Samsung i780 Service Manual page 69

Flow Chart of Troubleshooting
9-6. Vibrator Working
Operate
Vibrator
Vibrator
Change Vibrator
Breakdown?
Sodering PAD
Resodering Vibrator
of vibrator any
problem?
pin6 in U512
Change U512
High?
Check U512 &
Neighboring Circuit
9-22
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