Advertisement
PLASMA TV
SERVICE MANUAL
CHASSIS : PP11K
MODEL : 42PT350R
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67002503 (1102-REV00)
42PT351R
North/Latin America
Europe/Africa
Asia/Oceania
42PT350R-TD
42PT351R-TC
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea
Advertisement
Related Manuals for LG 42PT351R
Summarization of Contents
Safety Precautions
Important Safety Notice
Essential safety precautions for servicing the chassis.
General Guidance
General guidelines for safe servicing procedures and component handling.
Leakage Current Hot Check
Procedure to measure AC leakage current and ensure safety.
Leakage Current Cold Check
Method for checking cold leakage current to chassis.
Specification
Application Range
Specifies the application range of this manual for PDP TVs with PP11K Chassis.
Specification Details
Details testing conditions for parts and receiver operation before adjustment.
Test Method
Outlines the test methods followed for performance and specifications.
Module Specification
Lists specifications for the 42" -2D HD display module.
Model General Specification
Provides general specifications for models in the NON-EU market.
Adjustment Instruction
Application Range
Specifies the application range for PP11K chassis adjustment.
Specification
Lists environmental and operational specifications for adjustment procedures.
S/W Program Download
Details the process and equipment for downloading software to the flash memory.
Download Method MSTAR JIG
Step-by-step guide for downloading software using the MSTAR JIG.
Download Method USB Memory Stick
Procedure for downloading software using a USB memory stick.
PCB Assembly Adjustment Method
Option Adjustment Following BOM
Method for adjusting option settings based on the Bill of Materials.
EDID Identification Data
EDID Data Details
Provides EDID data for various interfaces like HDMI and RGB.
HDCP Download
Information on HDCP download process and EEPROM masking.
Manual ADC Adjustment
Procedure for manual Analog-to-Digital Converter adjustment for Component and RGB inputs.
PCB Assembly Adjustment Method
COMPONENT input ADC
Details the ADC calibration for component and RGB inputs.
POWER PCB Assy Voltage Adjustment
Test Equipment
Specifies the required test equipment for voltage adjustment.
Connection Diagram
Illustrates the connection diagram for measuring voltages.
Adjustment Method
Describes the method for adjusting Vs and Va voltages.
Adjustment of White Balance
Required Equipment
Lists the necessary equipment for white balance adjustment.
AUTO White Balance Process
Steps for performing automatic white balance adjustment.
Manual W/B process
Guide for manual white balance adjustment using the remote control.
Default Value in Adjustment mode
White Balance Default Values
Default values for white balance settings.
System control condition
Conditions for system control during adjustment.
H6 Revolution Circuit Diagram
Power Block Circuit
Schematic for the power block of the H6 Revolution circuit.
Key IR Interface Circuit
Circuit diagram for the key and IR interface.
LVDS Block Circuit
Schematic for the LVDS block.
Audio Amp Circuit
Circuit diagram for the audio amplifier section.
Tuner Circuit
Schematic for the tuner module.
DDR Memory Circuit
Circuit diagram for DDR memory connected to the main IC.
Gain Amp Circuit
Schematic for the gain amplifier for MNT out.
Main Flash Memory Circuit
Circuit diagram for the main flash memory.
Main EEPROM Circuit
Schematic for the main EEPROM.
HDCP EEPROM Circuit
Circuit diagram for the HDCP EEPROM.
Mstar Reset Circuit
Schematic for the Mstar reset circuit.
Repair Process
Picture Problem: No Picture/Sound OK
Troubleshooting steps for TVs with no picture or sound.
Picture Problem: No Picture/No Sound
Diagnostic flow for TVs with no picture and no sound.
Picture Problem: Mal-discharge/Noise/Dark Picture
Troubleshooting guide for mal-discharge, noise, or dark picture issues.
Picture Problem: Picture Broken/Freezing
Steps to diagnose and resolve picture breaking or freezing issues.
Picture Problem: Vertical/Horizontal Bar
Troubleshooting for vertical or horizontal bar artifacts on the screen.
Power Problem: No Power (Not turn on)
Diagnostic process for TVs that do not power on.
Power Problem: Turn off (Instant, Under Watching)
Troubleshooting for sudden power-off issues during operation.
Sound Problem: No Sound/Sound Distortion
Steps to diagnose and fix sound issues like no audio or distortion.
General Function Problem: Remote Control
Troubleshooting for remote control operating errors.
Repair Process-Reference data
Picture Problem: Module Pattern Check
Using tilt key on SVC remote for module pattern diagnostics.
Picture Problem: Control Board Check
Method for checking the control board's components and signals.
Picture Problem: ROM Label Check
Checking ROM label on the control board.
Picture Problem: SVC Remote Check
Utilizing SVC remote for module verification.
Picture Problem: PDP Module Defect Type
Identifying defect types caused by the PDP module.
Picture Problem: Connector Type Analysis
Analyzing connector types on the PDP module for defects.
Power Problem: Voltage Check on Power Board
Procedure for checking voltages on the power board.
Need help?
Do you have a question about the 42PT351R and is the answer not in the manual?
Questions and answers