Kenwood TK-80 Service Manual page 93

F
CONTROL UNIT (X53-3570-21)
1
2
3
4
5
6
7
8
9
10
5A
UDA
UCK
14V
9
5C
AMUT
14S
8A
DGND
CN4
Note : The components marked with a dot (
Downloaded from www.Manualslib.com
G
SEL-CALL-CN2
(OPTION)
CN2
2
1
1
6 5
5.3V
2
1
NC
5.3V 2
3 CS
0V
3
GND
0V 4
4
A1
5.4V
5
5 A0
6
NC
0V
7
FEN4
0V
8
1 FEN3
0V 9
2 FEN2
0V
10
3 FEN1
5.0V 11
7
4 VEN1
13
0V
6
13
5
C57
10
5.4V 1000p 0V
IC6
AT93C66A10SU27
EEPROM
0V 5.0V
MCS
10 1
PCK
2
R102
MDI
3
10k
PDA
4
ULK
5
13
9
manuals search engine
H
SCHEMATIC DIAGRAM
CN3
3
4
6
R95
33
NC
32 0.2V
RES
5.3V
31
D0
30 5.3V
D1
5.3V
29
IC7
D2
5.3V
UPD71055GB-3B4 28
D3
5.3V
I/O PORT 27
D4
5.3V
26
D5
25 5.3V
D6
5.3V
24
D7
23 5.0V
VCC
15
8
5
IC8
SN74ALS04BNS
BUFFER
1
2
3
4
14
0V
14
TX-RX-CN14
•
) are parts of layer 1.
I
FINAL-CN3
5.0V
1
R122
4
220
R123
3
220
R124
5
220
R125
6
6
1k
R126
4
220
1k
R127
3
3
220
1
R128
2
2
1
220
3
R129
1
4
220
5
6
7
R130
2
8
100 100
R131
1
4 100
2
1
R119
15 100k
R118
1
470
R117
7
8
220
R116
6
220
R115
5
220
R114
220
R113
220
R112
220
R111
4
220
R110
3
220
R109
2
5.4V
220
R108
2
220
R107
1
220
R106
3
220
14
J
TK-80
0V
CN6
0V
1
DGND
C94 0.1u
0V
2
DGND
5.0V
3
5A
C95 0.1u
14.0V
4
14S
C96 1000p
5.0V
5
ATI
C97 1000p
6
5.0V
SPED
C98 1000p
0V
7
APRE
C99 1000p
0V
8
ATA
C100 1000p
0V
9
PR11
C101 1000p
0V
10
PR12
C102 1000p
0V
11
PR21
C103 1000p
0V
12
PR22
C104 0.01u
0V
13
ATG
5.0V
14
VREF
C105 0.01u
0V
15
POD2
C106 0.01u
0V
16
POD1
0V
CN5
L8
16
GND
18u
C92 0.01u
0V
15
VDLY
C91 0.01u
0V
14
VB1
C90 0.01u
0V
13
VB2
C89 0.01u
0V
12
VB3
C88 0.01u
0V
11
ULK
C87 1000p
10
PCK
C86 1000p
9
PDA
C85 1000p
0V
8
PEN1
C84 0.01u
0V
7
PLS
C82 1000p 6
NC
0V
5
DEN1
C81 0.01u
0V
4
CASL
C80 1000p
0V
3
DEN2
C79 0.01u
0V
2
ABSL
1
0V
GND
83
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