Icom IC-7610 - Voltage Diagram; Display Unit Voltage Diagram (1;2)

J501
1
2
3
4
5
6
7
8
9
10
J702
1
2
3
4
56
6.8k
R551
2.2k
R552
4.7k
R553
47k
R724
82k
R723
0.1
C721
47k
R722
82k
R721
2.2k
R842
6.8k
R709
2.2k
R710
4.7k
R711
15k
R712
15k
R708
4.7k
R707
2.2k
R706
6.8k
R705
6.8k
R701
2.2k
R702
4.7k
R703
15k
R704
6.8k
R601
4.7k
R603
SMLE13BC8T
DS506
B1931TX
DS507
B1931TX
DS509
B1931TX
DS511
B1931TX
DS510
LS8J2M
S501
LS8J2M
S502
LS8J2M
S503
LS8J2M
S504
LS8J2M
S505
LS8J2M
S506
LS8J2M
S601
LS8J2M
S602
LS8J2M
S603
LS8J2M
S604
LS8J2M
S605
LS8J2M
S607
LS8J2M
S608
LS8J2M
S611
LS8J2M
S843
LS8J2M
S844
LS8J2M
S715
LS8J2M
S716
LS8J2M
S841
LS8J2M
S842
LS8J2M
S713
LS8J2M
S706
LS8J2M
S709
LS8J2M
S712
LS8J2M
S705
LS8J2M
S708
LS8J2M
S711
LS8J2M
S704
LS8J2M
S707
LS8J2M
S710
LS8J2M
S703
LS8J2M
S702
LS8J2M
S701
HR
YG
YGHR411
DS503
B1931TX
DS862
B1931TX
DS863
B1931TX
DS753
B1931TX
DS752
0.1
C101
68k
R305
10k
R307
NJM2904CRB1
IC301
6
5
7
10k
R301
15k
R309
NJM2904CRB1
IC301
2
3
1
68k
R311
15k
R303
3.3k
R310
3.3k
R304
L2SC4081
Q304
2SB1201
Q303
22
R306
0.1
C303
L2SC4081
Q302
2SB1132G
Q301
0.1
C302
NJM2904CRB1
IC301
V+
8
GND
4
LDTC143ZE
Q512
LDTC143ZE
Q511
LDTC143ZE
Q510
LDTC143ZE
Q509
LDTC143ZE
Q508
LDTC143ZE
Q507
LDTC143ZE
Q505
LDTC143ZE
Q506
LDTC143ZE
Q504
LDTC143ZE
Q503
LDTC143ZE
Q862
LDTC143ZE
Q863
LDTC143ZE
Q752
LDTC143ZE
Q753
R5F52103BDFM
IC101
P17
17
P16
18
P15
19
P14
20
PH3
21
PH2
22
PH1
23
PH0
24
P55
25
P54
26
PC7
27
PC6
28
PC5
29
PC4
30
PC3
31
PC2
32
PB7
33
PB6
34
PB5
35
PB3
36
PB1
37
VCC
38
PB0
39
VSS
40
PA6
41
PA4
42
PA3
43
PA1
44
PA0
45
PE5
46
PE4
47
PE3
48
PE2
49
PE1
50
PE0
51
VREFL
52
P46
53
VREFH
54
P44
55
P43
56
P42
57
P41
58
VREFL0
59
P40
60
VREFH0
61
AVCC0
62
P05
63
AVSS0
64
P03
1
VCL
2
MD
3
XCIN
4
XCOUT
5
RES#
6
P37/XTAL
7
VSS
8
P36/EXTAL
9
VCC
10
P35
11
P32
12
P31
13
P30
14
P27
15
P26
16
0.1
C102
0.1
C104
0.1
C105
4.7k
R101
47k
R106
10k
R102
B1931TX
DS861
LDTC143ZE
Q861
SMLE13BC8T
DS754
LDTC143ZE
Q754
47k
R103
47k
R104
2.2k
R602
2.2k
R606
6.8k
R605
4.7k
