Pioneer PDP-4214HD

Check the condition of connectin of the input Component Audio R/L.
Check the condition of soldering state in Component Audio R/L &input part
Check the short point in signal line.
Check for short circuits between each power terminal and the ground.
9. No Audio in Component Input (Sine wave input)
Preliminary Checkpoints
#50,51(1),47,48(2)
at U751
in DTT & Analog B/D
No Sound in
Component Audio R/L
#11,15
At U200
In Audio Amp Board
#28,31,27,24
At U200
Change Speaker
Waveform 20
Waveform 19
Waveform 21
Check Component Audio
input part
Check U751 and
Y800 and related circuit
Check U20 and
X2 and related circuit
NG
NG
NG
(1):Component1 Audio
(2):Component2 Audio
48