Basic HTML Version
FIGURE
IV.
SELF-DIAGNOSTIC TEST MPU A4
]
ROUTINE
MAINTENANCE CHECK
(1
-
I
REFER TO
'TROUBLE SHOOTING ON LOCATION'
-
,
CORRECT FAULT
(
POWER-UP:
TURN OFF POWER
I
TURN eN POWER
'---
t
LED ON MODULE
NO
SEE SYMPTOM ~1, PAGE 13
A4 FLASHES ax
--
,
YES
PRESS SELF-TEST BUTTON
)
ON INSIDE OF FRONT DOOR
TO ENTER COMMUNICATIONS TEST
t
~
02,04,08,10,20,40,80
DISPLAYED
NO
SEE SYMPTOM "2, PAGE 13
•..
l
IN BOTH COLUMNS
-
,
YES
PRESS SELF-TEST BUTTON (AGAIN)
TO ENTER LAMP DRIVER MODULE TEST
"
,
ALL FEATURE LAMPS LIGHT.
NO
SEE SYMPTOM ~3, PAGE 13
..
FLASH ON AND OFF?
-
,
YES
PRESS SELF-TEST BunON (AGAIN)
TO ENTER SOLENOID DRIVER MODULE TEST
,
ALL SOLENOIDS'
PULL-IN"
NO
SEE SYMPTOM ~5, PAGE 14
_,."
IN SEQUENCE?
•.
-
YES
PRESS SELF-TEST BUTTON (AGAIN)
(4)
TO ENTER SOUND MODULE TEST
~
PRESS SELF-TEST BunON (AGAIN)
JI'
TO ENTER STUCK-SWITCH TEST
SOUND MODULE PLAYS
-
TUNE
,
YES
INO SEE SYMPTOM ••a. PAGE 14
..
NO
-
ALL SWITCHES'
OPEN?
SEE SYMPTOM ~7, PAGE 14
'"
-
t
YES
'SOLENOID AND STUCK-SWITCH NUMBER IS FLASHED ON PLAYER
PRESS SELF-TEST BUTTON
SCORE DISPLAYS AS AN AID IN TROUBLESHOOTING
OR TURN POWER OFF AND THEN ON.
See page 15
GAME READY TO PLAY.
"HOLD FLIPPER BunONS IN DURING TEST
REPEAT ENTIRE TEST IF REPAIR WAS MADE.
(2)
(3)
(5)
(6)
12