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4. TROUBLE SHOOTING
Checking Flow
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
Is the voltage at pin 3
of Q100 high ?
YES
Is the voltage at pin 2
of Q100 low ?
YES
Is the voltage at pin 1
of Q100 high ?
YES
Check the soldering
Check the soldering
Replace vrbrator
Working well !
START
NO
NO
NO
NO
of CN600 ?
YES
NO
of vibrator ?
YES
YES
Vibrator
Check the soldering
of R105, R106
YES
Check the soldering
of R101
YES
Check the soldering
of R103
YES
Replace Q100
Resolder CN600
Resolder vibrator
- 56 -
NO
Resolder R105, R106
NO
Resolder R101
NO
Resolder R103
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