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9 - 1
SECTION 9
BLOCK DIAGRAM
IC571
µPC2713T
NB
GETE
GATE
CTRL
WAVE
CTRL
DRIVE
CTRL
NB
SW
NB
DET
WFM
DET
AGC
CTRL
IF AMP
R8V
AGC
ATT D572
ATT D572
TX TOTAL GAIN
R579 RV-143
XTAL
BPF
BPF
LPF
CERAMIC
BPF
IF
AMP
N DATA
N DATA
N DATA
XTAL
BPF
XTAL
BPF
XTAL
BPF
XTAL
BPF
RFGC
AFMS
WFAF
SSAF
AMAF
FMAF
MIC
VOXL
AVXL
CTCV
DASH
DOT
UL
DIMMER
CTRL
DATA
ALC
WCNT
Q573
2SC4081
Q572
2SC4081
DRIV
D561 MA862
D562 MA862
FI561
FL-23
9.0115 MHz
Q636
DTA114EE
UL
NBS
Q634 2SC4081
Q635 DTC114E
D632
1SS375
Q632
2SK882
IC631
LA1150N
GAIN
CONTROL
R623
RV-148
NOISE
AMP
NOISE
AMP
CERAMIC
BPF
NOISE
AMP
Q631
2SK1576
Q621
2SK882
FI611
SFECV10.7MA-5
FI601
SFECV10.7MA-5
IF
AMP
IF
AMP
Q611
2SC4081
Q601
2SC4081
10.7 MHz
69-71 MHz
D551
HSB88WS
ATT D522
ATT D521
ATT D522
ATT D521
FI511
FL-261
IC521
µPC1688
T8V
R8V
R8V
T8V
AGC
ALC
AGC
ALC
69.0115 MHz
XTAL
CTRL
BPF
70.7 MHz
ATT
3 dB
3 dB
3 dB
3 dB
3 dB
D271
HSB88WS
ATT
ATT
ATT
ATT
LPF
LPF
IC151
µPC1658G
IC281
µPC2709T
1LO
LO
AMP
PRE
AMP
PR1S
IC891B
NJM2902V
AF
AMP
R900
RV-150
DATA
OPT
UT-102
IC891A
NJM2902V
IC891C
NJM2902V
R896
EVN-D2AA03B25
3 kHz
LPF
LPF
LPF
LPF
BEEP
IC861
BU4052BCFV
MODE
SW
SQL
IC811D NJM2902V
IC811C NJM2902V
IC791
TA31136FN
IC811A
NJM2902V
CTCV
AM
DET
DE-
EMPH
FM
DET
FI791
SFPC455E
OVDV
IC981C
NJM2058M
IC1141B
BU4052BCFV
IC1141A
BU4052BCFV
IC981D
NJM2058M
9600 DATA OUT
9600 DATA IN
SW
SW
AMP
AMP
AMP
AMP
AMOD
COMPA-
RATOR
MIGV
COMS
IC931
µPC5023-077
BUFF
BUFF
BUFF
LIMIT
AMP
VCA
COMP GAIN
R945
EVN-D2AA03B25
AFO
Q961
2SC4081
ETON
TONE
PRE-
EMPH/
LIMIT
LPF
IC981A
NJM2058M
IC981B
NJM2058M
FM
AM
POCV
HFOR
VFOR
UFOR
HREF
VREF
UREF
ICH
ICL
KDS8
ALC
AMP
ALC
AMP
IC1091B
NJM2902V
IC1091A
NJM2902V
Q1131
2SA1576
Q1092
2S4081
ALC
EALC
ALCL
LEVEL
SHIFT
WAVE
FORM
CW/RTTY
IC1041
NJM1496V
AMS8
T8V
AM
CARR
CTRL
Q1011 2SK210
D1012 MA357
D1013 1SS375
D1014 1SS375
Q1013
2SC4081
BUFF
BUFF
BUFF
BUFF
BUFF
N DATA
LOOP
FILTER
PD
1/N
1/R
BFO
IC2001
HD64F3337Y
X2161
CR-636
(14.7456 MHz)
IC2121
X25650S8I-2.5
IC2201
M62352GP
MAIN
CPU
AGFS
HV
IC2161
S-80942ANMP-DD6
IC2131 TC4S81F
Q2131 DTC114EE
D2133 DAN222
IC2221 BU4094BCFV
IC2222 BU4094BCFV
IC2231 TC74HC4094AF
IC2232 BU4094BCFV
IC351
TD62783AFN
IC2241
TD62783AF
Q2221 UMC3N
Q2222 UMC3N
Q2223 UMC3N
Q2224 UMC3N
Q2225 UMC3N
IC2122B TC7W04FU
IC2122C TC7W04FU
Q2171 2SA1576
Q2172 2SC4081
DATA
N DATA
RESET
