Pioneer PDP-4214HD

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.
10. No TV Sound (Sine wave input)
Preliminary Checkpoints
#67
at U751
in DTT & Analog B/D
No Sound in
TV input
#11,15
At U200
In Audio Amp Board
#28,31,27,24
At U200
Change Speaker
Waveform 20
Waveform 22
Waveform 21
Check TV SIF input part
Check U751 and
Y800 and related circuit
Check U20 and
X2 and related circuit
NG
NG
NG
50