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Panasonic TH-P42X20K - User Manual

Panasonic TH-P42X20K
112 pages
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© Panasonic Corporation 2010.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PSG1003028CE
Plasma Television
Model No. TH-P42X20K
TH-P42X20M
TH-P42X20P
TH-P42X20V
GPH13DA Chassis

Table of Contents

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Summary

Safety Precautions

General Servicing Guidelines

General safety guidelines for servicing, including lead dress and protective devices.

Touch-Current Measurement Procedure

Procedure for checking touch currents to prevent shock hazards.

Warning and Handling Procedures

Electrostatic Discharge (ESD) Prevention Techniques

Techniques to prevent damage to sensitive components from electrostatic discharge.

Lead-Free Solder (PbF) Handling and Properties

Information on lead-free solder, its properties, and handling precautions.

Service Navigation and Modes

PCB Layout and Board Identification

Diagram showing PCB layout and identification of main boards.

Applicable Input Signal Specifications

Details of supported input signals for COMPONENT and HDMI interfaces.

Entering Service Mode

Instructions on how to access the service mode using the remote control.

Service Tool Mode Features

Accessing and utilizing service tool mode features like SOS History.

Hotel Mode Configuration Access

Explanation and command sequence for accessing the hotel mode setup menu.

SD Card Data Copy Procedures

Preparation and steps for copying data to/from SD card for backup and setup.

Troubleshooting Common Issues

IIC Bus Line Check Procedure

Procedure for accessing and performing the IIC bus line self-check.

Power LED Blinking Timing Chart for Errors

Chart detailing power LED blinking times and corresponding error conditions.

No Power Symptom Diagnosis

Initial check points for the "No Power" symptom based on power LED.

No Picture Symptom Troubleshooting Flowchart

Troubleshooting flowchart for the "No Picture" symptom.

Local Screen Failure Diagnosis and PCBs

Identifying possible defective PCBs for local screen failure areas.

Disassembly, Assembly, and Adjustments

Component Disassembly Instructions

Steps for removing major internal components like boards and covers.

Vsus Selection Adjustment Procedure

Procedure for selecting Vsus (LOW or HIGH) after panel replacement.

Sub-Contrast Adjustment Steps

Procedure for adjusting sub-contrast for RF, AV, and HD systems.

White Balance Adjustment Process

Procedure for white balance adjustment using a color analyzer.

System Block Diagrams and Schematics

Main Block Diagram Overview

Main block diagram illustrating the overall TV system architecture.

P-Board Schematic Diagrams (Parts 1-4)

Schematic diagrams for the P-Board, covering all four parts.

A-Board Schematic Diagrams (Parts 1-13)

Schematic diagrams for the A-Board, covering all thirteen parts.

SN-Board Schematic Diagrams (Parts 1-9)

Schematic diagrams for the SN-Board, covering all nine parts.

SS-Board Schematic Diagrams (Parts 1-2)

Schematic diagrams for the SS-Board, covering both parts.

Printed Circuit Board Layouts

P-Board PCB Layouts

Printed circuit board layouts for the P-Board (Foil and Component Sides).

A-Board PCB Layouts

Printed circuit board layouts for the A-Board (Foil and Component Sides).

SN-Board PCB Layouts

Printed circuit board layouts for the SN-Board (Foil and Component Sides).

Exploded View and Parts Lists

Mechanical Exploded View and Parts List

Exploded view diagrams and list of mechanical replacement parts.

Electrical Replacement Parts List Overview

Notes and list of electrical replacement parts, covering capacitors, resistors, and ICs.

Summary

Safety Precautions

General Servicing Guidelines

General safety guidelines for servicing, including lead dress and protective devices.

Touch-Current Measurement Procedure

Procedure for checking touch currents to prevent shock hazards.

Warning and Handling Procedures

Electrostatic Discharge (ESD) Prevention Techniques

Techniques to prevent damage to sensitive components from electrostatic discharge.

Lead-Free Solder (PbF) Handling and Properties

Information on lead-free solder, its properties, and handling precautions.

Service Navigation and Modes

PCB Layout and Board Identification

Diagram showing PCB layout and identification of main boards.

Applicable Input Signal Specifications

Details of supported input signals for COMPONENT and HDMI interfaces.

Entering Service Mode

Instructions on how to access the service mode using the remote control.

Service Tool Mode Features

Accessing and utilizing service tool mode features like SOS History.

Hotel Mode Configuration Access

Explanation and command sequence for accessing the hotel mode setup menu.

SD Card Data Copy Procedures

Preparation and steps for copying data to/from SD card for backup and setup.

Troubleshooting Common Issues

IIC Bus Line Check Procedure

Procedure for accessing and performing the IIC bus line self-check.

Power LED Blinking Timing Chart for Errors

Chart detailing power LED blinking times and corresponding error conditions.

No Power Symptom Diagnosis

Initial check points for the "No Power" symptom based on power LED.

No Picture Symptom Troubleshooting Flowchart

Troubleshooting flowchart for the "No Picture" symptom.

Local Screen Failure Diagnosis and PCBs

Identifying possible defective PCBs for local screen failure areas.

Disassembly, Assembly, and Adjustments

Component Disassembly Instructions

Steps for removing major internal components like boards and covers.

Vsus Selection Adjustment Procedure

Procedure for selecting Vsus (LOW or HIGH) after panel replacement.

Sub-Contrast Adjustment Steps

Procedure for adjusting sub-contrast for RF, AV, and HD systems.

White Balance Adjustment Process

Procedure for white balance adjustment using a color analyzer.

System Block Diagrams and Schematics

Main Block Diagram Overview

Main block diagram illustrating the overall TV system architecture.

P-Board Schematic Diagrams (Parts 1-4)

Schematic diagrams for the P-Board, covering all four parts.

A-Board Schematic Diagrams (Parts 1-13)

Schematic diagrams for the A-Board, covering all thirteen parts.

SN-Board Schematic Diagrams (Parts 1-9)

Schematic diagrams for the SN-Board, covering all nine parts.

SS-Board Schematic Diagrams (Parts 1-2)

Schematic diagrams for the SS-Board, covering both parts.

Printed Circuit Board Layouts

P-Board PCB Layouts

Printed circuit board layouts for the P-Board (Foil and Component Sides).

A-Board PCB Layouts

Printed circuit board layouts for the A-Board (Foil and Component Sides).

SN-Board PCB Layouts

Printed circuit board layouts for the SN-Board (Foil and Component Sides).

Exploded View and Parts Lists

Mechanical Exploded View and Parts List

Exploded view diagrams and list of mechanical replacement parts.

Electrical Replacement Parts List Overview

Notes and list of electrical replacement parts, covering capacitors, resistors, and ICs.

Panasonic TH-P42X20K Specifications

General IconGeneral
Screen Size42 inches
Resolution1024 x 768
Panel TypePlasma
HDMI Ports2
USB Ports1
Weight23 kg
HD ReadyYes
Aspect Ratio16:9
Contrast Ratio2, 000, 000:1

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