Basic HTML Version
-8-
Diagnostic Procedures
DISPLAY TEST
1. Use MANUAL-DOWN and press ADVANCE. Displays should indicate all O's.
2. Use AUTO-UP. Displays should sequence from all O's thru all 9's. Comma
segments should come on when the odd digits are displayed.
3. To stop cycling, use Mfu~UAL-DOWN. Press ADVANCE to step through the tests one
number at a time. Use AUTO-UP to resume cycling.
SOUND TEST
1. (From Display Test) Use AUTO-UP and press ADVANCE. Test 00 should be
indicated in the CREDITS display and the MATCH display should sequence from 00
thru 06. A different sound should be produced for each number.
2. To continuously pulse a single sound, use MANUAL-DOWN. Press ADVANCE to
sequence through sounds one at a time. Use AUTO-UP to resume sequencing.
LAMP TEST
1. Refer to the Lamp-Matrix Table for lamp numbers and wiring. Driver-Board
connections at jacks 2J5 (columns) and 2J7 (rows) are also shown there.
2. (From Sound Test) Use AUTO-UP and press ADVANCE. Test 01 should be indicated
in the CREDITS display and all feature-lamps should flash.
SOLENOID TEST
1. Refer to the Solenoid Table for solenoid numbers and wiring. Driver-Board
connections at plugs 2P9, 2P11 and 2P12 are also shown there.
2. (From Lamp Test) Use AUTO-UP and press ADVANCE. Test 02 should be indicated
in the CREDITS display. The MATCH display sequences from 01 through 25.
Corresponding solenoids 01 through 24 are pulsed. The flipper relay is
de-energized with subtest 25.
3. To continuously pulse a single solenoid use MANUAL-DOWN. Press ADVANCE to
sequence through the solenoids one at a time. Use AUTO-UP to resume
sequencing.
SWITCH TEST
1. Refer to the Switch-Matrix Table for switch numbers and wiring. Driver-Board
connections at jacks 2J2 (columns) and 2J3 (rows) are also shown there.
2. (From Solenoid Test) Use AUTO-UP and press ADVANCE. Test 03 should be
indicated in the CREDITS display with the switch numbers sequencing in the
BALL-IN-PLAY display. As a switch number is displayed a sound is produced.
As a switch is opened, its number is removed from the sequence. When all
switches are open, the BALL-IN-PLAY display is blank and the sounds stop.