Yamaha UMX - Signaling System (Yum1 A;Yum2 A); Circuit Diagram

SIGNALING SYSTEM (YUM1A/YUM2A)
8-23
SIGNALING SYSTEM (YUM1A/YUM2A)
CIRCUIT DIAGRAM
PIN 1 4
Br R
3 2
WIRE COLOR OFF ON/(H/L SW.)
BB
B
B
R R R
B B
B
B B
B
RR
B
R
B
P P P
R
B
P B
P
R
R
R RRR
B
R R R
B B
R
B
B
B
R
R
RBr
Br
Br Br
R/W
Br Br
R R
BB
R/W
BBBBBBB
B
BB BBB
R
R
R
R/W R/W
R/W
R
P
Br
P
B
Br
B
R
R/W
Br
R/W
BB B
B
B
R/W
Br
R
R
B/R
B/R
R
P
B
R
P B
B P
RBr
Br R/W Br R/W
OGRG
G/W
B/W
B
/
Y
L
O/W
Br/W
PBB
R/W
Br
B/WB/WW/R
Y/R
BPR
R/W
OWBr
B
PB
R/Y
6
8
9
11
35
38
10
18
19
22
23
25
31
5
21