Pcb Layout - LG AT&T GR500 Service Manual

9. PCB LAYOUT

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Only for training and service purposes
<Key LED>
Key Backlight
<LDO for flash LED>
Flash LED operation
<LCD FPCB Connector>
LCD, Key, Receiver,
VGA Operation
<Key Encoder
Level Shifter IC>
Qwerty Key Operation
<LCD LDO>
LCD operation
<Touch Level Shifter IC>
Touch Screen operation
<Camera Connector>
2M Camera Operation
<3 axis accelerometer>
Motion sensor operation
<Motor operating IC>
Motor operation
<Camera LDO>
Dual LDO for
Camera Operation
Slide detect
<Key Encoder IC>
Qwerty Key Operation
<Touch Screen
Touch Screen operation
<Side Key>
Lock Up/Camera
<BT Antenna>
BT operation
Voice input
- 175 -
<Hall IC>
Driver IC>
operation
<Mic>
LGE Internal Use Only