Samsung GT-i8910 Service Manual page 73

Flow Chart of Troubleshooting
ANT201
1
1
2
2
3
3
③
L211
L207
TP_BT_TX_CONFIG
TP_WLAN_DBG_MSG
TP_BT_RF_ACTIVE
TP_BT_PRIORITY
BT_nSHUTDOWN
TP_BT_nSHUTDOWN
TP_BT_WAKE_UP
TP_WLAN_RS232_RX
TP_WLAN_RS232_TX
WLAN_SPI_DIN
TP_WLAN_SPI_DIN
WLAN_SPI_DOUT
TP_WLAN_SPI_DOUT
TP_WLAN_SPI_CSX
WLAN_SPI_CSX
R204
WLAN_SPI_CLK
TP_WLAN_SPI_CLK
WLAN_IRQ
TP_WLAN_IRQ
PCMOUT_BT
TP_PCMIN_BT
PCMIN_BT
AUX_PCM_CLK
TP_AUX_PCM_CLK
AUX_PCM_SYNC
TP_AUX_PCM_SYNC
WLAN_CLK_RE Q WLAN_CLK_REQ
V_BAT
L212
1
BT_TX_CONFX
30
BT_TX_DBG
3
BT_RF_ACTIVE
2
BT_PRIORITY
6
BT_nSHUT_DOWN
4
BT_WAKE_UP
11
WLAN_RS232_RX
12 MOD200
WLAN_RS232_TX
23
WLAN_SPI_DIN|SDIO_CMD
22
WLAN_SPI_DOUT|SDIO_D0
20
WLAN_SDIO_D1
24
WLAN_SDIO_D2
21
WLAN_SPI_CSX|SDIO_D3
25
WLAN_SPI_CLK|SDIO_CLK
7
WLAN_IRQ|GPIO0
19
WLAN_UART_TX|GPIO8
26
PCM_AUD_IN
27
PCM_AUD_OUT
28
PCM_AUD_CLK
31
PCM_AUD_FSYNC
VIO
C220
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C206
44
FM_AUD_L
43
FM_AUD_R
42
FM_RFLDO_OUT
41
FM_VLDO_OUT
39
FM_BGAP
36
FM_IRQ
45
FM_SCL
46
FM_SDA
32 BT_TXD
HCI_RX
33 BT_RXD
HCI_TX
35 BT_RTS
HCI_CTS
BT_CTS
34
HCI_RTS
5
CLK_REQ
①
18
FAST_CLK_IN
40
SLOW_CLK_IN
14 TP_WLAN_PMEN
PMEN|WLAN_RESETX
16
VFB
29
VIO
13
VSW
L210
R202 ②
4 3
VDD OUT
R205
SW GND
OSC200
1 2
9-36
BT_TXD
BT_RXD
BT_RTS
BT_CTS
WLAN_CLK_RE Q WLAN_CLK_REQ
WLAN_CLK_IN
32KCLKOUT
VIO
WLAN_PMEN
C212
WLAN_CLK_IN