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Panasonic TX-P42VT20E - User Manual

Panasonic TX-P42VT20E
153 pages
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© Panasonic Corporation 2010.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PCZ1008135CE
Plasma Television
Model No. TX-P42VT20E
GPF13DSE Chassis

Table of Contents

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Summary

Safety Precautions

General Guidelines for Repairs

General guidelines for conducting repairs and servicing without modifying equipment or wiring.

Touch-Current Measurement Procedure

Procedure for measuring touch currents between exposed metallic parts and earth ground.

Warning: Electrostatic Discharge Prevention

Protecting Sensitive Devices (ESD)

Techniques to reduce component damage from static electricity when handling sensitive devices.

About Lead Free Solder (PbF)

Service Navigation

PCB Layout Diagram

Diagram showing PCB layout with component names and screw locations.

Applicable Signals for Inputs

Product Specifications

TV Technical Specifications

Details TV power, display panel, sound, and PC signal specifications.

Receiving Systems and Band Names

Lists supported TV receiving systems and band names.

Connection Terminals Details

Details connection terminals like AV, Component, and HDMI with their specifications.

Technical Descriptions

Specification of Keys for CI Plus, DTCP-IP

Explains KEY data generation for CI Plus, DTCP-IP, and One-to-One features.

USB HDD Recording Function

General information on recording digital TV programs using a USB HDD.

Service Port (M3 mini Jack) Specifications

Service Mode Operations

How to Enter Service Mode

Procedure to enter the service mode using the remote control.

Key Commands for Service Mode

Explains the key commands used for navigating the service mode menu.

Service Mode Details

Adjustment Mode Contents

Lists adjustable parameters in service mode, their values, and remarks.

Exiting Service Mode

Instructions on how to exit the service mode.

Service Tool Mode Features

Option - Mirror Functionality

How to use the mirror option for picture reversal (left/right, up/down).

Accessing Service Tool Mode

Steps to access the service tool mode from the service mode menu.

SOS History Display

How to display SOS History information (LED blinking indications).

Power ON Time and On;Off Count

How to display power on time and on/off switching count.

Hotel Mode Configuration

Hotel Mode Setup Menu Explanation

Detailed explanation of each item within the hotel mode setup menu.

Data Copy by SD Card

Purpose of SD Card Data Copy

Purpose of data copy for board replacement and hotel installation.

SD Card Preparation Steps

Steps to prepare the SD card with the startup file (pwd file).

SD Card Data Copy Procedures

Data Copy from TV to SD Card Procedure

Procedure for copying TV data to an SD card using a password.

Data Copy from SD Card to TV Procedure

Procedure for copying data from an SD card to the TV set using a password.

Troubleshooting Guide

IIC Bus Line Check Procedure

How to access and interpret the self-check indication for IIC bus lines.

Self-Check Indication Methods

Procedures for self-check indication only or with factory reset.

Self-Check Point Confirmation

Points to confirm if 'NG' was displayed in the self-check.

Power LED Blinking Timing Chart

No Power Troubleshooting Steps

No Picture Troubleshooting Flowchart

Local Screen Failure Diagnosis

Service Fixture & Tools

SC Jig Usage and Purpose

Purpose and usage of the SC jig for testing SC or SM boards.

Disassembly and Assembly Instructions

Initial Disassembly Steps

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

Board Removal Procedures

Steps for removing XS-Board, Tuner unit, and A-Board.

Component Removal Steps

Instructions for removing speakers, woofer, fan unit, and SM-Board.

Board Removal (Continued)

Steps for removing SC-Board, SS2-Board, and SS-Board.

Hanger Metals and Bracket Removal

Steps to remove hanger metals and the one leg bracket.

Cabinet Mount Metals Removal

Steps to remove cabinet mount metals.

D-Board and C1-Board Removal

Steps for removing the D-Board and C1-Board.

C2-Board and Plasma Panel Section Removal

Steps for removing C2-Board and the plasma panel section.

Contact Metals and Board Removal

Steps for removing K-Board, V-Board, and contact metals.

Plasma Panel Replacement Procedure

Caution and steps for replacing the plasma panel, handling it carefully.

