Icom IC-M506 Service Manual

10-1
SECTION 10 VOLTAGE DIAGRAM
*: Refer to the PARTS LIST for the value and name of component.
• LOGIC UNIT
CF20
CP15
J1
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
3738
3940
L1SS400
D3
L2SC4081
Q5
L2SC4081
Q4
LMV358IPW
IC2
1
2
3
4
5
6
7
8
100k
R67
470k
R63
NJM2211M
IC12
1
V+
2
IN
3
LOCK
4
GND
5
Q
6
Q
7
DATA
8
FSK
9
NC
10
REF
11
LOOP
12
R
13
CAP
14
CAP
1.8k R66
39k R64
DS3
L-C191KYCT
DS2
L-C191KYCT
10
R62
10
R93
100k R91
47k R95
1k
R105
47
R102
4.7k
R101
R75 12k
R76
47k
R77 47k
47k R106 2.2k R107
DS9
L-C191KYCT
DS8
L-C191KYCT
220k
R42
Q1
2SB1201
100k
R61
100
R34
39k R29
220k
R30
TC7W53FK
IC3
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
NJU7704F3
IC11
1
CD
2
VSS
3
MR
4
VOUT
5
VDD
100kR7
100k R10
CR-834
X1
10
R122
10
R124
MMZ1005S601CT
EP13
R121 10k
0
R125
L2SC4081
Q2
NJM2830U1
IC4
1
CTRL
2
GND
3
NC
4
VOUT
5
VIN
2SK880
Q7
J4
1
2
3
4
5
6
7
8
910
L2SA1576AS
Q6
100k R84
0.01 C87
0.001
C86
0.47 C72
0.01
C61
0.001
C51
0.001
C116
0.001
C115
0.01
C111
0.1 C91
0.01 C95
0.22 C65
0.0022
C66
0.1 C67
0.01
C64
0.01 C68
0.0022
C62 0.1 C63
0.033
C69
0.001 C92
0.1 C81
0.001
C74
0.01
C113
0.001
C114
0.001
C46
0.1
C47
4.7 C88
4.7 C85
10
C112
0.001
C55
0.001
C53
0.1 C54
0.068
C71
0.001
C166 0.001 C165
0.047 C35 0.047 C36 0.047 C37 0.047 C38
0.047 C32 0.047 C31
0.047 C33
0.1 C10
0.1
C1
0.1
C4
0.1
C7
0.01 C20
0.001
C15
0.1 C96
0.001
C82
24P
C43
24P
C44
0.1 C83
47k R83
0.1 C162
16k R65
27
R41
0.001
C84
0.001
C89
100 R86
100
R85
*R167
*C178
*R165*R166
*IC13
1
V+
2
IN
3
LOCK
4
GND
5
Q
6
Q
7
DATA
8
FSK
9
NC
10
REF
11
LOOP
12
R
13
CAP
14
CAP
*C179
*C175
*R164
*C177
*C174
*C176
*R163
J11
1
2
3
4
5
6
7
89
R126
47k
BR24T256FJ
IC14
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
10k
R72
10k
R71
0.1C57
TC7WH14FK
IC7
1
2
3
4
5
6
7
8
DS4
L-C191KYCT
DS5
L-C191KYCT
DS6
L-C191KYCT
DS7
L-C191KYCT
DS10
L-C191KYCT
TC7W02FU
IC5
1
2
3
4
5
6
7
8
0.001
C104
47k
R116
47
R117
47
R118
0.01 C102
J2
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
1k
R25
10k R127
0.047 C30 0.047 C29
SN74AHCT1G04DCKR
IC6
1
2
3
4
5
0.001
C105
0.1 C106
0.1 C101
100k
R22
1kR13
1kR14
1k
R23
100k R11
100k R19
CF20
CP16
J10
1
2
3
4
5
6
7
8
910
0
R6
47k R26
1k
R5
1kR3
SN74AHC1G125DCK
IC15
1
2
3
4
5
100
R4
100
R18
J8
12
34
56
78
910
11 12
13 14
100k R20
ISL81487IBZ
IC10
1
RO
2
RE
3
DE
4
DI
5
GND
6
A/Y
7
B/Z
8
VCC
27k
R27
*R28
0.047 C39 0.047 C40
0R35
CP19
CP20
CP21
CP17
CP18
CP14
CP12
CP31
CP37 CP32 CP36 CP35 CP34 CP33
CP5
CP4
CP3
CP6
CP2
CP1
R123 4.7k
1
C21
1
C22
1
C23
1
C24
0.01 C155
100kR12
KEY-D7
S1
KEY-D7
S5
KEY-D7
S9
KEY-D7
S8
KEY-D7
S12
KEY-D7
S2
KEY-D7
S3
KEY-D7
S11
KEY-D7
S6
KEY-D7
S13
KEY-D7
S10
KEY-D7
S7
KEY-D7
S4
100 R2
CP11
0.001
C56
100R24
100
R17
GND
CP50
PWSW
CP49
DIALB
CP48
DIALA
CP47
MPZ1608S101A
EP14
MPZ1608S101A
EP15
