Read Sharp LC-50LE761K Service Manual online
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LC-42/50LE762
LC-42/50LE761
LC-42/50LE760
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B. 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 should be 5V when CI module inserted. If it is not 5V please check
CI_PWR_CTRL, this pin should be low.
Please check mechanical position of CI module. Is it inserted properly or not?
Detect ports should be low. If it is not low please check CI connector pins, CI module
pins.
2. CI Module Problem
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