LG -S310 Service Manual page 177

9. PCB LAYOUT
CN500 Receiver Pad
- Cannot hear receiving voice
VB500 Vibrator Pad
- No vibration
CN601 3M pixel Camera
- No Camera image
CN801 Side Key FPCB Pad
- No volume key input
ANT700 FM Wireless Antenna pin
- No FM Radio sound without headset
S300 SIM + uSD Socket
- "Insert SIM Card" message Cannot
detect SD Card
U101
- No service & TX power
LGE Internal Use Only
LG-S310_MAIN_SPFY0234701-1.0-BOT
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ANT701 Blue tooth Antenna
- Cannot pairing BT Devices
CN600 LCD Connector
- No Display
CN401 uUSB I/O
- Cannot connect USB
- Cannot boot from USB or PIF PWR
- Cannot detect headset
BAT200 Super Cap
- Cannot remain time $ date
information when no battery
X100 XO
- No service & Power on
U100
- No service
SW101 RF Switch
- No service
FL101 RF SwitchPlexer
- No service
SW100 RF Coaxial connector
- No service
CN400 Battery connector
- No power on
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