LG KE990 Service Manual - Page 168
Pcb Layout
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9. PCB LAYOUT - FM radio operation - Headset operation - Over voltage protection - LCD backlight charge pump Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 169 - LGE Internal Use Only
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9. PCB LAYOUT
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
<Charge Pump>
- LCD backlight charge pump
<FM radio IC>
- FM radio operation
<Headphone AMP>
- Headset operation
<OVP IC>
- Over voltage protection