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Panasonic TH-P42X20D - User Manual

Panasonic TH-P42X20D
112 pages
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© Panasonic Corporation 2010.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PAVCTH1003001CE
Plasma Television
Model No. TH-P42X20D
GPH13DA Chassis

Table of Contents

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Summary

Safety Precautions

General Guidelines for Repairs

General guidelines for conducting repairs and servicing safely.

Touch-Current Leakage Check

Procedure for checking leakage current to prevent shock hazards.

Warnings and Solder Information

Electrostatic Discharge (ESD) Prevention

Techniques to reduce component damage from static electricity.

Lead-Free Solder (PbF) Details

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

Service Navigation and Signals

PCB Layout Identification

Identification of PCBs and their functions within the unit.

Applicable Input Signals

Lists applicable input signals for component and HDMI interfaces.

Specifications Overview

Electrical and Display Specifications

Details power, display, sound, PC signals, and connectivity.

Mechanical and Environmental Specs

Physical dimensions, mass, and operating conditions.

Service Mode Operations

Service Mode Access and Control

How to enter, navigate, and exit Service Mode.

Option Settings and Tool Mode

Mirror settings, SOS history, and service tool access.

Hotel Mode Configuration

Configuration options for hotel mode restrictions.

Data Copy via SD Card

Procedures for copying data between TV and SD card.

Troubleshooting Guide

IIC Bus Line Checks

How to access and interpret IIC bus line checks.

Power LED Blinking Timing

Identifies defective blocks based on power LED blinking patterns.

No Power Troubleshooting

Troubleshooting steps for power issues based on LED indication.

No Picture Troubleshooting

Troubleshooting flowchart for issues related to no picture display.

Local Screen Failure Diagnosis

Identifies possible defective PCBs for local screen failures.

Disassembly and Assembly Instructions

Component Removal Procedures

Steps for removing rear cover, AC inlet, P-Board, side covers.

Board Removal Procedures

Steps for removing tuner, A-Board, SN-Board, SS-Board.

Panel and Bracket Removal

Instructions for removing hanger metals, stand brackets, C1/C2 boards.

Plasma Panel and K-Board Replacement

Steps for removing plasma panel section, glass holders, K-Board.

Plasma Panel Replacement

Cautions and steps for replacing the plasma panel assembly.

Measurements and Adjustments

Vsus Selection Procedure

Procedure for setting Vsus to LOW or HIGH after panel replacement.

Contrast and White Balance Adjustments

Procedures for sub-contrast and white balance adjustments.

Block Diagrams

Main Block Diagram

Overall block diagram of the TV's main functional units.

Detailed Block Diagrams (1;4 to 4;4)

Partial block diagrams illustrating specific functional blocks.

Wiring Connection Diagrams

Caution and Wiring (1)

Cautions on cable assembly and internal wiring diagram 1.

Internal Wiring Diagrams (2) to (4)

Diagrams showing internal wiring connections for specific components.

Schematic Diagrams

Schematic Diagram Notes

Notes on symbols, measurements, and circuit area definitions.

P-Board Schematics (1;4 to 4;4)

Schematic diagrams for the Power Board sections.

A-Board Schematics (1;13 to 13;13)

Schematic diagrams for all sections of the A-Board.

C1-Board Schematic Diagram

Schematic diagram for the C1-Board.

C2-Board Schematic Diagram

Schematic diagram for the C2-Board.

SN-Board Schematics (1;9 to 9;9)

Schematic diagrams for all sections of the SN-Board.

SS-Board Schematics (1;2 to 2;2)

Schematic diagrams for both sections of the SS-Board.

Printed Circuit Board Layouts

P-Board Layout Diagrams

PCB layout for the P-Board (foil and component sides).

K-Board Layout Diagrams

PCB layout for the K-Board (foil and component sides).

A-Board Layout Diagrams

PCB layout for the A-Board (foil and component sides).

C1-Board Layout Diagrams

PCB layout for the C1-Board (foil and component sides).

C2-Board Layout Diagrams

PCB layout for the C2-Board (foil and component sides).

SN-Board Layout Diagrams

PCB layout for the SN-Board (foil and component sides).

SS-Board Layout Diagrams

PCB layout for the SS-Board (foil and component sides).

Exploded View and Replacement Parts List

Exploded Views and Mechanical Parts

Exploded views of the TV assembly and mechanical parts list.

Packing Instructions

Illustrations detailing the TV packing process for shipment.

Mechanical Replacement Parts List

Comprehensive list of mechanical replacement parts.

Electrical Replacement Parts List

Replacement Parts List Notes

Notes on part abbreviations, descriptions, and retention time.

Electrical Component Lists

Detailed lists of electrical components (capacitors, diodes, ICs, etc.).

