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