LG GCC-4242N Service Manual page 53

A
Check connection between conector
and FPC.
Check if FPC is not broken.
Execute 'S4LPCHK.exe' and choose '2.
Read Power Check'
Measured Power
2.1[mW]-3.5[mW]?
Yes
OK
Input value of the power meter by [µW]
For example: Measured power is 2.55
[µW] -> Input value is 2550.
No
RDRV level
50[%] -150[%]?
No
RDRV level
150[%] over?
Yes
FPD level
150[%] over?
Yes
NG 4
Replace the FEP and execute LD
Power calibration.
NG 1
Yes
Replace the P/U and execute LD
Power calibration.
No
FPD level
50[%] under?
NG 3
No
Replace the P/U and execute
LD Power calibration.
NG 2
Replace the FEP and execute
LD Power calibration
Yes
No
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