![background image](http://html2.mh-extra.com/html/icom/ic-7600/ic-7600_service-manual_4139041111.webp)
10 - 4
*; Refer to “PARTS LIST.”
3.3
5.0
3.3
1.5
0.
1
C918
10K
R922
330
R936
10 EEE-S
C910
3.3K
R934
10 EEE-S
C913
MOD
1.5K
R923
0.
1
C919
2.2K
R935
10 EEE-S
C920
10 EEE-S
C921
1.5K
R932
10 EEE-S
C925
100
R949
0.
1
C922
100
R946
1.8K
R924
3.3K
R925
820P
C912
10K
R931
MAIN_AF
820P
C911
100
R947
10 EEE-S
C924
1.8K
R933
0.
1
C923
2.2K
R926
100
R948
820P
C915
820P
C914
NJM2058M
IC902
9
10
8
NJM2058M
IC902
13
12
14
NJM2058M
IC901
2
3
1
NJM2058M
I
C901
V+
4
GND
11
NJM2058M
IC902
V+
4
GND
11
2.2K
R927
2.2K
R928
330
R930
50FY-BMT-TB
J1001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
50FY-BMT-TB
J1101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
30FLT-SM2-TB
J801
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
30FLT-SM2-TB
J802
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
R920
4.7K
R918
NJM2058M
IC902
6
5
7
4.7K
R939
4.7K
R919
560
R937
4.7K
R940
8.2K
R912
4.7K
R943
8.2K
R911
4.7K
R916
120K
R914
NJM2058M
IC901
6
5
7
8.2K
R942
8.2K
R915
NJM2058M
IC902
2
3
1
10 EEE-S
C916
NJM2058M
IC901
13
12
14
0.0068
C906
180P
C909
10 EEE-S
C917
560
R941
150K
R938
10 EEE-S
C907
4.7K
R917
0.022
C908
560
R913
4.7K
R944
MIC
VOX
MAIN_RXDET
MAIN_RX
MA3J7420GL
D911
VDD3R3A
MA3J7420GL
D910
MA3J7420GL
D909
MA3J7420GL
D912
USB1_HP
USB1_5V
GND
USB1_HM
22K
R871
0.1
C877
RB081L
D871
BD9302FP
IC871
1
PGND1
2
COMP 1
3
FB1
4
RT
5
NC
6
SS1/SD
7
VCC
8
SS2/SD
9
NC
10
FB2
11
COMP 2
12
GND
13
PGND2
14
SW2L
15
SW 2
16
SW 2
17
BOOT2
18
PVCC
19
PVCC
20
PVCC
21
PVCC
22
BOOT1
23
SW 1
24
SW 1
25
SW1L
2590
MP871
1
2
3
4
0.1
C879
0.
1
C881
15K
R875
100P
C875
M PZ2012S331A
EP872
22
C883
33U
L873
0.1
C878
100P
C876
18K
R872
RB081L
D872
M PZ2012S331A
EP871
0.1
C880
MDAT
LTXD
LRXD
LG_RES
MMZ1608Y102BT
EP810
MMZ1608Y102BT
EP809
MMZ1608Y102BT
EP807
MMZ1608Y102BT
EP808
MPZ2012S331A
EP801
M PZ2012S331A
EP803
M PZ2012S331A
EP804
MPZ2012S331A
EP806
EP802
10
R1011
10
R1005
10
R1019
0.001
C1025
0.001
C1020
10
R1014
0.001
C1024
10
R1012
0.001
C1014
0.001
C1022
0.001
C1016
10
R1021
10
R1020
10
R1018
0.001
C1013
0.001
C1012
0.001
C1018
0.001
C1017
10
R1007
10
R1008
10
R1017
10
R1004
10
R1016
0.001
C1019
10
R1001
0.001
C1015
0.001
C1021
0.001
C1023
10
R1013
10
R1003
10
R1015
10
R1006
10
R1010
10
R1002
0.001
C1123
0.001
C1117
10
R1109
0.001
C1125
10
R1104
10
R1115
0.001
C1122
10
R1114
0.001
C1118
0.001
C1120
10
R1120
10
R1119
10
R1125
0.001
C1112
0.001
C1115
10
R1105
0.001
C1109
10
R1123
0.001
C1110
10
R1122
0.001
C1107
10
R1107
0.001
C1119
0.001
C1108
0.001
C1113
0.001
C1116
10
R1113
10
R1121
10
R1116
0.001
C1111
10
R1124
0.001
C1121
0.001
C1114
0.001
C1126
10
R1117
10
R1106
0.001
C1124
MA3J7420GL
D901
ALCL
MA3J7420GL
D907
IDL
MA3J7420GL
D904
VD L
MA3J7420GL
D906
REFL
MA3J7420GL
D905
MA3J7420GL
D903
FORL
THML
33U
L871
33U
L872
22
C863
33U
L851
MPZ2012S331A
EP852
100P
C856
2590
MP851
1
2
3
4
RB081L
D852
RB081L
D851
15K
R856
0.1
C858
0.
