Kenwood TKR-851 Service Manual page 58

A B C D
TKR-851
PC BOARD
1
FINAL UNIT (X45-3742-71) Foil side view (J72-0911-09)
2
3
4
5
6
7
8
9
10
Ref. No. Address
IC1 7J
11
IC2 9O
Q9 8O
D10 8O
12
13
14
E F G H
J72-0911-09 (A/2)
I J K L
R53
R52
4 3
IC1
6 1
R51
R6
M N O P
PC BOARD
FINAL UNIT (X45-3742-71) Foil side view (J72-0911-09)
C115
C114
C105
R50
C98
C15
C19
C99
C101
IC2
I
G
O
+
C103
C102
Q R S
TKR-851
1
2
3
GND 4
Back up battery
Main DC
+B2
GND +B1
5
6
7
8
GND
9
+B2 +B1
J72-0911-09 (B/2)
10
Component side
Layer 1
11
Layer 2
Layer 3
Layer 4
Foil side
12
13
14