Table of Contents
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Flow Chart of Troubleshooting
7-9. Back Light (for Color Main LCD)
Backlight does not work
Is LCD Contrast set on
high level in the Menu?
IC3 pin 2 = H ?
IC3 PIN 5 ≥ VBAT?
Replace the LCD Module
Yes
Yes
Yes
Yes
Yes
END
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No
Set LCD Contrast on high level
No
Change the board to board
No
Check the IC3 & the related circuit
7-18
Connector
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