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Icom IC-7800 - Page 521

Icom IC-7800
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9 - 2
Explanatory notes
TX LINE
VOLTAGE LINE
RX LINE
COMMON LINE
LINE
DATA BUS
IF
AMP
NJM5534
IC701
D/A
AD1855
IC551
DSP
TMS320C6713
IC1
AMP
NJM5534
IC301
LPF
NJM5534
IC341/IC371
LIMIT
AMP
IC230
A/D
AK5394
IC401
VCA
MICAMP
NJM2172
IC821
AF
AMP
VCA
(30MHz)
X151
CR-754
VCA
AF
AMP
TPA6111A2DGN
IC182
VCA
NJM2172
IC180
PWR
AMP
IC140
LA4485
MUTE
RL140
NA-12W
AT T
AMP
2SC4081
Q61/Q62
RL11
X1
CR-772
BPF
LPF
DSP
TMS320C6711C
IC601
BPF
HSB88WS
D101
A/D
AD7650AST
IC501
LO
AMP
2SC4673
Q101
AMP
IC404
AGC
AMP
IC405
NJM2904M
AGC
DET
D401/D402
MA2S111
AMP
2SC5551
Q2
LPF
IC403
AT T
HSB88WS
D4
AMP
2SK882
Q201
AT T
BPF
XTAL
FI201
FL-357
AMP
IC401
FIL
LOOP
2SK210
Q821
BUFF
2SC5226
Q843
BUFF
2SC4081
Q680
LPF
DDS
SC-1287
IC651
D/A
AMP
2SC5226
Q842
LPF
BUFF
2SC4081
Q841
1
2
BUFF
2SC4081
Q680
D/A
DDS
SC-1287
IC651
LPF
AGC
AMP
IC501
BUFF
NJM5534
IC701
A/D
AK5394
IC401
DSP
TMS320C6713
IC1
D/A
BU9480
IC771
IC1
2SK210
Q150
LPF
2SK210
Q220
VCO
SW
DTC114E
Q280-Q285
BUFF
2SC5226
Q352
D/A
BPF
CERAMIC
SFECV10.5MA5
FI101
PLL
IC
IC201
LMX2306TM
FIL
LOOP
AMP
3SK294
Q351
1
2
D/A
BUFF
2SC5226
Q301
BPF X4
2SC4215
Q702
1
2
AF
AMP
IC181
TC4W53
PWR
AMP
AT T
VCA
NJM2172
IC105
VCA
AMP
IC102
AMP
SQL
SW
2SJ144
Q100
SQL
SW
2SJ144
Q101
BUFF
2SC4406
Q701
BUFF
Q601
2SC4215
AMP
SN74LVC1G04DCK
IC602/IC603
AMP
2SC4081
Q151
AMP
2SC4081
Q152
AMP
TC7S04
IC102
AMP
TC7S04
IC104
2SK210
Q230
2SK210
Q240
2SK210
Q250
2SK210
Q260
2SK210
Q270
MUTE_
CTRL
Q364 DTA114E
Q363 DTC114E
AMP
Q591
2SC4673
BPF
AMP
TC7S04
IC502
AMP
2SK882
Q801
AT T
HSB88WS
D821
AT T
AMP
2SK882
Q831
AT T
AMP
TC7S04
IC652
AT T
AMP
2SK882
Q811
1
2
MUTE_
CTRL
Q833 DTC114E
Q832 2SB1123
MUTE_
CTRL
Q593 DTC114E
Q592 2SB1123
1
2
BUFF
2SC4081
Q21
RL10
FTR-B4CA012Z
FTR-B4CA012Z
BUFF
Q70
2SC4081
AMP
2SC4215
Q42
AMP
2SC4215
Q22
Q12/Q13
DTC114E
I/O
CTRL
PLL
IC
LMX2306
IC201
AMP
TC7S04
IC104
AMP
2SC4081
Q152
AMP
2SC4081
Q151
2SK210
Q150
FIL
LOOP
1/N
D/A
1/21
