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Flow Chart of Troubleshooting
9-16
9-9. LCD Part
3 pin of LCD backlight IC
(ENM) is high
Replace the LCD backlight IC
END
No
Yes
Yes
LCD does not work
Check soldering between
the board pad and LCD pad
( CN700 )
Rearrange the soldering pad
(CN700's connection)
No
Yes
Is it working?
Check LCD Module
No
Yes