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1. This white pattern is generated by IC9900 on D board.
2. When Power ON after removing DG5 (A5) connector, white picture is provided to panel drive circuit.
Then, white picture automatically appears in normal situation.
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2
PZ series
PX series
In case of No picture problem (Sound OK), the defective board is mainly DG
(A) or D board. But in this case,
Test Pattern isn’t useful for diagnosis. Because, this symptom can not display OSD and not enter to the
Service Mode. This method is possible to judge the defective board in this symptom.
Summary of Contents for TH-50/42PX75U
Page 3: ...n o s i r a p m o C e r u t a e F p u e n i L P D P 7 0 0 2 1 3 ...
Page 5: ...n o i t c n u F n o i t a c o L B C P 2 5 ...
Page 11: ...t s i L B C P 3 1 1 ...
Page 13: ...m a r g a i D k c o l B 4 3 1 ...
Page 15: ...g n i t o o h s e l b u o r T 5 5 1 ...
Page 21: ...x i d n e p p A 6 1 2 ...
Page 25: ...e t o N 5 2 ...
Page 26: ...R ...
