LG B2000 Service Manual

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6. BLOCK DIAGRAM
6. BLOCK DIAGRAM - Base Band
BEE Project Baseband Block Diagram
LCD
(128X128)
MCP
(128X32)
VIBR
ATOR
TR
C
O
N N
R
F
R
F
32
KHz
KEY PAD
MIDI
(MD2871, 4nPOIY)
1W AMP (option)
SIM
I/O CONN
EAR-MIC
KEYPAD LED
FET
20
A D
6 5 2 7
A D
6 5 3 7
B
VBAI
RKI, RXQ
TXI, TXQ
TX_RAMP
1V8_VCORE
2V8_VMEM
1VS_VRTC
VSIM
2V75_VABB
2V75_VTCXO
2V5_VMIC
POWERKEY
GATE
DRIVE
AOTU1
AINI
AIN2
AOUT3
AOUT2
VCHG
LIGHT
LIGHT
VOUTNOR
VBAT
S
G
D
VINNOR
AUXIP
AUXOP1
AUXOR2
AFC
Control Signal
Power
Audia
RF
ADD0
CS/WR/RD/DIMM
DATA(0:15)
ADDR(0:23)
ROM_CS,RAM_CS
13MHz
RD/WD/RST/...
KEYROW(0:4)
KEYCOL(0:4)
POWERKEY
MIDI_IRQ
AUXOP2
SIM_RST/
CLK/DATA
VSIM
USC(0:5)
DEBUG
BAT_TEMP
VBAT
VCHG
MIDI_RST/CS
VSYNTHEN
ANT_SW
SDATA,EN,CLK
PA_EN,BAND
ABB_IRQ
ABB_RESET
CLK_OUT
MCLK_EN
CSDI/CSDO/CSFO
BSDO/BSDI/BSOFS..
ASDI/ASDO/ASFS
JTAGEN/TDI/TDO..
JACKDETECT
HOOKDETECT
ADDRESS ( )
DATA ( )
0
..
23
0
..
15
+
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13

LG B2000 Specifications

General

Brand	LG
Model	B2000
Category	Cell Phone
Language	English