DBTEL Incorporated
DB-6568 Service Manual Level 1 ~ 3
2003.11.13
DBTEL Copyright Reserved
Page 66 of 66
LEVEL
PROBABLE CAUSE
VERIFICATION AND REMEDY
2
Vibrator connector doesn’
t insert
into connect of PCBA
Disassemble F/R housings. Check that
vibrator connector does insert into connect of
PCBA, If not, then we connect them. Finally
we use command to test its function is proper
or not.
2
Vibrator is not in proper position
Because of vibrator is not properly
assembled, so there are some friction
between vibrator and R/H , result in noisy.
We reassembled it and check by test
command. If it cannot solve, replace a
good one.
If take actions as above but still cannot improve defect. It may be caused by PCB, this
handset should be transfer to higher service level
。
SYMPTOM 10
：
Some of the Rubber keys are not working
LEVEL
PROBABLE CAUSE
VERIFICATION AND REMEDY
2
Rubber Key defect
The Rubber Key might have been defected.
Install a working Rubber Key onto handset
and test it with key pressing to ensure that it
is working.
Replace the defective Rubber Key with a
new or working one.
2
Mylar Key defect
Mount a good Mylar Key on Handset. We test
if the function is recovery, then the Mylar
Key is malfunction. Replace a new good
function Mylar Key
。
If take actions as above but still cannot improve defect. It may be caused by PCB, this
handset should be transfer to higher service level
。
