Read Sharp LC-22DV240K Parts Guide online
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LC-22DV240
LC-22DS240
LC-22DS240
STBY_ON/OFF should be low for standby on condition, please check R1677.
21.2. CI Module Problem
Problem: CI is not working when CI module inserted.
Possible couses: Supply, suply control pin, detect pins, mechanical positions of pins
CI supply shoul be 5V when CI module inserted. If it is not 5V please check
CI_POWER_CTRL, this pin should be low.
CI supply shoul be 5V when CI module inserted. If it is not 5V please check
CI_POWER_CTRL, this pin should be low.
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