LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4.9 Folder ON/OFF Trouble
START
Yes
Turn the power on
No
Change Main board
Pin 1 of U502 = 2.65V
Place magnet on U502
Yes
Pin 4 of U502 = 0V
No
VDDE=1.8V at Pin6
Yes
No
Change Main
board
Slide OK?
No
Change keypad
Slide OK?
No
Yes
Finished
Yes
Yes
1
2
Start
Z3X-BOX.COM
Содержание KT520
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