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CA-755 (UC)
CA-755 (J)
CA-755P (CE)
1
19
IMCOM IN(X)
20
IMCOM IN(Y)
INCOM IN (G)
21
2
3
RF AUDIO(X)
4
RF AUDIO(G)
18
MIC2(X)IN
22
NC
16
MIC1(X)IN
17
MIC1(G)IN
3
50
+7.5V IN
49
+7.5V IN
1
GND
2
GND
9
CHU DATA IN(X)
15
V REF
14
MD ADJ.
ON
13
POWER
OFF
12
EXT DC
IN
4
10
CHU DATA IN(G)
2/2
GND
2/2
+7.5V
2/2
INCOM +7.5V
2/2
INCOM TALK ON
5
A
B
L2
22µH
R17
1k
C8
C13
15
0.1
16V
:TA-CB
R18
1k
C27
330p
C24
EF1
1
50V
;BP
IN
OUT
GND
R25
EF2
S1
2.2k
IN
OUT
GND
C25
R26
1
2.2k
50V
DYNAMIC
;BP
C28
330p
R32
2.2k
CARBON
EF3
EF4
IN
OUT
GND
IN
OUT
GND
Q7
L3
22µH
2SC1623
C9
C6
0.1
15
EF6
16V
:TA-CB
R28
22k
IN
OUT
RV1
C14
GND
10k
1
3
25V
TA-CA
2
Q7
1
R10
R29
R30
22k
100k
0
C17
R31
1
22k
25V
:TA-CA
RD3.3UH-T1
E1
C22
6.8
16V
C26
:TA-CA
15
L5
16V
22µH
:TA-CB
C29
0.1
EF8
IN
OUT
D5
GND
,N'M
EF9
3
1
2
IN
OUT
GND
Q1
IC1(1/2)
2SB624
TLC27M2
Q1
R39
R11
,N'M
R5
47k
D1
47k
C16
C2
RD5.1M-B
10
0.1
10V
:TA-CA
C21
R40
8
R12
33
,N'M
3
2.2k
16V
1
:TA-CC
1
2
4
R6
R13
47k
47k
C4
C20
6.8
4.7
16V
10V
:TA-CA
:TA-CA
C
TR-101 (1/2)
TR-101 (1/2)
Q11
Q13
Q15
Q14
Q16
IC9(1/2)
Q19
Q20
2SC3115
2SK94
2SK94
2SC1623
2SC3115
NJM2041
2SC1623
2SA812
Q19
TP1
R52
R64
15k
15k
R99
3
6.8k
1
9
2
R81
R62
220
100
R92
Q16
22k
Q20
C45
Q11
150p
Q15
R45
R71
Q13
NORMAL
S
100
39k
2
6
R93
4
3.9k
C59
S3
S
3
1
5
4.7
10V
C34
RV2
C42
R72
TA-CA
LOW
33
500
0.01
39k
10V
3
;BP
1
C43
C46
2
D16
R42
R48
1
,N'M
R94
1SS123
2.2k
22k
R61
50
1k
R56
1M
:BP
100k
R73
10
Q14
C32
10
R53
R65
R95
R105
10V
22k
22k
22k
1k
:TA-CA
R57
100k
DYNA.LEVEL
Q17
L6
LV1
22µH
2SC1623
3µH
7
4
3
C40
C52
33
R66
R80
82p
2
16V
10k
22k
;CH
:TA-CC
5
1
C54
82p
6
;RH
D11
1SS123
R68
100k
D13
3
KV1470
Q17
C37
1
25V
TA-CA
2 1
D14
1SS123
L8
22µH
R67
C47
C48
R78
R82
33k
120p
0.1
22k
10k
MIC DEV
6.2M TUNE
D8
IC4
IC6
Q18
Q21
TC4SU69F(TE85R)
MC14020BF-T2
2SA812
2SA812
R49
R58
R83
4.7k
3.3M
1k
16
R84
R75
C50
10k
5
68k
0.1
V
dd
2
4
10
4
4
CK
6
Q6
R74
R89
:TA-CA
100k
10k
RS
V
3
SS
C33
10
D8
6.3V
R60
5
11
8
R76
R79
Q18
:TA-CA
330k
270k
11k
:RN-C
R97
12k
C51
X1
C49
330p
C35
C39
0.022
C55
33p
33p
10
10V
:TA-CA
R100
1k
1
16
CLKA a
V dd
14
13
R85
R47
2
68k
C56
CLKB
a
,N'M
C36
0.1
R101
7
,N'M
5
R59
3
F
10k
1
,N'M
R86
4
7
R77
1M
5
2
22k
1/16W
8
GND RSTa
3
R63
47k
R88
Q21
9 10 12 15
C53
47k
C57
0.01
1/16W
0.01
IC5
IC7
,N'M
MC14018BF-T2
6.2M TUNE
DATA RF LEV
7-6
7-6
D
E
Q24
IC9(2/2)
Q29
2SC1623
NJM2041
2SC1623
L9
22µH
7
C73
4
3
33
R135
R150
C84
C86
16V
10k
22k
68p
68p
2
RV4
:TA-CC
D22
;CH
;RH
10k
1SS123
5
1
3
D23
6
KV1470
2
3
R139
1
100k
LV3
C70
3µH
1
Q29
3
25V
1 2
TA-CA
2
RV5
C88
10k
390p
L10
D24
1
22µH
1SS123
Q24
8
R136
C78
C80
R147
R154
27k
68p
0.1
22k
15k
5
7
9
6
C71
R108
0.1
100k
4
SIDE TONE
INCOM DEV
7.1M TUNE
Q25
Q32
2SC2714
2SC1623
L11
22µH
C60
220p
R117
C68
33k
0.1
C79
C81
15
0.1
R109
16V
2.2k
:TA-CB
RV12
10k
3
R102
680
Q25
2
Q32
TP2
C82
1
1
25V
TA-CA
R122
R130
470
470
C58
390p
R118
R123
33k
2.2k
R172
CF1
100k
SFSH6.2MDB
R155
22k
Q26
Q28
L12
2SC1623
2SC1623
10µH
LV2
R137
C77
3
Q28
10µH
33k
10
R106
R110
6
10V
180k
15k
2
:TA-CA
7
D18
KV1470TL00
C72
R133
TP3
1
220p
2.2k
R112
3
:CH
R141
R158
100k
C67
620
620
C62
47p
1
R124
:RH
R138
25V
22k
68k
Q26
2
1
R129
680
D17
D20
R140
5.6k
R107
C65
3.9k
0.1
C69
390p
C63
C64
10
68p
R121
R127
10V
R113
22k
13k
:TA-CA
22k
D17
D20
CF2
5.6M;FREQ ADJ
1SS302-TE85L
1SS302
SFSH5.6MDB
C61
10
10V
:TA-CA
F
Q34
2SC2714
R169
33k
C89
220p
R163
R166
Q34
390
2.2k
TP4
C93
R177
0.1
470
R170
R183
33k
470
CF3
SFSH7.1MDB
R176
2.2k
R171
22k
C94
1
25V
TA-CA
C91
R174
1
22k
25V
:TA-CA
CA-755/755P
G
H
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