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Flow Chart of Troubleshooting and Circuit Diagrams
3-26
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3-1-9. LCD
3-1-9-1. 1.5 inch LCD
LCD does not work
END
Connect the SCN800
NO
YES
Check the SCN800
(LCD connector)
YES
YES
Check the SCN800
pin#27 = 2.6V ?
NO
YES
YES
Resolder or change U805
NO
Check the EMI filter
EMIF800,801,802,803,804
Resolder or change
EMIF800,801,802,803,804
NO
Change the LCD Module
Check the SCN800
pin#28 = 2.9V ?
Resolder or change U501
Check reset signal at phone on
at R813