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Pioneer PDP-42A3HD Service Manual page 80

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1
10. No TV Sound (Sine wave input)
Preliminary Checkpoints
A
Check the condition of connectin of the input TV SIF.
Check the condition of soldering state in TV SIF input part.
Check the short point in signal line.
Check for short circuits between each power terminal and the ground.
B
C
D
E
F
T10
80
1
2
No Sound in
TV input
#67
at U751
in DTT & Analog B/D
Waveform 22
#11,15
At U200
In Audio Amp Board
Waveform 20
#28,31,27,24
At U200
Waveform 21
Change Speaker
PDP-42A3HD
2
3
NG
Check TV SIF input part
NG
Check U751 and
Y800 and related circuit
NG
Check U20 and
X2 and related circuit
3
4
T10
4

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