Samsung GT-B7300 Service Manual page 106

1 2
A
B
VCOIN_3.0V
C
OSC400
VCC 12
1
VIO
OUT 7 C402
32K_CP_PM
C404
VCOIN_3.0V
2 3 4 5 8 91011 6
D
6
PS_HOLD IN
5
VCC
4
COM
E
VAP_MMC_3.0V VAP_HI_3.0V VAP_EXT_3.0V VAP_DAC_3.0V VAP_ADC_3.0V
VAP_ALIVE_1.2V
F
TR400
3 D
1
PM_PWR_EN NC
G VAP_PLL_1.2V 3
VSS VOUT
2 S
4
U402
G VAP_SYS_3.0V
R417
AP_nRST_IN
1
JIG_ON 3
VREG_MSMP_2.6V 4
R420
VEXT_SAFE_5V 5
H
R421
R422
D400
1 2
3 4 5
GT-B7300 Service schematic diagram
VREG_RFRX2_2.7V
L400
C400
VREG_MSMC_1.2V
L401
C415
U400
VREG_MSME_1.8V
1
C409
NO CLK32K_AP
GND 2
C411
FM_CLK32K L402
3
NC
C425
VAP_PCM_3.0V
VAP_SYS_3.0V
V_BAT VAP_ARM_1.2V
C427 C428 C429 C445 C431
VIN ON_SW
2
1
U404
R423
F5
VCC_COIN
L403 E1
LX1
VRTC_3.0V
L404
G2 F1
LX2 IN1
L405 G5 G1
LX3 IN2
VAP_ALIVE_1.2V
G6
IN3
D4 A2
PM_SET1
SET1 IN4
D3 C1
PM_SET2
SET2 IN5
D2 C6
PM_SET3
SET3 IN6
B4 E2
PM_PWR_EN
PWREN BUCK1
E3 F2
PWRON BUCK2
F3 F4
PS_HOLD
PWRHOLD BUCK3
TP_PS_HOLD
B5 F6
SW_RST
MR\ LDO1
C5 B1
nPOWER
ONO\ LDO2
E4 A1
RSO\ LDO3
A3
LDO4
PWR_I2C_SCL C3 A4
SCL LDO5
PWR_I2C_SDA C2 A6
SDA LDO6
B3 B6
SRAD LDO7
C4 D6
nBATT_FAULT
LBOB LDO8
2 B2 E6
JIGON LDO9
A5
REFBP
D5
C446
AGND1
1 E5
NC AGND2
2 D1
NC
PGND1
G3
C435 PGND2
C436 C437
G4
PGND3
3 4 5
6 7
R400
VREG_RFRX2_2.7V V_BAT
R401
C412 A1
IN1
F1
IN2
R404
C413 A4
IN3
C414 H5
IN4
C3
FB1
C2
FB2
F4
FB3
A2
R405 LX1
B1
LX2
H4
LX3
B4
TP_TCXOEN
ENO5
B3
TCXO_EN
ENO7
D1
D+
E1
D-
G5
CP_PM_SCL
I2CCLK
G6
CP_PM_SDA
I2CDATA
G3
SLEEP_CLK
32KHZ
E5
CLKIN
D5
VREG_MSMP_2.6V SIMCLK
C5
R409 SIMDATA
D4
SIMRST
R411
R412
R413
VAP_CORE_1.2V VAP_MEM_1.8V
C433
VAP_SYS_3.0V
C432
R414
TA_nCONNECTED
R416
R418
CHG_SEL
VAP_OTGI_1.2V
VAP_MMC_3.0V
VLED_3.3V
VLCD_1.8V
VLCD_3.0V
VAP_OTG_3.3V
VAP_SYS_3.0V
C438 C439 C440 C441 C442 C443 C444
6 7
8 9
VREG_USIM_3.0V
VCOIN_3.0V
R403
BAT400
C408
A6
OUT1
A5
OUT2
A7
OUT3
C7
OUT4
B2
OUT5
F7
OUT6
D6
OUT7
G7
OUT8
H7
OUT9
G1
OUT10
H6
OUT11
H2
XIN
U401 R406
H1
32K_CP_PM
XOUT
R407
B5
HFPWR
F6
PHONE_ON
PWRON R408
TP_PHONE_ON
G4
MSM_PSHOLD
PWRHOLD
C417
E7
REFBP
C418
E6
REF_OUT
REFOUT
E4
RSTIN
F2
DAT
C6
IO
E2
SE0
D3
OE\
C4
ONO\
F5
IRQ\ PM_INT_N
E3
RESET\ RSTIN_IN
F3
ENBUCK3
R410
VEXT_FET_5V VUSB_OVP_5V
V_BAT
VAP_SYS_3.0V
U403
1 14
IN SAFEOUT
R415
2 13
_POK SAFEUSB
3 12
USB BATT
4 11
ABI GND
5 10
_ABO _EN
TA_EN
6 9
MIN _CHG
TA_nCHG
7 8
SETI DETBAT
VF
GND
15
C434
R419
10V
8 9
10 11 12
VREG_MSMP_2.6V VREG_TCXO_2.85V VUSB_3.3V
VREG_SYNTH_2.7V
VREG_MSMA_2.6V VREG_RFRX1_2.1V
V_BAT
BTC400
1 1
2
VF 2
3 3
4 4
5
NC
6 NC
TA400
ZD401
P O W E R
R C V
S P E A K E R
M I C
S I M
M O T O R
10 11 12
A
B
C
D
E
F
G
H