Summary

Safety Precautions

General Guidelines for Repairs

General guidelines for conducting repairs and servicing safely.

Touch-Current Leakage Check

Procedure for checking leakage current to prevent shock hazards.

Warnings and Solder Information

Electrostatic Discharge (ESD) Prevention

Techniques to reduce component damage from static electricity.

Lead-Free Solder (PbF) Details

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

Service Navigation and Signals

PCB Layout Identification

Identification of PCBs and their functions within the unit.

Applicable Input Signals

Lists applicable input signals for component and HDMI interfaces.

Specifications Overview

Electrical and Display Specifications

Details power, display, sound, PC signals, and connectivity.

Mechanical and Environmental Specs

Physical dimensions, mass, and operating conditions.

Service Mode Operations

Service Mode Access and Control

How to enter, navigate, and exit Service Mode.

Option Settings and Tool Mode

Mirror settings, SOS history, and service tool access.

Hotel Mode Configuration

Configuration options for hotel mode restrictions.

Data Copy via SD Card

Procedures for copying data between TV and SD card.

Troubleshooting Guide

IIC Bus Line Checks

How to access and interpret IIC bus line checks.

Power LED Blinking Timing

Identifies defective blocks based on power LED blinking patterns.

No Power Troubleshooting

Troubleshooting steps for power issues based on LED indication.

No Picture Troubleshooting

Troubleshooting flowchart for issues related to no picture display.

Local Screen Failure Diagnosis

Identifies possible defective PCBs for local screen failures.

Disassembly and Assembly Instructions

Component Removal Procedures

Steps for removing rear cover, AC inlet, P-Board, side covers.

Board Removal Procedures

Steps for removing tuner, A-Board, SN-Board, SS-Board.

Panel and Bracket Removal

Instructions for removing hanger metals, stand brackets, C1/C2 boards.

Plasma Panel and K-Board Replacement

Steps for removing plasma panel section, glass holders, K-Board.

Plasma Panel Replacement

Cautions and steps for replacing the plasma panel assembly.

Measurements and Adjustments

Vsus Selection Procedure

Procedure for setting Vsus to LOW or HIGH after panel replacement.

Contrast and White Balance Adjustments

Procedures for sub-contrast and white balance adjustments.

Block Diagrams

Main Block Diagram

Overall block diagram of the TV's main functional units.

Detailed Block Diagrams (1;4 to 4;4)

Partial block diagrams illustrating specific functional blocks.

Wiring Connection Diagrams

Caution and Wiring (1)

Cautions on cable assembly and internal wiring diagram 1.

Internal Wiring Diagrams (2) to (4)

Diagrams showing internal wiring connections for specific components.

Schematic Diagrams

Schematic Diagram Notes

Notes on symbols, measurements, and circuit area definitions.

P-Board Schematics (1;4 to 4;4)

Schematic diagrams for the Power Board sections.

A-Board Schematics (1;13 to 13;13)

Schematic diagrams for all sections of the A-Board.

C1-Board Schematic Diagram

Schematic diagram for the C1-Board.

C2-Board Schematic Diagram

Schematic diagram for the C2-Board.

SN-Board Schematics (1;9 to 9;9)

Schematic diagrams for all sections of the SN-Board.

SS-Board Schematics (1;2 to 2;2)

Schematic diagrams for both sections of the SS-Board.

Printed Circuit Board Layouts

P-Board Layout Diagrams

PCB layout for the P-Board (foil and component sides).

K-Board Layout Diagrams

PCB layout for the K-Board (foil and component sides).

A-Board Layout Diagrams

PCB layout for the A-Board (foil and component sides).

C1-Board Layout Diagrams

PCB layout for the C1-Board (foil and component sides).

C2-Board Layout Diagrams

PCB layout for the C2-Board (foil and component sides).

SN-Board Layout Diagrams

PCB layout for the SN-Board (foil and component sides).

SS-Board Layout Diagrams

PCB layout for the SS-Board (foil and component sides).

Exploded View and Replacement Parts List

Exploded Views and Mechanical Parts

Exploded views of the TV assembly and mechanical parts list.

Packing Instructions

Illustrations detailing the TV packing process for shipment.

Mechanical Replacement Parts List

Comprehensive list of mechanical replacement parts.

Electrical Replacement Parts List

Replacement Parts List Notes

Notes on part abbreviations, descriptions, and retention time.

Electrical Component Lists

Detailed lists of electrical components (capacitors, diodes, ICs, etc.).

Panasonic TH-P42X20D Specifications

General IconGeneral
Screen Size42 inches
Display TypePlasma
Resolution1024 x 768
HD TypeHD Ready
Aspect Ratio16:9
Contrast Ratio2000000:1
HDMI Ports2
USB Ports1
Brightness1500 cd/m²
Response Time0.001 ms

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