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LG Flatron F900P

LG Flatron F900P
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COLOR MONITOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODEL: F900P (FB910G-UL)
CHASSIS NO. : CA-116
FACTORY MODEL: FB910G
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LG Flatron F900P Specifications

General IconGeneral
Screen Size19 inches
Display TypeCRT
Maximum Resolution1600 x 1200
Refresh Rate85 Hz
Aspect Ratio4:3
Dot Pitch0.24 mm
Max Resolution1600 x 1200
Horizontal Refresh Rate30 - 96 kHz
Vertical Refresh Rate50 - 160 Hz
Input SignalRGB analog
Resolution1600 x 1200
Viewable Size18 inches
Input Connectors15-pin D-Sub

Summary

Safety Precautions

Safety Warnings and Component Handling

Critical components are marked for safety. Handle with care.

Hazard Identification and Protection

Information on fire, shock, implosion, and X-radiation hazards.

X-Radiation Prevention Measures

Guidelines for measuring and preventing X-radiation exposure.

Timing Chart

Operating Instructions

Monitor Views and Control Panel Operation

Details on front/rear views and operation of control panel buttons.

Universal Serial Bus (USB) Usage

USB Functionality and Connection Guide

Explains USB features and how to connect peripherals.

BNC Connector Signal Connections

BNC Signal Connection Scenarios

Describes connecting various sync signals via BNC connectors.

Key Adjustment Potentiometers

High Voltage and B+ Adjustment Points

Identifies VR801 for High Voltage and VR991 for B+ voltage.

Internal Component Diagram

DY Assembly, Degauss, and Connector Layout

Diagram showing DY assembly, degaussing, purity, and internal connectors.

TiltSwivel and Back Cover Removal

Procedures for Chassis Disassembly

Step-by-step guide for removing the tilt/swivel and back cover.

Block Diagram

Block Diagram Description

Power Supply and Protection Circuits

Describes SMPS, X-ray protection, and associated circuits.

Signal Processing and Control Circuits

Details Micom, sync processors, D/D converters, and deflection output.

Display Management and Input Circuits

Explains display power management, input signals, and OSD functions.

Block Diagram Description (continued)

Deflection and Image Enhancement Circuits

Covers H-linearity, vertical output, dynamic focus, and image rotation.

Video Signal Processing Circuits

Describes video pre-amp and video output amplifier circuits.

Special Function Circuits

Details high voltage output, blanking, brightness, and moire reduction.

Adjustment Procedures

General Information and Degaussing

Covers prerequisites, tools, and degaussing procedures.

B+ Voltage and High-Voltage Adjustment

Steps for adjusting B+ voltage and CRT anode high voltage.

Raster Center and Factory Mode Adjustments

Procedures for horizontal raster centering and factory preset mode calibration.

White Balance and Luminance Adjustment

Guide for adjusting color balance and screen brightness.

Adjustment Procedures (continued)

Focus Adjustment Procedure

Steps for adjusting the focus control on the FBT.

Troubleshooting Guide

No Power Symptom Diagnosis

Flowchart for diagnosing power-related issues.

Troubleshooting Guide (continued)

No Power Symptom Diagnosis

Flowchart for diagnosing power-related issues.

Troubleshooting Guide (continued)

No Character Display Diagnosis

Flowchart for diagnosing issues with no character display.

Troubleshooting Guide (continued)

No Raster Display Diagnosis

Flowchart for diagnosing issues with no raster on screen.

Troubleshooting Guide (continued)

Vertical Deflection Failure Diagnosis

Flowchart for troubleshooting vertical deflection problems.

Troubleshooting Guide (continued)

Power Management (DPM) Failure Diagnosis

Flowchart for diagnosing power management mode failures.

Troubleshooting Guide (continued)

Degaussing Failure Symptom Diagnosis

Flowchart for troubleshooting the degaussing function.

Troubleshooting Guide (continued)

On-Screen Display (OSD) Issues Diagnosis

Flowchart for troubleshooting problems with the OSD system.

Exploded View Diagram

Exploded View Parts List

Replacement Parts List

Capacitor Replacements

List of replacement capacitors with part numbers and specifications.

Replacement Parts List (continued)

Capacitor Replacements (continued)

Continued list of replacement capacitors.

Replacement Parts List (continued)

Diode Replacements

List of replacement diodes with part numbers and specifications.

Replacement Parts List (continued)

IC and Coil Replacements

List of replacement ICs, coils, and cores.

Coils and Cores

List of replacement coils and cores.

Replacement Parts List (continued)

Transistor Replacements

List of replacement transistors with part numbers and specifications.

Resistor Replacements

List of replacement resistors with part numbers and specifications.

Replacement Parts List (continued)

Resistor Replacements (continued)

Continued list of replacement resistors.

Replacement Parts List (continued)

Resistor Replacements (continued)

Continued list of replacement resistors.

Replacement Parts List (continued)

Resistor Replacements (continued)

Continued list of replacement resistors.

Other Component Replacements

List of other miscellaneous replacement components.

Pin Configuration

IC Pinout Diagrams

Provides pin configurations for key ICs like M62501P/FP, TDA8172, and M24C08.

Schematic Diagram

Printed Circuit Board Layouts

Board Layout Diagrams

Illustrations of main, interface, control, and video board component/solder sides.

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