RESET
TUNER
CTRL
DRIVER
DRIVER
D/A
CI-V
I/F
EEP
ROM
EXPAND
KDS
DRES
8V
+5
REG
LCD
DRIVER
LCD
KEY
LIGHT
KEY
MAIN DIAL
SUB DIAL
SHFT
AF
RF/SOL
VR BOARD
BACK
LIGHT
PTT
IC4
S-80945ALMP
IC5 S81250PG-PD
Q10 2SC4081 R
Q11 SSB1143 S
D9 MA2S111
X1
MA-406
(9.8304 MHz)
EEPROM
LED
LED
DRIVER
PTT
DRIVER
Q8 XP4111
Q12 XP4111
Q15 DTA114EE
Q4 2SD1619 T
Q9 DTA114EE
Q2 2SB1132 R
Q3 2SC4081 R
DS5 D2264
TX
RX
COMMON
DATA BUS
IC201 M5282
AAF
AFGC
AFO
(FRONT PHONE)
IC231
LA4425A
RL231 SY-12-K
Q232 DTC114EU
SPS
AF
AMP
VCA
8V
5V
H5V
14V
HV
+8
REG
+5
REG
+5
REG
IC291
TA7805F
IC271
TA78L05F
IC281
TA7808S
3 kHz
D761
1SS375
IC841
TA4101F
IF
AMP
IF
AMP
Q751
2SC4081
Q741
2SK882
Q731
3SK126
Q721
2SC4081
AGC
DET
AGC
AMP
AGC
RFG
CTRL
DELAY
CTRL
Q776 2SC4081
Q777 2SA1576
Q771 2SC4081
D771 1SS375
Q772 UMC1N
Q773 UMC1N
D772
MA2S111
SML
Q774
2SC4081
METER
AMP
BFO
D1131 MA8036 L
D1132 DAP222
SSB/AM
IC1011
LC7153M
RX TOTAL GAIN
R741 RV-148
FM
FI671
FL-272
FI681
FL-94
SSB/CW/RTTY
AM/FM-N
OPTION
FILTER-1
OPTION
FILTER-2
0.1-2 MHz
30-40 MHz
HPF BOARD
HFP
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
HPF
FAN
CTRL
LPF
HFP
HFP
HFP
HFP
HFP
LPF
LPF
HFP
LPF
BPF
HFP
PRE
AMP
RF
AMP
RF
AMP
Q191
2SK2171 4
40 MHz
2-4 MHz
4-8 MHz
8-15 MHz
15-22 MHz
22-30 MHz
40-60 MHz (PREAMP ON)
40-60 MHz (TX or RX/PREAMP OFF)
144 MHz
440 MHz
IC222
TA4002F
IC221
TA4001F
FI371 FI372 FI373
LFSC25N12B 0440B
VURX
ATT
ATT
HPF
HPF
1.6 MHz
1.6 MHz
20 dB
3 dB
10 dB Q111 DTC114EE
Q112 DTC114EE
Q121 DTC114EE
Q122 DTA114EE
60 MHz
YGC
AMP
PRE
DRIVE
PRE
DRIVE
DRIVE
AMP
DRIVE
AMP
PWR
AMP
PWR
AMP
BIAS
BIAS
BIAS
BIAS
Q9
2SC4213 B
RL1
AG201344
RF
SW
ANT
SW
Q101
2SK2854
Q121
MXR9745RT1
HF/ 50 MHz
144/440 MHz
DRIVER (b)
Q211
MRF1508
Q231
SRFJ7044
TX/RX
SW
TX/RX
SW
PWR
DET
D261 MI407
D291 UM9401F
D292 UM9401F
D293 1SS355
D311 UM9401F
D341 UM9401F
D342 UM9401F
D343 1SS355
D344 UM9401F
Q301 DTC114EU
Q351 DTC114EU
D262 MA742
D263 MA742
D171 DAN202U
D172DAN202U
VFOR
UFOR
D312 MA742
D313 MA742
440 MHz
144 MHz
440 MHz
ATT
D401 1SV308
D402 1SV308
D451 1SV308
D452 1SV308
ATT
BPF
BPF
D406 MA2SV05
D407 MA357
D410 MA2SV05
D454 1SV305
D456 1SV305
Q402 DTC114EU
Q403 3SK291
D403 MA2SV05
D408 MA357
D409 MA2SV05
Q452 DTC114EU
Q453 3SK291
D453 1SV305
D455 1SV305
D573 DAN202U
D574 MA8056 M
D575 DAN202U
Q571 2SB1132 R
Q572 2SC4081 R
RL591 JV-12-KT
Q591 DTC114EE
14V
HV
F591
FGB 4A
from PS
SP
FAN
ANT2
