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Level 3 Repair
8-24
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8-3-7. Key Data Input
Check Initial Operation
Yes
When you pushed all of the
Key, does the key have
tension?
Change Domesheet
(#1 : look over the Dome situation
whether be sunken
#2 : look over the Dome location
whether be out of line
#3 look over TACT switch was broken
or be short)
Yes
All of the key doesn't work
except POWER ON KEY ?
Replace the FPCB and diode
(over the insturctions again
because of be possible for FPCB to get damaged)
Yes
No
END
No