Table of Contents
Advertisement
COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : CA-138
MODEL:
(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
T530B
(T530BL-AL****)
(T530SL-AL****)
T530S
*Same looking with new chassis.
Issue Date; 2004. 9.
Advertisement
Table of Contents
Related Manuals for LG Flatron T530S
Summarization of Contents
Monitor Specifications
Picture Tube Specifications
Details about the monitor's picture tube specifications.
Signal Specifications
Specifications related to video input signals and sync.
Power Supply Specifications
Information on the power supply range and current rating.
Display Area Specifications
Specifications for the active video area and display resolution.
Environment Specifications
Environmental operating conditions such as temperature and humidity.
Dimensions
Physical dimensions of the monitor with tilt and swivel features.
Weight
Weight specifications of the monitor with tilt and swivel.
Power Consumption Details
Details on the monitor's power consumption modes and LED color.
Safety Precautions
Safety-Related Component Warning
Warning about critical components affecting safety and product integrity.
Fire and Shock Hazard Precautions
Precautions regarding electrical shock and fire risks during servicing.
Implosion Protection Measures
Safety measures related to the integrated implosion protection system of display tubes.
X-Radiation Prevention Guidelines
Guidelines for measuring and preventing X-radiation emission from the picture tube.
Servicing Precautions
General Servicing Precautions
General guidelines to follow before and during service operations.
Electrostatically Sensitive (ES) Devices Handling
Procedures to prevent damage to ES devices from static electricity.
Component Replacement Procedures
General Soldering Guidelines
Best practices for soldering and desoldering electronic components.
IC Removal and Replacement
Step-by-step instructions for removing and installing integrated circuits.
Small-Signal Transistor Handling
Procedures for removing and replacing small-signal discrete transistors.
Power Transistor Replacement
Steps for replacing power output transistors, including heat sink considerations.
Diode Replacement Procedure
Method for removing and installing diodes, including lead preparation.
Fuse and Resistor Replacement
Guidance on replacing fuses and conventional resistors.
Circuit Board Repair Techniques
Repairing IC Connections
Method for repairing damaged copper patterns at IC connections using jumper wires.
Repairing Other Connections
Technique for repairing copper patterns at non-IC connections with jumper wires.
Timing Chart
Horizontal Timing Parameters
Detailed timing values for horizontal sync, active video, and blanking periods.
Vertical Timing Parameters
Detailed timing values for vertical sync, active video, and blanking periods.
Resolution Modes
Supported display resolutions and their corresponding scan frequencies.
Disassembly Instructions
Tilt/Swivel and Back Cover Removal
Step-by-step instructions for removing the tilt/swivel mechanism and back cover.
Wiring Diagram
System Wiring Connections
Visual representation of all electrical connections within the monitor.
Block Diagram
Monitor Functional Blocks
Diagram illustrating the main functional blocks and signal flow of the monitor.
Description of Block Diagram
SMPS and Over Voltage Protection
Explanation of the Switching Mode Power Supply and its over-voltage protection circuit.
Display Power Management
Description of the DPM circuit for power saving modes (Stand-by, Suspend, Off).
Microprocessor Control
Details on the microprocessor's role in sync processing and OSD control.
Deflection Circuits
Explanation of horizontal, vertical, and tilt deflection circuits and their functions.
Video Processing Circuits
Description of video pre-amp and output circuits for signal amplification.
Video Signal Processing
Video Pre-Amplifier Circuit
Function of the circuit that amplifies the analog video signal before further processing.
Video Output Amplifier Circuit
Role of the amplifier circuit in processing video signals for the CRT cathode.
Adjustment Procedures
Preparation for Service Adjustment
Tools and conditions required for performing monitor adjustments.
Adjustment by Service Hot Key
Procedure for accessing and using the service hot key menu for adjustments.
Display Size and Centering Adjustments
Adjustments for display size (FOS SPEC) and screen centering.
B+ Voltage and High-Voltage Adjustment
Procedures for adjusting the B+ voltage and high voltage levels.
Tilt Adjustment
Method for adjusting the screen tilt to correct image orientation.
Detailed Adjustment Procedures
Geometric Distortion and Size Adjustments
Procedures for correcting image distortion, size drift, and trapezoid shape.
Linearity and Regulation Adjustments
Adjustments for image linearity, regulation, and pin balance.
Parallelogram and White Balance
Adjustments for parallelogram correction and white balance calibration.
Cut Off Adjustment
Procedure for adjusting the black level (cut off) of the display.
Advanced Adjustment Techniques
White Balance and Color Adjustments
Fine-tuning white balance and color purity for accurate display.
Focus Adjustment
Method for adjusting the focus VR on the FBT for the sharpest image.
