WorkingPro 12®™
(This is the model name for warranty claims)
4
SERVICE NOTES
1.
CHASSIS REMOVAL
is accomplished by re-
moving 6 finish screws from the top & sides of
the cabinet. Unplug the 1/4" speaker plug from
the rear panel jack. Slide chassis towards rear
of cabinet. Before completely removing the
chassis, unplug the 3-pin monitor cable from
the header on the main PCB. Cut any wire ties
securing the monitor cable. The chassis is now
free to remove from the back of the cabinet.
2.
MAIN PCB REMOVAL
is accomplished by dis-
connecting the three cable assemblies from the
PCB Assembly. Disconnect the power LED
from the chassis by either working the LED
loose from the chassis adhesive, or un-
soldering the leads from the board. Remove
the knobs, nuts, & washers from the 8 front
panel controls. Remove the nut & washer from
the input jack.
3.
I/O PCB REMOVAL
is accomplished by remov-
ing the following items: two screws at the XLR
jack, 6 nuts & washers at the 1/4" jacks, 3
standoff screws behind the DIN jack. Discon-
nect the two cable assemblies at the PCB
headers.
4.
POWER MODULE REMOVAL
is accomplished
by removing the cable from the 9 pin header, 7
fast-on connections, and two fast on connec-
tions to the speaker jack. Remove 5
threadforming heatsink screws from the under-
side of the chassis.
PCB EXCHANGE POLICY
Parts marked with a single asterisk (
*
) in the Part
Lists are not field replaceable. If a failure due to
one of these components is detected, please
contact the FMIC Customer Service Department to
order the complete Assembly.
