Block Diagrams - Samsung SGH-D500 Service Manual

2. Base Band Solut ion Blo ck Diagr am
MIC
RECEIVER
SPEAKER
Ext .
SPEAKER
VIBRATOR
MELODY IC
( 64 Poly )
SYSTEM CLOCK
( 26 MHz )
MV 3 1 9 DNQ
1 G OneNAND
MEMORY
KEY _ BOARD
LCD
P C F 5 2 1 3 E L 1
Li - Ion Battery
( Slim , Standard )
RTC _ CLOCK
Charging Circuit
( 32 . 768 KHz)
5- 2
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BB INTERFACE
Serial Data
Interface
I / O
Interface
A/ D
Interface
RF INTERFACE
AFC
RAMP
P M U
SIM CARD

Block Diagrams

Battery
Type
Battery
Voltage
Battery
Temperature
D1 VDD
D2 VDD
D3 VDD
AVDD
VINT
IOVDD
VDD _ RX_ T X
VCC _ SYN
M I C_ BIAS
CPVDD
SIMEN
GPO
VCHG
VSAVE