Block Diagrams - Samsung SGH-E740S Service Manual

7. Block Diagrams

7-1. Base Band Solution Block Diagram
ANT ANT
ESHS-C090SF
LB_RF_OUT
+VDD_KEY(form LDO)
+VBUS
EXT Conn.
V_EXT_CRG
ONKEY_N
PCF50611HN
B/B B/B
VBAT
3.8V
VBAT
JACK
(BAT)
VF
FEM
HB_RF_OUT
PAM
RF3159
MODE
EGSM_RX
DCS_RX
PCS_RX
RTX_QP
RF_IN_DCS
RTX_QN
RF_IN_GSM
PMB6272
RTX_IP
RTX_IN
26MHz
26MKHz(MCLK)
RF_DATA,CLK,EN
AFC
KEY_ROW(0:4)
KEY Conn.
VOL. KEY
KEY_COL0:4)
CAM. KEY
REF_ON, CHARGE_CTRL
32.768KHz(RTC)
IT_PMU
RSTON
PMU
I2C
2.98V
2.6V
3.3V
1.8V
3.0V
1.2V
32.768KHz
TEMP_PRODUCT
THERMISTER
RSTEXTn
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LCD_RESET
NAVI LCD
HOT KEY
VGH_DETECT
HD(0:15)
MP3_RESET
USB_DETECT
32.768KHz
(RTC)
SD_DET,CTL
T-FLASH
SIMIO.CLK
SIM
SIM_RST
PNX5230
(ARM 9@130MHz)
BT_RST
BT(BCM2048)
UART2
w/ FM
PCM I/F
26MHz
ESD filter
USBDP/M
PACUSBU3
HA[1:24]
MODE Control
HD[0:15]
_RS
Memory
KAP29SN00A
7-1
CAM,VIB SPK
H_KEY WHEEL
CAM_RESET
I2S CODEC
DSP
WM1808
(TCC8222)
12MHz
CODEC_R/L
I2C
SWITCH
•
NLAS5223
EAR1/2
SD_DT/CK/CMD
NLAS5223
AMP
LM4946SQ
HFR_P/N
•
EARMIC_P/N
MIC_IN_P/N
AFR/L(FM)
BT_ANT
FM_ANT
USB_MP3
USB S/W
USB_D+-
USB_MODEM
FSUSB30L10X
VBUS(USB_DETECT)
SPK_P/N
SLIDE FPCB
SLIDE FPCB
SWITCH
(SPK)
(SPK)
EARSPK_RL
EXT Conn.
EXT Conn.
ANT ANT
EXT Conn.
EXT Conn.
(Pin1)
(Pin1)
EXT Conn.
EXT Conn.
USB2.0/1.1
USB2.0/1.1