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PH600 Radio Maintenance Manual
42
6.8 Side Key Failure
Start
Side Key failure
Are the main PCB and
back cover assembled
correctly? Is the button
touch feeling normal?
No
Reassemble
correctly
Yes
Replace the
main PCB
End
Is the main PCB
Side Key metal
dome collapsed?
No
Yes
Repair the Side
Key metal dome
No
Is the contact of
Side Key FPC
corroded or dirty?
Yes
Clean or replace
the Side Key FPC