Mcube CubeScan BioCon-500 Service Manual page 49

Service Manual for BioCon-500
⑨ Check the voltage between Pin 14 and Pin 12 in LCD module using digital
multimeter.
* PIN 14: Ground, Black
* PIN 12: +, Red
* Set the voltage to -23V, by changing the resistance value of R26.
- R26:
Turning clockwise (A direction), the absolute driver voltage is lowered.
Turning counter-clockwise (B direction), the absolute driver voltage is raised
WARING: The voltage between pin14 and pin12 shall not exceed -25V.
Over voltage will destroy the LCD module.
Mcube Technology Co., Ltd.
www.mcubetech.co.kr
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