Icom IC-FR500 Service Manual - page 38
*; Refer to “PARTS LIST.”
11 - 1
SECTION 11
VOLTAGE DIAGRAM
FRONT UNIT
4.7 MSVA
C558
47P
C545
1
C507
K EY
S505
10K
R552
0.
1
C500
47P
C551
4 7 K
R 5 5 6
DTC114TU
Q504
1
C505
47P
C514
0.
1
C501
MA2S111
D504
10U
L501
470P
C508
0.
1
C503
DTC114TU
Q501
DTC114TU
Q500
100K
R536
MA8056
D507
0.
1
C502
470P
C509
0.
1
C504
0.
1
C541
0.001
C549
0.01
C556
S1D15206F00A200
I
C500
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
31
32
33
34
35
36
37
38
3 9
4 0
4 1
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
5 0
5 1
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
6 0
6 1
6 2
6 3
6 4
65
66
67
68
69
70
71
72
73
74
75
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
101
102
1 0 3
1 0 4
1 0 5
1 0 6
1 0 7
1 0 8
1 0 9
1 1 0
1 1 1
1 1 2
1 1 3
1 1 4
1 1 5
1 1 6
1 1 7
1 1 8
1 1 9
1 2 0
1 2 1
1 2 2
1 2 3
1 2 4
1 2 5
1 2 6
1 2 7
1 2 8
1 k
R 5 4 7
1.2M
R501
K EY
S502
1.2M
R500
0.001
C506
K EY
S501
K E Y
S504
1 k
R 5 4 8
0.001
C548
10K
R553
1 k
R 5 4 6
47P
C553
EVU-F2KFK3B14
R551
K EY
S503
0.001
C536
47P
C539
0.001
C542
C P 1 5 S
C P 5 0 7
C P 1 5 S
C P 5 0 8
K E Y
S500
47K
R544
100K
R538
SML-311YT
DS505
SML-311YT
DS506
SML-311YT
DS509
SML-311YT
DS510
0.001
C530
8 2 K
R 5 4 2
TDA8547TS
IC 5 0 9
1
GND1
2
NC
3
OUT1+
4
MODE
5
S V R R
6
S E L E CT
7
NC
8
OUT2+
9
NC
1 0
GND2
1 1
VCC2
1 2
NC
1 3
O U T 2 -
1 4
I N 2 -
1 5
IN 2 +
1 6
IN 1 +
1 7
I N 1 -
1 8
O U T 1 -
1 9
NC
2 0
VCC1
4 . 7 K
R 5 4 9
10 MSVA
C544
1 k
R 5 5 4
0.
1
C535
0.001
C537
2 S B 1 1 3 2
Q508
0.001
C532
1k
R532
XP6501
Q50
6
1
2
3
4
5
6
2.7K
R533
DTC114TU
Q502
470P
C511
DTC114TU
Q503
470P
C510
RB160L
D506
RB160L
D505
0.
1
C527
0.
1
C534
0.
1
4 . 7 U
L 5 0 0
10 MSVA
C531
47P
C546
47P
C547
10K
R543
10K
R541
RH70N1037E2
0
S 5 0 6
1
COM
2
A
3
B
30 1 7 - 8 8 2 1
J 5 0 3
1
2
3
4
5
6
7
8
DTC114TU
Q510
CD4053B
IC 5 0 6
1
Y 1
2
Y 0
3
Z1
4
Z
5
Z0
6
I N H
7
V E E
8
V S S
9
C
1 0
B
1 1
A
1 2
X0
1 3
X1
1 4
X
1 5
Y
1 6
VDD
100
C540
EMPG3338S
DS501
EMPG3338S
DS503
1
C555
B 2 B - Z R - S M 4 - T F
J 5 0 4
1
2
3
4
4.7K
R557
2 2 0 K
R 5 6 2
2 2 0 K
R 5 6 3
DA221
D509
DA221
D508
4 .7
R 5 6 4
CF20OPEN
C P 5 0 9
G
R
VRPG3349S
DS511
DTC114TU
Q511
D TA114TU
Q513
DTA114TU
Q514
DTA114TU
Q515
DTA114TU
Q516
DTC114TU
Q517
DTC114TU
Q518
G
R
VRPG3349S
DS512
470P
C560
470P
C561
470P
C562
CP15S
CP500
S 8 B - P H - S M 4 - T B
J502
1
2
3
4
5
6
7
8
9
1 0
S 8 B - P H - S M 4 - T B
J501
1
2
3
4
5
6
7
8
9
1 0
E R T J 0 E P 4 7 3 J
R512
0.
