Sanyo CP29AF2T User Manual

SERVICE MANUAL Colour Television
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TV/AV
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
VHF: 0-11, 5A
UHF: 28-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
New Zealand Channels
VHF: 1-11
UHF: 21-69
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . 38.0MHz
Aerial Input Impedance . . 75Ω
Ext. Terminals
Video inputs: Phono jack
✕ 3 (1.0Vp - p, impedance 75Ω)
S-Video input ✕ 1 (Din 4 pin, Separate Y/C Signals Input)
Audio inputs:Phono jack (R/L) ✕ 3 (436mVrms, impedance more than 40KΩ)
Video monitor outputs: Phono jack ✕ 1 (1.0Vp
- p, 75Ω)
Audio monitor outputs: Phono jack(R/L) ✕ 1
(436mVrms, Impedance less than 600Ω)
Headphone jack: Mini stereo jack ✕ 1
Speakers ......... 5cm ✕ 12cm ✕ 2
Sound Output (Music) . . . 7.5W + 7.5W
Dimensions . . . . . . . . . . 750(W) ✕ 582.5(H) ✕ 503(D)mm
Weight . . . . . . . . . . . . . .approx. 46.8 Kg
Specifications subject to change without notice
Product Code: 1 113 516 38
Chassis Series: FA1
C2SYT
FILE NO.
Model No. CP29AF2T
Service Ref. No. CP29AF2T-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.
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REFERENCE NO. SM5110181
Original Version

Sanyo CP29AF2T Specifications

General

Brand	Sanyo
Model	CP29AF2T
Category	TV
Language	English

Summary

SERVICE MANUAL Colour Television

Specifications

Technical details of the TV receiver's capabilities and features.

Safety Notice

SAFETY PRECAUTIONS

Essential safety guidelines for operating and servicing the television.

X-RADIATION PRECAUTION

Specific warnings and precautions regarding X-radiation exposure.

PRODUCT SAFETY NOTICE

Important safety information regarding component replacements.

Chassis Block Diagrams

MAIN SIGNAL PROCESSING CIRCUIT

Diagram illustrating the main signal processing path within the chassis.

SYSTEM CONTROL

Diagram showing the system control logic and its interconnections.

IC Block Diagrams

IF/Video/Chroma IC (QXXAVB488)

Detailed block diagram of the IF/Video/Chroma integrated circuit.

Vertical Output IC (LA7841)

Block diagram for the LA7841 vertical output integrated circuit.

Sound Output IC (LA4270)

Block diagram for the LA4270 sound output integrated circuit.

Audio Control IC (UPC1857ACT)

Block diagram for the UPC1857ACT audio control integrated circuit.

COMB Filter IC (TC9090ANM)

Block diagram for the TC9090ANM comb filter integrated circuit.

ICs 211, 302 (QNJM2233BD)

Block diagrams for ICs 211 and 302, the QNJM2233BD.

BBE IC (QBA3880AFS)

Block diagram for the QBA3880AFS BBE audio processing IC.

AV Selector IC (MM1313BD)

Block diagram of the MM1313BD AV selector integrated circuit.

3D Surround Processor IC (MM1369)

Block diagram for the MM1369 3D surround processor integrated circuit.

Service Adjustments

Focus Adjustment

Procedure for adjusting the picture tube focus for optimal sharpness.

Pincushion Adjustment

Steps to correct geometric distortion of vertical lines.

B-Voltage Supply Adjustment

How to adjust the B-voltage for proper operation.

High Voltage Check

Procedure for verifying the television's high voltage output.

Service Adjustments with Replacing Memory IC(IC802)

Initializing Procedure

Steps to initialize the memory IC after replacement for correct TV operation.

Required Service Adjustments

List of specific adjustments needed after memory IC replacement.

Entering to Service Mode

Guide on how to access the service mode for adjustments.

Service Mode Adjustments

Horizontal Centre Adjustment (Item 01 H-P)

Procedure to adjust the horizontal centering of the picture.

Vertical Centre Adjustment (Item 02 V-P)

Procedure to adjust the vertical centering of the picture.

Vertical Size Adjustment (Item 03 V-S)

Procedure to adjust the vertical size of the picture.

OSD Position Adjustment (Item 04 OSD)

Steps to adjust the position of the On-Screen Display elements.

RF AGC Adjustment (Item 05 AGC)

Procedure for adjusting the Radio Frequency Automatic Gain Control.

AFT Adjustment (Item 06 VCO)

Procedure for adjusting the Automatic Fine Tuning voltage control oscillator.

SIF Adjustment (Item 07 SIF)

Procedure for adjusting the Sound Intermediate Frequency signal.

Grey Scale Adjustment (Items 18-24)

Procedure for setting up grayscale and drive levels for color balance.

Protection Circuit

Releasing Protective Circuit

Steps to release the power supply protection circuit and restore operation.

Purity and Convergence Adjustment

Purity Adjustments

Steps for adjusting display purity for accurate color reproduction.

Convergence Adjustment

Procedure for aligning the Red, Green, and Blue electron beams.

Mechanical Disassemblies

Cabinet Back Removal

Instructions for safely removing the rear cabinet cover.

Chassis Removal

Guide for detaching the main chassis assembly from the TV.

Picture Tube Removal

Detailed procedure for removing and replacing the picture tube.

Cabinet Parts List

Chassis Electrical Parts List

SERVICE MANUAL COLOUR TELEVISION

Circuit Diagram Notice

Notes and warnings related to interpreting circuit diagrams.

Waveforms & Voltages

Test points and expected voltage/waveform values for diagnostics.

Teletext Board Component Location

Visual guide to component placement on the Teletext board.

AVS Board Component Location

Visual guide to component placement on the AVS board.

Main Board Component Location

Visual guide to component placement on the main board.

Component Location Diagrams

Sub Board Component Location

Visual guide to component placement on the sub board.

Socket Board Component Location

Visual guide to component placement on the socket board.

AV Board Component Location

Visual guide to component placement on the AV board.