Kenwood TK-80 Service Manual page 73

A B C D
TK-80
PC BOARD
1
2
CONTROL UNIT (X53-3570-21) Component side view (J72-0381-12)
3
–
4
5
BA1
6
DGND 12
TOE
Q1
Q2
Q3
Q4
STD
7
DGND
5A
+
FSD
FSL
DGND 1
8
9
10
CN1
11
Ref. No. Address Ref. No. Address
IC1 8J Q5
12
IC2 9J Q6
IC5 6K D2
IC6 8O D3
IC7 7P D7
IC8 7G D8
13
Q3 4G D9
Q4 4H D10
14
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E F G H
CN3
R56
R55
Q3
R104
R103
R133
R132
L10
CN4
Ref. No. Address
4I D11 4K
4I D12 4K
6H D13 4L
8J D15 4K
4J D16 8D
4K D17 8D
4K D18 8E
4K
manuals search engine
I J K
Q5
60 41
61 40
R142
IC5
80 21
1 20
RESET
R60
R77 R42
R75
L M N O
CONTROL UNIT (X53-3570-21) Component side view (J72-0381-12)
CN6
C94
R82 R122
R120
R121
34
C34
44
C33
R58
1 8
IC6
4 5
CN5
P Q R S
TK-80
PC BOARD
33 23
22
IC7
12
1 11
J72-0381-12
Component side
Layer 1
Layer 2
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
14