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Sony LMD-1420 Service Manual

Sony LMD-1420
28 pages
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LCD MONITOR
LMD-1420
LMD-1410
SERVICE MANUAL
1st Edition

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Sony LMD-1420 Specifications

General IconGeneral
BrandSony
ModelLMD-1420
CategoryMonitor
LanguageEnglish

Summary

Sony Monitor Service Overview

Appearance Figure and Board Locations

Illustrates the monitor's exterior appearance and the placement of internal circuit boards like GA, Q, and H boards.

Disassembly Procedures

Detailed steps for disassembling the monitor, covering rear cover, Q, GA, inverter, LCD panel, and other boards.

Unleaded Solder Usage

Information on identifying and working with unleaded solder on printed circuit boards, including temperature considerations.

Power Connection Warnings

Safety notes and specifications for proper power cord connection based on regional requirements.

Monitor Electrical Alignment

Preparation for Electrical Alignment

Details required equipment, warm-up time, and steps to enter service mode for alignment procedures.

White Balance Adjustment

Procedures for HIGH and LOW white balance adjustments, including target values and gain/bias settings.

Monitor Troubleshooting Guide

Backlight and System Start Issues

Troubleshooting steps for backlight failure and system power-on problems, using diagnostic flowcharts.

Operation and Image Problems

Diagnosing and resolving abnormal unit operation, image display issues, and TALLY lamp faults.

Output Function and Fan Problems

Troubleshooting for abnormal output functions and fan malfunctions, with diagnostic flowcharts.

Spare Parts and Lists

Notes on Repair Parts

Guidelines on safety-related components, part standardization, and stock availability for repair purposes.

Exploded Views and Electrical Parts

Visual exploded views and detailed lists of spare electrical components, including part numbers.

Packing Materials and Accessories

List of items included in the product packaging, such as manuals, CD-ROMs, and cables.

Monitor Block Diagrams

Overall Block Diagram

High-level functional block diagram illustrating the monitor's internal circuitry and signal flow.

Monitor Frame Wiring Diagram

Frame Wiring Connections

Detailed schematic showing wiring paths and connector pin assignments between all internal components.

Post-Repair Safety Checks

AC Leakage Test

Methods and specifications for testing AC leakage current from exposed metal parts using various instruments.

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