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Flow Chart of Troubleshooting
7-18
7-9. 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
IC3 pin 2 = H ?
Change the board to board
Connector
No
Yes
IC3 PIN 5 ≥ VBAT?
Check the IC3 & the related circuit
No
Yes
Yes
Replace the LCD Module