144/
440 MHz
ANT1
HF/
50 MHz
PWR
/SWR
DET
D9 1SS375
D10 1SS375
BUFF
BUFF
HFOR
HREF
IC1B
NJM2904M
IC1A
NJM2904M
LPF
HPF
HPF
HPF
AMP
HPF
HPF
HPF
ATT
FREQ: (DISP, FREQ) + (69.0115 MHz)
RX FREQ=0.03-29.999999 MHz
RX FREQ=30-59.999999 MHz
RX FREQ=60-128.999999 MHz
RX FREQ=129-143.999999 MHz
RX FREQ=148.000001
-199.999999 MHz
RX FREQ=144-148 MHz
RX FREQ=400-470 MHz
Q141 DTA114EU
Q142 DTA114EU
Q143 DTA114EU
Q144 DTA114EU
Q145 DTA114EU
Q851 DTA114EU
LPF
LPF
LPF
LPF
LPF
LPF
FIL
SELECT
×
2
D531
MA717WK
IC541
µ
PC2710
8V
MLLV
Q362
2SC4116
Q391
2SC4116
Q491
2SK880
RIPPLE
FIL
RIPPLE
FIL
BUFF
P/D
1/N
DIV
1/R
DIV
ATT
ATT
Q21
2SC4081
AMP
AMP
AMP
AMP
AMP
Q1 2SK210
D1 MA357
LOOP
FIL
P/D
D/A
DDS
CERAMIC
BPF
IC101
SC-1246
Q71
2SC4081
FI71
SFECV10.5MA-5
Q931 2SC4081
D931 MA2S111
FSKK
LEVEL
CONV
Q941
2SC4403
Q161
2SC4403
IC901
SC-1287
BFO
LPF
HPF
D/A
2LO
(60.000000 MHz)
(30.000000 MHz)
(30.000000 MHz)
BPF
LPF
×
2
Q681
2SC4403
Q661
2SC4403
BUFF
Q621 2SC4403
D601 MA357
R602 RV-150
X621
CR-275A
OPT
CR-282
UL
Q261 DTC114EE
Q461 DTA144EU
D261 DAN222
LEVEL
CONV
UN-LOCK
UN-LOCK
Q51
2SC4081
VCO3
VCO2
VCO1
Q361 2SK508
Q381 2SC4213
D361 1SV304
Q331 2SK508
Q351 2SC4213
Q352 DTA144EU
D331 KV1470
Q301 2SK508
Q321 2SC4213
Q322 DTA144EU
D301 KV1470
AMP
Q10
2SC4405
IC3
BU4030BG
ATT
3 dB
IC971
TC4W53FU
5.006 kHz
WAVE
FORM
CTRL
DISPLAY BOARD
FRONT UNIT
OPT
UT-106
MAIN UNIT
FILTER UNIT
PA UNIT
CHASSIS
UNIT
DRIVER (a)
Q161
MRF1508
144 MHz
0.03-2.0 MHz
2.0-4.0 MHz
4.0-8.0 MHz
8.0-15.0 MHz
15.0-22.0 MHz
22.0-30.0 MHz
30.0-60.0 MHz
PLL UNIT
2LO
IC231
µPC2709T
ATT
HPF
HPAO
Q171
SRFJ7044
Q172
SRFJ7044
PRE
AMP
PRE
AMP
LPF
PWR
DET
IC461
LMX2306
DDS
CERAMIC
BPF
250 MHz
AGC
IC811B
NJM2902V
IC1091C
NJM2902V
IC1091D
NJM2902V
Q1041
DTC114EE
9.0115 MHz
IC2
SED1522F0
Q14 2SC4081 R
Q13 2SC1132 R
DS4
KEY
DIMMER
CTRL
IC1
HD6433834H
SUB
CPU
IC6
X24C0IS-2.7-T
IC2202
NJM2902V
IC2202
NJM2902V
AMP
APC
AMP
APC
AMP
ALC
AMP
SECTION 9
BLOCK DIAGRAM
9 - 1
Содержание IC-706MKIIG
Страница 1: ...SERVICE MANUAL HF VHF UHF ALL MODE TRANSCEIVER i706MK G ...
Страница 58: ... HPF BOARD BOTTOM VIEW DRIVER BOARD BOTTOM VIEW 8 6 ...
Страница 60: ... PA UNIT BOTTOM VIEW 8 8 ...
Страница 62: ...1 8 16 9 PLL UNIT BOTTOM VIEW 8 10 ...
Страница 64: ... FILTER BOARD BOTTOM VIEW 8 12 ...
Страница 85: ...6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5564HI S C 1999 by Icom Inc ...