Icom IC-7600 Service Manual page 105

SECTION 9. BLOCK DIAGRAM
BLOCK DIAGRAM (1/3)
FI6001
FL-426
D1706
D1705
XTAL
TR_IF
BPF
3K
D601
MCF-N
IFN COMB
BOARD
FI5001
FL-425
D1704
D1703
XTAL
BPF
6K
SCOPE_IFIN
MCF-M
IFM
BOARD
Q1551
2SK882
IF
AM P
FI7001 FL-424
D1702
D1701
XTAL
ALC
BPF
15K
MCF-W
IFW
BOARD
CP2
SEND
IC301/IC303/IC305
MCK B0-B10/B10W/B10TX
AT6/AT12
MDAT PR1S/PR2S/POFF
EXPANDER
TRVS
RSTB
IFW/IFM/IFN
CD74HC4094
491kHz
ATT
T3LO
R8V
IC701
Q702
Q701 SC-1287A
AM P DDS D/A BPF AMP ATT
KTC4075 KTC4075
R8V
AMP ATT
Q801
KTC3880S
Q61
X2 BPF ATT
KTC3770C
IC101 FI101
Q152 AD9951YSVZ SFECV10.5MA5 Q151
Q151
CERAMIC
AM P DDS LPF AM P LPF
BPF
2SC3357 KTC4075
UNLKA
LEVEL IC102
CONV SN74AHC244
5V->3.3V
IC2T C74HCT700 7
LEVEL
PDAT/PCK/PSL/PST
CONV
3.3V->5V
VA1S/VA2S/VA3S/VA4S/MUTA
EXPANDER
Q452
IC3/IC4 Q451
TC74HC4094 LOOP
BUFF
FIL
2SK210
KTC4075
Q403
AM P
AM P
DD S
Q402
KTC4075 KTC4075
IC403
SC-1246A
FRQV
VB1S/VB2S/VB3S/VB4S/MUTB
Q51
CERAMIC
BUFF LPF D/A AM P
BPF
X51
KTC3880S FI401 IC402
CR-770B
32MHz IC192 SFECV10.5MA5S TC7S04F
TC7S08
MARKER
SN74AHC1Q08DCK3
MKRS
RF UNIT
D1201,1203,1204
1SV263
Q1208 CPH5513x2
IF
PIN
AM P
ATT
Q1203~1206 2SK1740x4
2SC3357
BLAV
Q1209
2SC5551
BUFF BLBV
D1001~1003
1SV263
Q1008 CPH5513x2 Q1003-1006
2SK1740x4
IF PIN
AM P ATT
IC130
Q2001
IF 2SC3357
T8/R8
AM P
2SK1740
D1451
LPF
HSB88WS
Q161 KRC402
ATT
RL-CTRL EXRL1
RL151 SW12
Q162 KRC402
D1551
ATT
P-MOS
EXRL2
CTRL
IC161 PS7122
R8V
D821 FI831
HSB88WS
XTAL
ATT AM P ATT R2LO
BPF
64.491MHz
Q831
FL-356 2SK882
Q87
AMP BPF ATT 64M
KTC3880S
T8V T8V
AM P BPF ATT T2LO
64.0MHz
Q71
D81
KTC3880S
IC381 Q301 IC320
BGA616
ADF4116BRUZ 64.485- KTC3770C
72.454999MHz
PLL LOOP Q220
BPF AM P
BUFF
IC FIL
2SK508
Q271
Q220
72.455-
VA1S
84.454999MHz
Q202/Q222/Q252/Q272
2SK508
Q251 3SK294
Q220 VCO
VA1S/VA2S/VA3S/VA4S
84.455- SW
109.454999MHz
2SK508 KTC2875
Q221
Q220
109.455-
124.455MHz
2SK508
Q201
IC681
Q601
ADF4116BRUZ IC620
KTC3770U
64.485-
BGA616
72.454999MHz
PLL LOOP Q220
BPF AM P
BUFF
IC FIL
2SK508
Q571
Q220
72.455-
84.454999MHz VB1S
2SK508 Q502/Q522/Q552/Q572
UNLKB
Q551
VCO
Q220
VB1S/VB2S/VB3S/VB4S
84.455-
SW
109.454999MHz
2SK508 KTC2875
Q521
Q220
109.455-
124.455MHz
2SK508
Q501
9 - 1
MARKER
D802
Q1201 Q4201/Q4202
LPF
L904
Q1202 Fc=60MHz
D8
D8
L905
PRE
RF AM P
LPF
AM P
SPLIT
BPF BOARD
2SC5551
2SK1740x2
D3201
PR1S
BPF
Q1001
