Introduction
<Introduction>
1. Basic concept of how to determine the defective board
1) Verification of voltages
Normally, when there is a power problem, shutdown occurs immediately.
So, to resolve a power problem, voltage checks are necessary before shutdown.
2) Check if the power comes up after disconnecting the suspected board.
If power comes up (*) after disconnecting a board, the
board is defective.
(*) “Power comes up”
equals “no shutdown”.
2. Troubleshooting Video and Audio problems
3. Examples of video problems
4. Adjustment after PCB exchange
1) After exchanging the following boards, voltage adjustment is required.
P board, SC board, SS board => Please refer to the “Service Manual”.
4
Summary of Contents for Viera TH-42PX75U
Page 5: ...Troubleshooting Shutdown Problems 5...
Page 26: ...26...
Page 27: ...Troubleshooting for Picture Problems 27...
