User Guide

NHM-10 Company Confidential
BB Troubleshooting CCS Technical Documentation
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OK?
Check
connector
N
UI
LEDs
Ok?
Backlight
Not working
Y
Check voltage at
C164 and C169
Y
N
Display
ok
Check and replace
Module or connectors
OK?
Y
N
Replace D135
and L130
Check voltage at
L130 and R165
OK?
Y
N
Check connector
OK?
Check
connector
N
UI
LEDs
Ok?
Backlight
Not working
Y
Check voltage at
C164 and C169
Y
N
Display
ok
Check and replace
Module or connectors
OK?
Y
N
Replace D135
and L130
Check voltage at
L130 and R165
OK?
Y
N
Check connector