Color Purity Adjustment Procedure
Steps for adjusting color purity using convergence magnets and patterns.
Service Software Adjustment
Factory Mode Adjustment
Procedure for setting factory preset modes using the software.
White Balance and Luminance Adjustment
Using software for white balance and luminance calibration.
EDID Data Management
Reading and Modifying EDID Data
Instructions for editing and saving monitor EDID information.
Writing EDID Data
Procedure for writing EDID data to the monitor's EEPROM.
Troubleshooting Guide
No Power Troubleshooting
Flowchart and checks for diagnosing and resolving no power issues.
Troubleshooting: No Character
No Character Troubleshooting
Diagnostic steps and checks for when the monitor displays no characters.
Troubleshooting: No Raster
No Raster Troubleshooting
Steps to diagnose and fix issues where no raster is displayed on the screen.
Troubleshooting: No Vertical Deflection
No Vertical Deflection Troubleshooting
Diagnostic procedure for vertical deflection failures resulting in a single horizontal line.
Troubleshooting: DPM Mode Failure
DPM Mode Failure Troubleshooting
Diagnosing failures related to Display Power Management modes.
Troubleshooting: No Degaussing
No Degaussing Troubleshooting
Steps to diagnose and fix issues with the monitor's degaussing function.
Horizontal Deflection Issues
Horizontal Deflection Failure
Troubleshooting guide for horizontal deflection circuit failures.
Invariable Horizontal Size
Diagnosing and fixing issues with a fixed or unchangeable horizontal screen size.
Horizontal Linearity Problems
Horizontal Linearity Troubleshooting
Steps to diagnose and correct horizontal linearity imbalances.
Horizontal Display Adjustment Issues
Abnormal Horizontal Size Troubleshooting
Diagnosing and resolving abnormal horizontal screen sizing.
Side Pin and Trap Failure
Troubleshooting procedures for side pin and trap circuit failures.
Para/Pin Balance Failure
Steps to diagnose and fix parallelogram or pin balance issues.
Vertical Display Adjustment Issues
Optional Tilt Failure Troubleshooting
Diagnosing and fixing optional tilt screen failures.
Vertical Size/Position Variation
Troubleshooting variations in vertical size and position.
High Voltage and ABL Issues
High Voltage Failure Troubleshooting
Diagnosing and resolving high voltage output failures.
Automatic Brightness Limiter (ABL) Failure
Troubleshooting issues related to the ABL circuit.
Micom and OSD Failures
Microcomputer (Micom) Failure
Steps to diagnose and resolve failures in the microcomputer (Micom).
On-Screen Display (OSD) Failure
Troubleshooting issues with the OSD functionality, often involving IC302.
User Interface and Color Problems
User Control Failure Troubleshooting
Diagnosing issues with front panel user controls and buttons.
Missing Color Troubleshooting
Steps to resolve problems where one or more colors are not displayed.
CRT Display Quality Issues
Visible Retrace Troubleshooting
Diagnosing and fixing visible retrace lines on the screen.
Purity Failure Troubleshooting
Steps to resolve color purity issues and degaussing circuit problems.
CRT Focus and Convergence
Misconvergence Troubleshooting
Procedures to correct misconvergence of the electron beams.
Poor Focus Troubleshooting
Diagnosing and fixing issues with poor image focus.
Exploded View
Monitor Component Layout
Diagram showing the assembly and placement of monitor components.
Exploded View Parts List
Cabinet and CRT Components
List of part numbers for cabinet, CDT, back cover, and tilt swivel assemblies.
Electronic Components
Part numbers for FBT, sockets, cables, and printed circuit boards.
Hardware and Fasteners
List of part numbers for screws, brackets, and holders.
Replacement Parts List - Capacitors
Capacitor Specifications
Detailed list of capacitors with part numbers and electrical specifications.
Replacement Parts List - Diodes and Coils
Diode Specifications
List of diodes with part numbers, types, and voltage/current ratings.
Coil and Core Specifications
Part numbers and specifications for various coils and cores.
Replacement Parts List - Transistors and Resistors
Transistor Specifications
List of transistors with part numbers and electrical characteristics.
Resistor Specifications
Detailed list of resistors with part numbers and resistance values.
Replacement Parts List - Miscellaneous
Resistor Specifications (Continued)
Further listing of resistors with their part numbers and specifications.
Other Components
Part numbers for fuses, connectors, and miscellaneous electronic components.
Schematic Diagram
Monitor Circuit Schematics
Detailed circuit diagrams showing the electrical connections and components.
Printed Circuit Board Layout
Control Board Layout
Visual layout of the control board, showing component and solder sides.
Main Board Layout
Visual layout of the main board, showing component and solder sides.
Need help?
Do you have a question about the Flatron T530S and is the answer not in the manual?
Questions and answers