PDP-427XD
83
5678
56
7
8
C
D
F
A
B
E
5.1.6 FLOWCHART OF FAILURE ANALYSIS FOR THE VIDEO SYSTEM
Flowchart of Failure Analysis for The Video System
Is the Terrestrial analog signal
not displayed?
Are the data displayed on the
"HDMI SIGNAL INFO" page of
the Factory menu correct?
The source equipment previously
used is in failure.
No problem with the MAIN Assy.
Is the sync signal output from
IC5401?
Does the result of SIG mode
detection on the Factory menu
coincide with the input signal data?
Yes
No
No
No
OK
After changing the source
equipment, check the "HDMI
SIGNAL INFO" data again.
NG
Replace the MAIN Assy.
No
Replace the MAIN Assy.
The input signal is not displayed.
⇒ ATV
Is the composite signal input not
displayed?
Yes
No
⇒ COMP / S1
Is the RGB signal input not
displayed?
Yes
⇒ RGB
Is the S-video signal input not
displayed?
Yes
No
Is the HDMI signal input not
displayed?
Yes
No
Is the component signal input not
displayed?
Yes
⇒ COMP / PC1
No
Is the PC signal input not
displayed?
Yes
⇒ COMP / PC2
No
Is the Terrestrial digital signal
not displayed?
Yes
⇒ DTV
No
Yes
Yes
Yes
Is the sync signal input to IC8001?
No
Replace the MAIN Assy.
Replace the MAIN Assy.
Yes
Replace the MAIN Assy.
Yes
No problem with the MAIN Assy.
⇒ COMP / S1
⇒ MA3
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