LG -A258 Service Manual page 131

CN 300 : B2B Connector
- no LCD Display
- no SUB KEY Operation
CN201 : BAT Connector
- no Power on
CN203 : I/O Connector
- no USB Connection
U202 : mini ABB
- no Charging
- no Camera
- no LCD Backlight
CN202 : Micro SD Socket
- no Micro SD memory
U100 : Memory
- no Booting
U101 : DBB
- no Power on
- no Service
X100 : 26M X-tal
- no Power on
- no Service
MIC200 : MIC
- no MIC Operation
LGE Internal Use Only
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9. PCB LAYOUT
U300: Bluetooth
- no Bluetooth conn.
U200 : Audio Subsystem
- no Sound
J200 : SIM Socket
- no SIM Operation
U301: RF module
- no Service
- RF Sensitivity & TX Pwr.
SW300: Mobile Switch
- Can't make a call
- TX Low power
- Not good BER
- No Service
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Only for training and service purposes