Measurements and Adjustments

Vsus Selection Procedure

Procedure for setting Vsus to LOW or HIGH after replacing the plasma panel or A-board.

Sub-Contrast Adjustment Methods

Steps for sub-contrast adjustment via RF system, AV system, and HD system.

THX White Balance Adjustment Procedure

Procedure for THX white balance adjustment using a color analyzer.

Block Diagrams

Main System Block Diagram

Overall block diagram of the TV system, showing major components and interconnections.

Detailed Block Diagrams (1;5)

Detailed block diagram (part 1 of 5) illustrating system signal flow.

Detailed Block Diagrams (2;5)

Detailed block diagram (part 2 of 5) showing system signal flow.

Detailed Block Diagrams (3;5)

Detailed block diagram (part 3 of 5) illustrating signal flow.

Detailed Block Diagrams (4;5)

Detailed block diagram (part 4 of 5) showing system signal flow.

Detailed Block Diagrams (5;5)

Detailed block diagram (part 5 of 5) illustrating system signal flow.

Wiring Connection Diagrams

Wiring Caution Statement

Caution statement regarding correct assembly and locking of flexible cables in connectors.

Wiring Diagram (1)

Wiring diagram showing connections for fans and power supply.

Wiring Diagram (2)

Wiring diagram illustrating connections for woofer and speakers.

Wiring Diagram (3)

Wiring diagram showing connections for various boards and terminals.

Wiring Diagram (4)

Wiring diagram illustrating cable connections.

Wiring Diagram (5)

Wiring diagram showing lead wire dressing and connections.

Schematic Diagrams

Schematic Diagram Notes

Notes explaining resistor, capacitor, voltage measurement, and signal flow conventions.

P-Board (1;4) Schematic Diagram

Schematic diagram of the P-Board (part 1 of 4), showing power supply circuits.

A-Board (1;26) Schematic Diagram

Schematic diagram of the A-Board (part 1 of 26), showing IIC communication lines.

Other Board Schematics

Schematic diagrams for XS, D, C1, C2, SC, and SS boards.

Printed Circuit Board Layouts

P-Board PCB View

Foil side view of the P-Board with reference grid.

P-Board Parts Location (Foil Side)

Location of ICs, transistors, and test points on the P-Board foil side.

P-Board Parts Location (Component Side)

Location of ICs, transistors, and test points on the P-Board component side.

Board Layout Views

K-Board Layout Views

Foil and component side views of the K-Board with part numbers.

V-Board Layout Views

Foil and component side views of the V-Board with part numbers.

SS2-Board Layout Views

Foil and component side views of the SS2-Board with part numbers.

A-Board Views

A-Board Foil Side View

Foil side view of the A-Board, showing component placement.

XS-Board Layout Views

XS-Board Foil Side View

Foil side view of the XS-Board.

XS-Board Component Side View

Component side view of the XS-Board.

D-Board Layout Views

D-Board Foil Side View

Foil side view of the D-Board.

D-Board Component Side View

Component side view of the D-Board.

C1-Board Layout Views

C1-Board Foil Side View

Foil side view of the C1-Board.

C1-Board Component Side View

Component side view of the C1-Board.

C2-Board Layout Views

C2-Board Foil Side View

Foil side view of the C2-Board.

C2-Board Component Side View

Component side view of the C2-Board.

SC-Board Layout Views

SC-Board Foil Side View

Foil side view of the SC-Board.

SC-Board Component Side View

Component side view of the SC-Board.

SS-Board Layout Views

SS-Board Foil Side View

Foil side view of the SS-Board.

SS-Board Component Side View

Component side view of the SS-Board.

Parts Lists and Views

Exploded View 1

Exploded view of the TV assembly showing outer mechanical parts.

Exploded View 2

Exploded view 2 of the TV assembly, showing internal mechanical parts.

Packing Instructions

Instructions for packing the TV and accessories.

Mechanical Parts List Notes

Notes regarding the supply source of mechanical parts.

Electrical Replacement Parts List

Replacement Parts List Notes

Notes regarding retention time limitations for certain parts.

Electrical Parts List Details

Comprehensive list of electrical replacement parts with detailed specifications.

Summary

Safety Precautions

General Guidelines for Repairs

General guidelines for conducting repairs and servicing without modifying equipment or wiring.

