39
SC-57
5
6
7
8
5
6
7
8
A
B
C
D
E
F
This is just for general reference and does not including every single case.
No Picure
Composite in
Composite out or
zone2 Video out
Component in
Component out or
zone2 Component out?
HDMI in
HDMI out?
Composite
(Component) in
HDMI out?
GUI?
iPod Video in
Composite out?
Rear Composite in
Composite out
Yes
No
Diagnose or replace
MIC HP ASSY
Diagnose or replace
DIGITAL MAIN ASSY
Check MIC HP ASSY
MIC CONNECT ASSY
COMPONENT ASSY
Conection
No Problem
Problem
Replace or repair
Problem Point
Analog Video IN?
DVC Setting ?
ON
OFF
DVC
OFF
There is problem
when DVC is OFF
No problem
when DVC is OFF
Check
COMPONENT ASSY
CN8303 Video Signals
IN:OK,OUT:NG
IN:NG,OUT:NG
Diagnose COMPONENT ASSY
(arround IC8301)
or replace COMPONENT ASSY
Diagnose COMPOSITE ASSY
(input circuits) or replace
COMPOSITE ASSY
DVC
ON, Check
COMPONENT ASSY
CN8301 Video Signals
IN:OK,OUT:NG
Diagnose DIGITAL MAIN ASSY
(Analog video in/out circuits,
arround IC909, arround IC101)
or replace DIGITAL MAIN ASSY
Other Results
Is there any problem
at analog video IN?
(When DVC=ON)
No
Yes
IN:OK,OUT:OK
Diagnose COMPOSITE ASSY
(output circuits) or replace
COMPOSITE ASSY
NO PICTURE
