Panasonic Generation Plasma Display Television Quick start guide

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
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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.
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