Ci Module Problem - Sharp LC-22LE240E Service Manual

LC-22LE240
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 causes: Supply, supply control pin, detect pins, mechanical positions of pins
Possible couses: Supply, suply control pin, detect pins, mechanical positions of pins
CI supply should be 5V when CI module inserted. If it not 5V please check
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_POWER_CTRL, this pin should be low.
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