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Model 12255 has the ability to run on either 9 Volt battery or an external power supply
.
The included stereo input jack acts as a switch for the battery if it is in place so that you do not
drain power unless a cable is plugged in. Insert the input jack into the left side of the housing
with the tip connection facing down, as shown in the diagram. Add the washer and thread the
nut on to the shaft enough so that the pot can rotate freely.
Orient the jack as shown in the diagram.
Solder the wire on the left side of the PCB
to the lug that corresponds with the tip
connection. The tip lug should be the one closest to the
outside wall of the enclosure.
Solder the wire on the right side of the PCB to the sleeve lug,
which is the center lug of the three lugs as shown in
the diagram.
Now, solder the black wire that is coming from the battery clip
to the ring lug, which will be the right most lug.
Once the solder has cooled, orient the jack as shown in the
diagram, make sure none of the connections on the jack
are shorting to any other components, and tighten the
nut on the jack.
INSTALL THE
INPUT JACK
FOR MODEL
12255
(with battery
option)
18
18
TIP
LUG
SLEEVE
LUG
RING
LUG
RING
SLEEVE
TIP