- -
Image abnormal
Power on again
and reset OSD
OK
OK
NG
OK
NG
NG
Check input cable
and signal setting
Check MAIN
PCB ASSY
Check
optical unit
Adjust
input signal
Replace MAIN
PCB ASSY
Replace
each optical parts
Color abnormal
Check input cable
and signal setting
OK
NG
OK
NG
NG
Check color
wheel
Check MAIN
PCB ASSY
Adjust
input signal
Adjust color
wheel
Replace MAIN
PCB ASSY
OK
NG
Check
optical unit
Replace
each optical parts
Video signal 2
Summary of Contents for XD221U
Page 7: ... 1 2 5 6 OPTICAL UNIT 8 11 14 9 7 10 3 4 12 13 EXPOSED VIEW Fig 1 1 DLP ASSY ...
Page 9: ... Optical unit 2 1 3 4 5 6 7 8 Fig 1 2 ...
Page 11: ... DISASSEMBLY 1 Unscrew the 8 screws a from the bottom cover a a ...
Page 20: ... 17 17 Remove adjuster from the bottom cover Bottom cover Adjuster ...