How it Works
Kenwood
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KCA-CM50
User Manual [en, fr, es]
57 pgs1.2 Mb0
Service Manual
8 pgs294.24 Kb0
Schematics
2 pgs121.05 Kb0
PARTS LIST
3 pgs99.2 Kb0
Service Manual
1 pgs46.96 Kb0
PC BOARD
2 pgs62.07 Kb0

Kenwood KCA-CM50 Schematics

A B C D E
KCA-CM50
1
2
3
4
5
6
MODULATOR UNIT CN101
1/2
A
GND
DATA
OUT
RESET
+6.6V
REMO
LCD
RESET
CLK
DATA IN
CN1
CE
IC2
1
+
C11
C10
0.022
10u16
1
D20
R32 470
2
3
RESET
4 5
D21
R33 1K
6
R31 1K
7
R30 470
8
R29 470
9
R1 330
R2 330
R3 270
R4 430
R5 270
R6 270
R7 270
R8 270
R9
D13
270
R10
D15
270
REMO. SENSOR
2
3
R34 1K
C9
+
47u16
96 98 99
100
D4
D5
D7
D9
D11
97
IC1
D1
C1 0.1
LC75808W
IC2 ::RS-21N
2SD2114K
Q2,3Q1::DTA144EK
D1,2:: D3
D22,23 MA111:
KI1
KI2
B30-1663-05 B30-1564-05 B30-1566-05D4-16 : DA204KD17-21 :
GND LINE
B LINE
21 -
D2
C2 0.1
D3
C3 0.1
D6
D8
D10
D12
Q2
D14
D16
4
Q3
47K
47K
R28
10
R35
10
D23 D22
6.7V
96 97 98 99 100
Q1
C8
2.2u16
R36
560
R37
R27 47K
R26 4.7K
KI1 KI2 KI3
KI4
+
33K
47K
R16 1K R17 1K R18 1K
R19 1K
C7
0.1 C6
C5
0.1 C5
0.1
C4
R20 43K
R21 10K
47K
R24 R25
R23
R22
580P
D19D18D17
4.7K
4.7K
4.7K
4.7K
100
76
77 78 79
80
81 82 83 84
85 86 87 88
89
90
91
92 93 94 95 96 97 98 99
KS5
R15 1K
R14 1K
75
74
KS5
KS6
KI1 KI2 KI3
KI4 KI5 KEY-ON P1 P2 ILLMI P3
REMO-ON P4 VDD VLCD VLCD0
VLCD1
VLCD2
VLCD3
VLCD4 VSS TEST OSC INH DO CE CL DI
S1
1
KI3
SRC
KI4
DISP 5643
KS1
KS2
KS3
KS4KS4
R13 1K
R12 1K
R11 1K 717372
KS1
KS2
KS3
S3S4S5S6S7S8S9
2
5
6
3
4
COM1
70
COM1
7
COM2
68
COM2
8
COM3
COM3
9
KS1
COM4
666967
COM4
S10
10
COM5
65
COM5
LCD DRIVER
S11
11
VOL+ VOL-EJECT
KS2
KS3
S60
COM8
COM6
COM7
595860
61
62
63
64
S60
COM8
COM9
COM6
COM7
COM10
IC1
S15
S16
S12
S13
12
13
S17
S14
15
16
14
17
S53
S54
S53
S54
S23
S24
232425
S52
S52
S50 S49 S48 S47 S46 S45 S44 S43 S42
S41 S40 S39 S38 S37 S36 S35 S34 S33 S32
S31 S30 S29 S28 S27 S26
S25
KS5
S51
51
S51
50
S50
49
S49
48
S48
47
S47
46
S46
45
S45
44
S44
43
S43
42
S42
41
S41
40
S40
39
S39
38
S38
37
S37
36
S36
35
S35
34
S34
33
S33
32
S32
31
S31
30
S30
29
S29
28
S28
27
S27
26
S26
KS4
S55
S56
S58
S59
S57
545352
55
56
57
S56
S18
S55
S58
S57
S19
S20
S21
S22
21
22
20
19
S59
18
S1
S2 S2
S5S7S6
S3
S4
S11
S8
S9
S10
