<Diagnosis (3)>
Diagnosis for Picture Problem (All Over the Screen)
<Result>
Confirm the waveform at “TPSC1”
after removing the SU or SD Board from the SC Board
Situation
Disconnect
SU Board
(Connect SD)
Condition
Waveform
OK?
Cause
SU
Board
Disconnect
SD Board
(Connect SU)
Waveform
OK?
SD
Board
Disconnect
the SU
and SD Boards
Waveform
OK
?
SC
Board
<Back side view>
SU
SD
SC
SS
Buffer IC
Buffer IC
TPSC1
Correct Waveform
Condition 2
Bottom half of
Picture OK?
Upper half of
Picture OK?
Screen should
be black
35
Summary of Contents for Viera TH-42PX75U
Page 5: ...Troubleshooting Shutdown Problems 5...
Page 26: ...26...
Page 27: ...Troubleshooting for Picture Problems 27...
