3. TROUBLE SHOOTING
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3.14 LCD
START
Press Power key to turn the Power on
End
LCD Display Ok?
LCD Display Ok?
Is the circuit powered?
TP1 : 1.8V
TP2 : 5.5V
TP3 : -5.5V
No
No
No
No
Yes
Follow the power on trouble
shooting.
Disconnect and reconnect LCD Connector
CN7100 and LCD module connector.
Change the LCD Module
Change the Main Board
Yes
Yes
Yes
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