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Flow Chart of Troubleshooting
7-15
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9. Back Light (for Color Main LCD)
Is LCD Contrast set on high
level in the Menu?
Set LCD Contrast on high level
END
No
Yes
Yes
Backlight does not work
CN600 pin 24 = 2.8V?
Resolder R606, R323
No
Yes
CN600 pin 29 = 3.05V?
Replace the PBA
No
Yes
Yes
Replace the LCD Module