LG MU-42PM12X Service Manual - Page 16

No Power

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TROUBLE SHOOTING GUIDE 2. No Power (1) Symptom ¯ No indication of Power. ¯ No front LED. (2) Check follow No Power cord connected? Yes Cable connecting the Line Filter No and Power Switch connected? Yes Is the Power Switch connected to No Power Board? Yes Is Fuse(F101) on Power Board No good? Yes Is the Power Board connected to No 7P of VSC Board? Yes When ST-BY 5V does not operate, replace Power Board. Plug in power cord. Connect Cable. Connect Cable. Replace Fuse. Connect Cable. - 16 -

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TROUBLE SHOOTING GUIDE
2. No Power
(1) Symptom
fl
No indication of Power.
fl
No front LED.
(2) Check follow
Power cord connected?
Plug in power cord.
Yes
No
Cable connecting the Line Filter
and Power Switch connected?
Connect Cable.
Yes
No
Is the Power Switch connected to
Power Board?
Connect Cable.
Yes
No
Is Fuse(F101) on Power Board
good?
Replace Fuse.
Yes
No
Is the Power Board connected to
7P of VSC Board?
Connect Cable.
Yes
No
When ST-BY 5V does not operate,
replace Power Board.