Samsung SGH-A200, Service Manual

Page: 27 / 55

4. Block Diagrams
4-1 Main Base Band
4-1 Block Diagrams
Batter
y
T
ype
Batter
y
V
olta
g
e
Batter
y
T
emperature
3VTXRX
XVCC
3VBRIGHT
R
TC_3V3 LDO
A
Vcc LDO
Vcc
LDO
Serial Data
Interface
I/O
Interface
A/D
Interface
A
GC,AFC
PLL
DC/DC
CONVER
TER
Char
ging
Cir
cuit
Li-Ion Batter
y
(Slim,
Standar
d
Long)
ONE C
VIBRA
T
O
R
SYSTEM CLOCK
(13MHz)
SRAM
FLASH1 FLASH2
EEPR
OM
R
TC_CLOCK
(32.768KHz)
KEY_BO
ARD
SIM CARD
SPEAKER
MIC
BB INTERF
A
C
E
RF INTERF
A
C
E
LCD