Level 3 Repair; Block Diagram - Samsung GT-S3850 Service Manual

8. Level 3 Repair

8-1. Block Diagram

Main ANT
GSM850_900_RX
SAW
Fliter
SKY77560
SAW
DCS_PCS_RX
Fliter
PA_HB,PA_LB,BEL_BAND,EN_TX,VRAMP,EN_TR_SW
KEY_ROW(0:2),KEY_COL(0:1)
Key
VOLUME KEY,SEND END, MENU
V-BAT
LED_P_2.6
BACKLIGHT
3.14"
LCD_BL_EN
LED_N
IC
QVGA
LCD
LCD_D[0:7],RE,CS,RD,WR
LCD
FILTER
TSP_RST,TSP_INT,TSP_SCL,TSP,SDA
VDD_TSP_3.0V
TSP
VDD_SD_3.0V
SD_DATA(0:3),SD_CMD
SD_CLK,SD_DET
SD CARD
Sim_RST,SIM_CLK,SIM_IO
Sim Connector
D/A(0:13),D_BA_(0:1),F_ADW,RST_one_Nand
CE_one_Nand,Ce_N,WE_N,F_CLK
Memory
FADQ(0:15),DOQ(0:15)
2Gb OneNand
+1Gb SDRAM
N_RDY,F_RDY
DDR_CE,D_CAS_N D_RAS_N,D_WE_N
D_CKE,D_CLK_N,DDQ_M_O
DDQ_S_O,COQ_M_1,DDQ_S_1
BCM21333
(BASE BAND)
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MAIN_MIC_P,N
MIC
VDD_CAM_COAR_1.8V
VDDCAM_IO_2.8V
VDD_CAM_A_2.8V
CAM_SCL,CAM_RST
CAM_VSYNC,CAM_PCLK,(CAM_D(2:7)
CD2CMD_CAM
SD2CLK_CAM
VDD_DIG_3.0V
SD2DATA2_CAM
SD2DATA3_CAM
WIFI/CAM
S/W
WIFI_SEL
SD2CLK_WIFI
SD2CMD
SD2CMD_WIFI
SD2CLK
SD2DATA2_WIFI
SD2DATA2
SD2DATA3_WIFI
SD2DATA3
WIFI_WAKE_HOST
RST_WIFI
S2DAT0,SD2DAT1
VBT,VDD_DIG3.0V
VREG_PLL_1.2V
COEX(0-3)
VDD_DIG_3.0V,V_BT_1.2V
BT_WAKE,HOST_WAKE,BT_PCM_IN
BCM20780
BT_PCM,CYNC,BT_PCM_CLK,CLK32K
UART_TXD,UART_CTB_N,BT_CLK,BT_PWR (BT/FM RADIO)
12C_DO,12C_WS,12C_CLK
BT_PCM_OUT,UART_TXD,UART_RTS_N
AMP_N.AMP_P
VDD_AJA_3.0V ,VDD_ANA_1.2V,VDD_VRF_1.3V,VDD_VRF_2.7V
VDD_USBOTG_2.5V,VDD_USB_NuRAM_3.3V,VDD_CORE_1.28v
VDD_MEM_1.8V,VDD_AMP_1.3V,VDD_DIG_3.0V,VDD_VCXO_1.3V
LDO_EN4,5 PMU_SCL
26Mhz
32Khz
8-1
2M FF
SOCKET
CAMERA
BCM4319
WLAN_TX,EN_BT_SW
(WIFI)
EN_WIFI_RX,EN_WIFI_TX
SW
WIFI/BT
WLAN_RX
BT_RF
FM_ANT
BT_REQ_CLK
FM_Lout_Rout
AUDIO SW
INB_L,R
V_BAT
VDD_MOT
_3.0V
MAM8959
SPK_N,P
PMIC
ON_Key_N
V_BUS,V_BAT
KEY
JIG_ID,
USB_D_P,N
MOT
SPK
Ear_JACK
USB