PDP-427CMX
37
5678
56
7
8
C
D
F
A
B
E
Failure in the audio input connectors
or the audio output equipment
Note: When INPUT 2 input is selected, you can observe waveform at IC5308-3pin.
NO
YES
Is the audio signal waveform input to
Pin 15 of IC5308?
Failure in the IC5306
Failure in the IC5308
NO
NO
YES
When INPUT1 input is selected, is
the audio signal waveform input to
Pin 1 of IC5308?
B
Waveform 46
Waveform 46