Icom IC-R5 Service Manual

SECTION 11 VOLTAGE DIAGRAM
• LOGIC UNIT
+
+
+
+
+
+
++
+
+
+
+
+
++
DS1
TTR5169
1
COM0
2
COM1
3
COM2
4
COM3
5
SEG37
6
SEG36
7
SEG35
8
SEG34
9
SEG33
10
SEG32
11
SEG31
12
SEG28
13
SEG27
14
SEG26
15
SEG25
16
SEG24
17
SEG23
18
SEG22
19
SEG21
20
SEG20
21
SEG19
22
SEG18
23
SEG17
24
SEG16
25
SEG15
26
SEG14
27
SEG13
28
SEG12
29
SEG11
30
SEG10
31
SEG9
32
SEG8
33
SEG7
34
SEG6
35
SEG5
36
SEG4
37
SEG3
38
SEG2
39
SEG1
40
ESG0
SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 COM3 COM2 COM1 COM0 SEG0
W6
W4W2
W7
W5
73
P14/KI4
74
P13/KI3
75
P12/KI2
76
P11/KI1
77
P10/KI0
SEG47/P07 SEG46/P06
80 79 78
SEG45/P05
81
SEG44/P04
82
SEG43/P03
83
SEG42/P02
84
SEG41/P01
85
SEG40/P00
86
SEG39/P127
87
SEG38/P126
88
SEG37/P125
89
SEG36/P124
90
SEG35/P123
91
VCC
92
SEG34/P122
93
VSS
94
SEG33/P121
95
SEG32/P120
96
SEG31/P117
97
SEG30/P116
98
SEG29/P115
99
SEG28/P114
100
SEG27/P113
101
SEG26/P112
102
SEG25/P111
103
SEG24/P110
104
SEG23/P107
105
SEG22/P106
106
SEG21/P105
107
SEG20/P104
108
SEG19/P103
W3
SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19
CONT0
CONT0
CONT1
CONT1
B0 B1 B2 B3
RXF0 RXF1
DCK
DUD
SQL
FUNC
MODE
109
SEG18/P102
110
SEG17/P101
111
SEG16/P100
112
SEG15
113
SEG14
114
SEG13
115
SEG12
116
SEG11
117
SEG10
118
SEG9
119
SEG8
120
SEG7
121
SEG6
122
SEG5
123
SEG4
124
SEG3
125
SEG2
126
SEG1
127
SEG0
128
COM3
129
COM2
130
COM1
131
COM0
132
C2
133
C1
134
VL3
135
VL2
136
VL1
137
VSS
138
P132/DA2
139
P131/DA1
140
AVSS
141
P130/ADTRG/DAO
142
VREF
143
AVCC
144
P97/AN7
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
W11
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
R8 1 k
R4
47 k
R9 1 k
C1
0.001
R6
47 k
R2
68 k
R3
120 k
C4
0.001
R7 1 k
R1
10 k
C2
0.1
C3
0.001
C28
0.001
R5
47 k
FSET
TRAC
VRC
VRC
VRC
P62/RXD0
P61/CLK0
P60/CTS0/RTS0
P57/CKOUT
P56/INT3
P55/TB5IN
P54/TB4IN
P53/TB3IN
P52/TB2IN
P51/TB1IN
P50/TB0IN
P47/TA3IN/INT4
P46/TA3OUT/INT4
P45/TA2IN
P44/TA2OUT
P43/TA1IN
P42/TA1OUT
P41/TA0IN
P40/TA0OUT
P35
P34
P33/KI19
P32/KI18
P31/KI17
P30/KI16
P27/KI15
P26/KI14
P25/KI13
P24/KI12
P23/KI11
P22/KI10
P21/KI9
P20/KI8
P17/KI7
P16/KI6
P15/KI5
P96/AN6 P95/AN5 P94/AN4 P93/AN3 P92/AN2 P91/AN1 P90/AN0 P87/TA7IN P86/TA7OUT P85/TA6IN P84/TA6OUT P83/TA5IN P82/TA5OUT P81/TA4IN/INT5 P80/TA4OUT/INT5 CNVSS XCIN XCOUT RESET XOUT VSS XIN VCC P77/NMI P76/INT2 P75/INT1 P74/INT0 P73/CTS2/RTS2 P72/CLK2 P71/RXD2/SCL P70/TXD2/SDA P67/TXD1 P66/RXD1 P65/CLK1 P64/CTS1/RTS1/C P63/TXD0
R12 1 k
R13 1 k
C8 0.001
C12
18 P
R14 1 k
R22 1 k
C5 0.001
R17
47 k
X1
CSTCR6M75G53
6.75MHz
C13
0.001
EP1
D1 MA2S111
R15 1 k
Q1
DTC144EE
R61
10 k
R19
47 k
S6
E
UP
DN
R11 1 k
R20
15 k
C11 0.001
W1
W17
Q2 DTC144TE
R10 1 k
C10 0.001
C6 0.001
C9 0.001
R21 1 k
EP2
