Icom IC-M1V, Service Manual

Page: 32 / 39

RF UNIT
SCK
4V
PLST
SO
FRQCON
LVIN
4V
TEMPS
T4V
S4V
HV
4V
T4V
S4V
HV
UNLK
X1
CR-659
VCC1
1
IN1
2
ENB
3
CLK
4
DATA
5
T1
6
LOK
7
CP1
8
FI1
9
FO1
10
FO2
11
FI2
12
CP2
13
GND2
14
XO
15
XI
16
XB
17
VCC2
18
IN2
19
GND1
20
IC1
PD3140GS
R1
470k R2
47k R3
330
C1
0.01
C2
220p
C3
10p C4
12p D1
HVU17
C5
0.1
C7
0.001
R5
100k
R8
47k
Q1
2SK880
R10
1k R13
560
R6
1k
R4
NTCCM16084LH
47k
C6
0.001
R7
10k
R11
10
R19
1k
R20
47k
Q4
2SC4226
C24
0.001
C25
10
R23
8.2k
R26
390
R27
180
R28
68k
R29
680
L3
2.7 H
C33
220p
C34
0.001
C37
0.001
C31
1.5p
L5
0.1 H
HV
T4V
CP1
L29
80nH
R30
68k
R31
470
R32
39k
R33
390
R36
100
R3
3.3
L6
0.1 H
C44
0.001 C46
0.001
C39
0.001
L7
0.1 H
C42
0.001
R37
4.7k
H
T4
3
Q7
2SC4215 Q8
2SC4215
D7
MA77
D8
MA77 R35
1
R40
82
C40
22p
C41
12p
C43
18p
D16
HVU350
C105
1.5p
C110
0.001
C112
33p
C114
11p
C38
5p
R34
4.7k
C45
22p
R39
1.2k
R69
1M
R70
100k
R71
1M
R72
100k
R73
100
R74
4.7k
R78
100k L25
0.1 H C113
56p
L24
47nH
C111
5p
D18
HVU350 D17
HVU350
C109
8p
C108
100p
R4V
1stLO
L23
33nH
FI1
FL-310
Q2
DTC144EU
D2
MA77
R17
100k
Q5
2SC4226
Q6
2SC4215
Q15
2SC2714
D4
MA77
D5
HVU350 D6
HVU350
C27
0.001
R24
8.2k
L26
0.47 H
C19
0.001
C22
0.001 C23
0.0056
R22
1k
C28
0.001 C30
39p
C32
1.5p
C35
0.001
C36
0.3p
C118
120p
C119
0.001
C121
0.01
C126
0.01
C127
10
C128
0.01
R80
150
R82
10
R83
1.5k
R86
1.5k
R87
1k
R88
100k R89
470
FI2
FL-310
C123
6p
C120
0.001
Q14
3SK166
C117
0.01 C116
0.001
C29
47p
R9
100
R12
3.9k
C17
0.47
C21
0.0033 R15
15k
R16
100k
C13
2p
L2
6.8 H
C15
2p
R14
68k
C11
0.01 C9
9p C10
0.001
L1
82nH
C20
0.1
C18
0.1 C16
0.047
C8
9p
MODCON
MOD
R4V
4V
C129
10 C130
0.01
R90
10k
R91
6.8k
TXDET
DO
1
LD
2
CLK
3
DI
4
AO1
5
AO2
6
NC
7
GND
8
VSS
9
NC
10
AO3
11
AO4
12
AO5
13
AO6
14
VDD
15
VCC
16
IC2
M62368GP
C131
10
C132
0.01
R92
1k
4V
C104
0.001 C107
0.001
C133
0.001
SQLV
VOLOUT
VOLIN
VCC
HV
1
2
3
4
5
6
7
J2
C134
0.001
GND
4V
D19
MA8082 C136
0.001 C137
0.001 C138
0.001 C135
0.001
EXTSP
EXTSP/MIC
CLONE
MIC
MICE
PTT SWITCH
MONITOR SWITCH
CHASSIS
J2
MONI
S1
S2
T4V
4V
R1
10k
1
2
3
4
5
6
7
VOLOUT
VOLIN
SQLV
GND
HV
VCC
4V
SQL
VOL
POWER
VR UNIT
MAIN UNIT J1
1 TEMPS
2 IF
3 GND
4 2ndLO
5 VCC
VCC
6 MOD
7 MONI
8 PTTSW
9 LVIN
10 UNLK
11 SO
12 SCK
13 PLST
14 VOLIN
15 VOLOUT
VOLOUT VOLIN EXTSP CLONE 4V SQL
V
16 SQLV
17 MIC
18 CLONE
19 EXTSP
20 HV
21 HV
22 HV
23 MICE
24 DST
25 TXDET
MONI PTTSW
PTTSW
MICE MIC HV TXDET IF
26 GND
27 T4V
28 S4V
29 4V
30 R4V
J1
DST
IF
2ndLO
FRQCON
POWCON
SO
SCK
DST
T1 T2 T3 T4
MODCON
T3 T4
COMPLETE VIEW
SECTION 11 VOLTAGE DIAGRAM
11 - 1
4.3V (BX)
0V
1.1V
2.3V
2.6V (CH16 RX)
2.8V (CH16 TX)
4.3V
4.3V
4.3V
7.4V
21 25MHz