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WILLIAMS ELECTRONICS GAMES also provides a series of diagnostic tests to aid the operator in
determining game condition (that is, whether the game's features and highlights are operating
satisfactorily).
These tests activate virtually all the electronic and electromechanical
devices
comprising the game, so that the operator can readily locate a malfunctioning device or simply verify
that all devices are working proper1y. In order, these tests deal with the music, the displays, the game
sounds, the lamps, the solenoids, and the switches.
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TEST IDIAG NOSTle PROCEDURES
In addition to the diagnostic testing. a feature called the Auto Burn-in Mode is available. Activating this
mode enables the operator to observe the game while all of the diagnostic tests,
except the switch
tests,
occur. This can be very helpful in locating 'intermittent' problems.
Activating either the entire test series or one of the individual
tests requires use of the Game
Adjustment! Diagnostic switches. Open the coin door for access to these switches. To proceed to
the Diagnostic Tests, the operator must simply switch the game On, set the AUTO-UP/MANUAL-
DOWN switch to MANUAL-DOWN, and press the ADVANCE button.
(C~ UJJirO© IN.l
The System-11 B game program
greatly aids the operator and service personnel: At the beginning of
the TesVDiagnostic Procedures (and also at game Turn-On), the player score displays now signal,
wtth a message (-Press ADVANCE for Raport") that the game program has detected a problem that
affects game play. Messages for
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include "Adjust Switch
lIft,
"Pinbalt Missing~,
"Car Up Error", "Car Down Error", "Divsrtsr In Error", "Diverter Out Error", and Music Failure". Refer to
the text on Problem Analysis Messages at the end of the TestlDiagnostic Procedures for more
details concerning the messages' meaning. To proceed w~h the TesVDiagnostic Procedures, use
AUTO-UP, and press ADVANCE.
MUSIC
TEST.
t.
In the Music Test, observe that the upper displays show the message, MUSIC TEST. Switching
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to AUTO-UP, observe that the message now reads MUSIC OFF, and that the lower display
shows
00 00.
Press the Credit button to select the desired music selection:
01 -
'Main Theme'
through 05 - 'Hi. Score Theme'
(the selections repeat). Adjust the volume control for proper
sound level for the game location.
2. Use the AUTO-UP position.
DISPLAY
TEST.
1. To initiate the Display Test, press ADVANCE.
Observe that upper display briefly shows the
message, DISPLAY TEST, and that the lower display shows
01
(the Display Test identifier).
2. Use AUTO-UP. Observe that all displays begin a display cycle of all Os through all ss, one digit at
a time. Verify that the proper comma segments light during display of the odd-numbered digits.
Next. a special "all segments" character 'walks' from left to right across each player score display.
3.
To halt the display cycle, use MANUAL-DOWN.
Then, press ADVANCE to step through Ihe
sequential digit display, digit by digit, and the subsequent "all segments" characters display
lest. Use AUTO-UP
10
resume cycling, and to proceed to the next test.
SOUND
TEST.
1. (From Display Test) To initiate the Sound Test, press ADVANCE.
Observe that the upper
displays show the message, SOUND TEST, and that the lower display shows 02 (the Sound
Test identifier). The lower display shows a series of test steps from
00
through 07. Verify that a
different sound is heard each time the number in the display changes.
2. To repeatedly pulse a single sound, use MANUAL-DOWN.
Verify that one particular sound
repeats. Press ADVANCE to step to the next sound, which repeats until ADVANCE is pressed
again. Use AUTO-UP to resume cycling the sounds, and to proceed to the next lest.
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