Samsung GT-B3210 Service Manual page 28

DCDC_OUT
VRF_2.9V
TH300
EAR_ADC
ICHRG
R303
C310
R305
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
C343
MONO1_IN_P
MONO2_IN_N
MONO2_IN_P
MONO_OUT_N
MONO_OUT_P
RADIO_L
RADIO_R
C319 C320 C321
VRF_1.5V VBT_1.8V VCCA_2.8V
VCCD_1.2V_A VCCD_2.9V VCCD_1.9V
VLDO_COREA_S
BATT_OPEN_CHECK
ZD300
SAMSUNG Proprietary-Contents may change without notice
VCCD_2.9V VCCA_2.8V VCCD_1.9V
C305 C306 C307
C309
A4
ADC_AUX1
B4
ADC_AUX2
B3
ADC_AUX3
R304
A2
ADC_AUX4
B1
ADC_AUX5
C1
ADC_AUX6
C2
ADC_AUX7
D1
ADC_AUX8
C311
D2
ADC_AUX9
M3
AOCTL0
M2
AOCTL1
L3
AOCTL2
L2
AOCTL3
R13
HI_MONO_OUT_N
R14
HI_MONO_OUT_P
R12
LO_MONO_OUT_N
P11
LO_MONO_OUT_P
G13
MONO1_IN_N
J13
MONO1_IN_P
G12
MONO2_IN_N
G11
MONO2_IN_P
N15
MONO_OUT_N
L13
MONO_OUT_P
K15
STEREO1_IN_L
UCD300
K14
STEREO1_IN_R
J12
STEREO2_IN_R|MONO3_IN_P
H11
STEREO2_IN_L|MONO3_IN_N
M14
STEREO_OUT_L
M13
STEREO_OUT_R
P6
PWR_KEEP
PWR_KEEP
E5
JIG_ON
PWR_SW2
C4
PWR_ON
PWR_SW1N
F14
MIC_B_D
J5
RAREF1
H6
RAREF2
J6
RAREF3
D7
KEY_BL
LED1_DRV
C7
LED2_DRV
D9
LED3_DRV
N2
RXTX_DATA
RXTXDATA
R2
RXTX_EN
RXTXEN
J4
RTX_I_N RXTXIN
J3
RTX_I_P RXTXIP
K3
RTX_Q_N
RXTXQN
K4
RTX_Q_P
RXTXQP
H5
PAM_VRAMP TXP
L5
TXPSTB
TXPSTB
P13
USB_CARKIT_D_N
P12
USB_CARKIT_D_P
C10
USB_CHRG
A6
VLDO_1
D6
VLDO_2
E14
VLDO_AUD
F12
VLDO_AUX1
D14
VLDO_AUX2
C15
VLDO_COREA
B15
VLDO_COREA_S
C12
VLDO_COREB
D13
VLDO_COREC
VBAT
ZD301
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C308
B6
SIM_CLK
SIM_CLK
E6
SIM_IO
SIM_IO
B5
SIM_RST
SIM_RST
N5
SIM1_CLK
UP_CLK
L6
SIM1_DATA
UP_IO
M6
SIM1_RST
UP_RST
E3
VRFLDO_1
F3
VRFLDO_2
F2
VREF
P1
CNTL_DAT_CSP
CNTL_DAT_CSP
N9
CNTL_EN_CSP
CNTL_EN_CSP
D10
HV_CHRG
G5
AFC
N7
AINT AINT
B11
BATKELV
F1
CREF
L9
DINT
DINT
B12
FBSW
L301
B13
LX
D3
NC
L10
PSW1_BUF
R3
RTC_CLK
P3
SCUSTB
C9
VACC
A12
VEXT
F5
VRTC
C5
VSIM
N4
SCAN
K7
SCANTST
E8
RING_DRV
E9
MOTOR_EN
VIB_DRV
L7
VIB_RNG_EN
VIB_RNG_EN
N6
CLK26M_ABB
SYSCLK
R6
CLK_EN_ABB
SYSCLKEN
R4
FLASH_RST
RESETN
P5
RST
RESET_O
G4
X1RTC
G3
X2RTC
K13
VAMICREF
VAMICREF
K10
VAMICRTN
K12
VAREF
J11
VAREFRTN
C322
L14
VAVCM
F13
VAVCMLSH
K11
VAVCMRTN
C325
M10
CSN_PSC UP_CS
P10
UP_SCLK
SCLK_PSC
R10
UP_SDI
SDI_PSC
M9
UP_SDO
SDO_PSC
B10
VBAT
C6
VBAT12
E13
VBATAUD
E11
VBATAUX
E2
VBATRF
A14
VBATSW
1
NC
2
NC
C332
GND_SW
BTC300
TA300
C302
9-3
Flow Chart of Troubleshooting
VSYN_2.8V VRF_2.9V
C312 C313 C314
VBAT
C315
DCDC_OUT
C316
PSW1_BUF
RTC_CLK
SCUSTB
GND_SW
R314
VSIM_2.9V
POS
C317
C318
NEG
C323
OSC300 C324
VBAT VBAT
C328
C327
TA301
C333 C330
GND_SW
1
1
2 2
3
3
4
NC
5
NC
6
NC
7
NC
1
2