Creative Engineering ROCK-A-FIRE EXPLOSION - Page 243

******************* F. Miscellaneous Problems *******************
Symptom: Background Music will not mute or on all the time
Procedure Result
1. Jumper between red and
black binder post of
the DBX box.
2. Unplug the DBX Tape
Select cable from the
rear of the DBX box
and read voltage
across pins 2 - 3
of the molex connector
on the box.
If it works, check the w1r1ng
from the DBX Box back to the
background music source. See
pages 5-024 and 5-011, also
5-069.
If it switches from 25 volts
D.C. with the show tape
operating and 0 volts when
Houselights go bright, DBX is
source of problem - see
pages 5-003 and 5-019 thru
5-024.
Symptom: Dual Pressure Manifold does not operate
Procedure Result
1. Manually override
Dual Pressure Manifold
with switch located on
the manifold.
2. Pin up bit 40 in the top
drawer or bit 60 in the
bottom drawer.
3. Take a reading on the
output of the gray wire
tying the top drawer to
the bottom drawer.
4-Ql9
If it does not work, see
Mechanical section pages
2-004.
See bit chart pages 5-037 thru
5-046.
Repair or replace Long Driver
Board, see pages 5-005 and
5-011, also 5-082.