Sanyo PDG-DSU20N Service Manual page 34

Image abnormal
Power on again and
reset OSD
OK
Check input cable and
signal setting
OK
Check
Mainboard
OK
Check
Optical Engine
PDG-SU20
NG
Adjust
Input signal
NG
Replace
Mainboard
NG
Replace
Optical Engine
Color abnormal
Check input cable
and signal setting
OK
Check Color
Wheel Index
OK
Check
Mainboard
OK
Check
Optical Engine
30
NG
Adjust
Input signal
NG
Adjust Color
Wheel Index
NG
Replace
Mainboard
NG
Replace
Optical Engine