Basic HTML Version
A-12738-50001
Audio Board
Interboard Wiring
J506
1 2
1Q
20
30
J501-1
J501- 2
J501 - 3
.ls01 ·4
J501 - 5
J501 -
e
J501
-7
Gray-Green
(ISVAC)
from ):former secondary
Gray-Green (18VAC) loop from J!iOH
N/C
Gray
(iSVAC)
Irom xformer ~ndary
Gray
(lSVAC)
loop from
J50l-4
Gray-White
(18VAC) from
xlormer
secondary
Gray-White (1BVAC) loop
from
J501-6
[[
(I:
~:
I
JSOS
I I
J5041
4
1 4
1
J502 -
1 Gray (+5V)
from
Power Driver Board J114-3,4
J502-
2 WC
J502 - 3
Gray
(+5Vl
from
PowerD(lver Board J114-3,4
J502·4 Black (Grd) from Power Driver Board JI14-5,7
J502 - 5
Black (Ord)
Irom power Driver Board J114-S,7
J503 - Not Used
J504
-1 N/C
J504
-2
N1C
J504 -
3 Black (signal) to speaJ<er
J504·4
NIC
J505
-1 N/C
J505 ·2 Black-Yelow
(Sigo<!l)
10speaker
J505
-3 NIC
J505 -4
N/C
J506,
4-plnRibbonCable (data)
To/from J601; J903; J202
J507 -
Nol Used
JSOl
7
J50a ··1 NIC
J50a - 2. N/C
J508 - 3 NlC
J508 - 4 N/C
J509·1
N/C
J509 -2 NIC
J509 ~3
N/C
Speaker W1ring Diagram
Audio Board
•
r - - -
1------ ---1
I
Btack
I
I
I
Black-Yellow.
I
Inline Connector
I
I
~B~I=ac~k~
-4
~~ _ _~
.
L
~pea ke!:!an!! ..
J
L
cablne t
---J
~t'a(ula
3-138