Creative Engineering ROCK-A-FIRE EXPLOSION - Page 233

************* C. Character or Props Movement Problem ************
Symptom: Individual movements not working
Procedure Result
1. Manually override valve
at valve bank.
2.
Pin up bit on Long
Driver
Board.
3.
Check the
25 volts on
collector leg of trans.
4.
Exchange Long Driver
Board.
5.
Exchange Playback Board.
6. Unplug character cable
from the Tunnel and read
between 23/24 and the
proper pin.
7. Unplug cable at valve bank
and check for voltage
between proper pin number
and 23/24.
8. Check valve bank wiring
harness.
If it doesn't move - see
Mechanical Part 3, pages 3-004
See bit chart on pages 5-005
and 5-006, 5-037 - 5-046.
If there is not 25 volts on
transistor, go to step 6.
Repair or replace - see pages
5-005 and 5-006.
Adjust 3/4 bit, repair wiring
only or replace, see page
5-006.
If no 25v. - see charts on
Tunnel wiring and make repairs
See pages 5-006 and 5-037 thru
5-046, also 5-033.
Repair or replace cable, see
pages 5-006 and 5-007.
Repair or replace - see pages
5-006, 5-037 - 5-046, also
5-050 thru 5-052, and 5-056.
Symptom: Four or Eight Bits (movements) not working
Procedure Result
1. Exchange Long Driver
Board.
2. Exchange Playback Board
3. Check Playback Board
wiring.
4-o09
Repair or replace the board.
See pages 5-006 and 5-026.
Repair wiring only, or replace
See pages 5-006 and 5-029,
5-032.
Make repairs, see pages 5-006
and 5-029, also 5-032.