Samsung SGH-D830 Service Manual page 68

Gsm telephone
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R125
BT_CTS
BT_RTS
BT_RXD
BT_TXD
C137
C138
VBT_1.8V
VBAT
C134
C133
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VBT_1.8V
MOD100
R116
8
RESETB
26
UART_CTS
14
UART_RTS
17
UART_RX
2
UART_TX
21
VDD_1.8V
18
VDD_REG
11
VDD_UART
5
GND
12
C139
GND
19
GND
23
GND
24
GND
U102
1
VDD
2
GND
3
VOUT
22
ANT
16
PCM_CLK
13
PCM_IN
9
PCM_OUT
20
PCM_SYNC
1
PIO_0
25
PIO_1
3
PIO_2
4
PIO_3
7
PIO_4_UART_TX2
6
PIO_5_UART_RTS2
10
PIO_6_UART_CTS2
15
PIO_7_UART_RX2
6
CE
5
GND
4
NC
9-29
Flow Chart of Troubleshooting
ANT100
1
2
TP100
PCM_CLK
PCM_IN
PCM_OUT
PCM_SYNC
VBT_EN
R122
3

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