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KRO-7701RY/787/807/887R/X957/PS987R
COMPONENT DESCRIPTION
Switch unit (X13-940x-xx)
Component
Purpose, Function
Operation, Condition, Compatibility
IC1
LCD driver, key scan
IC2
LCD driver
IC3
Remote control reception
Qi
Key scanning start
Q2,Q5
IC3 ON/OFF
Q3
LED (green) ON/OFF
Q4
LED (amber) ON/OFF
Q6
LED (dimmer) ON/OFF
Q7
LED (catch illumination) ON/OFF
Q8
VCD regulated voltage supply
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