LG GX500 Service Manual page 139

9. PCB LAYOUT
U308 Analog Switch
- No Download
U701 Audio subsystem
- No Sound
U309 5 pin u-USB control IC
- No booting, No USB
U303, 305, 703 Analog SW
- No Sound
U310 Single Charger IC
- No Charging
U301 Dual Analog Switch
- No USB Connection
U702 Dual Port Static RAM
- Lock up
U102 Memory for U101
- No booting
U201 PMIC
- No power, No Service
U101 SIM1, Baseband IC- No power
on, No Service
U802 Touch IC
- No touch screen
U204 Motor Driver IC
- No vibrator
LGE Internal Use Only
G N D 6 0 1
V A 2 0 2
V A 2 0 1
F L 1
F L 8 0 2 F L 8 0 1
X 5 0 1
L 5 0 4
U 5 0 1
U 1 0 2
C 2 3 8
D 2 0 1
C 2 1 8
C 2 0 1
L 2 0 2
U 4 0 1
F L 4 0 1
C N 2 0 1
A N T 4 0 1 G N D 4 0 2
GX500_MAIN_SPFY0216901_1.0_BOT
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A N T 6 0 1
F L 2 0 1
L 5 0 9
V A 8 0 3
V A 8 0 1
V A 8 0 2
U503 SIM2, Baseband IC
- No Power On
- No Service
U502 Memory for U503
- No Booting
U302 Dual Analog Switch
- No UART
Q501 TR
- SIM2, No Booting
Q201 Dual TR
- No power on
U205 Charge pump
- No LCD Backlight
U501 Dual AND Gate
- SIM2 No Booting
U203 3axis accelerometer
- No Swivel detect
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Only for training and service purposes