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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-76
This Document can not be used without Samsung's authorization
BT, WIFI Combo
C
3
1
1
VWLAN_1.2V
TP_BT_RST
1
1
2
2
3
3
ANT301
C306
VREG_BT_1.8V
R
3
0
3
VREG_MSMP_2.6V
TP_WLAN_nSLEEP
C
3
0
5
C310
C
3
0
0
C
3
0
1
C
3
0
2
R
3
0
4
V_BAT
C
3
0
3
TP_WLAN_RST
R302
L
3
0
6
C
3
0
4
5
8
G
N
D
5
9
G
N
D
6
XTALO
6
0
G
N
D
7
XTALI
8
WOW
9
CHIP_PWD_L
50
GPIO5
5
1
A
V
D
D
1
8
5
2
D
V
D
D
1
2
5
3
A
V
D
D
1
2
5
4
D
V
D
D
_
G
P
IO
_
1
55
TXDO
5
6
G
N
D
5
7
G
N
D
43
BT_PCM_IN
44
BT_PCM_SYNC
45
BT_PCM_CLK
46
BT_PCM_OUT
4
7
V
B
A
T
1
48
NC
49
NC
5
BT_CLK_EN
36
NC
37
NC
38
BT_CLK_32K
39
BT_RESETB
4
D
V
D
D
_
G
P
IO
_
0
4
0
G
N
D
41
RF_IN_OUT_1
4
2
G
N
D
2
9
B
T
_
V
D
D
_
P
IO
3
SDIO_DATA_3
30
BT_CLK_REQ_IN
31
BT_XTALI
32
BT_XTALO
3
3
B
T
_
V
D
D
1
8
34
NC
35
BT_CLK_REQ_OUT
2
1
B
T
_
V
D
D
1
5
_
C
A
P
22
NC
23
BT_UART_TX
24
BT_UART_RX
25
BT_UART_CTS
26
BT_UART_RTS
27
BT_HOST_WAKE
2
8
G
N
D
1
4
G
N
D
15
SDIO_DATA_1
16
SDIO_DATA_2
17
SDIO_CMD
1
8
D
V
D
D
_
S
D
IO
19
LF_XTALI
2
CLK_REQ
2
0
D
V
D
D
_
B
T
MOD300
1
RXDO
10
SDIO_DATA_0
11
SYS_RST_L
1
2
G
N
D
13
SDIO_CLK
SLEEP_CLK_WIFI
BT_nRST
nWLAN_RST
BT_RTS
BT_CTS
BT_HOST_WAKE
WLAN_SD_DATA(3)
BT_CLK
BT_CLK_REQ
BT_PCM_OUT
BT_PCM_SYNC
BT_PCM_CLK
BT_PCM_IN
WLAN_CLK
WAKE_ON_WLAN
WLAN_nSLEEP
WLAN_SD_DATA(0)
WLAN_SD_CLK
WLAN_SD_DATA(1)
WLAN_SD_DATA(2)
WLAN_SD_CMD
WLAN_CLK_REQ
BT_RXD
BT_TXD
BT, WIFI TCXO
VREG_MSMP_2.6V
VWLAN_1.2V
VREG_MSMP_2.6V
C313
R306
R
3
0
8
VREG_MSME_1.8V
C
3
1
8
1
B
3
GND
5
VCC
4
Y
U302
2
A
R
3
0
7
CE
3
5
G
N
D
2
GND
VDD
4
VOUT 1
U301
4
VDD
VCO300
GND
2
OUT
3
1
SW
1
0
V
C
3
1
7
C314
C312
WLAN_CLK
BT_CLK
WLAN_CLK_REQ
BT_CLK_REQ
Summary of Contents for GT-B7320L
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