R843
6.8k
R841
6.8k
R844
2.2k
R845
4.7k
R846
2.2k
R714
6.8k
R713
6.8k
R554
2.2k
R555
4.7k
R556
15k
R557
4.7k
R109
LDTC143ZE
Q751
SMLE13BC8T
DS751
MC74HC4094ADTR2G
IC401
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
MC74HC4094ADTR2G
IC402
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
MC74HC4094ADTR2G
IC403
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
0.1
C401
0.1
C402
0.1
C403
0.1
C824
CD4051BPWRIC451
1
CH I/O4
2
CH I/O6
3
COM I/O
4
CH I/O7
5
CH I/O5
6
INH
7
VEE
8
VSS
9
C
10
B
11
A
12
CH I/O3
13
CH I/O0
14
CH I/O1
15
CH I/O2
16
VDD
CD4051BPWRIC452
1
CH I/O4
2
CH I/O6
3
COM I/O
4
CH I/O7
5
CH I/O5
6
INH
7
VEE
8
VSS
9
C
10
B
11
A
12
CH I/O3
13
CH I/O0
14
CH I/O1
15
CH I/O2
16
VDD
0.1
C451
0.1
C452
0
R521
0
R522
0
R525
0
R526
100k
R105
LDTC143ZE
Q521
2.2k
R528
47k
R529
10k
R527
1k
R533
1k
R530
1k
R532
1k
R531
47k
R108
100P
C107
100P
C106
LRB706F
D523
LRB706F
D524
1k
R523
1k
R524
J902
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
L2SC4081
Q571
L1SS400
D571
LDTA114EE
Q573
DSC7004S0
Q572
LDTC143ZE
Q502
HR
YG
YGHR411
DS501
LDTC143Z
E
Q501
TWDTX
TWBUSY
TWCS
TWDRX
TWDCLC
TWPIRQ
BKLV
F3R3V
5V
J801
1
2
3
4
5
6
7
8
9
10
1k
R805
1k
R806
0.1
C805
0.1
C806
1k
R804
1k
R803
1k
R802
1k
R801
0.01
C804
0.01
C803
0.01
C802
0.01
C801
0.1
C103
4.7k
R571
33k
R572
15k
R573
150
R575
10k
R574
0.01
C571
47k
R110
47k
R111
4.7k
R576
MPZ1608S601A
EP901
MPZ1608S601A
EP903
MPZ1608S601A
EP904
MPZ2012S601A
EP902
22
R901
100
R902
0.01
C902
22
R903
100
R904
0.01
C904
0.1
C905
0.1
C906
0.1
C907
0.01
C521
LRB751S
D521
LRB751S
D522
VLED–
VLED+
J503
1
2
3
4
5
6
7
8
910
J504
1
2
3
4
5
6
7
8
9
10
0.1
C522
0.1
C523
0.1
C524
0.1
100P 100P
C525
1k
R771
1k
R772
1k
R773
0.01
C771
0.01
C772
0.01
C773
MMZ1005S601CT
EP101
1
C301
EP521
EP526
EP524
EP527
EP525
EP522
EP523
0.01 C527
0.01
C528
J771
1
2
3
4
5
6
7
8
9
10
SMLE13BC8T
DS512
LRB706F
D525
22k
R534
2.2
C535
LS8J2M
S609
4.7k
R607
15k
R608
LS8J2M
S610
LS8J2M
S845
J502
1
2
3
4
5
6
7
8
910
SHORT1005
CP501
47k
R829
47k
