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II
C~
is now ready to play." If game is not correct, refer
to Module Replacel1'lel1t procedure. (See Parts List.)
I
3C) SYMPTOM:
One or several displays always off.
t ,;
ACTION:
A)
Do 3AA, AB, AC, and AD.
I
B)
Repeat 3BB and BC, if necessary.
4A)
SYMPTOM:
Solenoid(s) do(es) not null-in during course of game .
.
.
ACTION:
A)
With power ON, open front door. Press button (Self-Test switch)
three times.
B)
If game was correct, each solenoid would be energized. A number is
flashed on the Player Score displays as each solenoid is pulsed. Note
any numbers that do not have the sound of a solenoid associated. See
Solenoid Identification Table, Page 17 and Figure V.
C)
Carefully lift the playfield (or open the back box) to gain access to the
solenoid. Turn power OFF. Inspect the solenoid.
D) If a lead is broken off, repair. Repeat A & B. If game is correct. it is now
ready for play: If solenoid wiring was correct, turn power OFF
E) Replace Solenoid Driver/Voltage Regulator module A3. See CAU-
TION NOTE 3AB.
F) Repeat AA & AB. If game is
correct,
it is now ready to play.
*
If game is
not correct, turn power OFF.
G) Replace MPU module A4. See CAUTION NOTE, 1C.
H) Repeat A & B. If game is correct, it is now ready to play: If game is not
correct, refer toModule Replacement Procedure. (See Parts List.)
48)
SYMPTOM:
Solenoid(s) always energized-Note:
If impulse solenoids (chimes, ball
ejects, slingshots, thumper-bumpers,
etc.) are energized continuously,
they are subject to damage. Limit troubleshooting to one minute with
power ON, followed by five minutes with power OFF. Repeat as
necessary. Replace damaged solenoids.
ACTION:
Do 4AA, AB, AE, AF and if necessary, AG and AH.
5)
SYMPTOM:
Feature (Drop Targets, etc.) does not score.
ACTION:
A)
With power ON, open front door. Press button (Self-Test switch) four
times.
P)
If the game is correct, Match/Ball
in Play display would flash '0.' If a
number appears on the Player Score displays, see Switch Assembly
'd~ntlfcation Table, Page 17 and Figure V.
p)
CElrefully lift the playfield. Locate the switch assembly identified from
the number. Visually inspect the switch assembly. If the contacts are
'stuck, regapthem to
1/16".
See section under AD~USTMENTS. Repeat
A
&
a.
If the game is correct, it is now ready to play.* If game is not correct,
tum the power OFF.
P)
Replace
MPU module A4. See CAUTION NOTE 1, C.
I
~) Repeat A &
a.
If the game is correct, it is now ready to play: If the
game
i$ not correct, refer to Module Replacement Procedure. (See Parts
.
List.)
6)
SYMPTOM:
Game blows fuse(s) repeatedly.
ACTION:
See Module Replacement Procedure. F.O. 560
'Turn power On-Off switch OFF
and
then ON
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