SUPER CHAMP
®
XD
(This is the model name for warranty claims)
4
SERVICE NOTES
1.
2.
CHASSIS REMOVAL
is accomplished by first
removing the cabinet’s upper back panel. Then
remove the four (4) screws from the top of the
cabinet that secure the chassis. Disconnect the
¼” speaker plug from the speaker jack. Then
slide the chassis toward the rear of the cabinet.
MAIN PCB REMOVAL
is accomplished by re-
moving the IEC Connector, the fuse holder, the
speaker jack nut, the line out jack nut and the
two screws that hold the chassis’ rear panel to
the chassis. Remove the rear panel and the
vacuum tubes. Disconnect the ribbon cable that
goes between the main PCB and the uDSP
PCB. Remove all screws holding the main PCB
to the stand offs on the chassis. Then remove
the front panel knobs and the nuts holding the
controls to the front panel. Slide the front panel
PCB back away from the front panel. Remove
all the fast-ons connecting the main PCB to the
power indicator, the power transformer and the
output transformer. Now the main PCB can be
lifted up and out of the chassis taking advan-
tage of the slots in the back of the chassis.