Semiconductor Information; Block Diagram - Icom IC-2200H Service Manual

14-2 SEMICONDUCTOR INFORMATION

• TRANSISTORS AND FET'S
2SA1586 GR DTC144EUA T106 XP4312
(Symbol: SG) (Symbol: 26_) (Symbol: 7T)
B
B
C
C
E
E
• DIODES
MA2S111 MA2S728
(Symbol: A) (Symbol: B)
A C A C
E1 C1
B1 B2
C2 E2
14 - 2

14-3 BLOCK DIAGRAM

Explanatory notes
VOLTAGE LINE
TX LINE
RX LINE
LINE
DATA BUS LINE
X201
CR-760
CPU
2.4576MHz
9.8304MHz
IC204
HD64F3687
IC101
TC7SHU04
IC151
16.384MHz
DSP
AMBE-2020
INV
CODEC
X101
CR-708
LINEAR
CODEC
IC50
AD73311
5V
3.3V
Q400 2SA1586
Q401 DTC144
+3V
3.3V
CTRL
PSAVE
3.2V
FOR FM_TRANCEVER
OPTION CONNECTOR
FLASH WRITER F_RXD
RES
TXD
Q305 XP4312
Q306 XP4312
LEVEL FOR FM_TRANCEVER CPU
TXD_2
CONVERT
RXD_2
IC351
MAX3226
RS-232C_DATA
232_RX
RS-232C 232_TX
IC253A
NJM13404
REFMOD
BUFF
IC253B
NJM13404
BUFF DMOD
IC252
CMX589AD5
MODEM
IC251A
NJM2115
BUFF FMDET
RESET
IC203
S-80928CNMC
DAFOUT
IC251B
NJM2115
AMODIN
BUFF
Q50 2SA1586
Q51 DTC144
+5V
CTRL
PSAVE
IC1
S-812C33AMC
3.3V 3.3V
5V
REG
IC2
R1111N321B
3.2V
VCC: 4.5-8.5V
REG
J301
APWR