Block Diagram - Icom IC-GM1600E Service Manual

SECTION 10

BLOCK DIAGRAM

VOLIN
VOLO
GND
BATT
VR BOARD
POWER SW
VCC
VCC
MIC
Q431: 2SB1132
Q432: XP6501
DS655: Q655:
PWR
FRDG1211F XP1213
CTRL
TLED
TX/RX
DRIVER
RLED
LIGHT
IC421
TA7368F
S5V
PWR
EXT JACK
AMP
Q652: DTC144TU
AFOUT D602: DA221
EXDET
EXTMIC
SPG
EXDET
CHASSIS
INTSP
AF ISPMS
MUTE
Q462:
Q441: 2SC4116
UNR9111J
Q442, Q443: RSR025N03
Q444: UNR9213J
EXT
MIC
MIC SW
Q461: UNR9111J
PTTIN
INT
MIC SW
PTT
IC682A:
TC4W66FU
AF
MUTE
IC682B:
TC4W66FU
AF
MUTE
PTTM
VOXM
10 - 1
V5V RIPPLE
FIL
Q47: XP6501
LOINV
BUFF
Q3: 2SK880
DTCON
15.3 MHz LOOP
REF
FRCON FIL
X1: CR-783
Q221: IC1:
2SC4116 MB15A02PFV
PLL
X2
IC
Q411:
2SC4213
AF
MUTE X231:
30.6 MHz CDBC450CX24
BPF
AFMS
DET
SQCON
W/NS
D232:
DAN222
W/N
SW
VCC
AFVS
T1CON
T2CON
T3CON
T4CON
DE- MOCON
ENPHA
D/A
IC251:
BEEPO M12363FD-650C
D/A control BUS
BUFF
MODIN
ERXDI
ETXDO
CTFIS
IC261C: IC282: IC281A:
NJM12902V TC4W53FU TC4W66FU
WDECV
ANALOG AF
LPF
SW MUTE
IC261D:
NJM12902V DETMS
LPF
BEEPO
EXPTT
IC261A: IC683
NJM12902V TC75S01F
VOX VOXT
VOX
AMP
IC261B: Q653: XP1213
Q654: UNR9213J
NJM12902V
PRE- MIC GAIN
ENPHA AMP CTRL
VCO
Q61: 2SC4215 Q62: 2SC4215
Q41: 2SC4226
D31-34: HVC350B
BUFF BUFF
VCOS
D39:
1SV245
Q51: Q71: 2SC4215
2SC4226
FM VCO
BUFF
MOD SW
D35-38:
HVC350B
Q81: XP1214
Q82: UNR9113J
LPF
PLL DATA BUS
Q232: 2SC5107
Q231: UNR9213J
Q324: XP1213
SQLT
W/N
SW
W/NS
Q211:
RSSIV FI211: FL-377 Q191:
2SC4215
3SK299
IF
BPF
FM IF IC AMP
31.05 MHz
NOISV
IC231:
TA31136FN
D231: FI231:
DAN222 CFWM450E
CERAMIC
W/N
BPF
SW
FI232:
CFWM450G
CERAMIC
BPF
Q501:
UNR9213J
W/N
SW
IC491A:
NJM2904V
LIMIT
LPF
AMP
IC491B:
NJM2904V
LPF
AF
MUTE
IC481A:
TC4W66FU
MICMS
Q91: Q101: Q111:
D91, D92: MA77 2SC5110 RD01MUS1 RD07MVS1
PRE
TX/RX PWR
BUFF
DRIVE
SW AMP
IC141:
TA75S01F
T1CON APC
ATT
CTRL
Q141:
UNR9113J
TXMS
MUTE
SW
D182: D181: Q165: D155: D154:
HVC350B HVC350B HVC350B HVC350B
3SK294
RF
BPF BPF BPF BPF
AMP
T4CON T3CON T2CON
Q322: 2SA1588
R5V R5V
R5VS
REG
X601: D601:
CR-747 MA2S077
Q323: 2SA1588
T5V
T5V SHIFT
T5VS
REG SW
9.8304 MHz
Q321: 2SA1588
V5V IC581: S-80942CNMC
V5V
V5VS
REG
RESET
Q561: 2SA1588 IC551:
NJM2870
S5V S5V
S5VS CPU
REG
5V
VCC
Q551: 2SB1132 IC591: BR24L32FV-W
Q552: XP6501
Q553: UNR9213J
EEPROM
CPU5V
M5V
M5V M5VS
REG
ATIS
MIC 1, 2, 3
ANTENNA
146-174 MHz
D132:
1SS375
PWR TDETV
DET
D131, D151: 1SV307
D152: MA2S077
ANT
LPF
SW
MAIN UNIT
BTYPE W/NS
EXDET LDTFS
WDECV BEEP
ISPMS
T1CON
RSSIV AFVS
NOISV AFMS
LOINV
TEMPV MICMS
BATTV ETXDO
PTTIN ERXDI
EXPTT SQLT
LCD
CSIFT
IC661:
EP682:
UPC78F0338GC
CV1083
DS653, DS654, DS656,
DS657, DS658, DS659:
SML-311YT
CPU
BACK
LIGHT
Q651: XP1213
DRIVER
KEY
NOTES :
Contorol line
Common line
TX line
RX line
DATA lime