LPF D/A
FIL
LOOP
AMP
2SC4081
Q30
X4
2SC4215
Q702
AT T
LPF
HPF
AMP
TC7S04
IC652
FIL
LOOP
DDS
SC-1246A
IC101
AMP
2SC4081
Q30
DDS
SC-1246A
IC501
DDS
SC-1246A
IC101
AT T
AMP
2SK882
Q202
AT T
AMP
IC404
AMP
2SC4673
Q301
AMP
2SC4406
Q810
AMP
2SC4406
Q720
DDS
AD9857AST
IC820
AT T
HPFLPF
MUTE_
CTRL
DTC114E
Q872
AMP
IC501
AF
AMP
IC2
VCA
NJM2172
IC4
VCA
AF
AMP
BUFF
2SC4081
Q8
BUFF
2SC4081
Q9
Q6 2SD1619
Q5 DTA114E
SEND
-CTRL
RTTYKEY
2SC4081
Q4
SQLCTRL
DTC114TU
Q1
2SA1576
Q62
EXT
ALC-AMP
DCAMP
NJM2058
IC1
DCAMP
SWR
NJM2058
IC60
ALC
ID
DCAMP
NJM2058
IC61
DCAMP
D/A
AK4394
IC551
CLK_
AMP
IC452 SN74LVC1GU04DCKR
IC451 TC7S04
AFAMP
NJM2058
IC1
APC
POWSET
RL-CTRL
IC50 PS7122AL
Q50/Q51 DTC114TU
RL50 OMR-109F
AMP
D/A
M62352AGP
IC330/IC331
AF
AMP
CD74HC4094M
IC1
SERI/
PARA
CAL
AD5260BRU50
IC91
IC460
TC4W53
IC201
TC4W53
AF
AMP
IC821
NJM2172
AFAMP
IC490
TC4W53
RL141
NA-12W
1/4
AT T
AT T
AT T 1/4
DDS
SC-1246A
IC501
AMP
2SC5226
Q580
AT T
AMP
TC7S04
IC503
FIL
LOOP
2SK210
Q541
BUFF
2SC5226
Q561
AT T
AT T
BPF
FI831
FL-356
VCA
TC4W53
IC3
TC4W53
IC5
AMP
2SC5226
Q302
HPFLPF
LPF
1/400
VCA
IC210
NJM2172
LPF
NJM5534
IC801/IC831
AMP
NJM5534
IC871
LPF
NJM5534
IC601/IC651
AT T
IC602
TC7S08
1
2
HPFAT T
FILSEL
DTC114E
Q341/Q441
TC74HCT7007A
IC2
SERI/
PARA
HPF
LPF
IC803
TC74HCT7007A
LEVEL
CONV
LPF
IC31
LPF
D1/D2
CPH5513
PIN-ATT
AGC
AMP
Q1
2SC4081
BPF
AT T
AMP
TC7S04
IC102
BPF
CERAMIC
SFECV10.7MA5
FI101
FILSEL
DTC114E
Q341/Q441
AT T HPF
LPF
AMP
3SK294
Q351
BUFF
2SC5226
Q301
AMP
2SC5226
Q302
HPF
1
2
BUFF
2SC5226
Q352
LPF
MUTE_
CTRL
Q364 DTA114E
Q363 DTC114E
CD74HC4094M
IC1
SERI/
PA R A
TC74HCT7007A
IC2
SERI/
PA R A
FIL
LOOP
2SK210
Q270
2SK210
Q220
2SK210
Q230
2SK210
Q240
2SK210
Q250
2SK210
Q260
VCO
SW
DTC114E
Q280-Q285
AMP
TC7S04
IC503
AMP
TC7S04
IC502
2SK210
Q541
BUFF
2SC5226
Q561
AMP
2SC5226
Q580
AMP
Q591
2SC4673
Q593 DTC114E
Q592 2SB1123
MUTE-
CTRL
1
2
BPF
1
2
CLK_
AMP
IC452 SN74LVC1GU04DCKR
IC451 TC7S04
IC331
TC7W53
AMP
NJM5534
IC301
LPF
NJM5534
IC341/IC371
(30MHz)
X151
CR-754
LPF
NJM5534
IC601/IC651
BUFF
NJM5534
IC701
LPF
NJM5534