1
C517
0.01
C515
1k
R513
12K
R514
1 2 K
R 5 1 7
1 2 K
R 5 1 5
6P
C516
1 0
R 5 1 0
12P
C513
1M
R 5 1 1
MA2S077
D503
1 5P
C 5 1 9
0.01
C518
0.01
C524
4.7 MSVA
C522
NJM2870
IC 5 0 3
1
C T R L
2
GND
3
NB
4
VOUT
5
V IN
0.
1
C526
10 MSVA
C525
0.
1
C523
S-80942CNMC
IC 5 0 1
1
OUT
2
VDD
3
V S S
4
NC
5
CD
10K
R516
0.027
C512
0.47
C521
1 0 0 k
R 5 1 8
1 0 K
R 5 6 8
470P
C559
100K
R520
1 0 0 K
R 5 1 9
0.
1
C520
0.
1
C563
EMVR3338S
DS502
EMVR3338S
DS504
1 0 0 K
R 5 2 4
0.
1
C564
0.
1
C565
0
R560
0.001
C566
0.
1
C567
MA2S111
D510
68K
R571
100K
R572
1 0 0 K
R 5 7 3
1 0 0 K
R 5 7 4
0.001
C533
0.001
C568
2 2 K
R 5 7 0
CP501
CP06S
CP502
CP06S
CP503
CP06S
CP504
CP06S
CP505
CP06S
CP506
CP06S
4 . 7 U
L 5 0 2
10 MSVA
C569
1 00
R 5 4 5
47P
1 8 . 4 3 2 M H Z
X 5 0 1
10K
R575
10K
R576
0.
1
C573
0.
1
C574
MA2S111
D511
1
C538
4.7K
R540
4 . 7 K
R 5 3 9
5 6 0
R 5 5 8
5 6 0
R 5 5 9
5 6 0
R 5 6 6
5 6 0
R 5 6 7
2 . 2 K
R 5 0 6
2 . 2 K
R 5 0 8
3 . 3 K
R 5 0 7
3 . 3 K
R 5 0 9
L 4 - 0 0 1 3 T V Y
DS500
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
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
101
102
103
104
105
106
18K
R534
SML-311YT
DS508
SML-311YT
DS507
120
R525
120
R523
120
R526
MA2S111
D512
MA2S111
D513
330
C575
T A 7 5 S 0 1 F
IC 5 0 8
1
2
3
4
5
UPD78F1153GK
I
C502
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
41
1
42
2
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
LD
3
COM1 1
COM1 2
C
OM0
LD6
LD
5
LD0
C
OM2
LA0
COM1 3
C
OM4
LD1
COM1 4
A F V I
COM8
C
OM5
LD7
C
OM1
LD
2
COM1 0
C
OM3
LRES
LD
4
LWR
C
OM6
LRD
KYP2
KYP3
KYP1
KYP4
P T T
SE
G
5
2
SE
G
5
1
SE
G
5
0
SE
G
4
9
SE
G
4
8
SE
G
4
6
SE
G
4
5
SE
G
4
4
SE
G
4
3
SE
G
4
2
SE
G
4
0
SE
G
3
9
SE
G
3
8
SE
G
3
7
SE
G
3
6
SEG34
SEG33
SEG32
SEG31
SEG30
SEG28
SEG27
SEG26
SEG25
SEG24
SEG22
SEG21
SEG20
SEG18
SEG19
SEG16
S E G 1 5
S E G 1 4
S E G 1 3
S E G 1 2
