Icom IC-M32 Service Manual - page 28
11 - 2
FCON
PCON
VCC1
IN1
ENB
CLK
DATA
T1
LOK
CP1
FI1
FO1
GND1
IN2
VCC2
XB
XI
XO
GND2
CP2
FI2
FO2
OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN
MIXIN
GND
N-REC
N-DET
RSSI
IFOUT
QUAD
AFOUT
3
4
1
1
2
3
4
5
6
7
8
VIN1
VOUT1
VPUT2
VIN2
VDD
LD
CLK
DI
VIN3
VOUT3
VOUT4
VIN4
VIN8
VOUT8
VOUT7
VIN7
GND
RESET
VDAREF
DO
VIN6
VOUT6
VOUT5
VIN5
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
16
15
14
13
12
11
10
9
2
5
6
8
9
10
7
18
17
20
19
16
15
13
12
11
14
V5V
C65
100 P
5
4
Q25
2SC4215 Y
1
5
4
2
3
CTRL
GND
NB
VIN
VOUT
MP20
VCO CIRCUIT
MODC
PCON
6
1
5
2
4
3
6
5
4
1
2
3
CP80
1
2
3
Q240
DTC144EUA
TEMPV
TEMPV
FCON
FCON
UNLK
UNLK
PLST
PLST
SCK
SDATA
1
2
3 4 5
R3
10 k
R4
47 k
2nd Lo
MODC
FI170
CFWM450E
C181
0.1
C179
120 P
SQLO
VOLO
VOLIN
DAST
SCK
SDATA
DAST
SCK
SDATA
5V
C180
120 P
DET
DET
R172
470
R176
6.8 k
R173
1.5 k
C170
0.001
R174
220 k
C178
0.22
R175
47 k
R193
470
C194
0.01
C191
0.01
C177
0.1
C176
0.001
C175
0.001
C3
220 P
R7
47 k
R22
560
L21
2.7
µH
L22
80 nH
C44
0.001
C32
1.5 P
C37
0.3 P
V5V
T5V
T5V
T5V
T5V
EP2
EP3
L57
22 nH
L56
8.5 nH
C72
0.001
C74
0.001
D52
1SV307
L58
2.7
µH
ANT
C80
0.001
L81
30 nH
C84
11 P
C89
7 P
R80
82 k
R380
15 k
C87
0.5 P
R81
22 k
R382
2.7 k
D80
RB706F
D91
RB706F
L82
32 nH
L80
50 nH
R100
1
D50
MA77
R96
220
R65
150 k
PCON
C51
22 P
C54
15 P
T5V
C58
0.1
R67
100 k
R68
100
R69
15 k
1
2
3
VCC
TXMS
L51
82 nH
R5V
R5V
C39
12 P
C43
22 P
C42
5 P
1st Lo
C121
0.001
L120
82 nH
L121
56 nH
C142
12 P
C140
12 P
L133
80 nH
C138
13 P
C137
2 P
D130
MA77
V5V
R5V
R227
10 k
R385 1 k
VCC
R230
27 k
C134
1 P
C133
13 P
L130
82 nH
L122
4.7
µH
L150
0.82
µH
C131
12 P
C104
47 P
C102
12 P
L94
80 nH
C100
12 P
D92
MA77
C99
2 P
C97
1 P
C96
12 P
L91
82 nH
C94
12 P
C92
47 P
BPFS
T5V
T5V
C108
47 P
L95
0.1
µH
C40
15 P
MOD
PCON
MODC
PCON
R24
100 k
R25
100 k
L20
82 nH
R8
1 k
R9
10
CP1
R170
390
R5V
NOISV
BEPST
RSSIV
C171
82 P
R5V
5V
5V
5V
X1
CR-766
5V
C1
0.1
R1
47 k
R2
100 k
C2
0.01
D1
HVC376BTRF
C4
18 P
C7
0.01
C8
2 P
C9
2 P
L1
6.8
µH
C12
0.001
C5
15 P
R6
1 k
C6
0.001
R20
100
C20
0.001
C21
9 P
C10
0.047
X170
CDBC450CX24
C174
0.001
R171
1.2 k
C160
0.0056
R155
1.5 k
C153
0.001
C152
0.022
R151
3.3 k
C154
0.001
C150
0.001
R150
100
C143
0.001
R134
120
R133
10 k
C141
5 P
C139
33 P
L132
80 nH
R233
2.2 k
R235
330 k
DS240
FY1101F-TR
R240
100
R241
680
R242
680
DS244
SML-311YT
DS245
SML-311YT
DS241
FY1101F-TR
DS242
SML-311YT
DS243
SML-311YT
R130
10 k
L131
82 nH
C151
56 P
R10
2.2 k
C24
0.1
C25
0.001
C27
39 P
C28
0.001
C30
0.001
C11
2.2
C22
9 P
C26
47 P
R23
1 k
D20
MA2S077
D21
MA77
C31
0.001
R29
390
R30
68 k
C36
