Toshiba 20DL76 User manual

SERVICE MANUAL

LCD COLOR TELEVISION

DOCUMENT CREATED IN JAPAN, 2006

20DL76

FILE NO. 050-200630GR

The above model is classified as a green product (*1), as indicated by the underlined serial number.

This Service Manual describes replacement parts for the green product. When repairing this green

product, use the part(s) described in this manual and lead-free solder (*2).

For (*1) and (*2), see the next page.

2

TABLE OF CONTENS

SERVICE INSTRUCTIONS............................................................................. 3

HANDLING THE LCD MODULE.................................................................. 5

APPEARANCE DESCRIPTION ..................................................................... 7

TROUBLE SHOOTING GUIDE ................................................................... 16

PACKING EXPLODED VIEW...................................................................... 21

CIRCUIT BLOCK DIAGRAM...................................................................... 32

PCB DRAWING............................................................................................... 48

SERVICE PARTS LIST.................................................................................. 51

3

SERVICE INSTRUCTIONS

4

5

HANDLING THE LCD MODULE

6

15

z20DL76

16

Trouble Shooting Guide

1. Introduction

This document is prepared to be a guide to repair trouble sets, some problems happen more frequently are taken as

example in it. Those are turn on fail, no signal, no sound, etc.

2. Problems

(a) Turn on fail

17

(b) NO backlight

18

© TV no signal

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