Flowchart Of Failure Analysis For The Video System - Pioneer PRO-607PU Service Manual

5

5.1.6 FLOWCHART OF FAILURE ANALYSIS FOR THE VIDEO SYSTEM

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
composite signal?
No
Is the selected input signal a
s-video signal?
No
Is the selected input signal a
analog component signal?
No
Is the selected input signal a
PC signal?
No
Is the selected input signal an
HDMI signal?
No
Is the selected input signal an
analog TV signal?
No
Is the selected input signal a
digital TV signal?
No
Is the selected input signal a
USB signal?
No
No problem with the MAIN Assy
5
6
Check if Function corresponding to the input signal is selected.
Yes
⇒ COMP / S1
Yes
⇒ COMP / S1
Yes
⇒ COMP / PC1
Yes
⇒ COMP / PC2
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
Is a video signal output from
IC5401?
(110 to 113, 116 to 119)
(123 to 126, 129 to 132)
(133, 136, 137, 140 to 144)
Yes
Replace the MAIN Assy.
IC8001 and its peripheral circuits are in failure.
Yes
⇒ COMP / S2
Yes
⇒ DTV
Yes
⇒ USB
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
IC5401?
Yes
Is the sync signal input to IC8001?
Yes
Replace the MAIN Assy.
IC8001 and its peripheral circuits are in failure.
PDP-6071PU
7
8
NG
Replace the MAIN Assy.
Info Frame data have not been acquired.
No
Replace the MAIN Assy.
IC5401 and its peripheral circuits
are in failure.
No
Replace the MAIN Assy.
The signal identification path is
in failure.
8
A
B
C
D
E
F
93