Ci Module Problem - Sharp LC-22DV510E Service Manual

26.2

CI Module Problem

26.2. CI Module Problem
Problem: CI is not working when CI module inserted.
Possible causes: Supply, supply control pin, detect pins, mechanical positions of pins
CI supply should be 5V when CI module inserted. If it is not 5V please check CI_POWER_CTRL, this pin
should be low.
Please check mechanical positions of CI module.
Detect ports should be low. If it is not low please check CI connector pins, CI module pins and 3V3_VCC on
MB60.
79
LC-22DV510
LC-24DV510