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LG U990 Service Manual page 191

U990; ku990
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9. PCB LAYOUT
<FM radio IC>
- FM radio operation
<Headphone AMP>
- Headset operation
<Charge Pump>
- LCD backlight charge pump
<OVP IC>
- Over voltage protection
LGE Internal Use Only
- 192 -
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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