IC341/IC371
LPF
NJM5534
IC601/IC651
D/A
BU9480
AMP
IC501
DSP
TMS320C6713
IC1
IC331
TC7W53
AGC
AMP
IC771
IC501
D/A
AK4394
IC551
A/D
AK5394
IC401
(30MHz)
X151
CR-754
AMP
NJM5534
IC301
CLK_
AMP
IC452 SN74LVC1GU04DCKR
IC451 TC7S04
TC4W53
IC101
TC4W53
IC100
AMP
IC104
SW
Q52
2SC4081
SQLCTRL
DTC114TU
Q2
TRVCTRL
2SC4081
Q7
BUFF
IC495
SN74LVC1G08DCKR
BUFF
IC251/IC261/IC291/IC311
TD62783A
IC250/IC260/IC290/IC310
CD74HC4094M
SERI/
PARA
IC450
SI-3012KS
1.2V
REG
IC451
SI-3012KS
1.2V
REG
IC452
SI-3012KS
1.2V
REG
HEAT
SENS
R584
FUN
CTRL
IC491 NJM2058
Q490 DTC114E
Q491 2SB1132
IC550
TA79L05
-
5V
REG
MF1
A ACC(1)
B ACC(1)
MODVA
MODVB
L+
L
-
R+
R
-
INT SP
10MHz
10MHz
(10MHz OCXO)
Freq=10MHz
0
-
60dB
3dB
ATTV
f=200kHzfc=220kHz fc=64.455MHz
fc=45MHz
BW=1MHz
BW=6KHz
SCOPE IN/OUT
46MHz
Phase
44.8MHz
1/448
20.455MHz
LMX2306TM
44.8MHz
40MHz
detector
18.455MHz
-
40MHz
1/400
T3LO
(0.491MHz)
(100KHz)
MKRS
0.6MHz
MKR
TO MAIN UNIT
TX PART
DSP-TX BOARD
(TX IF36kHz OUT)
NSQA/VSQA(NOISE/VOICE SQL)
IFIN_A
(RX-A)
MCLK (12.288MHz)
DSP-A BOARD
40MHz
RX-A SIF IN
RX-B SIF IN
SCOPE UNIT
R1LO
Phase
4.0000000MHz
4.5MHz
4.0306875MHz
T2LO
109.455-124.455MHz
detector
79.455-86.454999MHz
1/21
10.4122038-10.4963312MHz
72.455-79.454999MHz
94.455-109.45499MHz
N=130-250
64MHz
86.455-94.454999MHz
1/N
11MHz
64.485-72.454999MHz
S1LO
79.555-86.554999MHz
64.585-72.554999MHz
72.555-79.554999MHz
REF I/O
LEVEL=-10dBm
EXT-REF IN
EXT-REF OUT
PLL-A UNIT
PLL-B UNIT
AGC DET
(RX-A)
AGC OUT
(RX-A)
(RX-A UNIT)
(RX-B UNIT)
PHONES
PMIX
PHML1
PHSL1
PHI(TO FRONT CPU)
AFGVM1
AFGVS1
MAIN SP OUT
SUB SP OUT
OSC UNIT
T1LO
RX-A
RX-B
MMUT
VA1S
-
6S
R2LO
T8V
R8V
94.555-109.55499MHz
109.555-124.555MHz
86.555-94.554999MHz
11MHz
N=130-250
10.5813219
-
10.7408384
detector
Phase
Phase
R=8
detector
1/R
4.0369375MHz
4.5MHz
64.591MHz
VA1S
-
6S
SAD(40MHz)
10MHz
DACK
10MHz
40MHz
SSA SSB
SMUT
DSP-B BOARD
MOD
MOD
B ACC(1)
A ACC(1)
AF
AF
SQLM
SQLS
SPON
ASND(FROM CPU)
SENI(TO CPU)
A ACC(1)
A ACC(2)
B ACC(2)
B ACC(1)
SEND
SEND
SEND
SEND
A ACC(1)
B ACC(1)
RTTY
RTTY
RTKI
A ACC(1)
B ACC(1)
