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BenQ VJ3212 User Manual

BenQ VJ3212
62 pages
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Ta iw an
Product Service Manual – Level 2
Service Manual for BenQ:
LCD-TV/VJ3212
<9H.0DQ75.000>
Version: 00a
Date:2008/12/24
Notice:
For RO to input specific “Legal Requirement in specific NS regarding to responsibility and liability
statements.
Please check BenQs eSupport web site, http://esupport.benq.com, to ensure that you have the mos
t
recent version of this manual.
First Edition (Dec, 2008)
© Copyright BenQ Corporation 2007. All Right Reserved.
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BenQ VJ3212 Specifications

General IconGeneral
Screen Size32 inches
Display TechnologyLCD
Aspect Ratio16:9
Brightness250 cd/m²
Resolution1366 x 768
InputsHDMI, VGA, Composite, Component
Speakers2 x 5W

Summary

Manual Introduction and Safety

About This Manual

Explains the purpose and scope of the service manual.

Safety Notice

Lists essential safety precautions for servicing the product.

Product Specifications

Product Overview

Introduces the 32" LCD TV and its key features.

Specification

Details technical specifications like panel, PC, video, and audio inputs.

Signal and Interface Specifications

Assembly Specification

Outlines specifications related to the product's assembly.

Input / Output Signal Specification

Details supported input and output signal types and connectors.

PC Analog Signal

Explains the PC analog signal parameters, cable, and quality.

Performance Specifications

Power Supply Requirements

Outlines input voltage, current, frequency, and power consumption.

Display Quality

Details display performance metrics like contrast ratio and luminance.

Defect Classification and Inspection

Classification of defects

Categorizes defects into major, minor, and provides dot defect criteria.

Display Defect

Lists standards for display defects like bright/dark dots and mura.

Appearance Defect

Defines criteria for physical appearance defects.

Service Procedures

Level 1 Cosmetic / Appearance / Alignment Service

Covers visual inspection and cleaning procedures.

Visual Inspection & Cleaning

Details inspection distances and timing for different zones.

Operational Testing

OPERATIONAL INSPECTION CRITERIA

Outlines criteria for operational inspection using test patterns.

Test content

Lists test conditions and items for PC mode, HDTV, and HDMI.

Software and Firmware Upgrade

Software/Firmware Upgrade Process

Provides step-by-step instructions for entering factory mode.

Software download procedure

Details the procedure for downloading software using a PC.

Installation and Adjustment Procedures

Installation Driver

Guides through the installation of the MStar debug tool driver.

Adjustment / Alignment Procedure

Details PC auto timing check and RGB color temperature adjustment.

System Components and Troubleshooting

Level 2 Circuit Board and Standard Parts Replacement

Covers exploded views and part lists for circuit boards.

System Block Diagram

Presents a block diagram of the LCD TV system architecture.

Troubleshooting

Provides a system trouble shooting flow chart for common issues.

Appendices

Appendix 1 - Screw List /Torque

Lists screws, their specifications, torque, and usage locations.

Appendix 2 - Code List: IR

Details IR remote control codes and protocols.

Appendix 3 - Wall Mount Dimension

Provides dimensions for wall mounting the LCD TV.

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