Icom IC-2200H - Semiconductor Information; Block Diagram

14-3 BLOCK DIAGRAM
FOR FM_TRANCEVER
OPTION CONNECTOR
BUFF
F_RXD
RES
TXD
TXD_2
RXD_2
232_RX
232_TX
REFMOD
DMOD
FMDET
DAFOUT
AMODIN
5V
APWR
3.2V
REG
3.3V
REG
+5V
CTRL
BUFF
IC251B
NJM2115
IC251A
NJM2115
BUFF
BUFF
IC253B
NJM13404
IC253A
NJM13404
RS-232C_DATA
FOR FM_TRANCEVER CPU
FLASH WRITER
LEVEL
CONVERT
Q305 XP4312
Q306 XP4312
IC351
MAX3226
RS-232C
RESET
MODEM
2.4576MHz
CPU
IC151
AMBE-2020
DSP
CODEC
LINEAR
CODEC
IC50
AD73311
Q400 2SA1586
Q401 DTC144
PSAVE
+3V
CTRL
3.3V
3.3V
5V
X101
CR-708
INV
IC101
TC7SHU04
16.384MHz
9.8304MHz
X201
CR-760
3.2V
IC204
HD64F3687
IC203
S-80928CNMC
IC252
CMX589AD5
Q50 2SA1586
Q51 DTC144
3.3V
PSAVE
IC2
R1111N321B
IC1
S-812C33AMC
VCC: 4.5
- 8.5V
J301
LINE
DATA BUS LINE
TX LINE
RX LINE
VOLTAGE LINE
Explanatory notes
14 - 2
14-2 SEMICONDUCTOR INFORMATION
• TRANSISTORS AND FET’S
• DIODES
B
E
C
B
E
C
E1
C2
B1
C1
E2
B2
2SA1586 GR DTC144EUA T106 XP4312
(Symbol: SG) (Symbol: 26_) (Symbol: 7T)
AC AC
MA2S111 MA2S728
(Symbol: A) (Symbol: B)