Samsung B2700 Service Manual page 75

1
SAMSUNG CONFIDENTIAL
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
VDD_MEM_CARD_2.9V
A
AVDD_2.6V
VDD_IO_HIGH_2.9V
VDD_VIB_3.3V
C400 C401 C402 C403 C404
B
VHIGH
R403
CTRL_VREF_3G_B1
C
AUX_ON
VCC_TX_2.8V
D
VDD_MEM_3G_CORE_1.8V
VDD_GSM_CORE_1.2V
VBAT
E
C432
C431 C429 C430
F
GT-B2700 Service schematics
1
2 3
VDD_IO_LOW_1.8V
ADV_3.0V AVDD_HFA_2.6V
VCC_KEYLED_3.3V
R414
C405 C408
C406 C409
C407
VDD_IO_LOW_1.8V
B22
SCL1 SCL
A28
SDA1
SDA
TP403
B14
SIM_OFF USIMACT
B15
USIMPRES
TP404
B5
IT_PMU
INT_N
A16
RSTON RSTHC_N
B4
TP400
RSTMEM_N
B9
PWREN1
B8
PWREN2
B7
PWREN3
A8
BB3G_REF_ON
PWREN4
B6
PWREN5
B16
SHUTDOWN
D5
REC1_N
A56
REC2_N
TP401
A20
ONKEYn
ONKEY_N
B10
GPIO1
A11
GPIO2
B11
BT_CLK_REQ
GPIO3
A12
GPIO4
A14
GPIO5
B12
GPIO6
D6
GPIO56GND
D8
VREF_3G_B1
GPO1
A43
GPO2
B25
NC
B35
NC
D4
GPO1VIN
B34
32KHZ_DIGIT
GPO2VIN
B36
TP402 NC
C427
B40
NC
B13
CLK32K
A52
OSCI
B41
OSCO
OSC400
C428
32.768KHZ
R408 L400
L401
C433
2 3
4 5
VBUS_5V
VDD_USB_3.3V
< PMIC >
VBAT VBAT
C411
C410
C419
B38
REFC
A48
REFGND
B39
VINT
A49
VHIGH
B42
NC
D2
NC
D3
NC
D7
NC
A1
VBAT
A2
VBAT
A47
VSAVE
C424
A17
NC
B1
U400
VBATSENSE
A54
VCHG
A55
VCHG
A53
VBUS
D1
SCUSB
A18
NC
B44
CCSET
A30
VINT R405
A21
NC
A24
NC
B43
VINT
A25
NC
A29
NC
A31
NC
A32
NC
A44
NC
2
NC
3
NC
<SIM SOCKET >
VCC_SIM_3.0V
SIM400
R415
1
2
SIMRSTn
3
SIMCLK
4
5
6
SIMIO
7
ZD401
8
9
1 6 10
CH1
CH5
2 5
VN CH4
C435
3 4
CH2 CH3
4 5
6
VDD_PLL_1.2V
VCC_SIM_3.0V
VCC_SYN_2.8V
VCC_RX_TX_2.8V
C412 C416 C417
C413 C414 C415
VINT VBAT
VHIGH
C423
C421
C422 C420
BAT400
VCHG_5V
USB_SUSPEND
C425
VINT
<MICRO-SD SOCKET >
ZD400
1 6
CH1
CH5
2 5
VN CH4
3 4
CH2 CH3
R409
FCI_DATA2
FCI_DATA3
FCI_CMD
FCI_CLK
FCI_DATA0
FCI_DATA1
VCC
VR401
VCC
CLK
GND
VPP
I/O
NC
NC
NC
NC
6
7 8
VBUS_5V
C426
VDD_MEM_CARD_2.9V
R413
R410 R411 R412 CD400
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
NC
10
NC
11
C434
NC
12
NC
7 8
A
B
C
D
E
F