Slide Key Sense Trouble - LG GW520 Service Manual

5.7 Slide Key sense Trouble

Start Start
Change the key pcb Change the key pcb
And check again. And check again.
Work well? Work well?
Change the dome sheet Change the dome sheet
Work well? Work well?
Check soldering of CN801 Check soldering of CN801
Change the Key PCB Change the Key PCB
KEY_ROW5
KEY_COL5
KEY_COL6
END_KEY
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Only for training and service purposes
Change the FPCB, work well? Change the FPCB, work well?
Change the FPCB connector Change the FPCB connector
YES YES
soldering or change soldering or change
YES YES
NO NO
YES YES
NO NO
CN801 CN801
SEND MULTI
SEND MULTI
GW520 service manual
NO NO
YES YES
END END
END END
VBAT
END
END
VA806
varistor
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5. Trouble shooting
Follow the Qwerty key Follow the Qwerty key
trouble shooting trouble shooting
LGE Internal Use Only