Samsung SGH-G810 Servise Manual page 40

Flow Chart of Troubleshooting
C209
WLAN_CLK_REQ
ANT_WIFI
SGHG810-BT
2 1
C207
C203
BT_CTS
BT_RTS
BT_RXD
BT_TXD
BT_nSHUTDOWN
WLAN_SPI_DIN
WLAN_SPI_DOUT
WLAN_SPI_CSX
WLAN_SPI_CLK
WLAN_1.8V
4 3
VDD OUT
SW GND
TCX200
1 2
L214
U202
12
TP_RS_TX
C253
TP_UART 36
25
26
27
28
35
TP_WAKEUP
29
TP_nSHUTDOWN
15
TP_WLAN_SPI_DIN
18
TP_WLAN_SPI_DOUT
13
14
17
TP_WLAN_SPI_CSX
16
TP_WLAN_SPI_CLK
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R204
R218
V_BAT
R222
C251
10V
WLAN_1.8V
RS232_TX
UART_TX
HCI_RTS|BTSDIO_IRQ|BTSPI_IRQ AUD_FSYNC
HCI_CTS|BTSPI_CS
HCI_TX|BTSDIO_DATA|BTSPI_DO
HCI_RX|BTSDIO_CMD_BTSPI_DI
BT_WAKEUP|BTSDIO_CLK|BTSPI_CLK
BT_SHUTDOWN
SLEEP_CLK
SPI_DIN|SDIO_CMD EXT_CLK_REQ
SPI_DOUT|SDIO_D0
SDIO_D1
SDIO_D2
SPI_CSX|SDIO_D3
SPI_CLK|SDIO_CLK
HOSTIF_LVL_SEL
10-26
C211
WLAN_CLK_IN
C252
6.3V
10
RS232_RX
TP_RS_RX
21
AUD_IN
22
AUD_OUT
23
24
AUD_CLK
34
IO15
6
CLK_IP
7 R221
19
L215
C220
1
VSW
2
VFB
43 TP_WLAN_PMEN
PMEN
8 TP_WLAN_IRQ
WLAN_IRQ
9
C254
BT_PCM_OUT
BT_PCM_IN
BT_PCM_SYNC
BT_PCM_CLK
WLAN_CLK_IN
32KCLKOUT
WLAN_CLK_REQ
6.3V
WLAN_PMEN
WLAN_IRQ