J
K
L
S17
EUP
S19
S18
EDN
M
N
CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4)
Component side view (J79-0212-09)
J79-0212-09
D/4
MIC2
+
–
S20
VR2
R140
O
P
Q
PC BOARD
J79-0212-09 A/4
R
S
KCH-16
RESET
SB
E
PS
ME
MIC
TRD
KVL
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
57
1
2
3
4
5
6
7
8
9
10
11
12
13
14