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
R18 47 k
C7 0.001
R16 1 k
R52
120 k
R23 1 k
DUD
DCK
K2 K1
RSSI VIN
CTONE RTONE
ADJ
ESIO
ECK
CLOUT
POWER
CLIN
CLS
CNVSS
+3CPU
+3CPU
R316
4.7 k
R46 1 k
R40 1 k
R54
47 k
R322
56 k
Q400 2SC4081 S
C452
220
R309
18 k
C312
0.1
R304
180 k
C309
0.0022
IC450 TA31056F
1
IN
2
VREF
3
NF
4
COMP
5
GND
6
OUT
7
TB
8
VCC
R33 1 k
R313
1 M
C106 1
R403
33 k
C456
100 P
R311
47 k
C200
0.001
C301
0.1
C457
4.7
C40
0.001
R28 1 k
C454
0.1
R50
330 k
C107 1
R315
180 k
C318
0.1
W14
R402
120 k
R325
100 k
R302
390
R312
47 k
R406
82 k
R44 1 k
IC3
R3112N281A
1
OUT
2
VDD
3
VSS
4
NC
5
CD
C316
0.018
C32 0.001
C404
0.1
Q451 2SB1132 R
C403
0.1
R405
33 k
IC400 M522FP
1
OUT1
2
IN1
3
COM
4
GND
5
VC
6
IN2
7
OUT2
8
VCC
R205 82 k
R303
180 k
Q452 2SA1588 GR
W16
C314
0.018
C108 1
C322
0.1
R324
100 k
C402
0.1
R34 1 k
C304
0.1
C352
0.1
R451
470
R25 100
Q350
2SJ144 Y
R351
1 M
C110 1
Q100
2SC4081S
C319
0.1
C308
0.1
C458
4.7
C351
0.1
R209
407 k
R404
8.2 k
R55
10 k
R39 100
R350
47 k
R38 100
R323
39 k
C305
1
C113 1
R319
470 k
R317
470 k
C401
1
S4
R408
220 k
R48 1 k
D301
MA132WK
C20 0.001
R305
82 k
C24 0.001
R306
15 k
R308
18 k
C101 1
R47 1 k
C35
0.001
R31 1 k
C311
0.0068
R35 1 k
R450
4.7 k
R65
10 k
C400
0.1
IC200
NTM2904V
1
2
3
4
5
6
7
8
C34
0.001
S5
C307
0.0047
C103 1
C26 0.001
R321
10 k
R56
10 k
W13
R110
10
C450
0.47
R32 1 k
S1
R201
470 k
R37 1 k
C22 0.001
C43
0.01
C109 1
Q302
2SJ144 Y
R51
330 k
Q200
DTA144EE
C313
0.1
C115
0.22
D300
MA2S111
R45 1 k
R29 1 k
C104 1
R318
82 k
W10
R401
33 k
C317
0.1
R208
1 M
R407
15 k
R307
10 k
C306
0.1
C315
0.1
R207
82 k
R53
120 k
C205
0.0015
C204
0.001
R26 1 k
S3
Q303
DTA144EE
R409
10 k
R24 100
C405
0.1
R400
5.6 k
C320
0.1
W12
S2
R36 1 k
R100
82 k
R300
10
D100
1SS372
D102
1SS372
C30 0.001
C105
0.001
C100
68 P
C453
33
IC2 CAT24WC256K1.8
1
A0
2
A1
3
NC
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
R314
180 k
C455
0.1
IC100
TC7W04FU
1
2
3
4
5
6
7
8
R320
39 k
Q300
2SC4081S
C406
0.0047
R43 1 k
R30 1 k
C310
0.0068
R301
202 k
C321
0.1
C303
0.1
D101
1SS372
R206
82 k
R42 1 k
D103
1SS372
R41 1 k
R200
1 M
Q450
XP1501 AB
1 2
3
4
5
R27 1 k
R310
120 k
C114
2.2
R49
150 k
C102
0.001
Q301
XP6501 AB
1 2 3
4 5 6
C210
1
C209
0.01
C207
0.022
R204
68 k
R203
1 M
C203
220
C208
0.022
C202
0.1
R202 68 k
EP10
C451
3.3
EP9
C53
82 P
W200
R102
6.8 k
ESIO
K2
ECK
RSSI
RSSI
B3C
CHGC
NOISE
AM
WFM
ANTSW
UHFC
RTONE
RTONE
BEEP
+3SC
PCON
AMUTE
TCON
PCK
PSTB
PDAUL
BEEP
BEEP BEEP
VRC
TXD
BUSY
SCLK
RXD
K1
RESET
RESET
CLONE
VP
VP
TCON
TCON
TCON
AMUTE
AMUTE
AMUTE
AFON
+3SC
VHFC
WFM
AM
CTONE
CTONE
CTONE
PCON
VIN
VIN
R3V
VCC
VIN
R3V
VCC
VIN
VIN
C27 0.001
C14 0.001
C29 0.001
C23 0.001
C21 0.001
C25 0.001
C31 0.001
LIGHT
GC
300MC
800MC
B1C
HFC
SHIFT
ATT
