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5. Trouble shooting
GD910 service manual
5.6 Side Key Trouble
start
Change the Dome Sheet
And check again.
Work well?
END
YES
yes
Change the
NO
Change the main board
start
Change the key pcb
And check again.
Work well?
YES
Check soldering of CN301
Work well?
NO
Change the Key PCB
END
NO
NO
yes
END
start
Change the Dome Sheet
And check again.
Work well?
END
YES
yes
Change the Key FPCB
NO
Change the main board
start
Change the rubber cap
And check again.
Work well?
YES
Check
Work well?
NO
Change the Key FPCB
END
NO
NO
yes
END
start
Change the Dome Sheet
And check again.
Work well?
END
YES
yes
Change the
NO
Change the main board
start
Change the key pcb
And check again.
Work well?
YES
Check soldering of CN301
Work well?
NO
Change the Key PCB
END
NO
NO
yes
END
start
Change the Dome Sheet
And check again.
Work well?
END
YES
yes
Change the Key FPCB
NO
Change the main board
start
Change the rubber cap
And check again.
Work well?
YES
Check
Work well?
NO
Change the Key FPCB
END
NO
NO
yes
END
GD910 service manual