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
7
CONTROL UNIT (1/2)
4
JIHGF
KCA-CM50
S50 S49 S48 S47 S46 S45 S44 S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26
COM8 COM7 COM6 COM5 COM4 COM3 COM2
COM1 S60 S59 S58 S57 S56 S55 S54 S53 S52
S51 S50 S49 S48 S47 S46
S45 S44 S43 S42
S41 S40 S39 S38 S37 S36 S35 S34 S33 S32
S31 S30 S29 S28 S27 S26 S25 S24 S23 S22
S21 S20 S19 S18 S17 S16 S15 S14 S13 S12
S11 S10 S9 S8 S7 S6 S5 S4 S3 S2
S1
68
67
66 65
64
63 62
61 60 59 58
57
56 55
54
53 52
51 50 49 48
47
46
45
44
43 42
41 40 39 38
37
36 35
34
33 32
31 30 29 28
27
26 25
24
23 22
21 20 19 18
17
16 15
14
13 12
11 10
LCD1
9 8 7 6 5 4 3 2
1
COM8 COM7 COM6 COM5 COM4 COM3 COM2 COM1 S60 S59 S58 S57 S56 S55 S54 S53 S52 S51 S50 S49 S48 S47 S46
S45 S44 S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1
2
1
e
bdc
ea d
bc ae
d
bac
ed
bac
ed
acb
de c
ab
de c
ab
dce
ab
dce
ba
ced b a
ecd
b
ea
cbd
a
RDM
DC CORD ASSY
CN2 CN1
3 BATT
1
2 GND
2
SHIELD
4 ACC
9 REC C
10 DATA C
576
4
3
R3
3
100
4
ZD2
5
6
R9
R10
8.2K
8.2K
ZD1
R8 10
C1
R4
10
ZD4
1000P
R2
100K
ZD3
R1
3.3K
1/2W
R5
R6R7
22K
22K
10K
D4
D5
D1
C2
22u25
IC1 : BA4910FP D1,3 : DSK10C-ET1
D2 : SB20-03P D4,5 : 1SS133
ZD1,3,4 : HZS6C2 ZD2 : MTZJ5.1B
COM1 COM2 COM3 COM4 COM5 COM6 COM7 COM8
S1 A-a-1
S6 S7 S8 S9
S10 S11
S12 S13 S14 S15
S16 S17 S18 S19 S20
S21 S22 S23 S24 S25
S26 S27 F-b-7F-b-5F-b-4F-b-3F-b-2F-b-1 F-b-6 S28 S29 S30
S31 S32 S33 S34 S35
S36 S37 S38 S39 S40
S41 S42 S43 S44 S45
S46 S47 S48 S49 S50
S51
AB GCDEF IHKJL
S52 S53 S54 S55
S56
REP
SCAN
S57 S58 S59 S60
A-b-1S2 A-c-1S3 A-d-1S4 A-e-1S5
B-a-1 B-b-1 B-c-1 B-d-1 B-e-1
C-a-1 C-b-1 C-c-1 C-d-1 C-e-1
D-a-1 D-b-1 D-c-1 D-d-1 D-e-1
E-a-1 E-b-1 E-c-1 E-d-1 E-e-1
F-a-1
F-c-1 F-d-1 F-e-1
G-a-1 G-b-1 G-c-1 G-d-1 G-e-1
H-a-1 H-b-1 H-c-1 H-d-1 H-e-1
I-a-1 I-b-1 I-c-1 I-d-1 I-e-1
J-a-1 J-b-1 J-c-1 J-d-1 J-e-1
K-a-1 K-b-1 K-c-1 K-d-1 K-e-1
L-a-1 L-b-1 L-c-1 L-d-1 L-e-1
A-a-2
A-a-3
A-b-2
A-b-3
A-c-2
A-c-3
A-d-2
A-d-3
A-e-2
A-e-3
B-a-2 B-a-3 B-b-2
B-b-3
B-c-2
B-c-3
B-d-2
B-d-3
B-e-2
B-e-3
C-a-2 C-a-3 C-b-2
C-b-3
C-c-2
C-c-3
C-d-2
C-d-3
C-e-2
C-e-3
D-a-2
D-a-3
D-b-2
D-b-3 D-c-2 D-c-3 D-d-2
D-d-3 D-e-2
D-e-3 D-e-4 E-a-2 E-a-3
E-b-3E-b-2 E-c-2
E-c-3 E-d-2
E-d-3 E-e-2
E-e-3 F-a-2
F-a-3
