Panasonic Generation Plasma Display Television Guida rapida

Panasonic Service and Technology Company

National Training

10th Generation Plasma Display Television

Technical Guide

Panasonic Service and Technology Company

Prepared by

Cesar Perdomo and Jean Magloire

Panasonic Service and Technology Company

National Training

Warning

This service information is designed for experienced repair technicians only and is not designed for use by the

general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers

in attempting to service a product. Products powered by electricity should be serviced or repaired only by

experienced professional technicians. Any attempt to service or repair the product or products dealt with in this

service information by anyone else could result in serious injury or death.

Copyright ©

2007 by Panasonic Services Company

All rights reserved. Unauthorized copying and distribution is a violation of law.

Table of Contents

Subject Page # Subject Page #

2007 Panasonic Plasma Line-up 5Troubleshooting (No Power/Dead Unit) Part 2 56

Models Comparison 6SOS Circuit Overview 59

High Resolution (FULL-HD Panel) 9DRV_RST SOS 62

TH-42PX75U Board Layout & Description 13 Location of Q9302 63

TH-42PX75U Board Layout (Pictorial) 14 Close-up View of Q9302 64

2006/2007 Signal Process/Switching Circuit 15 5 Blinks SOS (1) 66

Overall Block Diagram 16 SOS (Drive-reset) 68

Standby Circuit 21 D & C Boards Connection 69

STB5V/STB3.3V Distribution 25 12 Blinks SOS 70

Main CPU VCC Supply (A Board) 28 Signal Circuit Overview 75

TV_SUB_ON/TUNER_SUB_ON 30 Video Process Block Diagram 77

TV_SUB_ON (F_STB_ON) 32 D Board Block Diagram 79

TV_SUB_ON (Relay Drive Circuit) 34 Panel Drive (TH-42PX75U) 81

PFC Circuit 36 Audio Process Block Diagram 83

ACFB (Active Clamp Full Bridge Switching) Circuit 37 Self-Check Function 88

MAIN/SUB Voltages 39 How to Reset the Unit 89

F+15V, DTV9V, SUB5V SOS Detect Circuit 41 Self-Check Menu 90

Power On Operation 43 Check point 91

P15V/P5V Circuit 51 Serviceman Mode 92

Vsus/Vda Circuit 53 Serviceman Mode Menu and Navigation 93

Troubleshooting (No Power/Dead Unit) Part 1 55 Internal Test Patterns 95

3

Table of Contents (Continued)

Subject Page #

Driver Setup Adjustment 96

Initialization Pulse Adjustment 97

Quick adjustment after P.C.B. exchange 98

4

2007 Panasonic Plasma Line-up

5

Models Comparison

6

Models Comparison

7

Models Comparison

8

High Resolution (FULL-HD Panel)

About Twice the Resolution of a Standard HD PDP!

About Twice the Resolution of a Standard HD PDP!

●●

HD PDP

(approx. 1,050,000 pixels)

1366

768

Full-HD PDP

(approx. 2,070,000 pixels)

(Image resolution about twice as high)

● ●

●

●

1080

1920

*When compared to the 50PX600

●

●

The Full-HD plasma panel boasts a total of about 2,070,000 pixels (1920 x 1080).

It renders true-to-life HD images with about twice the resolution of a standard HD panel.

9

10

Questo manuale è adatto per i seguenti modelli

27

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