Icom IC-7600 Service Manual page 118

MAIN UNIT (4/6)
IC4001
IC4002
8 8
V+ V+
GND GND
4 4
NJM2114M NJM2114M
R4012
C4012
R4008 680P
C4030
6 IC4002
0.1
2.7K
5
NJM2114M
R4009
C4010
1K R4013
0.1
R4004
C4013
2.7K
R4003 R4010 680P
C4008
6 IC4001 2 IC4002
RXIF_36K
7
2.7K 0.1 2.7K
5 3
NJM2114M NJM2114M
R4011
C4011
1K
0.1
MAIN-3
AGC_DET
MAIN-1 H14V_
EP4101
H14V
1
2 M PZ2012S331A
RXPLAY
3
4
MICPLAY
5
MICPLAYE
To LOGIC UNIT
6
M ICREC
7
8
RXREC
9
10
J4101
B10B-PH-SM4-TB
MAIN-2 SPLY_
IC4101
6 16
INH VDD
7 8
VEE VSS
TC74HC4053AF
TC74HC4053AF
IC4101
1
R4101 C4101
15
MIVO_
2
UMOD_
MAIN-2 1K 10 F93
AMOD_
TC74HC4053AF
IC4101
13
R4103
14
12
10K
TC74HC4053AF
IC4101
3
R4102
C4102
4
5
33K 10 F93
MMUT _
MAIN-1
UMUT_
AMUT _
-12V_
4.0
IC4003
1 5
CTRL VIN
2
GND
3 4
NB VOUT
1K NJM2871BF04
1
R4016 AGND
7 2
VINR-
3
100 VINR+
4
VCC1
5
AGND
6
AGND
1K 7
AGND
8
AGND
9
VCC2
C4017
10
R4017 VINL-
1 11
VINL+
12
0.0022
100 AGND
D4001 D4002
KDS4148U KDS4148U
R4018
C4014 120K
39P
R4014
2
IC4001
R4019
1
100K
3 330
NJM2114M
R4022
10K
C4032
47P
IC4402
13
R4015 R4021
14
12
6.8K 100
NJM2058M
+8V_
+5V_
-12V_
I C4201 I C4202 I C4204
8 8 8
V+ V+ V+
GND GND GND
4 4 4
NJM2114M NJM2114M NJM2114M
R4211
2.7K
2.7K
R4241 R4208
2 IC4201
1.2K 1
R4209
3
C4236 NJM2114M
0
0.01
R4205 1K
2.2K
R4207
9
IC4402
R4203
8
R4216
10
470
1K
NJM2058M
R4233 C4229
C4237 120P
12K
100P
R4234
R4236 1K
R4232 R4231 C4228
100K
100 100 10 F93
R4212
IC4205
2.7K
U PC4570G2
R4210
6
IC4201
7
2.7K
5
NJM2114M
R4235
100
10 - 11
IC4005
8 1
VCC CLK
7 2
PRE D
6 3
CLR Q
5 4
Q GND
SN74LVC2G74DCTR
CRES
36 100
RST
35
CMCK
MCKI
34
CFS
LRCK
33
CCK
BCK
32 CRX2
DATA
IC4004 31
VDD
PCM4220PFB 30 R4020
DGND C4028
29
NC
28
NC 0.1 100 F93
27
NC
26
SUB0 C4029
25
SUB1
R4221
CFS
4.7K CTX2
C4219
CCK
0.001
R4213
C4211
6 I C4202
R4225
7
10 F93 10K
5
100
NJM2114M
C4215
R4222
0.1
4.7K CRES
C4220
0.001
R4215
C4212
2 I C4202
R4226
1
10 F93 10K
3
100 L4302
NJM2114M
C4216
L4301
0.1
R4230
4.7K
R4223
4.7K
C4221
0.001
R4217
C4213
2
IC4204
R4227
1
10K
10 F93 R4301
3
CMCK 100
100
NJM2114M
100
C4217
R4224
0.1 CFS
4.7K CCK
C4222
CRX1
0.001 CTX1
C4214 R4219
6
IC4204
R4228
7 R4302
10K
10 F93
5
100
NJM2114M
C4218
0.1
+8V_
+5V_
+3R3V_
-12V_
IC4501
8
1
CLKC FS/SUSPEND/OE/SHUTDOW N
2 7
GND VDD
3 6
XTALIN CLKA
4 5
XTALOUT CLKB
CY22381FXC
MP4501
R4505
1691
100K
IC4502
5 1
VCC NC R4506
C4503
2
A
4 3
Y GND 0.01 100
SN74LVC1G04DCK
+5V_
C4411
10 F93
+3R3V_
R4303 IC4302
IC4401 IC4402
LRCLK OUTL
5 4
SDATA GND
6 3 8 4
BCLK REF
7 2 V+ V+
VCC OUTR
8 1 GND GND
100 BU9480F 4 11
NJM2114M NJM2058M
C4305 C4306
10 10
C4402 R4406
10U
10 F93 4.7K
10U
C4405 R4407
IC4301
10 F93 4.7K
1 30
VCOM AOUTR+
2 29
AINR+ AOUTR- R4408
3 28
AINR-/NC AOUTL+ 4.7K
4 27
AINL+ AOUTL-
5 26
AINL-/NC DGND
6 25
VREF VD
7 24
AGND VT R4409
C4406
8 23
VA ADMODE
9 22
0.1
P/S DEM0 3.3K
10 21
MCLK PDN
11 20
LRCK/DSDR DFS0 C4418 R4410
12 19
BICK/DCLK CSN/DIF
13 18
SDTO CCLK/CKS1 0.1 3.3K
14 17
SDTI/DSDL CDTI/CKS0
15 16
OVFR/DZFR OVFL/DZFL
R4411
3.3K
AK4620BVFP
+8V_
+5V_
MAIN-3
+3R3V_
-12V_
CRES
CRES
CTX1
CTX1
CTX2
CTX2
CRX1
CRX1
CRX2
CRX2
MAIN-5
CCK
CCK
CFS
CFS
33M
33M
20M
20M
CMCK
CMCK
REFCK_
REFCK_
MAIN-6
R4421
56K
C4423
47P
100K IC4402
6
R4426
7
R4412 DDAGC_ MAIN-3
5
150
NJM2058M
C4417
820P
R4423 R4424
2.2K
3.3K
2
IC4402
R4428
R4420 1
R4422
AFDET_
3
330
MAIN-1
1.8K CP4431
1.5K
NJM2058M
AFDETE_
SHOR T
R4413
4.7K
C4412
0.0022
R4414
IC4401
2
1
MAIN-2
220 RX_AF
3
R4415 NJM2114M
220
C4413
0.0022
R4416
3.3K C4414
470P
R4417 IC4401
6
7
470 TXIF_36K MAIN-3
5
R4418 NJM2114M
470
C4415
470P
*; Refer to "PARTS LIST."