F-c-3
F-c-2 F-d-2
F-d-3 F-e-2
F-e-3 G-a-2 G-a-3
G-b-2 G-b-3
G-c-3
G-c-2
G-d-3
G-d-2
G-e-3
G-e-2
H-a-3
H-a-2
H-b-3
H-b-2 H-c-2
H-c-3 H-d-2
H-d-3 H-e-2
H-e-3
I-a-2 I-a-3 I-b-2 I-b-3 I-c-2
I-c-3
I-d-2
I-d-3
I-e-2
I-e-3 J-a-2
J-a-3 J-b-2
J-b-3
J-c-2
J-c-3 J-d-2
J-d-3 J-e-2
J-e-3 K-a-2
K-a-3 K-b-2
K-b-3 K-c-2
K-c-3 K-d-2
K-d-3 K-e-2
K-e-3 L-a-2
L-a-3
L-b-3
L-b-2 L-c-2
L-c-3 L-d-2
L-d-3 L-e-2
L-e-3
A-a-4
A-a-5
A-b-4
A-b-5
A-c-4
A-c-5
A-d-4
A-d-5
A-e-4
A-e-5
B-a-4 B-a-5 B-b-4
B-b-5
B-c-4
B-c-5
B-d-4
B-d-5
B-e-4
B-e-5
C-a-4 C-a-5 C-b-4
C-b-5
C-c-4
C-c-5
C-d-4
C-d-5
C-e-4
C-e-5
D-a-4
D-a-5
D-b-4
D-b-5 D-c-4 D-c-5 D-d-4
D-d-5
D-e-5 E-a-4 E-a-5
E-b-5E-b-4 E-c-4
E-c-5 E-d-4
E-d-5 E-e-4
E-e-5 F-a-4
F-a-5
F-c-5
F-c-4
F-d-5
F-d-4
F-e-5
F-e-4 G-a-4 G-a-5
G-b-4 G-b-5 G-c-4
G-c-5 G-d-4
G-d-5 G-e-4
G-e-5 H-a-4
H-a-5 H-b-4
H-b-5 H-c-4
H-c-5 H-d-4
H-d-5 H-e-4
H-e-5
I-a-4 I-a-5
I-b-4 I-b-5
I-c-4
I-c-5
I-d-4
I-d-5
I-e-4
I-e-5 J-a-4
J-a-5 J-b-4
J-b-5 J-c-4
J-c-5 J-d-4
J-d-5 J-e-4
J-e-5 K-a-4
K-a-5 K-b-4
K-b-5 K-c-4
K-c-5 K-d-4
K-d-5 K-e-4
K-e-5 L-a-4
L-a-5 L-b-4
L-b-5 L-c-4
L-c-5 L-d-4
L-d-5 L-e-4
L-e-5
A-a-6 A-b-6 A-c-6 A-d-6 A-e-6
B-a-6 B-b-6 B-c-6 B-d-6 B-e-6
C-a-6 C-b-6 C-c-6 C-d-6 C-e-6
D-a-6 D-b-6
D-d-6 D-e-6
E-a-6 E-b-6 E-c-6 E-d-6 E-e-6
F-a-6
F-d-6 F-e-6
G-a-6 G-b-6 G-c-6 G-d-6 G-e-6
H-a-6 H-b-6 H-c-6 H-d-6 H-e-6
I-a-6 I-b-6 I-c-6 I-d-6 I-e-6
J-a-6 J-b-6
J-c-6 J-d-6 J-e-6
K-a-6 K-b-6 K-c-6 K-d-6 K-e-6
L-a-6 L-b-6
L-d-6 L-e-6
A-a-7
A-b-7
A-c-7 A-d-7 A-e-7
B-a-7 B-b-7 B-c-7 B-d-7 B-e-7
C-a-7 C-b-7 C-c-7 C-d-7 C-e-7
D-a-7 D-b-7 D-c-7D-c-6 D-d-7 D-e-7
E-a-7 E-b-7 E-c-7 E-d-7 E-e-7
F-a-7
F-c-7F-c-6 F-d-7 F-e-7
G-a-7 G-b-7 G-c-7 G-d-7 G-e-7
H-a-7 H-b-7 H-c-7 H-d-7 H-e-7
I-a-7
I-b-7
I-c-7
I-d-7
I-e-7
J-a-7
J-b-7
J-c-7
J-d-7
J-e-7 K-a-7
K-b-7 K-c-7 K-d-7 K-e-7
L-a-7
L-b-7
L-c-7L-c-6
L-d-7
L-e-7
RDM
REP
SCAN
L1
1.2MHz
D2
IC1
1
5 2 3
4
+
0.47u25
C3
+
22u25
+
C4
KCA-CM50
GND LINE
B LINE
DTA144EK 2SD2114K
DA204K
1
2 3
4
F1 3A
F2 3A
ACC
ANT CONT
GND
BU
1
2
D3
3
4
5
6
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall
be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units.
CONTROL UNIT (2/2), DC CORD ASSY (1/1)
7
5
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