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Panasonic TX-P50S20B - User Manual

Panasonic TX-P50S20B
130 pages
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© Panasonic Corporation 2010.
Unauthorized copying and distribution is a violation
of law.
ORDER NO.PCZ1003023CE
Plasma Television
Model No. TX-P50S20B
GPF13DE Chassis

Table of Contents

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Summary

Safety Precautions

General Guidelines

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

Touch-Current Check

Procedure for checking touch currents to prevent shock hazards.

Warning

Prevention of Electrostatic Discharge (ESD)

Techniques to prevent component damage from static electricity.

Service Navigation

PCB Layout

Diagram and list of PCB names and their functions.

Specifications

Service Mode

How to Enter into Service Mode

Procedure to access the service mode using remote control commands.

Contents of Adjustment Mode

Overview of adjustable items and their hexadecimal values.

Service Tool Mode

Accessing and using service tool mode for SOS history and power on time.

Data Copy by SD Card

Purpose and preparation steps for copying data via SD card.

Data Copy from TV Set to SD Card

Procedure for copying TV data to an SD card, including password input.

Troubleshooting Guide

Check of the IIC Bus Lines

How to access and interpret the IIC bus line check.

Power LED Blinking Timing Chart

Chart to identify defective blocks based on power LED blink patterns.

No Power

States of no power indication by power LED and initial check points.

No Picture

Troubleshooting flowchart for no picture issues based on signal input.

Local Screen Failure

Explains local area failures and indicates possible defective PCBs.

Service Fixture & Tools

SC Jig

Purpose and usage of the SC jig for failure diagnosis.

Disassembly and Assembly Instructions

Replace the Plasma Panel

Caution and steps for replacing the plasma panel, handling new panels.

Measurements and Adjustments

Vsus Selection

Procedure for selecting Vsus to LOW or HIGH after panel or A-board replacement.

White Balance Adjustment

Procedure for white balance adjustment using a color analyzer.

Block Diagram

Main Block Diagram

Overall block diagram of the TV system, showing interconnections.

Schematic Diagram

P-Board Schematics

Schematics for the P-Board (3 parts).

A-Board Schematics

Schematics for the A-Board (22 parts).

XW-Board Schematic Diagram

Schematic diagram for the XW-Board, showing DVB tuner and related circuits.

C1-Board Schematic Diagram

Schematic diagram for the C1-Board, illustrating data driver connections.

C2-Board Schematics

Schematics for the C2-Board (2 parts).

C3-Board Schematics

Schematics for the C3-Board (2 parts).

SC-Board Schematics

Schematics for the SC-Board (4 parts).

SS-Board Schematics

Schematics for the SS-Board (2 parts) and SS2-Board.

Summary

Safety Precautions

General Guidelines

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

Touch-Current Check

Procedure for checking touch currents to prevent shock hazards.

Warning

Prevention of Electrostatic Discharge (ESD)

Techniques to prevent component damage from static electricity.

Service Navigation

PCB Layout

Diagram and list of PCB names and their functions.

Specifications

Service Mode

How to Enter into Service Mode

Procedure to access the service mode using remote control commands.

Contents of Adjustment Mode

Overview of adjustable items and their hexadecimal values.

Service Tool Mode

Accessing and using service tool mode for SOS history and power on time.

Data Copy by SD Card

Purpose and preparation steps for copying data via SD card.

Data Copy from TV Set to SD Card

Procedure for copying TV data to an SD card, including password input.

Troubleshooting Guide

Check of the IIC Bus Lines

How to access and interpret the IIC bus line check.

Power LED Blinking Timing Chart

Chart to identify defective blocks based on power LED blink patterns.

No Power

States of no power indication by power LED and initial check points.

No Picture

Troubleshooting flowchart for no picture issues based on signal input.

Local Screen Failure

Explains local area failures and indicates possible defective PCBs.

Service Fixture & Tools

SC Jig

Purpose and usage of the SC jig for failure diagnosis.

Disassembly and Assembly Instructions

Replace the Plasma Panel

Caution and steps for replacing the plasma panel, handling new panels.

Measurements and Adjustments

Vsus Selection

Procedure for selecting Vsus to LOW or HIGH after panel or A-board replacement.

White Balance Adjustment

Procedure for white balance adjustment using a color analyzer.

Block Diagram

Main Block Diagram

Overall block diagram of the TV system, showing interconnections.

Schematic Diagram

P-Board Schematics

Schematics for the P-Board (3 parts).

A-Board Schematics

Schematics for the A-Board (22 parts).

XW-Board Schematic Diagram

Schematic diagram for the XW-Board, showing DVB tuner and related circuits.

C1-Board Schematic Diagram

Schematic diagram for the C1-Board, illustrating data driver connections.

C2-Board Schematics

Schematics for the C2-Board (2 parts).

C3-Board Schematics

Schematics for the C3-Board (2 parts).

SC-Board Schematics

Schematics for the SC-Board (4 parts).

SS-Board Schematics

Schematics for the SS-Board (2 parts) and SS2-Board.

Panasonic TX-P50S20B Specifications

General IconGeneral
Depth93 mm
Height769 mm
Weight29000 g
I/O ports1 X LAN
Pixel pitch0 mm
Audio systemDolby Digital Plus
Product colorBlack
Response time0.001 ms
Audio (L/R) in2
RMS rated power20 W
Display diagonal50 \
Teletext functionYes
Composite video in1
Depth (with stand)401 mm
Display technologyPlasma
Power requirementsAC 220 - 240 V, 50/60Hz
Width (with stand)1218 mm
HDMI ports quantity3
Height (with stand)814 mm
Weight (with stand)31000 g
Compatible memory cardsSD
Contrast ratio (dynamic)2000000:1
Power consumption (standby)0.4 W
Power consumption (typical)320 W

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