Q4302
Q1002 Fc=60MHz
D9
D9
PRE
RF AM P D3301
LPF
AM P
BPF
2SC5551
2SK1740x2
PR2S
D3401
D9 D9
BPF
POFFS
D3501
PREAMP
BPF
BOARD
Q1101 D3601
BPF
LO
ATT LPF
AMP
2SC3357
IC1401
D502
D1401 BPF
RF
LPF ATT
AMP
UPC2708T D552
BPF
Q1301
LO
LPF
AMP D603
BPF
2SC3357
D652
BPF
3R3V 1R8V
D752
BPF
+3.3V +1.8V
+5V
REG REG
D702
IC103 IC104
BPF
UPD120N33T UPD120N33T
+5
D852
+8V +5VR
REG
BPF
IC1 1Lo
TA78L05F 64.485-124.455MHz
D361
1SV307x2
D362
Q361 KRC402
LPF BPF ATT
MUTE
VA1S MUTA
14V
D661
1SV307x2
D662
Q661 KRC402
FANV
LPF BPF ATT
MUTE
VB1S MUT B
PLL UNIT
CHASSIS
ANTENNA
X-VERT
0.03-
D801
1.599999MHz B0
RL101
12dB 6dB
HPF SIP-1A-12V
D9
ATT ATT
D3202
1.6- S22 S22
B1
1.999999MHz
RL103 SW12 Q103
SW12
RL102
D3302
AT12
D9 AT6 CTRL
(RMUT)
2.0-
B2 2.999999MHz
KTC4075
D3402
TRVS
3.0- IC201
3.999999MHz
B3 YGR
ATT LPF
AMP
D3502
4.0- BGA616
5.999999MHz
B4
D3602
6.0-
7.999999MHz
B5 Q1
PRE
ATT
DRIVE
D501
8-
10.999999MHz RD06HVF1
B6
D551
11 -
14.999999MHz Q2 Q3
B7
PRE
LPF
DRIVE
D602
15 -
21.999999MHz RD15HVFx2
B8
D651
R85
22 - Q4 Q5
29.999999MHz RD100HHF1 x2
HEAT
B9 PWR
SENS
AM P
D751
SIP-1A-12V
THM L
50-54MHz(RX)
B10
IDL
D701
30 -
49.999999MHz
54.000001-
B10W 59.999999MHz
IDH
D851
50-54MHz(TX) RL1
B10TX S9
F1
HV 14V
SW12
PWRS
PA UNIT IC1 BA033
+3R3V
H3R3V
REG
IC3
1.8MHz
+8 RL402 RL401
+8V
REG
LPF
SW12
SW12
KIA7808
LPF1
3.5M/3.8M/4.63MHz
IC2 RL352 RL351
LPF
+5
+5V SW12
SW12
REG
LPF2
KIA7805 5M/7MHz
RL252 RL251
LPF
SW12 SW12
LPF3
10M/14MHz
FAN RL152 RL151
CTRL
LPF
SW12
SW12
IC101 LM2904
Q101 2SB1201
LPF4
Q1022 SC4081 18M/21MHz
LPF5
RL302 RL301
LPF
SW12 SW12
LPF6
24M/28MHz
RL202 RL201
MF 1
LPF
SW12 SW12
LPF7
50MHz
RL102 RL101
LPF
SW12 SW12
FBA08A12H
LPF8
FILTER UNIT
HF/50M ANT
RX ANT
IN OU T ANT1 ANT2
RL104 RL105
D101
RANS
REV
PWR
DET
MA74 2
RL101
D301/D302 D81
HSM88AS
ANTS
CRNT
DET
TUNER
RL105
UNIT
TUNER_
NET
LPF
RL103
RL104
S8 Q 131 2SB1123
Q132 2SD1619
T/R
CTRL
R8V
Q202 KRA302E
Q203 KRC402
T8V CTRL
D41/D42 HSM88AS
HSM88AS
IC51
RESIST
AMP
DET
NJM4558M
IC1
D21/D122 HSM88AS
IC51
PHASE TUNER_
AMP
IKEY
DET
CPU
ISTA
NJM4558M
IC201
IC21 TC74AC04F R5F212A7SNFP
IC22 TC74ACT32F X1 (SX-3073B-1)
IC23 TC74AC112T
D 1/D2 HSM88AS
X201
IC1
CR-520(19.6608MHz)
SW R
AMP
DET
NJM4558M
FORV
REFV
+5
14V +5VR
REG
IC204
TA7805F
IC261
LPF1
LPF2 MC K
LPF3
LPF4 MDAT
EXPANDER
LPF5
LPF6 FSTB
LPF7
LPF8
CD74HC4094
CTRL UNIT