1
C861
33U
L853
33U
L852
100P
C855
BD9302FP
IC851
1
PGND1
2
COMP1
3
FB1
4
RT
5
NC
6
SS1/SD
7
VCC
8
SS2/SD
9
NC
10
FB2
11
COMP2
12
GND
13
PGND2
14
SW2L
15
SW 2
16
SW 2
17
BOOT2
18
PVCC
19
PVCC
20
PVCC
21
PVCC
22
BOOT1
23
SW 1
24
SW 1
25
SW1L
0.1
C860
0.1
C857
0.1
C859
MPZ2012S331A
EP851
5.6K
R851
5.6K
R852
M PZ2012S221A
EP1001
DO_R0
DO_R1
DO_G0
DO_G1
DO_G2
DO_G3
DO_G4
DO_G5
DO_B0
DO_B1
DO_B2
DO_B3
DO_B4
DO_B5
FP_DE
FP_VS
FP_HS
DO_CLK
DO_R2
DO_R3
DO_R4
DO_R5
DRESL
10
R823
10
R801
10
R802
10
R806
10
R803
10
R805
10
R804
10
R817
10
10
10
R819
R820
R821
10
R813
10
R822
10
R807
10
R815
10
R818
10
R808
10
R814
10
R812
10
R811
10
R816
10
R809
10
R810
8.2K
R906
NJM2058M
IC901
9
10
8
MOUT
6.8K
R908
4.7K
R904
4.7K
R903
10
R1138
10
R1137
10
R1130
10
R1135
10
R1129
10
R1131
10
R1128
10
R1132
10
R1133
10
R1126
10
R1127
10
R1136
10
R1134
10
R1143
10
R1148
10
R1142
10
R1144
10
R1141
10
R1145
10
R1146
10
R1139
10
R1140
10
R1147
10
R1112
10
R1110
10
R1111
10
R1102
10
R1103
10
R1101
10
R1024
10
R1023
10
R1025
10
R1022
10
R1026
10
R1027
MPZ1608S221A
EP1008
MCK
DRESH
DRESL
DRESD
FRWT
DSPCK
TXS
RXS
UPWS
USCK
DUL S
PWRS
DX1S
SHSK0
SHSK1
UNLKS
SCK
SDAT
SST1
SPS0
SST2
SSYNCIO
DFRS
DFXS
VBUS
MHSK 0
MHSK 1
SKYS
DSKY
DFX
DFR
DSPR
MSTB
ASTB
USQLS
SQLS
SQ S
EXRL2
EXRL1
TRAS
CTFL
TN D
RTD
NSQ
DX1
RSTB
PCK/CON0
PDAT/CON1
CON2
PSL
PST
UNLKA
UNLKB
10
R1028
THRI
IKEY#
SENI
RTKI
TRVI
ISTA
FSTB
MTXD1
CISEL
MRXD1
CI-V
START
KE Y
MPZ1608S221A
EP1002
MPZ1608S221A
EP1005
MPZ1608S221A
EP1006
MPZ1608S221A
EP1007
MA3J7420GL
D902
AVXL
+3R3V
VDD5
VDD3R3A
VDD3R3
VDD1R5
MMZ1608Y102BT
EP811
10
R1029
B8B-PH-SM4-TB
J901
1
2
3
4
5
6
7
8
9
10
VDD3R3A
0
R921
VDD3R3A
MPZ1608S221A
EP1009
CP10S
CP1101
0.001
C1106
0.001
C1105
0.001
C1104
0.001
C1103
0.001
C1102
0.001
C1101
0.001
C1009
0.001
C1010
0.001
C1011
0
R910
22K
R853
MPZ1608S221A
EP805
MPZ1608S221A
EP1003
MPZ1608S221A
EP1004
0.001
C1026
0.001
C1008
0.001
C1007
0.001
