Icom IC-R3 Service Manual

IC10
XC6371A351PR
R256
4.7 k
IC3
XC62FP3002MR
R974
4.7 k
R977
47 k
Q908
UN9214
D903
MA2S111
C41
0.1
R961
8.2 k
R962
6.8 k
R963
5.6 k
LVC
R960
10 k
R964
10 k
C51
0.001
R51
120 k
S5
MODE
1
DS1
A0080
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
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
S6
V/M
S7
UP
S8
DN
S9
RIGHT
S10
LEFT
SEG12
SEG11
SEG10
SEG9
SEG8
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC11
M38267M8L-256GP
C42
0.1
SEG3
SEG4
SEG5
SEG6
SEG7
R48
100 k
R19
470 k
KS1
EXPSTB
PDA
PCK
PSTB
ECS
ECK
KS0
C39
0.01
123
45
IC5
S-80925ALMP-DAN
C40
0.001
R88
1 M
PGSTB
I3
LVI
Q43
2SK1829
LAMPS
3V(CPU3V)
R3
10 k
ECS
ECK
EDISO
EDOSI
R86
47 k
R172
10 k
Q38
2SC4081 S
1
2
3
45
6
7
8
IC2
AK93C10A
R87
47 k
Q40
DTA144EE
R85
100 k
C110
47
C35
0.001
C15
47
C24
10
C5
0.001
D2
MA2S111
32
1
56
Q39
XP1501 AB
R8
470
C251
0.001
C304
15
C258
22
C7
0.001
C4
22
Q6
2SA1362 GR
Q4
2SA1588 GR
DC-DC CONV
C36
1
C48
1
D4
MA729
C116
0.1
C17
1
C94
1
C19
1
C20
1
C23
1
L1
CD54-101KC
D20
1SS372
D15
1SS372
D5
1SS372
D19
1SS372
C22
1
C6
1
C120
1
W5
R306
10 k
C119
47
R7
100
D301
MA2S111
Q304
2SC4617 Q
Q303
2SB1132 R
C303
47
C98
22
Q26
2SC4081 S
R82
47 k
C18
3.3
C33
1
C21
1
C16
0.001
+3V
15V
15V
R3V
VCC
VCC
R3V
VIN
+3SC
R255
470
C10
22
R4
10 k
D14
MA2S111
321
56
Q5
XP1501AB
R10
68
R5
68
DS2
CL-200YGC-TS
DS3
CL-200YGC-TS
C8
10 P
C9
10 P
POWERC
RESET
+3SC
R100
10 k
DCDC
_
C
CPUHV
SDET
AFON
AMUTE
BEEP
CLIN
CLOUT
COM
15V
EDISO
EDOSI
LIGHT
TVC
CONVC
X1
CR-613
COM1
COM2
COM3
R35
10 k
R32
47 k
R33
47 k
R34
47 k
THERMC
C106
0.01
R970
100 k
COM0
SEG0
SEG1
SEG2
R969
47 k
C261
0.01
S4
SQL
KEYS
R75
150 k
R76
150 k
R77
150 k
R26
33 k
S1
POWER
KSQL
RTONE
D1
MA2S111
Q11
UN9214
R37
470
R78
150 k
R186
100 k
BATV
R965
68 k
R966
100 k
COM
CKV1
CKV2
STV
XSTV
CSV
ENB
XENB
PCD
B
R
G
VSS
PCG2
CSH
PCG1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
J801 To TFT LCD (DS4)
XSTH
STH
CKH2
CKH1
15V
15V
C820
47
R821
1 k
D820
MA2S111
Q820
2SB1201 S
Q821
2SC4081 S
C821
0.001
R826
0.15
C803
47
R822
22 k
R820
10 k
3
4
5
IC903
TC7S02FU
Q8
DTA144EE
C11
0.1
R38
1 M
R40
82 k
C12
0.039
R39
470 k
CP3
1
2
3
4
56
7
8
9
10
T2
1
2
3
4
6
5
7
8
IC9
NJM2904V
C13
0.1
C3
0.1
C1
100 P
TCON
R12
100 k
R92
470 k
R14
120 k
R90
1 M
R91
470 k
R41
82 k
R42
82 k
C14
0.0015
PCK
RTONE
TCON
PSTB
KS1
KS0
C43
0.001
PGSTB
R74
15 k
I3
B0
RXF0
D9
MA2S111
D13
MA2S111
C44
0.1
R71
15 k
R72
15 k
R73
15 k
B1
RXF1
B2B3
AM9K
D8
MA2S111
D7
MA2S111
D6
MA2S111
D10
MA2S111
D11
MA2S111
C118
0.47
R114
4.7 k
321
54
Q41
XP1501 AB
R104
470
R3V
VCC
CP4
Q36
2SC4081 S
R139
100
R156
33 k
C84
0.1
C85
0.1
Q23
2SB1132 R
C88
22
OUT1
1
IN1
2
COM
3
GND
4
VC
5
IN2
6
OUT2
7
VCC
8
IC14
M5222FP
C80
0.1
BEEP
R801
10 k
3
2
1
5
4
Q802
UMY1N TR
C802
0.001
Q801
2SK2493
C801
0.0033
R157
120 k
4.5V
VCC
C91
0.1
C58
0.1
C97
0.1
Q37
2SJ144 Y
R112
33 k
R159
33 k
R165
15 k
R113
82 k
R108
1 M
R166
220 k
R164
10 k
C90
0.0047
R161
8.2 k
R137
47 k
C82
0.1
C87
1
R138
5.6 k
C89
10
C78
0.047
C79
100 P
C54
4.7
C53
4.7
C61
220
IN
1
VREF
AMUTE
FMAF
VRC
2
NF
3
COMP
4
GND
5
OUT
6
TB
7
VCC
8
IC15
TA31056F
C117
0.1
Q44
2SA1588 GR
C263
0.1
VIN
R103
180 k
R102
100 k
AFO
CLONE
AFON
AMUTE
VCC
HV CPUHV ATT ATT3 ATT2 ATT1
CD NC
OUT VDD VSS
R3V
+3V
OI
G
CLONE
VRC
POWER
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
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 WFM AM ATT1 ATT2 ATT3 HFC 108MC 174MC UHF3VC DBLOFF DATA CK TGSTB OSSTB
LVI K2 K1 VIN BATT RSSI RTONE TRACC FSET TCON SDET KFUNC KSQL VRC DCK CHGC AMUTE CLOUT CLIN BEEP DUD POWER AFON RXC
BATT
EX
G
O
D3
1SS372
R20
100 k
R49
120 k
R21
220 k
R50
220 k
C52
0.001
FUNC
S2
JPM1990-2013R
C114
0.01
1.5 V
3.1 V
0.9 V
3.0 V
1
.
CFL ON: 3.1 V
3.1 V
CFL ON: 3.3 V
4.1 V
CFL ON: 3.0 V
LAMP ON: 3.0 V
LAMP ON: 2.3 V
0.1 V
18.8 V
3.3 V
2.5 V
3.4 V
12-4 LOGIC UNIT
COMPLETE VIEW
12 - 4

Icom IC-R3 Specifications

General

Brand	Icom
Model	IC-R3
Category	Receiver
Language	English