![background image](http://html2.mh-extra.com/html/icom/ic-7600/ic-7600_service-manual_4139041128.webp)
10 - 21
*; Refer to “PARTS LIST.”
4.8
0.0
7.8
0.0
11.3
4.9
13.7
3.3
3.3
㨂
4.5Vp-p
50.8ns
13.2
1SS319
D242
1
2
3
4
B10B-ZR-SM4-TF
J241
1
2
3
4
5
6
7
8
9
10
11
12
KRC402
Q245
330
R241
KRC402
Q244
1SS319
D244
1
2
3
4
330
R247
KRC402
Q248
330
R244
KRC402
Q246
33
0
R243
KRC402
Q241
330
R248
KRC402
Q243
KRC402
Q247
1SS319
D241
1
2
3
4
KRC402
Q242
330
R246
330
R242
1SS319
D243
1
2
3
4
100U
L240
330
R245
CP275
CP10S
10 EEE-S
C261
10
R275
0.01
C268
0.01
C273
CP265
CP10S
CP266
CP10S
0.01
C274
470
R265
CP263
CP10S
220
R293
MPZ2012S331A
EP269
10
R273
1K
R272
CP261
CP10S
0.01
C270
CP272
CP10S
220
R264
CP280
CP10S
0.01
C281
CP271
CP10S
0.01
C271
1K
R277
220
R263
0.01
C272
KRC402
Q261
100U
L262
10
R268
CP278
CP10S
CP262
CP10S
10
R267
CP274
CP10S
10FMN-BMTTR-A-TBT
J261
1
2
3
4
5
6
7
8
9
10
CP281
CP10S
M PZ2012S331A
EP270
0.01
C267
0.01
C282
10
R266
M PZ2012S331A
EP264
10
R269
0.01
C262
CP279
CP10S
CP268
CP10S
CP277
CP10S
CP270
CP10S
MPZ2012S331A
EP265
CP264
CP10S
220
R270
CP273
CP10S
M PZ2012S331A
EP263
24FMN-BMTTR-A-TBT
J262
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
MPZ1608S221A
EP267
CP276
CP10S
10
R276
MPZ2012S331A
EP268
CD74HC4094M
IC261
1
STROBE
2
DATA
3
CP
4
Q0
5
Q1
6
Q2
7
Q3
8
GND
9
QS1
10
QS2
11
Q7
12
Q6
13
Q5
14
Q4
15
OE
16
VCC
10
R274
220
R271
CP269
CP10S
0.01
C269
0.01
C266
10K
R282
0.01
C203
1K
R230
0.01
C201
10K
R226
KRA302E
Q202
1M
R222
0
R229
0.01
C212
0.
1
C205
0
R213
BR24L32FV
IC202
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
47K
R207
10K
R224
4.7K
R216
47K
R231
0.
1
C221
0.01
C215
0.01
C202
KRC402
Q249
SN74AHCT1G86DCK
IC251
1
2
3
4
5
0
R214
0
R217
CP207
CP10S
12P
C210
KRC402
Q203
100U
L202
0
R215
22K
R223
0.1
C208
KRC402
Q263
0
R211
0.01
C204
C223
0.1
0.
1
C251
12P
C211
100K
R218
CR-520
X201
KDS4148U
D202
TA7805F
IC204
I
O
G
470 EEE-S
C207
18K
R220
0.01
C206
5.6K
R219
0.
1
C209
0.
1
C222
S-80851CNMC
IC203
1
OUT
2
VDD
3
VSS
4
NC
5
NC
1.8K
R221
1 EEE-
S
C248
1 EEE-
S
C244
1 EEE-
S
C243
1 EEE-
S
C247
1 EEE-
S
C241
1 EEE-
S
C242
1 EEE-
S
C246
1 EEE-
S
C245
100U
L261
100K
R261
1K
R291
10U
L291
1K
R292
B4B-PH-SM4-TB
J291
1
2
3
4
5
6
100U
L251
CI1_
CI2_
CI3_
CO1_
CO2_
CO3_
NVHF_
L3R5M_
L5M _
L7M _
L10M_
L14M_
L18M_
L24M_
VHF_
TRC
THRU
5V
-12V_
R8V_
14V
FORV_
REFV_
ANTI
FOR_
REF_
R_
P_
ANTS_
1R5V_
KRC402
Q264
4.7K
R227
10K
R228
CF20
CP201
10U
L201
10
C283
10
C284
470 EEE-S
C213
15
R232
R5F212A7SNFP(SX-3073B-1)
IC201
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PZ
REFV
R8V
ISET_
3R3V
1R5V
CMDT
THRI
T8V
ANTS
FORV
FSTB
CMCK
L3R5M_
CI2_
CI1_
RXENB
NEWNET
CI3_
ISTA
BAND
IKEY
L10M_
STOK
L7M _
L24M_
W
IDE
CO3_
CO1_
TRC
VHF_
NVHF_
L14M_
L
18M_
L5M _
CO2_
RSV2
PY
PX
RZ
RX
RW
PW_
PX_
PY_
PZ
_
RW_
RX
_
RY
_
RZ
_
PZ_
PY_
PX_
PW _
RZ_
RY_
RX_
RW_
DRESL
IKEY_
ISTA_
T8V_
FOR_
FOR_
REF_
REF_
R_
R_
P_
P_
T14V
T14V
RESET
M ODE
5V_
MODE
MODE
CI1_
CI2_
CI3_
CO1_
CO2_
CO3_
NVHF_
FOR_
REF_
R_
P_
L3R5M_
L5M_
L7M_
L10M_
L14M_
L18M_
L24M_
VHF_
SETI_
-12V_
R8V_
THRU
REFV_
FORV_
TRC
ANTS_
1R5V_
5V_
5V_
RESET
RESET
14V
14V
RY
+14V
LPF6
To FILTER UNIT
LPF1
LPF7
LPF3
LPF2
LPF4
LPF8
LPF5
ISET
CTRL-2&3
CTRL-2&3
CTRL-3
CTRL-2
CTRL-3
CTRL-2
CTRL-3
CTRL-3
CTRL-3
CTRL-2&3
To TUNER UNIT
To MAIN UNIT
CTRL UNIT (1/3)