Samsung GT-S3370 Service Manual page 60

Flow Chart of Troubleshooting
VREG_MSME_1.8V
VBT_1.5V
VBT_1.5V
R100
C100 C101
BT MODULE
SPI_CLK
B4
AIO0 SPI_CS#
SPI_MISO
C4
PIO0 SPI_MOSI
B5
PIO1
C5
PIO2 VREGIN_H
C6
PIO3 VREGIN_L
E7 U100
PIO4 VREGOUT_H
B7
PIO5 VREGENABLE
D5
PIO7
C7
PIO9
G4
BT_PCM_DOUT PCM_IN
H2
BT_PCM_DIN
PCM_OUT XTAL_IN
H3
BT_PCM_CLK PCM_CLK XTAL_OUT
H4
BT_PCM_SYNC PCM_SYNC
TP_UART_RX
G7
BT_UART1_RX SDIO_DATA0|CSPI_MISO|UART_TX LO_REF
TP_UART_CTS F6
UART1_CTS
SDIO_DATA1|CSPI_INT|UART_RTS TEST_EN
TP_UART_TX F7
BT_UART1_TX SDIO_DATA2|UART_RX
TP_UART_RTS
G6
UART1_RTS
SDIO_DATA3|CSPI_CS#|UART_CTS
H7
SDIO_CLKCSPI_CLK
D6
SDIO_CMDCSPI_MOSI
E5
SDIO_SD_CS#
E6
CLK_32K
BOTHHOLE104
ZD602
ZD601
ZD701
C113
BTC700
F100
L100
C120
TP100
C62 0 C619
C118
C101
R101 C109 C10 4 C105
C613
VREG_GP2_2.9V
C102 C103
C105 C104
R101
H1
E4
F4
G2
A5
C106 C109
B2
A4
A6
4
E2
BAL
RF_N
F2
RF_P
6 BAL
A3
A2
G3
BT_RESET
RST#
B3
TP100
G5
C2
N|CS
D2 OSC100
N|CS
D4
N|CS
F5 1 2
N|CS
1
NC
4 3
2
NC
C121 C122
C621
ZD606
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VBT_1.5V
L105
F100
ANT100
2
1
C113
DC
R102 1
UNBAL 1
2
2
NC G G G
3 5 7 8
C116
C118
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