Samsung GT-B2100 Service Manual page 84

SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS COS PROPERTY.
DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
MES_BATT
C301
VDD_IO_HIGH_2.9V
AVDD_2.6V
VDD_CAM_1.5V
VDD_USB_3.3V
VDD_PLL_1.2V
C313
OSC300
4
3
1 2
C316
TP_IT_PMU
IT_PMU
R309
SIMOFFn
RSTON
REF_ON_PMU
V_CORE_CTL
32KHz_DIGIT
VBAT
VDD_IO_HIGH_2.9V
2.9V
VDD_IO_LOW_1.8V 1.8V
VDD_VIB_3.3V 3.3V
VDD_SLEEP_2.7V 2.7V
AVDD_2.6V 2.6V
AVDD_HFA_2.6V 2.6V
VDD_SIM_3.0V
3.0V
VCC_SYN_2.8V
2.8V
VDD_GSM_CORE_1.2V 1.2V
VDD_PLL_1.2V 1.2V
SIM_VCC_3.0V 3.0V
VDD_SD_3.3V 3.3V
VDD_USB_3.3V 3.3V
VDD_MAIN_KEY_3.3V 3.3V
VBAT
R306
C302
C306
C307
C309
C312
1 39
OSCI VSS
2 38
OSCO VCHG
3 37
_IRQ USBVIN
4 36
SIMCKHC CHGCUR
5 35
_SIMRSHC _REC2
6 34
PMU300
SIMIOHC|_SIMOFF _REC1
7 33
_RSTHC VBATSENSE
8 32
GPO3 VISA
9 31
GPO2 REFGND
10 30
GPO1 REFC
11 29
PWREN1 MICBIAS
12 28
PWREN2 _ONKEY
13 27
VSS NTC
57
VSS
VDD_IO_LOW_1.8V
C322
L301
C328
Power Management Unit
VDD_IO_LOW_1.8V
C300
VDD_SD_3.3V
C303
VDD_SIM_3.0V
C304
VDD_RX_TX_2.8V
C308
VCC_SYN_2.8V
C310
V_EXT_CHARGE
VBUS_5V
C314
C315
R307
VBAT
JACK_IN
AUX_ON
C320
C319
R310
MIC_BIAS_2.15V
C321
ONKEY_N
C330
SCL
SDA
VDD_MAIN_KEY_3.3V
AVDD_HFA_2.6V
VDD_VIB_3.0V
C323 C324 C325
VDD_GSM_CORE_1.2V
VDD_SD_3.3V
R314
VBUS_DETECT
VBUS_5V
SD_DATA1
SD_DATA0
R315
SD_CLK
SD_CMD
SD_DATA3
SD_DATA2
USB DETECT
T-FLASH CON
SIMRST
SIMCLK
VBAT
U300
4 1
VIN VOUT VDD_CAM_2.8V
3 2
CAM_PWR_ON EN GND
C331 C332
VCC_SYN_2.8V
R312
TEMPERATURE
VR300 R313
THERMISTER
VDD_SD_3.3V
R301 R302 R303 R304 R305
CD300
NC
12
NC
11
NC
10
NC
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
C305
VDD_SIM_3.0V
SIM300
R308
6 6
1 1
5
2 2 5
4 4
3 3
SIMIO
7 12 12
7
C318
C317
8 8 11 11
9 9 10 10
G G G G
16 15 14 13
SIM CON
VBAT
BTC300
1
1
2
2
VF
3
3
4
NC
5
NC
C326
6 C329 D300
NC
7
NC