Repair Flow - Hitachi CP-DX250 Service Manual

4.1 Repair Flow

Function Abnormal
(1) Follow Trouble shooting flow to debug
(2) Check LED message/Error count in factory mode
Check connectivity
or change parts
Change
M/B?
Yes
Use Service Tool to
Read S/N
Replace M/B
Use Service Tool to
Write S/N
CW delay
Alignment
PC
Alignment
Change
CW?
No
Yes
Replace CW
CW delay
Alignment
Burn-In (10mins)
Finish
Change
Light
Pipe?
No
Yes
Replace Light Pipe
Overfill (Blue
Edge)
Adjustment
14
Check
connectivity or
change other
No
parts