Kenwood TK-290 Service Manual page 53

A
B C D
CONTROL UNIT (X53-3930-XX) -11 : K -12 : K2 Foil side view
D/6
J72-0705-22 A/6
Ref No. Address Ref No. Address Ref No. Address Ref No. Address
IC1 7J IC6 11H Q7 8I D11
IC2 11G IC7 11F Q8 9I D12
IC3 9L IC10 11H Q14 8L D13
IC4 12H Q5 9J Q15 8I D14
IC5 11H Q6 8J D2 9J D15
E
F G H
Ref No. Address
IC101
D101
R4
C12
+
R18
R31
C13 C14
R20
R5 L9
R19
C43
R14
R2
R8
R7
R6
IC6
4 3
C27
5 1
R26
C22
C29
4 3
R28
IC5
D16
5 1
C28
R27
4 3
5 1
IC4
Ref No. Address
9F D16 12G
9H D17 9G
9G D18 9E
9F D19 9H
12N D20 9G
J
I K L
64 49
1
+
5CM
BLED
R103
TXLED
LAMP
R104
DI
CL IC101
CE
Q7
Q6
KI2
TOGGLE
DGND
16
17 32
3L
2J
C45 C46
1 2
1 16
L3
CN4
L4
IC1
8 9
Q15
S
D
G
S
D
G
Q7
C41
R13
R12
Q8
R33
R32
R17
C2 C31 R44
R1
R3 R43 R36
C32
C19
33 CN1 1
R62
53
O
M N P
PC BOARD VIEWS
R106
R108
48
TOGGLE
33
DGND
F/6
B/6
R45
R46 Q6
KI1
PTT
R47
PTTE
Q7
R59
Q8
R48
D15
R49
S
Q R
TK-290
1
E/6
2
3
4
5
6
C34
7
8
9
10
11
12
Component side
Pattern 1
Pattern 2
13
Pattern 3
Pattern 4
Foil side
54
Connect 1 and 4
14