Icom IC-7600 Service Manual page 111

LOGIC UNIT (4/4) LOGIC UNIT (4/4)
+3R3V
VDD5
VDD3R3
VDD1R5
R861 4.7K
LOGIC-2 L801
10U
VDD5A
VDD5B
EP814
R851
MPZ2012S331A
C855
5.6K
100P
L803
VDD3R3A
R852
C853 R857
10U
5.6K
0.0033 10K
R856
15K
C857
0.1
C858 0.1
0.0033
C854 R858
10K
C856
100P
J801
30FLT-SM2-TB
30
R801
DO_R0
29
R802 10
DO_R1
28
R803 10
27 DO_R2 R862
R804 10
26 DO_R3
R805 10
25 DO_R4 4.7K
R806 10
24 DO_R5
10
THML
23
R807
DO_G0
22 AVXL
R808 10
DO_G1
21 FORL
R809 10
20 DO_G2 REFL
R810 10
19 DO_G3 ALCL
R811 10
18 DO_G4 IDL
R812 10
17 DO_G5 VD L
10
LOGIC-1
16 SKYS
R813
DO_B0
15
R814 10
14 DO_B1
R815 10
13 DO_B2
R816 10
12 DO_B3
R817 10
11 DO_B4
R818 10
DO_B5
10
10
9 LOGIC-2 VDD3R3A
R819
8 FP_DE
R820
10
7 FP_VS
R821
10
6 FP_HS
10
5
R822
DO_CLK
4
10
3
R823
DRESL LOGIC-1
2
10
1
J802 LOGIC-1
MOUT
30FLT-SM2-TB
30
29
28
27 USB1_5V
USB1_HM
26 LOGIC-2
25 USB1_HP
24 GND
23
22
21
20
EP801 VDD5VF
19
MPZ2012S331A
18
EP802 MSND
17
EP803 8V
16
M PZ2012S331A
15
EP804 H14V
14 VOX
M PZ2012S331A
13
EP805 3R3C
12 MAIN_RXDET
EP806 VDD3R3
11
MPZ1608S221A
10
MPZ2012S331A
9 MMZ1608Y102BT
EP807
8 LG_RES LOGIC-4
EP808
7
MMZ1608Y102BT
6
MMZ1608Y102BT
5 VDD3R3A
EP809
4 LTXD
LOGIC-1
EP810
3 LRXD
MMZ1608Y102BT
2
EP811 BT3R0V
1
MMZ1608Y102BT MAIN_AF
LOGIC-2
MOD
4 4
V+ V+
GND GND
MIC
11 11
MAIN_RX
VDD3R3A
EP854
VDD3R3F MPZ2012S331A
MPZ2012S331A
4.7K
R881
MP851 MP871
EP852
2590 2590
5.0
3.3 C875 100P
IC851 L851 IC871
1 25 C873 R876 1
PGND1 SW1L PGND1 SW1L
2 24 2
33U
COMP1 SW 1 COMP 1 SW 1
3 23 0.0033 10K 3
FB1 SW 1 C859 FB1 SW 1
4 22 4
R875
RT BOOT1 RT BOOT1
0.1
5 21 15K 5
NC PVCC NC PVCC
6 20 C877 6
SS1/SD PVCC SS1/SD PVCC
0.1
L853
7 7
VCC 33U VCC
8 19 C878 0.1 8
SS2/SD PVCC SS2/SD PVCC
9 18 9
NC PVCC NC PVCC
10 17 R877 10
FB2 BOOT2 FB2 BOOT2
11 16 C874 10K 11
COMP2 SW 2 C860 EP851 COMP 2 SW 2
12 15 L852 0.0033 12
GND SW 2 MPZ2012S331A GND SW 2
13 14 13
C876
PGND2 SW2L PGND2 SW2L
0.1 33U 100P
BD9302FP BD9302FP
R882
4.7K
THML
AVXL
FORL
REFL
ALCL
IDL
VDL
R953 0
R903 R906
4.7K 8.2K
9
R909
8
R904
MOUT 10
4.7K
IC901
4.7K
NJM2058M
C909
180P
R914
120K
0.0068 8.2K R916
13
C906 R912
14 4.7K
R917
12
IC901
NJM2058M 4.7K
R915
8.2K
R918
6
C907 R913
C912 820P 7 4.7K
R919
5
R925 R926 10 EEE-S 560 IC901
R929 NJM2058M 4.7K
13
3.3K 2.2K
10K
R927
14 2
C910 R924 R930
R923 CP901
12 1
2.2K
IC902 3
10 EEE-S 1.5K
1.8K 330 CF20
NJM2058M IC901
NJM2058M
C915
820P
R934 R935
3.3K 2.2K
9
R936
8
C913 R932 R933
10
330 R938
IC902
10 EEE-S 1.5K 1.8K
NJM2058M
150K
R939
6 MIC_REC
C916 R937
7
4.7K
5
10 EEE-S 560 IC902
NJM2058M R940
4.7K
R942
8.2K
R943
2 REC_AF
C917 R941
1
4.7K
R944
3
10 EEE-S 560 IC902
NJM2058M
4.7K
C1002
Q1031 C1003 0.001
8 1 C1004 0.001
