Samsung SGH-U900 Service Manual page 40

Block Diagrams
FLASH
Touch_Key
LDO
MOTOR
MOT
DRIVE IC
LDO
Handset speaker
Stereo headset
Microphone
Bluetooth IC
(BCM2048)
SGH-U900 Block Diagram
SDRAM
LCD NAND
EBI 1 EBI 1
CAMERA
DUAL MEMORY BUSES
PROCESSING
MDDI Client
MSM6280
GRAPHICS
OpenGL ES
3D,2D
Modem QDSP4000
PLL Inside
VIDEO
ARM 926ejs
MPEG-4
QDSP4000
with Jazelle
H.263,H.264,
WM,Real
CONNECTIVITY
AUDIO
MP3,AAC,
EVRC,QCELP,
AMR,AMR-WB/+,
CMX,MIDI
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OTHER
PM6658
MDDI Host
UMTS,HSDPA
GSM,GPRS,
RTR6280
EGPRS
Processor
PLL
gpsOne
processor
BT
processor
Rx ADCs (2) LPF
PLL
Equalizer
LPF
Tx DAC
SSBI
SSBI Control
Control
8-2
RTC : 32.768MHz
TCXO: 19.2MHz
LO
Generato
HDET
Rx Demod
Rx
modulator
LO
Generator
Tx
modulator
Duplexer