT 100U M 400V R1004 401 105 6506 MT-GLAZE 680 JA 1/16W C608 403 247 6505 CERAMIC...
  • Page 22 C5SVG Ref. No. Part No. Description Ref. No. Part No. Description R424 401 024 7004 CARBON 1K JA 1/6W R816 401 105 0603 MT-GLAZE 10K JA 1/16W R426 401 024 7400 CARBON 10K JA 1/6W R817 401 105 0504 MT-GLAZE 1K JA 1/16W R432 401 024 7004...
  • Page 23 C5SVG Ref. No. Part No. Description Ref. No. Part No. Description 652 001 0123 CORE,PIPE D661 407 099 6102 ZENER DIODE MTZJ10B 652 001 0147 CORE,PIPE 407 054 0008 ZENER DIODE RD10EB2 L604 645 018 9722 CORE,PIPE 408 047 2306 ZENER DIODE MTZJ10B-52 652 001 0123 CORE,PIPE...
  • Page 24 SANYO Electric Co., Ltd. A14800/Jan./’04/30 BB Printed in Japan...
  • Page 25 N: Metalized carbon 8. This circuit diagram covers a basic or representative chassis only. There Kind (M.carbon) S: Oxied metalized CP14SA1-55 W: Wire wounding Rated wattage (1/2W) POSISTER may be some components or partial circuit differences between the...
  • Page 26 CRT BOARD (Component Location) Waveforms & Voltages (On the Main Board) R713 IC201 (IF/VIDEO/CHROMA) R719 Q701 (B-OUT) Pin-1 2.3V 2.2V 2.7V 3.2V 2.9V 2.9V 5.0V 2.5V R711 L702 Q701A 2.3V 4.3V 4.1V 4.3V 1.6V 1.7V 1.6V 8.3V R712 2.2V 2.1V 2.1V 2.0V 2.2V...

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