Pioneer VSX-1128-K Service Manual page 29

5
E
HDMI in on rear ->
Front HDMI in ->
No Picture
This is just for general reference and does not including every single case.
No Picture
Front Video in ->
No Composite out
Composite in ->
No Composite out or
no zone2 Video out
Component in ->
No Component out
Rear HDMI in ->
No HDMI out
Front HDMI in ->
No HDMI out
Composite (Component) in ->
No HDMI out
No GUI
No Zone2 OSD
5
6
Only HDMI IN4, IN6 and IN7
are no sound?
Yes
Repair or replace the
D-MAIN Assy.
Rear HDMI inputs ->
output OK?
Yes
Replace HDMI cable between
FHDMI Assy and D-MAIN Assy
or replace the FHDMI Assy.
Yes
Rear Composite in ->
Composite out?
No
Replace IC101 or replace the
VIDEO Assy.
Replace the D-MAIN Assy.
HDMI IN1, BD IN, IN2 and IN3
-> HDMI out?
Yes
Replace HDMI cable from FHDMI
Assy or replace the FHDMI Assy.
Check CN902 pins 1, 3, 5, 7
signals on the VIDEO Assy.
Yes
Replace the D-MAIN Assy.
Replace the D-MAIN Assy.
Analog Video In -> Monitor Out?
Yes
Replace IC1007, Q1012, Q1013
or replace the VIDEO Assy.
VSX-1128-K
6
7
Repair IC1801 (AK4588VQ) and its
No
peripheral circuit or replace the
D-MAIN Assy.
No
Replace the FRONT Assy.
No
Replace the D-MAIN Assy.
No
Replace the D-MAIN Assy.
No
Replace IC1001 or
replace the VIDEO Assy.
No Replace the VIDEO Assy
or replace the D-MAIN Assy.
7
8
A
B
C
D
E
F
29
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