Touch-Current Measurement Procedure

Procedure for measuring touch currents between exposed metallic parts and earth ground.

Warning: Electrostatic Discharge Prevention

Protecting Sensitive Devices (ESD)

Techniques to reduce component damage from static electricity when handling sensitive devices.

About Lead Free Solder (PbF)

Service Navigation

PCB Layout Diagram

Diagram showing PCB layout with component names and screw locations.

Applicable Signals for Inputs

Product Specifications

TV Technical Specifications

Details TV power, display panel, sound, and PC signal specifications.

Receiving Systems and Band Names

Lists supported TV receiving systems and band names.

Connection Terminals Details

Details connection terminals like AV, Component, and HDMI with their specifications.

Technical Descriptions

Specification of Keys for CI Plus, DTCP-IP

Explains KEY data generation for CI Plus, DTCP-IP, and One-to-One features.

USB HDD Recording Function

General information on recording digital TV programs using a USB HDD.

Service Port (M3 mini Jack) Specifications

Service Mode Operations

How to Enter Service Mode

Procedure to enter the service mode using the remote control.

Key Commands for Service Mode

Explains the key commands used for navigating the service mode menu.

Service Mode Details

Adjustment Mode Contents

Lists adjustable parameters in service mode, their values, and remarks.

Exiting Service Mode

Instructions on how to exit the service mode.

Service Tool Mode Features

Option - Mirror Functionality

How to use the mirror option for picture reversal (left/right, up/down).

Accessing Service Tool Mode

Steps to access the service tool mode from the service mode menu.

SOS History Display

How to display SOS History information (LED blinking indications).

Power ON Time and On;Off Count

How to display power on time and on/off switching count.

Hotel Mode Configuration

Hotel Mode Setup Menu Explanation

Detailed explanation of each item within the hotel mode setup menu.

Data Copy by SD Card

Purpose of SD Card Data Copy

Purpose of data copy for board replacement and hotel installation.

SD Card Preparation Steps

Steps to prepare the SD card with the startup file (pwd file).

SD Card Data Copy Procedures

Data Copy from TV to SD Card Procedure

Procedure for copying TV data to an SD card using a password.

Data Copy from SD Card to TV Procedure

Procedure for copying data from an SD card to the TV set using a password.

Troubleshooting Guide

IIC Bus Line Check Procedure

How to access and interpret the self-check indication for IIC bus lines.

Self-Check Indication Methods

Procedures for self-check indication only or with factory reset.

Self-Check Point Confirmation

Points to confirm if 'NG' was displayed in the self-check.

Power LED Blinking Timing Chart

No Power Troubleshooting Steps

No Picture Troubleshooting Flowchart

Local Screen Failure Diagnosis

Service Fixture & Tools

SC Jig Usage and Purpose

Purpose and usage of the SC jig for testing SC or SM boards.

Disassembly and Assembly Instructions

Initial Disassembly Steps

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

Board Removal Procedures

Steps for removing XS-Board, Tuner unit, and A-Board.

Component Removal Steps

Instructions for removing speakers, woofer, fan unit, and SM-Board.

Board Removal (Continued)

Steps for removing SC-Board, SS2-Board, and SS-Board.

Hanger Metals and Bracket Removal

Steps to remove hanger metals and the one leg bracket.

Cabinet Mount Metals Removal

Steps to remove cabinet mount metals.

D-Board and C1-Board Removal

Steps for removing the D-Board and C1-Board.

C2-Board and Plasma Panel Section Removal

Steps for removing C2-Board and the plasma panel section.

Contact Metals and Board Removal

Steps for removing K-Board, V-Board, and contact metals.

Plasma Panel Replacement Procedure

Caution and steps for replacing the plasma panel, handling it carefully.

Measurements and Adjustments

Vsus Selection Procedure

Procedure for setting Vsus to LOW or HIGH after replacing the plasma panel or A-board.

Sub-Contrast Adjustment Methods

Steps for sub-contrast adjustment via RF system, AV system, and HD system.

THX White Balance Adjustment Procedure

Procedure for THX white balance adjustment using a color analyzer.

