LG KG330 Service Manual page 51

4. TROUBLE SHOOTING
Jog Encoder Trouble
START
Check the voltage of
R105, R106
Are they 2.8V
Yes
Check the soldering of
R109, R110, R105, R106
Yes
Check JOG Encoder
OK?
Yes
1. JOG Encoder will
work properly
No
Re Download
No
Re-solder R109, R110
R105, R106.
No
Replace JOG
Encoder
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