Adjustment - Potentiometer - Ytc SPTM-6V Series User Manual

Young Te ch c o, LTD.
Adjustment – Potentiometer
Potentiometer is designed to output 12mA signal when the feedback lever is at 50% position. In
case of dislocation of the potentiometer, please follow below procedure to re-set the potentiometer.
<Fig 10 & 11>
 Power must be turned off before adjusting potentiometer.
 Please be cautious when adjusting potentiometer.
 Please make sure that there is no remaining circuit on the PCB.
 Please do not use excessive force when disconnecting potentiometer from the PCB.
1. Locate the potentiometer under the PCB. Disconnect from the PCB. Please do not use
excessive force.
2. Unfasten lock screw which locks the potentiometer gear and take out potentiometer body
from the lag-gear.
3. Fix the feedback lever at 50% position and measure resistance level by connecting two
probes out of three inlets.
4. Rotate pinion gear until resistance vale is about 5KΩ.
5. After setting the resistance value, rotate stopper to the normal position and fasten the
lock screw.
Reconnect potentiometer to the PCB and reinstall PCB onto SPTM-6V body.
6.
#662-8 PungMu Dong, Kimpo City, KyeongGi Do, 415-809, KOREA
<Fig 10>
<Fig 11>
TEL: (82 31) 986 – 8545
11
www.ytc.co.kr
FAX: (82 31) 986-2683