Icom COMMUNICATIONS RECEIVER IC-R3 Service Manual - page 56
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
1 2 3
4
5
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
4
5
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
3
2
1
5
6
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
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
+3V
15V
15V
R3V
VCC
VCC
R3V
VIN
R904
33 k
C901
220 P
C902
39 P
L901 10 H
VP
VCC
15V
VP
VCC
15V
15V
4.5V
12V
+3SC
L903
10 H
D901
1SV288
R906
220
R255
470
C10
22
R4
10 k
D14
MA2S111
3
2
1
5
6
Q5
XP1501AB
CP1
DUTY
R10
68
R5
68
DS2
CL-200YGC-TS
DS3
CL-200YGC-TS
R956
18 k
R955
33 k
C951
4.7
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
C903
0.01
COM
CKV1
CKV2
STV
XSTV
CSV
ENB
XENB
PCD
B
R
G
VSS
PCG2
CSH
XSTH
STH
CKH2
CKH1
PCG2
PCG1
XSTV
STV
CKV2
CKV1
XENB
ENB
PCG1
R902
50 k
R903
10 k
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)
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
4
5
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
XSTH
STH
CKH2
CKH1
15V
15V
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
C803
47
R822
22 k
R820
10 k
R823
12 k
1
2
3
4
5
IC903
TC7S02FU
D810
MA2S077
Q8
DTA144EE
C11
0.1
R38
1 M
R40
82 k
C12
0.039
R39
470 k
CP3
1
2
3
4
5
6
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
B2
B3
AM9K
D8
MA2S111
D7
MA2S111
D6
MA2S111
D10
MA2S111
D11
MA2S111
C118
0.47
R114
4.7 k
3
2
1
5
4
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
C63
0.1
R128
10
BEEP
R801
10 k
3
2
1
5
4
Q802
UMY1N TR
C802
0.001
Q801
2SK2493
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
6
5
4
1
2
3
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
4
5
6
3
2
1
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
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
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
AFO
CLONE
AFON
AMUTE
VCC
HV
CPUHV
ATT
ATT3
ATT2
ATT1
CD
NC
OUT
VDD
VSS
R3V
+3V
O
I
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
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
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
1.5 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
LAMP ON: 3.0 V
LAMP ON: 2.3 V
0.1 V
18.8 V
18.5 V
3.3 V
2.5 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
LEFT SIDE
RIGHT SIDE
12 - 4
12-4 LOGIC UNIT