Block Diagrams

Main System Block Diagram

Overall block diagram of the TV system, showing major components and interconnections.

Detailed Block Diagrams (1;5)

Detailed block diagram (part 1 of 5) illustrating system signal flow.

Detailed Block Diagrams (2;5)

Detailed block diagram (part 2 of 5) showing system signal flow.

Detailed Block Diagrams (3;5)

Detailed block diagram (part 3 of 5) illustrating signal flow.

Detailed Block Diagrams (4;5)

Detailed block diagram (part 4 of 5) showing system signal flow.

Detailed Block Diagrams (5;5)

Detailed block diagram (part 5 of 5) illustrating system signal flow.

Wiring Connection Diagrams

Wiring Caution Statement

Caution statement regarding correct assembly and locking of flexible cables in connectors.

Wiring Diagram (1)

Wiring diagram showing connections for fans and power supply.

Wiring Diagram (2)

Wiring diagram illustrating connections for woofer and speakers.

Wiring Diagram (3)

Wiring diagram showing connections for various boards and terminals.

Wiring Diagram (4)

Wiring diagram illustrating cable connections.

Wiring Diagram (5)

Wiring diagram showing lead wire dressing and connections.

Schematic Diagrams

Schematic Diagram Notes

Notes explaining resistor, capacitor, voltage measurement, and signal flow conventions.

P-Board (1;4) Schematic Diagram

Schematic diagram of the P-Board (part 1 of 4), showing power supply circuits.

A-Board (1;26) Schematic Diagram

Schematic diagram of the A-Board (part 1 of 26), showing IIC communication lines.

Other Board Schematics

Schematic diagrams for XS, D, C1, C2, SC, and SS boards.

Printed Circuit Board Layouts

P-Board PCB View

Foil side view of the P-Board with reference grid.

P-Board Parts Location (Foil Side)

Location of ICs, transistors, and test points on the P-Board foil side.

P-Board Parts Location (Component Side)

Location of ICs, transistors, and test points on the P-Board component side.

Board Layout Views

K-Board Layout Views

Foil and component side views of the K-Board with part numbers.

V-Board Layout Views

Foil and component side views of the V-Board with part numbers.

SS2-Board Layout Views

Foil and component side views of the SS2-Board with part numbers.

A-Board Views

A-Board Foil Side View

Foil side view of the A-Board, showing component placement.

XS-Board Layout Views

XS-Board Foil Side View

Foil side view of the XS-Board.

XS-Board Component Side View

Component side view of the XS-Board.

D-Board Layout Views

D-Board Foil Side View

Foil side view of the D-Board.

D-Board Component Side View

Component side view of the D-Board.

C1-Board Layout Views

C1-Board Foil Side View

Foil side view of the C1-Board.

C1-Board Component Side View

Component side view of the C1-Board.

C2-Board Layout Views

C2-Board Foil Side View

Foil side view of the C2-Board.

C2-Board Component Side View

Component side view of the C2-Board.

SC-Board Layout Views

SC-Board Foil Side View

Foil side view of the SC-Board.

SC-Board Component Side View

Component side view of the SC-Board.

SS-Board Layout Views

SS-Board Foil Side View

Foil side view of the SS-Board.

SS-Board Component Side View

Component side view of the SS-Board.

Parts Lists and Views

Exploded View 1

Exploded view of the TV assembly showing outer mechanical parts.

Exploded View 2

Exploded view 2 of the TV assembly, showing internal mechanical parts.

Packing Instructions

Instructions for packing the TV and accessories.

Mechanical Parts List Notes

Notes regarding the supply source of mechanical parts.

Electrical Replacement Parts List

Replacement Parts List Notes

Notes regarding retention time limitations for certain parts.

Electrical Parts List Details

Comprehensive list of electrical replacement parts with detailed specifications.

Panasonic TX-P42VT20E Specifications

General IconGeneral
Screen Size42 inches
Resolution1920 x 1080 pixels
Panel TypePlasma
HDMI Ports4
USB Ports2
EthernetYes
3D SupportYes
Weight26 kg
Response Time0.001 ms
Wi-FiNo
Integrated SpeakersYes
Digital TunerYes
Refresh Rate600 Hz
Contrast Ratio5, 000, 000:1

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