SQLS
SQLS
SQLAM
SQLAS
ALC
A ACC(2)
A ACC(1)
B ACC(2)
B ACC(1)
ALC
ALC
A ACC(2)
B ACC(2)
BAND
BAND
BNDM
BNDS
B ACC(2)
A ACC(2)
TRV
TRV
TRVI
METER OUT
METM
METS
REFV
FORV
POCV
IDHV
IDLV
ALCL
ALC TO MAIN TX PART
IDL
(CW STASUS/VOX TO CPU)
RTDA(RTTY DEC)
/CAL
TNDA(FM TONE)
PALAREL OUT
SMET/RTTYM OUT
COMP METER OUT
CTFL/DVOX
/CAL
DSKY(CW/RTTY KEYING) FROMCPU
SUB AF
MAIN AF
VDL
HFS/50MS/AMS
KEY
KEY
EPAD
EXRL1
SEND RELAY
EXRL2
AAFVA(FROM CPU)
AAFVB(FROM CPU)
MICPLAY
UNLKA
(TO CPU)
(TO CPU)
UNLKA
UNLKS
(TO CPU)
UNLKB
(TO CPU)
UNLKB
(TO CPU)
SDAT/SCK/SST1/SPS0/SYNCIO/RESET
FROM CPU
SDAT/SCK/SST2
FROMCPU
REFOFF
REFON
OSS1/OSS2
MICREC
MCPS
PDTA/PCKA/PST1A/DRES/C2A1
PDTA/PCKA/PST2A
PDTA/PCKA/PST3A/DRES/C2A2
PDTA/PCKA/PST4A/DRES
STB1
-
4
STB1/CN21/CK/DATA/DRES
PDTB/PCKB/PST2B
PDTB/PCKB/PST3B/DRES/C2B2
DATA/CK/STB4/DRES
OCK/ODAT/OCS
COMMAND IN
DSPCK/DSPR/DX1A/DFRA/DFXA
COMMAND IN
DSPCK/DSPR/DX1T/DFRT/DFXT
DRESL
DRESL
SDXD/SFSR1/SFSX1/SDR1/CLKR1
/RESET
MMUT
SPDO(FROM LOGIC)
TX SCOPE
(MAIN UNIT)
(TX MONITOR)
MON
MONS
SPDI(TO LOGIC)
MAFS
(MIC AF)
AFO
SW
AFGVM2
AFGVS2
PHML2
PHSL2
40MHz
R=8
(TO CPU)
Phase
1/R
detector
UNLKA
64.000MHz
HYB
HYB
Cutoff CONTROL
Cutoff CONTROL
Cutoff CONTROL
64.491MHz
A_AFA
B_AFA
100kHz
MICV
ANTI VOX
ANVOX
TX36K
12.288MHz
MCLK_
VA1S
-
2S
PDTA/PCKA/PSLA/PSTA/C2M1/C2M2
DATA/CK/CN21
10MHz
IC801
(12.288MHz)
Cutoff CONTROL
MMUT
VA1S
-
2S
PDTA/PCKA/PSLA/PSTA/C2M1/C2M2
STB1
-
4 DATA/CK/CN21
64.591MHz
T8V
S2LO
VA1S
-
6S
VA1S
-
6S
L+
L
-
PALAREL OUT
MCLK (12.288MHz)
COMMAND IN
AGC DET
NSQA/VSQA(NOISE/VOICE SQL)
L+
SMET/RTTYM OUT
(RX-B)
/CAL
DSPCK/DSPR/DX1A/DFRA/DFXA
AGC OUT
RTDA(RTTY DEC)
TNDA(FM TONE)
L
-
(RX-B)
DRESL
IFIN_A
IFIN_B
CROSS
RXMREC
RXSREC
MBEEP
SBEEP
FRONT UNIT
MPHONE
SPHONE
(RX-B)
ALC
MUTEI
MEMORY KEYER
/VOICE RECORD
MUTE
ALC
S/P DIF
OUT
IN
MDAT/MCK/ASTB1/ASTB2
CONTROL
SIGNAL
MDAT/MCK/MSTB1/MSTB2
SWITCH
SIGNAL
D1R2V_A
D1R2V_B
D1R2V_T
+3R3V
-
5V
-
12V
CHASSIS
UNIT
UNIT
CHASSIS
MAIN UNIT
BUFF
2SC5226
Q303
BUFF
2SC5226
Q303

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