LG 42PG6000 Service Manual page 16

5. In case of occurring strange screen into specific mode
5-1. In case the OSD does not displayed
(1) Symptom
1) LED is green.
2) The minute discharged continuously becomes Accomplished from module.
(2) Check following
1. Is damage in the LVDS cable?
2. Isn't the LVDS cable connect well from
Ctrl Board to VSC Board?
No
Is the VSC Board
normal?
Yes
Is the Ctrl Board of Module normal?
1. Check the LED on the Ctrl Board
2. Check the 5V_ON on the Power Board by the DMM.
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Yes
No
1. Check the Monitor OUT by SCART2 : Connect the another TV set
2. Check the LVDS clock(R240,R243) on the VSC Borad by Oscilloscope?
1. Replace cable
2. LVDS Cable connect well from Ctrl Board to VSC Borad
Operates FLI106X0H(IC100)?
No
Replace FLI106X0H
IC(IC100)
No
Replace the Ctrl B/D
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Yes
Replace the
VSC B/D.
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