LG -S310 Service Manual page 111

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4. TROUBLE SHOOTING
Circuit Diagram
B1
BT_RF
Check flow
LGE Internal Use Only
VBAT
TP1
C712
2.2u
TP4
VBT_2V8
TP2
TP6
TP
TP5
U700
- 112 -
Copyright © 2010 LG Electronics. Inc. All right reserved.
C713
0.1u
D6
UART_RX
D7
UART_TX
E6
UART_RTS
E7
UART_CTS
B7
PCM2_IN
B5
PCM2_OUT
Only for training and service purposes

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