C28
R28
J8 J9
R31 JWl 57
LED1
J3lJ4 JllJ2
ns
J5lJti
Figure 41
25Watt Amplifier
Connectors and Connector Pins
PI, P2 and P3 = Do not exist.
P4 = 6-pin “Backup Audio Input” Connector. Used when a backup amplifier is involved.
l
P4-1 thru P4-3 connect via 733-579 harness to P9 of the backup amplifier, or to pins P4-4 thru P4-6 of the next
higher priority amplifier.
l
P4-4 thru P4-6 connect via 733-579 harness to P4-1 thru P4-3 on the next lower priority amplifier, or to PI 0 on the
backup amplifier (if backup amplifier supervision is used).
l
P4-1 and P4-4 = + Backup Audio.
l
P4-2 and P4-5 = - Backup Audio.
l
P4-3 and P4-6 = SHIELD.
NOTE:
For priorities, see note following Jumpers, Jl or J2 for this assembly.
P5 and P7 = 1 O-pin “Amplifier Status And Control” Connectors. P5 connects via 733-582 harness to P7 on the next
higher priority amplifier or, if this is the highest priority amplifier, to P7 on the backup amplifier (if applicable).
68
To Next Page
Loading...
