Sharp 37GT-25S User Manual

1
37GT-25S
SERVICE MANUAL
SHARP CORPORATION
PAL SYSTEM COLOUR TELEVISION
SEJB37GT25S00
GA-1 CHASSIS
In the interests of user safety (required by safety
regulations in some countries) the set should restored
to its original condition and only parts identical to
those specified should be used.
MODEL 37GT-25S
Issued: 31st Oct. ‘00
This document has been published to
be used for after sales service only.
ELECTRICAL SPECIFICATION........................3
IMPORTANT SERVICING NOTES....................4
SERVICE ADJUSTMENTS................................5
PRINTED WIRING BOARDS...........................12
SOLID STATE DEVICE BASE DIAGRAM.......20
SCHEMATIC DIAGRAM, WAVE FORMS........21
TROUBLESHOOTING TABLES......................28
PARTS ALLOCATION TABLES.......................16 PART LIST.......................................................30
BLOCK DIAGRAM...........................................26
CONTENTS

Sharp 37GT-25S Specifications

General

Resolution	1366 x 768
Display Type	LCD
Aspect Ratio	16:9
Weight	18 kg
Screen Size	37 inches
Input Ports	Component, Composite, VGA
Sound Output	20 W

Summary

SHARP SERVICE MANUAL

Electrical Specifications

Detailed technical parameters of the television set.

Important Servicing Notes

Critical safety instructions and precautions for servicing.

Service Adjustment

Procedures for adjusting various operational parameters in service mode.

Printed Wiring Boards

Component layout diagrams for the printed wiring boards.

Parts Allocation Tables

Tables listing component part numbers and their locations on the PWB.

Solid State Device Base Diagram

Diagrams showing the pin configurations of semiconductor devices.

Schematic Diagram

Detailed circuit diagrams for the television's electronic components.

Block Diagram

High-level functional block diagrams illustrating system architecture.

Troubleshooting Tables

Flowcharts and tables to diagnose and resolve common faults.

Part List

Comprehensive list of all replacement parts with their references.