Service manual
SIGNALING SYSTEM
7-19
EAS27270
SIGNALING SYSTEM
EAS27280
CIRCUIT DIAGRAM
Br/W
B
L/B
R/Y
B/Y
PG
Y
B
Dg
Ch
Br/W
L/Y
G/L
R/Y
B/Y
B
G
Y
B
Dg
Ch
B1 B2
B1
B2
R/G
B2
Lg
Y/L
R/W
B
B
B
L
G
G
Sb/W
R/G
Lg
Dg
R/W
Ch
Y/L
Y/L
Y
L
R/W
R/G
Lg
B
B
ON
OFF
B
B
B
RR
B
B
Y
L
B
G
L
/
G
L
/
G
B
(BLUE)
L/G
B
(BLUE)
(DARK GREEN)
B
B
B3
B3
W
L
B
L
W/Y
B/L
B
B
L
B/L
B
G
B
R/L
B
Y
B
G
B/L
Gy1
Gy
B
L
B/L
W/Y
L
B/L
B/L
Br/Y
Br/W
P/W
(BLACK)
(BLACK)
(BLACK)
(BLACK)
Br
B
Lg
Br/B Br/B
R/B
R/B
R/G
P/L
W/G
Br/L
B/Br
B/Br
P/Y
P/W
P/L
W/G
W/R
Br/L
R/G
P/L
W/G
Br/L
R/G
R/B
B/L
B/L
P/Y
L
Y/G
B/L
Y/G
L
Gy/B
B/R
G
G/RB/L
G
G/R
B/L
Gy/R
W/R
Gy/G
Sb/W
WG
(GRAY)
W
Gy
(DARK GRAY)
(BLACK)
(BLACK)
(BLACK)
Lg
L
Gy/R
Lg
BB
G G
G
W
B
Y
Y
D
B
B
B
L
L
D
Br BrBrB
D
(BLACK)
(BLACK)
(BLACK)
(BLACK)
B
B/Y
L/Y
(BROWN)
(BROWN)
Y
Br
W/B
L/W1
B/R
R/W
Y
Br
(BLUE)
(BLACK)
(BLACK)
R
R
(GRAY)
(GRAY)
R/W
L/W
R/B
B
B/Y
B
(BLUE)
Y
L/W1
B/R
R/W
Br
Y
L
B
LY
B
L
Y
B
Br
L
L
B
Br/L
Br/L
Br/L
R/B
G/Y
R/W
Br/R Br/G
R
Gy/R
R
R
B
R
R
R/B
Br/W
B
B
R
R
R
B
B
R
/
W
R/W
R
L
L
B
O
O
B/R
O
O
B/R
A
WIRE HARNESS
WIRE HARNESS
WIRE HARNESS
WIRE HARNESS
SUB-WIRE-HARNESS1
SUB-WIRE-HARNESS2
SUB-WIRE-HARNESS2
SUB-WIRE-HARNESS3
W
G
B
Gy
B
Gy
W
G
(BLACK)(BLACK)
B
Ch
BB
Dg
Ch
BB
Dg
C
LL
YY
Br Br
D
Y
Br
B
BB
LL
B
G/Y
Br/W
R/B
L
BB3 BB2
BB1BB4
BB
BB
Y
Y
G
G
L/R
L/R
B
B
(GRAY)
(GRAY)
(BLACK)
(BLACK)
Dg
B
B
L
Ch
B
B
Ch
B
B
Ch
B
Dg
Dg
(BLACK)
(BLACK)
B
B
B
Dg
Dg
G
G
Y/B
R/Y
G/L
R/Y
B1
BB4
BB3
BB2
BB1
Br/W
B/L
B/L
L
P/Y
Y
(BLACK)
L
B
Sb
B
Sb
R/L
L
/
R
L
/
Y
B
/
R
L
/
W1
Sb/W
Sb
R
L
(BLACK)
(BLACK)
B
R
B
BB
R
R
Br/L
Br/L
Br/R
Br/R
R
R/B
R/B
R/L
L/R
W/B
G/Y
Y/G
R/W
R/W
W/Y
Y
Br/Y
Br/W
L
Br
B/L
L/Y
L/W
Gy/R
B/R
Gy/W
B/R
B/R
W/R
B/GB/R
B/L
L
Lg
Dg
Ch
L
B
G
Y/L
R/G
R/L
B/L
R/W
Gy/G
Gy/W
Sb
Dg
Ch
Y
BB
WL
R/L
Gy/W
Gy/G
B/L
(GRAY)
(GRAY)
B
B
Ch
B
Ch
Br/G
Br/W
Br/W
B/G
B/R
B/G
B/R
G/R
Y/L
G
O
O
O
O
Gy
Y/B
Y/B
G/L
G/LR/Y
R/YR/Y
B
B
(BLACK)
BChDg
B
Br/W
Br/G
Y
B
L/R
L
B
Br/W
R/Y
Br
GyGyGy
B
W
W
B
C C
Gy1
W
R/L
B
B
B
B
/
Y
W/B
Br/R
Br/L
B2
B/L
Gy1
R/B
Gy/B
Gy/R
B/Y
Y
B
R
/
G
R
/
G
Y
/
L
R
/
W
Lg
B2
G/R
Dg
Ch
Dg Ch
Dg
Ch
C C
B
B
B
B
B/L
O
B/R
B/R
O
A
A
O
O
A
Br/BR/W
Y
Sb/W
R/L
L/W1
L/Y
L/G
Sb
L
/
R
B
/
R
B/Y
L
R
B
B2
Lg
R/W
Y/L
R/G
B/L
Br/Y
G/Y
Br/BB/R
Y/B
Gy
Lg
O
O
Gy/R
Gy/B
Gy/W
B/G
B3
B3
G
G/R
Y/G
Br/L
B/Y
Y/L
Gy1
L/R
L/Y
R/L
R/W
Y
W/Y
W/B
W/R
W/G
R/B
R/B
R/G
Br
Gy/G
Br/Y
P/W
P/L
P/Y
Br/W
B/Br
B/Br
B/L
L/W
L
P/W
(BLACK)
(BLACK)
B/L
L