Trouble Trouble Shooting Shooting Shooting; Only For Training And Service Purposes - LG 19lg3000 Service Manual

1 1 1 1 . . . . No No No Power Power ( ( ( ( LED Power LED LED
No Power LED Blank
CheckQ903, IC903,ZD920 IC902
and relative circuit
Copyright©2008 LG Electronics.Inc.All right reserved
Only

Only for training and service purposes

TROUBLE TROUBLE TROUBLE TROUBLE SHOOTING
Blank Blank ) ) ) ) Blank
No Power
Check power
cord and board
interface
OK
Check F901, BD901
OK
Check Q901
OK
Check IC901
OK
Check T901
OK
SHOOTING SHOOTING SHOOTING
NG
Plug in power cord and
NG
Replace F901 or BD901
NG
Replace Q901
NG
Replace IC901
NG
Replace T901
NG
Replace Q903, ZD920,
IC903 IC902
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interface
LGE Internal Use