C1006
0.001
C1005
0.001
C1004
0.001
C1003
0.001
C1002
0.001
C801
0.001
C802
0.001
C803
0.001
C804
0.001
C805
0.001
C806
0.001
C807
0.001
C808
0.001
C809
VDD5A
USDA
0.001
C1027
1
C904
4.7K
R909
VDD5B
1K
R1009
10U
L803
10U
L801
MPZ2012S331A
EP814
MA3J7420GL
D913
10
C812
10
C810
10
C811
10
C865
10
C866
10
C864
10
C867
10
C885
10
C886
10
C884
10
C887
10
C869
10
C868
10
C870
10
C888
10
C891
10
C892
10
C889
10
C890
47 F93
C862
47 F93
C882
B3B-PH-SM4-TB
J1002
1
2
3
4
5
10
R1031
22
C893
22
C894
0
R953
0.01
C1031
ECH8301
Q1031
5
D
6
D
7
D
8
D
1
S
2
S
3
S
4
G
100K
R1032
82K
R1033
10K
R929
CF20
CP901
10
R1108
1K
R1118
100 F93
C143
100 F93
C66
MPZ2012S331A
EP874
M
PZ2012S331A
EP873
M
PZ2012S331A
EP853
M PZ2012S331A
EP854
10K
R858
10K
R857
10K
R876
10K
R877
0.0033
C874
0.0033
C873
0.0033
C853
0.0033
C854
33P
C851
33P
C852
33P
C872
33P
C871
100K
R873
4.7K
R881
27K
R874
4.7K
R882
100K
R855
82K
R854
4.7K
R861
4.7K
R862
10
C897
10
C898
10
C895
10
C896
MOUT
THML
F ORL
REFL
ALCL
IDL
VDL
AVXL
THM L
FORL
REFL
ALCL
IDL
VDL
AVXL
VDD3R3F
+14V_
+8V_
3R3C_
PWRS
VDD14V
VDD5VF
MSND
G_PWR
H14V
8V
BT3R0V
LOGIC-1
LOGIC-2
To MAIN UNIT
LOGIC-4
LOGIC-1
LOGIC-2
LOGIC-1
LOGIC-2
To DISPLAY BOARD
To DISPLAY BOARD
LOGIC-2
LOGIC UNIT (4/4)
REC_AF
AF_DET
MIC_REC
VOX
MSND
+14V
+8V
-12V
+3R3V
PWRS
RXPLAY
MICPLAY
MICREC
RXREC
RXPLAYE
MICPLAYE
MICRECE
RXRECE
3R3C
VDD3R3
3R3C
1R5V
THML
FORL
REFL
ALCL
IDL
VDL
AVXL
THRI
IKEY#
ISTA
FSTB
SENI
RTKI
TRVI
START
KEY
MTXD1
MRXD1
CISEL
C I-V
UNLKA
UNLKB
PCK
PDAT
CON2
PSL
PST
VOX
VOXE
AFDET
AFDETE
BT3R0
METV
METE
RSTB
MCK
MDAT
DRESH
DRESL
DRESD
FRWT
DSPCK
TXS
RXS
UPWS
USDA
USCK
VBUS
DULS
MHSK 0
MHSK 1
SKYS
DX1
NSQ
RTD
TND
CTFL
TRAS
EXRL1
EXRL2
SQ S
SQLS
USQL S
ASTB
MSTB
DSPR
DFR
DFX
DSKY
DX1S
SHSK1
UNLKS
SCK
SDAT
SST1
SPS0
SST2
SSYNCIO
DFRS
DFXS
SHSK0
YOBI
To MAIN UNIT
To MAIN UNIT
To MAIN UNIT
LOGIC-1
LOGIC-1
LOGIC-4
LOGIC-1
LOGIC-1
LOGIC-1
LOGIC-1
LOGIC-1
LOGIC UNIT (4/4)