LG 42PG6000 Service Manual page 15

4. No Raster
(1) Symptom
1) No OSD and image occur at screen.
2) It maintains the condition where the front LED is green.
(2) Check following
Does minute discharge
At Module?
Yes
Is the LVDS cable co
nnect well from Ctrl
Board to VSC Borad?
Yes
Is the VSC Board
normal?
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Only for training and service purposes
No
Is the VAVS on?
YES
Check the PDP Module
No
Reconnect the LVDS
cable in P501
No
1. Check the Monitor OUT by SCART2 : Connect the another TV set
2. Check the LVDS clock(R537,R538) on the VSC Borad by Oscilloscope?
NO
Is output the normality
Low/High voltage except
stand-by 5V?
Operates FLI106X0H(IC100)?
No
Replace FLI106X0H
IC(IC100)
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NO
Replace the Power
board
Yes
Replace the
VSC B/D.
LGE Internal Use Only