Tech Manual: Panasonic TH 42PX75U TH 50PX75U TH 42PX77U TH 50PX77U

Model : TH Model : TH-42PX75U 42PX75U TH TH-50PX75U 50PX75U TH TH-42PX77U 42PX77U TH TH-50PX77U 50PX77U Technical Guide Technical Guide Plasma Plasma (GPH10DU Chassis) (GPH10DU Chassis) Troubleshooting Handbook Troubleshooting Handbook Panasonic Services Company National Training

Prepared by Panasonic Service and Technology Company National Training Copyright © 2007 by Panasonic Services Company All rights reserved. Unauthorized copying and distribution is a violation of law. 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

Table of Contents 3 Subject Page No Picture\No OSD 24 No Sound (TH-42PX600U) 25 Troubleshooting for Picture Problems 27 Diagnostic Method for Troubleshooting PDP Television 28 Diagnosis by Test Pattern When OSD is Available 29 Diagnosis by Removing the D5 Connector 30 Troubleshooting for Picture Trouble 31 Diagnosis for Picture Problem (All Over the Screen) 32~35 Diagnosis of Vertical Line Problem 36 Picture Trouble at Upper or Lower half 37 Picture Trouble at Right or Left half (50 Inch) 38 Picture Trouble at Right or Left half (42/37 Inch) 39 Picture Trouble in 50 Inch Models 40 Picture Tr

Introduction <Introduction> 1. Basic concept of how to determine the defective board 1) Verification of voltages Normally, when there is a pow