Icom IC-R3 Service Manual

R256
4.7 k
C116
0.1
C17
1
C19
1
C20
1
C23
1
L1
CD54-101KC
D20
1SS372
D15
1SS372
D5
1SS372
D19
1SS372
C22
1
W5
0
D301
MA2S111
Q304
2SC4617 Q
Q303
2SB1132 R
C303
47
C98
22
HV
VP
+3V
VCC
DCDC
_
C
Q26
2SC4081 S
R82
47 k
C18
3.3
C33
1
C21
1
J1 To RF unit J1
RSSI
FMAF
CONVC
SDET
AMAF
SPG
PGSTB
DBLOFF
174MC
TRAC
UHF3VC
108MC
FSET
VP
VIDEO
DCK
TVC
VCC
+3V
TVC
+3V
DUD
R3V
RXC
TVIF5
LVC
PSTB
PCK
PDA
+3V
EXPSTB
HFC
CLONE
ATT
INTSP
AFO
WFM
AM
BGND
C107
0.1
5V
Q806
2SA1588 GR
D804
RB060L-40
R808
47 k
C807
56
TVIF5
Q7
UN9214
Q50
UN9214
R807
47 k
R809
470
D801
MA727
D800
MA727
Q51
DTA144EE
C804
22
R810
0.15
C809
47
T1
W1
L902
10 H
12V
12V 4.5V
4.5V
4.5V
C932
10
C907
0.047
C16
0.001
R904
33 k
C901
220 P
C902
39 P
L901 10 H
VP
VCC
15V
VP
VCC
15V15V
4.5V
12V
L903
10 H
D901
1SV288
R906
220
CP1
DUTY
R956
18 k
R955
33 k
C951
4.7
C903
0.01
XSTH
STH
CKH2
CKH1
PCG2
PCG1
XSTV
STV
CKV2
CKV1
XENB
ENB
R902
50 k
R903
10 k
R907 100
R908 100
R909 100
R910 100
R911 100
R912 100
R913 100
R914 100
R915 100
R916 100
R917 100
R918 100
R919 100
R920 100
C904
0.0068
XSTH
17
STH
18
CKH2
19
CKH1
20
PCG2
21
PCG1
22
HD
23
PANEL
24
XSTV
25
STV
26
CKV2
27
CKV1
28
XENB
29
ENB
30
VSS2
31
VD
32
VCC1
49
SIGCENTER
50
BYIN
51
RYIN
52
COUT
53
BLKLIM
54
APC
55
VXOOUT
56
VXOIN
57
VREG
58
CIN
59
STARTUP
60
YIN
61
PICT
62
FOADJ
63
PWRST
64
IC901
LV4127W
C906
0.47
R6
10 k
C905
3.3
C933
0.1
R905
1 k
L900 100 H
R959
680
C899
8 P
C934
4.7
C919 0.01
R931 15 k
C908
1
C909
1
C912 10
C917
0.01
(W915)
NTSC
JUMPER
PAL
18 P
C911 0.047
R929
47 k
C913
0.1
R926
33 k
R928
180 k
C931
0.01
(X901)
NTSC
3.579545MHz
PAL
4.433619MHz
C910
470 P
R937
15 k
C916
0.01
X901
CR-679
W915
R927
47 k
C914
0.1
C900
12 P
C947
2 P
R803
330
Q804
2SK2493
1
2
3
45
6
7
8
IC801
MB3776AFFV
R806
39 k
R802
1.2 k
C812
0.0012
D805
RB060L-40
C811
0.1
C808
56
R804
1.2 k
R805
2 k
R811
3.9 k
D802
MA727
C805
10
R945
10 k
C942
4.7
12V
5V
C938
0.01
L907
10 H
C945
10
C944
0.01
4.5V
12V
5V
4.5V
R940
1 k
C930
10
L904
10 H
C929
0.01
C927
10
R932
10 k
C920
0.068
L905
10 H
C928
0.01
C921
0.22
R921 100
R922 100
R923 100
C926
0.01
C925
0.047
3
2
1
4
5
Q1
XP1210
D18
MA6S718
C922
0.1
C924
0.047
C923
0.047
R
G
B
PCD
C820
47
R821
1 k
D820
MA2S111
Q820
2SB1201 S
Q821
2SC4081 S
C822
150 P
C821
0.001
R826
0.15
