Pc Board; Switch Unit (X41-3682-70) - Kenwood TK-7180 Service Manual

A B C
SWITCH UNIT (X41-3682-70) : TK-7189 model only
Component side view (J79-0002-09)
J79-0002-09
SWITCH UNIT (X41-3682-70) : TK-7189 model only
Foil side view (J79-0002-09)
J79-0002-09
D E
1 2
D6
4 5
D5
7 8
D4
0
*
D7
C1
R3 R4
B
C Q1
E
CN1
2
SB
12KEY(12)
12KEY(10)
12KEY(8)
12KEY(6)
12KEY(4)
12KEY(2)
14
F G
TK-7180/7189

PC BOARD

3
D3
6
D2
9
D1
#
1
GND
BLC1
12KEY(11)
12KEY(9)
12KEY(7)
12KEY(5)
12KEY(3)
12KEY(1)
15
H I J
Ref. No. Address
D1 6F
D2 5F
D3 3F
D4 6D
D5 5D
D6 3D
Component side
Layer 1
Layer 2
Foil side
Ref. No. Address
Q1 10D
Q2 9E
Q3 9F
D7 9D
Component side
Layer 1
Layer 2
Foil side
1
2
3
4
5
6
7
8
9
10
11
12
13
55
14