LG KM710 Service Manual - Page 79
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4. Trouble Shooting 4.9.2 Slide Trouble (ON/OFF) START The all paths connected to U100 are OK? YES Is the VRIO a 1.8V? YES Folder signal is low on Magnetizing into U100? YES The DBB(U103) is broken. Change the board. NO Re-solder the C102, C103 NO Refer to Power ON Trouble NO Replace the U100. The U100 is broken LGE Internal Use Only - 80 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
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4. Trouble Shooting
4.9.2 Slide Trouble (ON/OFF)
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
START
The DBB(U103) is broken.
Change the
board.
Is the VRIO
a
1.8V
?
Replace the U100.
The U100
is
broken
Folder signal is low on
Magnetizing into U100
?
NO
YES
YES
YES
Re-solder the
C102, C103
NO
The all paths connected
to U100
are OK?
Refer to Power ON
Trouble
N
O