Sanyo LCD-32XH3 User Manual

SERVICE MANUAL LCD Television
N4AV
FILE NO.
Model No. LCD-32XH3
(Argentina)
Give complete “SERVICE REF. NO.” for parts order or
servicing. It is shown on the rating label at the cabinet
back of the unit.
This T.V. receiver will not work properly in for-
eign countries where the television transmission
system and power source differ from the design
specifications. Refer to the specification table.
Service Ref. No. LCD-32XH3-00
Product Code:113004416
Original Version
Chassis Series: UH1-L
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . 4
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
IC7200 Port Functions . . . . . . . . . . . . . . . . . . . . . 12-14
CPU (IC8000) Port Functions . . . . . . . . . . . . . . . 15-16
On-screen Service Menu System . . . . . . . . . . . . . 17-24
Service Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 25
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . 26-31
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 32-33
Chassis Electrical Parts List . . . . . . . . . . . . . . . . 34-52
ECO
MAIN/SUB
CHANGE
BACK
PIP
BASS
SOUND
VIDEO MODE
POWER
RECALL
DISPLAY
MUTE
AUDIO MODE
SLEEP
IMAGE
ZOOM
SURROUND
CH
CH

Sanyo LCD-32XH3 Specifications

General

Screen Size	32 inches
Display Technology	LCD
Resolution	1366 x 768
HDMI Ports	2
Component Video Input	1
Composite Video Input	1
Aspect Ratio	16:9
Contrast Ratio	1000:1
Brightness	500 cd/m²
Response Time	8 ms
Sound Output	10W x 2
Viewing Angle	176°
Input Ports	HDMI, Component, Composite, PC

Summary

Safety Precautions and Notices

General Safety Precautions

General safety guidelines for handling and servicing the television.

Product Safety Component Replacement Notice

Component replacement safety guidelines, highlighting critical components.

Television Specifications

Chassis Block Diagram Overview

Integrated Circuit Block Diagrams

Sync Separation IC Block Diagram

Block diagram for the Sync. Separation IC (LA7217M-T).

Audio Amplifier IC Block Diagram

Block diagram for the Audio Amplifier IC (LA4919N-E).

Audio Control/3D Surround IC Block Diagram

Block diagram for Audio Control/3D Surround IC (NJW1167V).

Power Controller IC Block Diagram

Block diagram for Power Controller IC (FA7700V-TE1).

Digital Video Decoder IC Block Diagram

Block diagram for Digital Video Decoder IC (TVP5147PFP).

AV Switch IC Block Diagram

Block diagram for the AV Switch IC (LA79500E), covering Video and Audio.

Stereo D/A Converter IC Block Diagram

Block diagram for Stereo D/A Converter IC (CS4334-KSZ).

PFC Controller IC Block Diagram

Block diagram for PFC Controller IC (L6562D).

Power Supply Controller IC Block Diagram

Block diagram for Power Supply Controller IC (MR4010-7101).

High Voltage Resonant Controller IC Block Diagram

Block diagram for High Voltage Resonant Controller IC (L6598D).

IC7200 Port Functions and Interfaces

IC7200 MCU Interface Pin Functions

Interface pins for microcontroller communication and control.

IC7200 Analog Interface Pin Functions

Analog input pins for video signal processing and reference grounds.

IC7200 DVI Interface Pin Functions

Pins for Digital Visual Interface (DVI) input signals.

IC7200 Video Interface Pin Functions

Digital Video Input Clock and Data pins.

IC7200 Digital Audio Interface Pin Functions

Pins for digital audio clock, serial data, and mute control.

IC7200 LVDS Interface Pin Functions

Pins for Low-Voltage Differential Signaling data transmission.

IC7200 GPO Interface Pin Functions

General Purpose Output pins for various control functions.

IC7200 DRAM Interface Pin Functions

Pins for Synchronous Dynamic Random-Access Memory interface.

IC7200 Miscellaneous Interface Pin Functions

Pins for crystal oscillator, HDCP, and regulator control.

IC7200 Power Supply Pin Functions

Power supply pins for various IC functions and ground connections.

CPU (IC8000) Port Functions

CPU System Control Pin Functions

Pin functions for system control, remote input, and power management.

On-screen Service Menu System Operation

General Service Menu Information

Overview of the on-screen service menu system and its capabilities.

Service Adjustment Data Table

Table listing adjustable parameters, initial data, and target ICs.

Service Adjustments Procedures

Setting Initial Data Procedure

Procedure for setting initial adjustment data via the service menu.

White Balance Adjustment Procedure

Procedure for adjusting the white balance using the service menu.

Mechanical Disassembly Guide

Mechanical Disassembly Diagram

Exploded view diagram showing major assemblies for disassembly.

Stand Removal Procedure

Step-by-step instructions for removing the television stand.

Cabinet Back Removal Procedure

Instructions for removing the rear cabinet cover.

Circuit Board Removal Procedure

Procedure for removing main, power, and key circuit boards.

Flat Cable Removal Instructions

Methods for safely removing various types of flat cable connectors.

LCD Panel Removal Procedure

Steps for removing the LCD panel from its holder.

Cabinet Parts List

Chassis Electrical Parts List

Notes on Component Specifications

Explanation of capacitor and resistor tolerance symbols and rated values.

Out of Circuit Board Components List

List of components not mounted on the main PCB, including transistors and ICs.