JVC LT-32EX19/AT - User Manual

SERVICE MANUAL
COPYRIGHT © 2009 Victor Company of Japan, Limited
No.YA702<Rev.005>
2009/7
LCD COLOUR TELEVISION
YA702<Rev.005>20097SERVICE MANUAL
LT-32EX19/AT, LT-32EX19/BT, LT-32EX19/BBT,
LT-32EX19
/EBT,LT-32EX19/MAT, LT-32EX19/MBT,
LT-32EX19 /NBSK , LT-32EX19/PAT, LT-32EX19/PBT,
LT-32EX19 /RBCK , LT-32EX19/SAT, LT-32EX19/SBT,
LT-32EX19 /VBSK , LT-32EX29/NBSK
COPYRIGHT © 2009 Victor Company of Japan, Limited
<FU3 CHASSIS LINEUP>
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
No.YA702
: LT-32EX19 No.YA703: LT-32BX19 No.YA704: LT-42EX19
No.YA708
: LT-42Z49 No.YA709: LT-32Z49
BASIC CHASSIS
FU3

Summary

PRECAUTIONS AND HANDLING

SAFETY PRECAUTIONS

General safety guidelines for servicing and handling the product to prevent shock and hazards.

INSTALLATION REQUIREMENTS

LCD PANEL HANDLING PROCEDURES

DISASSEMBLY AND REPLACEMENT PROCEDURES

DISASSEMBLY CAUTIONS AND PROCEDURES

Safety warnings and step-by-step guides for disassembling the main unit and LCD panel.

MEMORY IC REPLACEMENT

CHIP COMPONENT REPLACEMENT

Guidelines and steps for safely removing and installing surface-mount components.

ADJUSTMENT PROCEDURES

ADJUSTMENT PREPARATION AND MODES

TROUBLESHOOTING

SELF CHECK FEATURE AND DETAILS

Explanation of the self-check feature, error codes, and display methods.

RASTER OUTPUT AND POWER LED ISSUES

SCHEMATIC DIAGRAMS

STANDARD CIRCUIT DIAGRAM NOTATIONS

Explains circuit diagram symbols, notations, and safety notes for service.

WIRING, BLOCK, AND CIRCUIT DIAGRAMS

PATTERN DIAGRAMS

Visual representations of PCB trace layouts for various PWBs.

VOLTAGE CHARTS AND WAVEFORMS

JVC LT-32EX19/AT Specifications

General

Brand	JVC
Model	LT-32EX19/AT
Category	LCD TV
Language	English