0.001
R31
680
R32
390
C50
0.001
R53
100
R52
4.7 k
C52
0.001
R55
3.3 k
C61
33
C62
0.001
C63
470 P
C67
470 P
L55
31 nH
MP50
R75
100
R71
100
C70
91 P
C75
22 P
C71
30 P
C82
18 P
C380
0.001
C81
18 P
C83
22 P
C85
24 P
C86
9 P
R82
10 k
C88
0.001
C68
47 P
C73
0.001
R76
150
R72
47
L53
18 nH
R384
2.2 k
C59
470 P
C60
0.001
R70
15 k
R383
12 k
R381
10 k
R73
1 k
R74
10 k
C66
0.01
C64
0.001
R54
33
L50
0.1
µH
L24
0.1
µH
L25
0.1
µH
L23
0.1
µH
C38
0.001
R34
470
C41
0.001
R35
68 k
C122
15 P
C132
33 P
C110
0.001
C109
470 P
C105
0.001
R94
33 k
R93
1 k
D93
MA728
C103
5 P
C101
33 P
L93
80 nH
R91
1 k
R90
10 k
L92
82 nH
C95
33 P
D353
MA728
C93
4 P
D90
1SV307
C115
0.001
[M31]
C91
10 P
C90
9 P
C240
0.001
R115
47
[M31]
C98
0.001
C130
5 P
C107
0.01
C106
470 P
R95
100
C123
10 P
R121
10 k
C120
0.01
R120
2.2 k
D51
MA77
R50
1 k
R56
1.2 k
C53
0.001
C55
24 P
C381
0.001
R66
47 k
C56
0.01
C57
0.1
R57
82
R386
10 k
R33
39 k
R26
8.2 k
C33
220 P
R28
180
R27
8.2 k
C34
1.5 P
D22
HVU350B
D23
HVU350B
C35
0.001
R36
1 k
C29
0.001
R5
330
VCC
AFV
CP240
CP241
5V
GND
L90
50 nH
T5V
TDETV
VCC
T5V
VCC
VCC
VCC
DET
NOISV
MOD
BEPST
RSSIV
5V
DAST
SQLI
SQLO
BEEP
BEPST
SCK
SDATA
MCON
BEPO
BEEP
R192
390
C192
10
R194
100 k
C193
0.01
R131
1 k
BPFS
BPFS
R222
10 k
R220
10 k
R224
10 k
R223
4.7 k
R221
4.7 k
R225
4.7 k
5V
C226
0.01
CPU5V
AFV
AFV
CPU5V
R228
22 k
C159
0.01
C156
0.001
FI151
FL-363
FI150
21R15AB
R153
1.5 k
R152
1.5 k
5V
BEEP
AFV
CPU5V
AFV
CPU5V
CPU5V
R156
470
C155
6 P
R154
100 k
C158
0.001
C157
0.022
C136
0.001
R132
10 k
C220
22
C221
0.01
C222
0.01
C223
0.01
T5VS
5VS
V5VS
R5VS
C224
22
R226
2.2 k
C225
0.22
C227
22
C228
0.001
C229
0.001
C230
10
R231
1 M
C231
1
R232
1K
C232
0.1
R234
3.3 k
C233
0.01
R236
150 k
R245
1 k
BTYPE
TDETV
TXMS
BATTV
LEDS
LEDS
AFVS
C135
0.001
+
CP245
Explanatory notes
+B LINE
TX LINE
RX LINE
AFV
B
C
BEEP
BEPO
AFV
VOLO
BEEP
BEPO
NOISV
BEPST
VOLIN
RSSIV
MOD
DET
5V
A
B
C
CPU5V
IC190
M62363FP-650C
IC170
TA31136FN
Q53
RD01MUS1
Q351
DTA144EUA
Q54
RD07MVS1
IC50
NJM2125F
Q50
2SC4226 R25
Q21
2SC4226 R25
Q22
2SC4226 R25
Q23
2SC4215 Y
Q220
2SA1588 GR
Q221
2SA1588 GR
Q222
2SA1588 GR
Q223
DTC144EU
Q225
2SB1132 Q
IC220
NJM2870F05
Q224
XP6501 AB
Q90
2SC4226 R25
Q24
2SC4215 Y
Q20
DTC144EUA
Q151
2SC2714 Y
Q150
3SK299
IC1
µPD3140GS
Q230
2SB1132 Q
Q231
XP6501 AB
MAIN UNIT
COMMON LINE
5W TX : 2.29V
1W TX : 0.65V
3.58V
RX : 3.57V
RX : 1.45V
RX : 4.20V
RX : 0.91V
RX 3.21V
RX : 0.79V
CH16 RX : 4.96V
CH88 RX : 0.00V
5W TX : 3.02V
1W TX : 2.33V
Power Save OFF : 5.00V
7.5 V
Back-Light ON :
3.82V
Back-Light ON :
3.91V
4.98V
AF Mute OFF :
7.48V
TX : 4.93V
RX : 4.96V
Power Save OFF : 4.96V