R830
82k
R831
82k
R832
J821
1
2
3
4
56
2SB1132G
Q581
4.7
R581
4.7k
R584
100k
R583
4.7k
R582
0.001
C581
L2SA1576AR
Q582
SML-D12U8WT86
DS508
SML-D12D8WT86
DS505
27kR302
27k
R308
820
R501
2.7k
R502
820
R503
2.7k
R504
1.8k
R505
3.9k
R506
4.7k
R507
2.7k
R508
4.7k
R509
4.7k
R510
4.7k
R511
3.9k
R512
5.6k
R751
5.6k
R754
6.8k
R752
6.8k
R753
4.7k
R862
4.7k
R863
4.7k
R861
CF20
CP101
100P
C533
0.001
C536
MMZ1005B601C
EP528
MMZ1005B601C
EP801
EP802
100P
C534
100P
C108
100P
C109
100P
C113
100P
C110
100P
C460
100P
C456
100P
C457
100P
C455
100P
C458
100P
C454
100P
C459
100P
C453
100P
C112
100P
C111
100P
C114
100P
C115
J101
1
2
3
4
5
6
78
0.1
C807
0.1
C537
FRES
FDAT FCK FSTB
RSDS
TSDS
SBYDS
PWRDS
TMRDS
TUNEDS
TUONDS
ASL0 ASL1 ASL2
LEDV
STBV
FLTXD
MFDAK MFDBK MF
K
TWCS
TWBUSY
TWDTX
RITAK
RITBK
QUICKK
KI3 KI4 KI5
NRDS
NBDS
SDDS
KI0
BKLV UB
FUDL
XFCK
CHGK
KI9
FSTB
FDAT
FCK
FOE
FSTB
FCK
FOE
FSTB
FCK
FOE
MAINDS APFDS FILDS PBTDS SUBTDS SUBDS MAINTDS TUNEDS TUONDS SBYDS PWRDS RMDS TMDS TMRDS RSDS TSDS NRDS NBDS FSQS SDDS
ASL2 ASL1 ASL0 AS0 AS1 ASL2 ASL1 ASL0
FINED
FINED
FRES
PHOR
PHOL
FOE
AS0 AS1
MSCK
KI1
TMDS
RMDS
TWDRX
TWDCLC
TWPIRQ
TWCS
TWBUSY
TWDTX
TWDRX
TWDCLC
TWPIRQ
BKLV
PWRK
KI6
PTCHL
KSPDL
PBABK PBAAK PBBBK PBBAK
RFML
AFML
RFSL
AFSL
STBV
LEDV
RITAK_
FTRAS
MAINDBK
MAINDAK
MAINDBK MAINDAK
PHE
FSENI
FSENI
+8V
FLTXD
PWRK
FLRXD
FRES
FLRXD
KI2
MAINTDS MAINDS SUBDS SUBTDS PBTDS FILDS
APFDS
MFDBK
MFK
MFDAK
LDPS
LDPS
KI7
MICI
MICE
AFO
PHOL
PHOR
PHE
AFE
AFE
MICI
MICE
AFO
MSEND
RITBK
RITBK_
RITAK
5V
5V
5V
PHK
FTRAS
FSQS
+8V
+8V
VLED+
VLED–
UB
FUDL
TRSK
KI6 KI8 KI9 KI7 KI5 KI2 KI3 KI4
CHGK
XFCK
QUICKK
MSCK
AFSL
RFML
AFML
RFSL
KSPDL
KI0 KI1
PTCHL
DSHK
DOTK
KI8
HV
PHK
PBBBK PBBAK DSHK DOTK
TRSK
PBABK PBAAK
F3R3V
JACK UNIT
MIC UNIT
VR UNIT
PBT UNIT
[RIT][∆TX]
[FILTER]
[APF/TPF]
MAIN UNIT (X/Y)SENSOR
5V
MAINDBK
MAINDAK
GND
MFK
MFDBK
MULTI UNIT
MFDAK
GND
[POWER] [TRANSMIT]
[TIMER]
[NB] [NR]
[MENU] [M.SCOPE] [MP-W][AUTO TUNE][MP-R]
[XFC]
[EXIT][QUICK]
[CHANGE]
LS8J2M
S714
[DUAL-W][SPLIT]
