7. MAINTENANCE AND TROUBLESHOOTING
7-6
4. Press S to select [OK].
The ROM/RAM test starts.
"– –" means that the test is processing.
The results appear as "OK" for normal status, "NG" for abnormal status.
5. Press the Enter key to go to the LCD test.
6. Press the Enter key to start the LCD test.
Each press of the Enter key changes the LCD pattern in the sequence shown be-
low.
Test in progress Test results
RGB gradation
White Red Green
Blue
Black
Checker board
(White/Blcke)
Checker board
(Blcke/White)
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