LG RH188S Service Manual page 74

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LD CHECK
(Laser operating is abnormal)
Perform 6. Optical Power Setting parameter
check from'How to use Test tool'.
Is ALPC parameters
valid?
NO
Perform 5. Optical Power Setting
OFF level
OK
W1SET level &FPD
OK
W2SET level &FPD
OK
W3SET level &FPD
OK
OK
YES
N.G
N.G
N.G
N.G
FPD
W1SET
4-13
Execute "C.Laser Power Setup"of
"How to use Test Tool"
Check reference voltage.
E
F
G
W3SET
W2SET

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Rh177Rh188hsRh199hsRh199

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