LG F3000 - Page 69

4. TROUBLESHOOTING
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Is the voltage at pin 6
of Q301 near 0V?
Yes
Check the contact state
of CN301
Re-contact CN301
Check the soldering of
vibrator at Folder
Resolder vibrator.
Vibrator will work properly
Replace Vibrator.
Check the soldering
of R348.
Resolder R348.
Replace Q301
No
No
Yes
No
Yes
No
Yes
START
Check the Coaxial Cable
Replace Coaxial Cable
No
Yes
Checking Flow