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.

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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

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SERVICE INSTRUCTIONS

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HANDLING THE LCD MODULE

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z20DL76

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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

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(b) NO backlight

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© TV no signal