SN74AHCT1G32DCKR
IC17
1
2
3
4
5
TC7S08FU
IC8
1
2
3
4
5
GND
CP43
L3V
CP41
VOLV
CP42
SQLV
CP45
GND
CP46
L3V
CP44
KDS4148U
D5
0.068
C103
1k
R111
4.7k R112
PC357N6J000F
IC9
47k
R108
100
R15
470 R50 470 R52 470 R51
390 R45
390
R46 390 R47
DZ2J091M
D1
1
R115
R119
EZAEG2A
R120
EZAEG2A
1k
R21
0.01
C2
0.01
C5
0.01
C8
0.01 C11
0.01
C14 0.1 C13 0.1 C16
0.1 C19
0.001
C3
0.001
C6
0.001
C9
0.001
C12
0.001
C18
0.01 C17
0.001
C27 4.7 C26
J3
1
2
3
4
56
0
R221
47k
R128
470 R44
0.47
C52
470
R113
68
R88
1k
R92
DTA114EU
Q3
18k
R94
J9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
STM32F101ZGT6
IC1
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 99 100 101 102 103 104 105 106 107 108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
RD
DB7
DB6
DB5
DB4
DB3
DB2
DB1
ICF3
COMTXD
COMRXD
NJRST
JTDI
JTMS
JTCK
JTDO
JTDI
BE
JTMS
DSCIN
IOSTBO
NJRST
JTDO
DTEST
PTTINI
TXMSO
NCPDNBO
T5VSO
NCSYSRDYI
RRECSO
RNCPASSO
RPLAYSO
NCSDATA
PASTBYO
SCSTBO
SCDATAO
SCCKO
CMICAFSO
PTTCI
EVDATAO
CLSIF
CLSIF
COM1RXD
PAINMO
BEEPO
PONO
MIC-IN
MIC-G
DSCDECO
KEYV
PTTINI
MIC-IN
MIC-G
DSCDEC
WR
BEEPO
DSCENC
DSCOUT
BEEP
GND
CH16
MENU
CLR S1
S4 S2 S3
RIGHT
LEFT
ENT
UP
DOWN
DIMM
PTT
GND
GND
MIC
COM1RXD
WXDEC
ATISIN DSCIN
VER
ATISIN
BATTV
LVTX
MRSSIV
NOISEV
KEYV
NM1RXD
HORNO
NCSYSRDYI
NCSYSRDY
JTCK
NMEAO+
NMEAO-
NM1TXD
DB4
DB4DB5
DB5DB6
DB6
REXTM RINTM
RVS
TXMS
DB2
DB3
DTEST
CSB
RNCPASS
RXSPM
RXSPMO REXTMO RINTMO
RVSO
TXMSO
TEST2
DB7
PLSTBO
DASTBO
PLSTB
NM1TXD
COM1TXD
NCSCK
AISTXD
RNCPASSO
NRST
GPSRXD
SCRMOPT NM2KOPT
HORN
NCSDATA
NCSCK
AISRXDI
AISRXDI
NM2KOPTI
NM2KRXD
NM2KTXD
NM2KOPTI SCRMOPTI
NM1RXD
NM1RXD
SCSTB
PTTC
NCRESETBO
VCC
VCC
VCC
VCC
VCC
MICG
CLONETXC
COM1TXD
ICF3
COMRXD
SCRMOPTI
NCRESETBO
IOSTBO
NM2KRXD
PTTIN
ENT
RIGHT
DIST PWSW
T5VSO
PONO
SQLV VOLV NM2KTXD
ICF3
K
DB0
CSB
CLSIF
DSCDECO
RSTB
A0
RD
WR
PTTCI SCSTBO SDATAO SCKO SCCKO SCDATAO
SDATA
SCDATA
SCCK
SCK
TEMPV TDETV LVRX WXDEC
RSTB
TEMPV
UNLKI
TDETV
RINTMO
REXTMO
MRSSIV
AISCO
RVSO
SDATAO
SCKO
RXSPMO
HORNO MNCOUTSO
MNCPASSO
COMTXD
EVCKO
AFINMO
DASTB
IOSTB
PASTBYOIOOE
RPLAYS
RPLAYSO
RRECS
RRECSO
AISC
AISCO
MNCOUTS
MNCOUTSO
MNCPASS
NCPDNB
NCPDNBO
UNLK
MNCPASSO
UNLKI
CMICAFSO
CMICAFS
S1 S2 S3 S4 CH16
DIST
CLR MENU DOWN
CMDPWSW
LEFT
UP
EVCKO
EVDATAO
PAINMO AFINMO
EVCK
EVDATA
CLONETXC
DB0 DB1
NM2KRST
NM2KRST
AFINM PAINM
DIALB DIALA
LEDV
SP-
SP-
SP-
SP+SP+
SP+
SP+
SP-
BOOT
BOOT
CMDPWSW
CLONERXC
AISRXD
AISRXD
SQLV VOLV
DIALA DIALB
PWSW
CLONERXC
AISRXDI
NMEAI+
NMEAI-
NCRESETB
NM1RXD
PASTBY
NRST
NRST
A0
KEYM
NC1
WXDEC
DSCDEC
AISRXDI
HV
L3V
L3V
L3V L3V
L3V
L3V
L3V
VDD
DSC DECODE
TX
toNMEA2K
L3V5V
ATISDEC
VSS
VD1
VM
VO0
VX0O
VGI
ATIS DECODE
HV
Tx: 0.0 V
Rx: 5.7 V
3.3 V
11.8 V
5.0 V
12.0 V
2.25 V at 25ºC
11.9 V

Icom IC-M506 Specifications

General

Brand	Icom
Model	IC-M506
Category	Transceiver
Language	English