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10. PCB LAYOUT
CN300 I/O Connector
No USB
No Ear-Mic
No Charging
No UART
No FM Radio
CN300 I/O Connector
No USB
No Ear-Mic
No Charging
No UART
No FM Radio
U400 RF Transceiver
WCDMA/GSM Rx Sensitivity &
Tx Power
No Service
U401 PAM
GSM Tx Power
No Service
FL400 FEM
WCDMA/GSM Rx Sensitivity &
Tx Power
No Service
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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1 -
1 .
T -
O
P
- 129 -
CN300 I/O Connector
No USB
No Ear-Mic
No Charging
No UART
No FM Radio
U100 Memory
No Booting
C
1
1
5
C
1
1
8
1
0
1
U101 Baseband Processor
C
1
2
7
1
0
6
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1
2
6
No Power On
1
0
3
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1
1
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No Service
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1
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2
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1
0
5
C
1
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0
C
1
0
9
C
1
3
1
C
1
1
2
CN200 Battery Connector
No Power On
LGE Internal Use Only
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Troubleshooting