[MAIN/SUB][50][GENE]
[28][24][21]
[18][14][10]
[7][3.5][1.8]
[SPEECH/LOCK]
NC
POWER
STBY
TUNER ON
TUNE
SUB TX/RX
[TUNER]
PBT
NR
TIMER
NB
SD Access
APF/TPFFILTER
RIT UNIT
RITAK
RITBK
GND
5V
MAIN
SUB
MAIN UNIT (1/11)
PHOR
GND
PHOL
PHE
DOT
PHE
DASH
GND
PHNI
PHE
MAIN UNIT (X/Y)
F3R3V F3R3V
F3R3V NC
5V 5V
5V 5V
NC
HV
HV
+8V
NC
GND
GND GND
FLTXD FLRXD
GND
+8V
NC
FRES
PWRK GND
FSENI FTRAS
GND GND
GND
DISPLAY UNIT
(2/2)
PBBAK
PBAAK
GND
3R3V
KSPDL
PBBBK
PBTK
GND
PBABK
PTCHL
MICI
MICE
AFO
AFE
PHOR
PHOL
PHE
PHE
RFML
VLED+
AFMK
AFSK
RFSL
AFSL
GND
3R3V
VLED–
AFML
DISPLAY UNIT (2/2)
MAIN TX/RX
TRACKING
MAIN
SUB
TRACKING
GND GND
[REC][PLAY]
[CLEAR]
MICI
MICE
AFO
GND
8V
MUDL
SQLS
MSND
MMZ1005B601C
Pushed key
7
18
28
MAIN/SUB
No key is pushed
KI5
0 V
0.8 V
1.7 V
2.5 V
3.3 V
Pushed key
1.8
10
21
GENE
No key is pushed
KI3
0 V
0.8 V
1.7 V
2.5 V
3.3 V
Pushed key
PBT
FILTER
APF/TPF
No key is pushed
KI8
0 V
0.8 V
1.7 V
3.3 V
LED brightness 0%
LED brightness 100%
1.6 V
3.3 V
LED brightness 0%
LED brightness 100%
4.4 V
8.9 V
Pushed key
3.5
14
24
50
No key is pushed
KI4
0 V
0.8 V
1.7 V
2.5 V
3.3 V
Pushed key
RIT
∆TX
CLEAR
No key is pushed
KI9
0 V
0.8 V
1.7 V
3.3 V
Pushed key
MP-W
MP-R
AUTO TUNE
No key is pushed
KI2
0 V
0.8 V
1.7 V
3.3 V
Pushed key
EXIT
REC
PLAY
SPEECH/LOCK
No key is pushed
KI7
0 V
0.8 V
1.7 V
2.5 V
3.3 V
3.1 V
MAINDAK,
RITAK
clockwise counterclockwise
MAINDBK,
RITBK
0 V
3.1 V
0 V
3.1 V
0 V
3.1 V
0 V
PTT ON
PTT OFF
3.0 V
0 V
LED brightness 0%
LED brightness 100%
1.6 V
3.3 V
Pushed key
TIMER
TUNER
MAIN AF
No key is pushed
KI0
0 V
0.8 V
1.6 V
3.3 V
Pushed key
NB
NR
SUB AF
No key is pushed
KI1
0 V
0.8 V
1.6 V
3.3 V
MIC [UP] is pushed
MIC [DN] is pushed
No key is pushed
0.3 V
0.8 V
3.2 V
LED brightness 0%
LED brightness 100%
4.1 V
8.6 V
Pushed key
SPLIT
DUAL-W
No key is pushed
KI6
0 V
0.8 V
3.3 V
5.0 V
3.3 V
7.9 V
3.3 V
7.9 V
13.5 V
C539
C538
SECTION 10 VOLTAGE DIAGRAM
10-1
• DISPLAY UNIT (1/2)
* Refer to the PARTS LIST for the value and name of component.