Pcb Layout - LG KF700 Service Manual

9. PCB LAYOUT

CN300
<LCD F-PCB connector>
-No LCD display
-No sound
-No vibration
-No screen touch operation
-Can`t take a picture
U506
<LCD backlight driver + LDO IC>
- No LCD backlight
- Can`t take a picture
U200
<Baseband and RF IC>
- Check the battery voltage and
Outputs of LDOs-Rx operation
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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U504
<Speaker Amp IC>
- speaker operation
-No speak sound
U103
<FM Radio IC>
- FM radio operation
U300
<Memory IC>
- Check s/w download
LGE Internal Use Only