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6. Level 2 Circuit Board and Standard Parts Replacement
6.1. Trouble Shooting Guide
1.
No Display or display is unstable (Interface Board):
Screen is Blank and
Power LED is White.
OSD shown when key pressed?
Keypad OK?
Backlight turned
Scalar output
Data ?
"Check LCD Module"
Yes
No
No
Yes
No
ON?
Yes
No
Yes
- 50 -
Follow instructions from OSD dialog
Proceed to
"Check Control Board".
Proceed to
"Check Power Board".
Proceed to
"Check Scalar"
- Quick Links:
- Disassembly /Assembly
Hide quick links:
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