D S
7 2 C1005 0.001
D S
VDD14V 6 3 0.001
C1006
D S
0.001
5 4 C1007
D G
C1008 0.001
R1032 100K
ECH8301 0.001
82K
R1033
1.5
EP872
M PZ2012S331A
+8V_
+14V_
3.3
L871
25 3R3C_
24 PWRS
33U LOGIC-1 PWRS
23
C879
22
21 0.1
20 THM L
FORL
REFL
L873
ALCL
33U IDL
19 VDL
18 AVXL
17
THRI
16
C880 I KEY#
15 L872 M PZ2012S331A
EP871 ISTA
14
FSTB
0.1 33U
SENI
RTKI
LOGIC-1
TRVI
START
KE Y
MTXD1
LOGIC-4
MRXD1
CISEL
LOGIC-1 CI-V
UNLKA
UNLKB
PCK/CON0
LOGIC-1 PDAT/CON1
CON2
PSL
PST
RSTB
MCK
MDAT
DRESH
DRESL
DRESD
FRWT
DSPCK
LOGIC-1 TXS
VOX
RXS
UPWS
USDA
USCK
VBUS
DULS
MHSK 0
AF_DET
MHSK 1
CP10S
CP1101
DX1
NSQ
RTD
TN D
RXPLAY
1 CTFL
RXPLAYE
2 TRAS
MICPLAY
3 EXRL1
MICPLAYE
4 To MAIN UNIT
EXRL2
MICREC
5
SQ S
MICRECE
6
SQLS
RXREC
7 USQLS
RXRECE
8 ASTB
MSTB
J901 DSPR
B8B-PH-SM4-TB DFR
DFX
LOGIC-1
DSKY
DX1S
SHSK0
SHSK1
UNLKS
SCK
SDAT
SST1
SPS0
SST2
SSYNCIO
DFRS
DFXS
EP1001
MPZ2012S221A
1
R1031
To MAIN UNIT
2
10
3
J1002
B3B-PH-SM4-TB
J1001
MPZ1608S221A 50FY-BMT-TB
EP1002
+14V
50
EP1003
MPZ1608S221A 49
+8V
48
EP1004
MPZ1608S221A 47
1R5V
46
EP1005
MPZ1608S221A 45
-12V
44
MPZ1608S221A 43
EP1006 3R3C
42
10 PWRS
41
R1001
40
MPZ1608S221A
39
EP1007 +3R3V
38
R1002 10 THML
37
R1003 10 FORL
36
R1004 10 REFL
35
R1005 10 ALCL
34
R1006 10 IDL
33
R1007 10 VDL
32
R1008 10 AVXL
31
R1009 1K THRI
30
R1010 10 I KEY#
29
R1011 10 ISTA
28
R1012 10 FSTB
27
R1013 10 SENI
26
R1014 10 RTKI
25
R1015 10 TRVI
24
R1016 10 START
23
R1017 10 KEY
22
R1018 10
MTXD1
21
R1019 10 MRXD1
20
R1020 10 CISEL
19
R1021 10 C I-V
18
EP1008 MSND
17
MPZ1608S221A R1022 10 UNLKA
16
R1023 10 UNLKB
15
R1024 PCK
14
10
R1025 PDAT
13
10
R1026 CON2
12
R1027 10 PSL
11
R1028 10 PST
10
R1029 10 BT3R0
9
10
8
EP1009 METV
7
MPZ1608S221A
METE
6
5
VOX
4
VOXE
3
AFDET
2
AFDETE
1
J1101
50FY-BMT-TB
50
R1101 RSTB
49
R1102 10 MCK
48
R1103 10 MDAT
47
R1104 10 DRESH
46
R1105 10 DRESL
45
R1106 10 DRESD
44
R1107 10 FRWT
43
R1108 10 DSPCK
42
R1109 10 TXS
41
R1110 10 RXS
40
R1111 10
UPWS
39
R1112 10 USDA
38
R1113 10 USCK
37
R1114 10 VBUS
36
R1115 10 DULS
35
R1116 10 MHSK 0
34
R1117 10 MHSK 1
33
R1118 10 SKYS
32
R1119 1K YOBI
31
R1120 10 DX1
30
R1121 10 NSQ
29
R1122 10 RTD
28
R1123 10 TND
27
R1124
10 CTFL
26
R1125 10 TRAS
25
R1126 10 EXRL1
24
R1127 10 EXRL2
23
R1128 10 SQS
22
R1129 10 SQLS
21
R1130 10 USQLS
20
R1131 10 ASTB
19
R1132 10 MSTB
18
R1133 10 DSPR
17
R1134 10 DFR
16
R1135 10 DFX
15
R1136 10 DSKY
14
R1137
10 DX1S
13
R1138 10 SHSK0
12
R1139 10 SHSK1
11
R1140 10 UNLKS
10
R1141 10 SCK
9
R1142 10 SDAT
8
R1143 10 SST1
7
R1144 10 SPS0
6
R1145 10 SST2
5
R1146 10 SSYNCIO
4
R1147 10 DFRS
3
R1148 10 DFXS
2
10
1
*; Refer to "PARTS LIST."
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