Pioneer PRO-110FD Service Manual page 86

1
A
A
In the subsequent diagnostic steps, it is most likely that the multi base section is in failure.
Problems concerning video display
Is the panel mask properly
displayed?
Yes
B
Check with the animated slanting ramp mask.
Is the on-screen display (OSD)
properly displayed?
Yes
Check on the Factory menu.
Is an external video signal
displayed properly?
Yes
Problems concerning the audio output
C
Is the audio signal output?
Yes
Specific failure whose cause is
difficult to identify in the initial stage
D
E
F
46
1
2
No Is it return to properly indication
when a command (PMTS00) is
issued?
No
Failure analysis for the
DIGITAL Assy => DG1
No
Failure analysis for the
MAIN Assy => MA3
No Failure analysis for the
audio system => AU1
PDP-5010FD
2
3
No Failure analysis for the
drive system => DR2
Yes Failure analysis for the
MAIN Assy => MA4
3
4
A main microcomputer may stop in the state
that it hung a panel mute due to something.
4