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MOBILE COMMUNICATIONS DIVISION
CUSTOMER SERVICES
7.1.9 FAULTY KEYPAD
Cause: PCB dead or Keypads has broken
Keypads
Testing
Version 1.0 22/11/2006
Created by Konrad Szombara
Restore factory setting
Fail
Re-Download
Yes
Check keyset being
OK ?
Yes
Check key metal dome
being OK ?
Yes
Check B2B FPC connecting
OK ?
Yes
PCBA dead
NO
Refer to (Updating program is failed)
NO
(1) Clean and Re-assemble Keyset
(2) Change Keyset
NO
Change Key metal dome
NO
repair ACF B2B FPC
Page 87 of 103
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Troubleshooting