S E G 1 0
SEG9
SEG8
SEG7
SEG6
SEG4
SEG3
SEG2
SEG1
SEG0
S E G 5 4
S E G 5 5
S E G 5 6
S E G 5 7
S E G 5 8
S E G 6 0
S E G 6 1
S E G 6 2
S E G 6 3
S E G 6 4
S E G 6 6
S E G 6 7
S E G 6 9
S E G 6 8
S E G 7 0
S E G 7 2
S E G 7 3
S E G 7 4
S E G 7 5
S E G 7 6
SEG5
S E G 1 1
SE
G
4
7
SE
G
4
1
SE
G
3
5
SEG29
SEG23
SEG17
SE
G
5
3
S E G 5 9
S E G 6 5
S E G 7 1
COM9
COM7
COM1 5
COM1 6
BFMDA
AFMDA
BMFDA
F8V
AAFO
BPTT
AMFDA
APTT
L I G H T
AAFO
BAF
O
D I C K
DIUD
S E G 7 7
SEG76
SEG61
SEG9
SEG76
SEG8
SEG59
SEG7
SEG65
SEG6
COM8
SEG66
SEG75
COM9
SEG58
SEG74
COM10
SEG51
SEG56
SEG73
SEG21
COM1
1
SEG75
SEG55
SEG72
SEG13
COM1
6
SEG57
SEG45
SEG54
SEG1
SEG20
COM1
5
SEG50
SEG74
SEG74
SEG0
SEG73
COM1
4
SEG52
SEG43
SEG49
SEG12
COM1
3
SEG53
SEG44
SEG48
SEG11
SEG46
SEG37
SEG47
SEG10
SEG38
SEG28
SEG75
SEG5
SEG39
SEG29
SEG42
SEG4
SEG36
SEG41
SEG27
SEG72
SEG40
SEG30
SEG3
SEG76
SEG31
COM3
S
EG2
SEG32
SEG22
COM2
COM1
2
SEG77
SEG14
COM1
SEG26
SEG19
COM0
SEG25
SEG24
SEG23
SEG77
SEG35
SEG18
SEG34
SEG17
SEG68
SEG33
SEG16
SEG67
SEG15
SEG60
COM7
COM6
COM5
COM4
SEG71
SEG70
SEG69
SEG72
SEG64
SEG63
SEG62
SEG73
KYP0
C L I
CLO
BAFO
AFO
ALEDPR
BMFDA
CLO
AFON
LIGHT
ABSW
AFVI
AMFDA
AFMDA
BFMDA
LD7
LD6
LD5
LD4
LD3
LD2
LD1
LD0
HANG
HAN G
TEMP
KYP0
KYP1
KYP2
KYP3
KYP4
TOOL1
ALEDR
BLEDT
BLEDR
ALEDT
ALEDR
BLEDT
BLEDR
ALEDT
DICK
DIUD
ALEDPR
ALEDPG
BLEDPR
BLEDPG
CL
I
BLEDPR
BLEDPG
A
LEDPG
A
LEDPG
E S C L
ESDA
L A0
LRD
LWR
L R E S
FLMDO
B P T T
APTT
PTT
AFO
OSC1
OSC2
CSFT
AFON
TOOL0
R E S
RES
TOOL0
TOOL0
FLMDO
FLMDO
TOOL1
TOOL1
ABSW
MCIN
M I C E
M I C E
M I C E
M
ICE
MICE
POSW
POSW
POS
W
8V
8V
8V
5V
5V
5V
CPU5V
CPU5V
CPU5V
CPU5V
CPU5V
CPU5V
CPU5V
CPU5V
LCD
GND
MIC
P T T
AFVR
E X T M IC
C L I
SP+
S P -
R E S
8V
5V
5V
8V
A ( M A I N )
B ( O P T )
CLO
M
ICE
M
ICE
GND
GND
M I C E
LCD
8V
8V
M
CIN
MC
I
N
8V
F L A S H W R I T E
F8V
RX
TX
LED ON
LED OFF