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Key pad doesn't work
Key pad doesn't work.
Take off the back cover and check if
the wire of PCB-Speaker connectoer
has been well connected to the
PCB-Key Pad and PCB-Main?
Change PCB-Key Pad and
connect all wires properly.
Change PCB- Speaker
connectoer and connect all
wires properly. Check if it works
Change the PCB-Main.
Yes
Check if it works
No
15
Connect
the wire
properly
Test
again
Yes
No
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