R822
22 k
R820
10 k
R823
12 k
1
2
3
4
5
IC903
TC7S02FU
D810
MA2S077
1
S
R156
33 k
OUT1
1
IN1
2
COM
3
GND
4
VC
5
IN2
6
OUT2
7
VCC
8
IC14
M5222FP
C80
0.1
C63
0.1
R128
10
R801
10 k
3
2
1
5
4
Q802
UMY1N TR
C802
0.001
C801
0.0033
R157
120 k
15V
4.5V
VCC
15V
C71
0.0022
R119
180 k
R127
18 k
Q2
UN9214
TGSTB
OSSTB
DATA
CK
Q19
DTC144EE
R131
10
R126
18 k
(7 MHz)
Q18
DTA144EE
C65
0.1
C67
0.1
R116
47 k
C937
1
C935
30 P
C936
33 P
OSC1
1
OSC2
2
STB
3
CK
4
DATA
5
RST
6
V2
7
VOUT
8
CHAL
9
VIN
10
GND
11
P0
12
P1
13
P2
14
PHIN
15
LPF
16
FSC
17
HD
18
VD
19
V1
20
IC902
M35017-001FP
R938
3.3 k
R939
1.2 k
L906
39 H
C939
0.01
C940
0.01
C941
0.0047
R943
2.2 k
R942
1 k
C950
0.01
R941
100 k
Q904
2SC4081 S
Q903
2SA1576 S
Q902
2SC4403 3
C952
47 P
R944
100 k
R947
100 k
C943
4.7
R946
4.7 k
HV
CHGC
VCC
INTSP
BATV
TRACC
VP
VIDEO
TRAC
J2 To Speaker
To Li-ion Battery
R967
100 k
D201
RB060L-40
654
123
Q42
XP4601
R968
15 k
1
2
D203
MA133
+
—
Q202
UN9214
R203
5.6 k
C203
0.001
C202
0.001
D204
SB07-03C
Q201
2SB1201 S
D202
MA2S728
C201
0.001
R202
6.8
R204
6.8
R201
100 k
1
2
3
4 5
6
7
8
Q203
HAT1023R
C74
0.1
C68
0.018
C66
0.1
C93
0.018
R118
15 k
R130
15 k
R117
470 k
R121
470 k
R136
22 k
BGND
R120
180 k
D16
MA132WK
C72
0.0047
C76
0.1
456
321
Q30
XP6501 AB
R124
10 k
R132
10 k
R123
120 k
R109
1 M
R141
180 k
R122
180 k
R140
180 k
R129
47 k
R153
47 k
C949
1
D17
MA2S111
C73
0.1
C77
0.1
Q17
2SJ144 Y
R125
15 k
C69
0.01
C70
0.01
C91
0.1
C58
0.1
C97
0.1
Q37
2SJ144 Y
C92
0.1
R112
33 k
R159
33 k
R165
15 k
R113
82 k
R133
180 k
C81
0.1
R108
1 M
R166
220 k
R164
10 k
C90
0.0047
R161
8.2 k
Q31
2SC4081 S
R137
47 k
C82
0.1
C86
1
R149
2.2 k
R150
1.2 k
C87
1
AMUTE
FMAF
VRC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
TRAP
GND1
SYNCIN
H.FILOUT
S.SEPIN
EXTR
EXTG
EXTB
VDIN
CSH
CSV
RPD
VSS1
CK1 CK0
VDD
VCC2 FBR ROUT FBG GOUT GND2 FBB BOUT VCCPCD PCD GNDPCD FBPCD TEST LOAD DATA SCLK
VIDEO
AM AMAF FMAF
WFM
15V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
1.5 V
3.0 V
1.5 V
0.6 V
1.2 V
CFL ON: 3.1 V
3.1 V
CFL ON: 3.3 V
4.1 V
CFL ON: 3.0 V
18.8 V
18.5 V
3.3 V
3.4 V
TV MODE: 5.0 V
TV MODE: 4.4 V
TFT ON: 3.3 V
TFT ON: 0.9 V
TFT ON: 1.8 V
TFT ON: 1.2 V
TFT ON: 1.7 V
COMPLETE VIEW

Icom IC-R3 Specifications

General

Brand	Icom
Model	IC-R3
Category	Receiver
Language	English