LG 60LN549E Service Manual page 18

7.4.3. External Clock
< Equipment & Condition >
▪ Simple Jig (External Clock Assy)
▪ Power only mode
(1) Connect external Clock Assy to CLOCK INTERFACE.
(2) Check the LED CLOCK.
Check LED Clock in Power on mode.
* After finishing 7.1 ~ 7.4 inspections, press "IN STOP" key.
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