DBL1
DBL2
B2C
AFON
C118
4.7
C123
0.001
C134
10
Q101
XP6501 AB
1 2 3
4 5 6
C120
0.001
C45
0.1
R105
33k
C127
0.001
C121
0.001
EP3
Q4 DTC144EE
C116
0.1
R111
10
R108
4.7 k
R64
10 k
R101
3.3 k
R109
47 k
C136
0.001
R58
47 k
C128
47
Q104
2SA1588 GR
C132
0.001
C126
0.001
R106
4.7 K
Q103
2SA1588 GR
C131
33
C135
33
1
VDD
2
GND
3
CE
4
NC
5
VOUT
IC103
R1111N321B
1
VDD
2
GND
3
CE
4
NC
5
VOUT
R103
2.2 k
C129
22
R57
4.7 k
R104
47 k
IC102
XC6371A351PR
1
VSS
2
VOUT
3
EXT
D2 MA2S111
Q5
2SC4081 S
Q102 2SA1588 GR
R107
47 k
Q105
DTA144EE
L100
CDRH5D28-101NC
D105
RB551V-30
C130
22
C133
22
R59
56
D3
MA8027 H
HVDET
LIGHT
VCC
VCC
VCC
LIGHT
+3CPU
+3CPU
+3CPU
CONT0 CONT1 +3CPU
+3CPU
+3CPU
R62
100 k
C501
0.001
J3
AXK5S40340P
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
D502
RB551V-30
Q501
2SB1132 R
R63
180 k
R501
10 k
C17
0.001
C503
0.001
Q502
DTC144EE
C504
0.001
J500
04-730A1-02BKA
C18
0.001
Q500
HAT1023R
5
D
6
D
7
D
8
D
1
S
2
S
3
S
4
G
D503
MA133
D500
SB07-03C
C500
0.001
R500
100 k
D501
MA2S728
R502
3.9
EP12
EP13
C505
0.0047
NOISE
GC
300MC
800MC
UHFC
VHFC
TRAC
B3C
B2C
ATT
ANTSW
FSET
PSTB
PCK
PDAUL
B1C
HFC
SHIFT
DBL1
DBL2
RSSI
+3S
R3V
+3V
AM
WFM
R3V
CHGC
+3V
+3S
+3V
+3S
VP
EAR
FMDET
AMDET
ATT
FSET
PSTB
PCK
PDAUL
B1C
HFC
SHIFT
DBL1
DBL2
RSSI
R3V
+3V
WFM
+3S
VP
EAR
FMDET
HV
HV HV
+3S
+3V
HVDET
HVDET
+3V
+3V
+3V+3V
+3V
HV
HV
VCC
VCC
VCC
IC1
M30220FCRP(RX-2605EXP)
C47
0.001
C48
0.001
S7
S9
C46
0.001
S10
C49
0.001
S8
MODE
POWER
FUNC
SQL
FUNC SQL
C51
0.001
J2
HSJ1501-011010
EP11
IC104
R1111N321B
R60 47 k
SCLK
From/to
RF unit J1
RSSI AMDET FMDET EAR
RSSI AMDET FMDET EAR
EAR
EAR
EAR
VRC
EAREAR
CLONE
EAR
CLONE
EAR
CLONE
VCC
VCC
to AC
adapter
to external
speaker
C: while charging the battery
F : while receiving FM mode
NOTE
A : while receiving AM mode
W: while receiving WFM mode
2.98 V
C: 3.16 V
C: 5.45 V
C: 2.86 V
C: 4.79 V
A: 0.17 V
F: 3.21 V
3.12 V
A: 3.11 V
W: 0.0 V
F: 0.0 V
W: 0.18 V
F: 3.16 V
W: 2.42 V
W: 2.97 V
1.26 V
0.33 V
3.12 V
1.50 V
0.94 V
0 V
3.11 V
W: 0.0 V
W: 1.85 V
W: 0.93 V
W: 2.4 V
ON: 3.22 V
OFF: 0.0 V
SQL
3.0 V
ON: 2.34 V
OFF: 2.53 V
12.86 V
ON: 1.52 V
OFF: 0.65 V
ON: 2.3 V
OFF: 0.6 V
ON: 2.99 V
OFF: 0.35 V
AF
ON: 2.91 V
OFF: 0.0 V
13.51 V
13.35 V
12.37 V9.81 V7.23 V4.62 V
10.91 V8.31 V5.71 V3.11 V
3.22 V
3.17 V
2.96 V
2.75 V
CLK SHIFT
ON: 3.22 V
OFF: 0.0 V
AF
AF
AF
AF
3.22 V
3.22 V
3.14 V
3.13 V
0.06 V
0.97 V
1.01 V
3.07 V
0.97 V
0.95 V
0 V
1.36 V
1.97 V
2.51 V
3.19 V
3.17 V
3.22 V
3.41 V
2.51 V
2.50 V
3.21 V
3.19 V
2.94 V
2.99 V
LIGHT
ON: 3.13 V
OFF: 0.0 V
LIGHT
ON: 2.46 V
OFF: 0.3 V
0.0 V
4.06 V
external power
supply
3.21 V
3.5 V
C: 0.03 V
3.22 V
11 - 1

Icom IC-R5 Specifications

General

Brand	Icom
Model	IC-R5
Category	Receiver
Language	English