Flowchart Of Failure Analysis For The Video System - Pioneer PDP-5020FD Service Manual

5

Flowchart of Failure Analysis for The Video System

Failure analysis for the
MAIN Assy => MA3
The input signal is not displayed.
Is the selected input signal a
terrestrial analog TV?
No
Is the selected input signal a
composite signal?
No
Is the selected input signal a
S-video signal?
No
Is the selected input signal a
component signal?
No
Is the selected input signal an
PC signal?
No
Is the selected input signal a
digital TV signal?
No
Does a block noise occur?
No
Is the selected input signal an
HDMI signal?
No
Are the data displayed when using
the Home Media Gallery function?
Yes
No problem with the MAIN Assy
5
6
Yes
=> ATV
Yes
=> COMP / S1
Yes
=> COMP / S1
Yes
=> COMP / PC1
Yes
=> COMP / PC2
Yes
=> DTV 1
Yes
=> DTV 2
Are the data displayed on the
Yes
"HDMI SIGNAL INFO" page of
the Factory menu correct?
Yes
Does the result of SIG mode
detection on the Factory menu
coincide with the input signal data?
Yes
Replace the MAIN Assy.
No
=> HMG
PDP-5020FD
6
7
After changing the source
No
equipment, check the "HDMI
SIGNAL INFO" data again.
OK
The source equipment previously
used is in failure.
No problem with the MAIN Assy.
No
Is the sync signal output from
IC4901?
Yes
Is the sync signal input to IC6501?
Yes
Replace the MAIN Assy.
7
8
NG
Replace the MAIN Assy.
No
Replace the MAIN Assy.
No
Replace the MAIN Assy.
8
A
B
C
D
E
F
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