LG GT500 Service Manual page 195

9. PCB LAYOUT
LGE Internal Use Only
CN603 5M camera Con.
No 5M camera
U502 USB transceiver
CN500 5Pin Micro USB Con. U500 OVP IC
No download
No Charging No charging
No data service
No headset
No download
U501 MUIC
U200 Memory
No download
No booting
No headset
SW100
No service
SW101
No service
U604 Backlight charge pump
No display
CN601 60Pin Sub Con.
CN503 VGA FPCB Con.
No SIM
No VGA camera
No GPS operation
No touch operation
No Wi-Fi operation
No sound
No BT operation
No FM radio operation
No Flash
U201 DBB
No booting
No service
No display
U300 PMIC
U301 Audio Amp X300 crystal
No power on
No Sound No power on
No service
No charging
No sound
U600 LDO for LCD
No display
CN604 50Pin Con.
No display
No keypad input
No power on
No mic input
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Only for training and service purposes