16
STAR*TECH JOURNAL/NOVEMBER 1982
TAITO
MEMORY FAILURE TROUBLESHOOTING PROCEDURE
Games: "Qix", "Kram", "Electric Yo Yo",
"Space Dungeon"
START
Problem: The message: Memory Failure
Open Coin Door Turn Off-On Service May
Be Required.
Solution: Figure I is a flow charte type of
troubleshooting guide that the operator can
follow when the above message appears on
the screen.
Q
Open coin door,
pull out bottom
interlock
Figure 1
Yes
Do Procedure #1
Check W1 for
Let game run
for 24 hours
good connection
Do Procedure #2
Ensure W1 has a
good connection
Pull out W1
and exchange
UBS & U86
Do CMOS RAM Mod.
See S*TJ, •
Vol. 3, #10
Take top board
to authorized
distributor
Reprogram.
See Procedure #3
"Qix" Service Notes
If it happens again,
take video board
to authorized
distribu1or
Take top board
to distribu1or
You have fixed it
Figure 2
Procedure 1:
Remove J 19 on the video board. (Refer to
Figure 2). Measure the resistance between Pin
I and Pin 2. If the resistance is greater than I
ohm, then one of the following is wrong:
1. Wire going to top interlock SW is bad.
2. Top interlock SW is bad.
3. Interlock wired wrong.
4. Wire off top interlock.
If the resistance is less than I ohm, take the
video baord to an authorized distributor.
Procedure 2:
Push test button toward advance test twice or
until the audit total frame is displayed.
Procedure 3:
With the game powered up, remove WI jumper
next to the battery on the video board. Turn off
the game for two minutes. Turn power back on
game and replace WI jumper. Open coin door
and pull out bottom interlock only. Push the
test button toward advance test until the location
programming frame is displayed. Adjust your
option as your manual tells you. Then push the
test button toward advance test until the attract
mode is displayed.
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