Midway Sportstation 25in Standard 4 Player Operation Manual

							7-10
Video Troubleshooting Table, continued
SYMPTOM CAUSE REQUIRED ACTION
•
  White areas at screen edges
appear tinged with color
•
  Dots at screen edges appear
oval or cylindricalPicture tube dynamic
convergence is out of
alignmentHave service bureau dynamically reconverge
monitor. This procedure requires removing and
repositioning yoke. Service bureau must follow
instructions from monitor manufacturer.
Faulty wiring1. Check connectors and cables for wiring
continuity. Video cables connect graphics card to
circuit boards, and then to video monitor.
2.  Assure connection of all cabinet ground wires,
especially at video monitor chassis.
Faulty monitor
circuitry1.  Check video monitor operation by connecting it
to working VGM (video game machine).
2.  Assure that video monitor is correct type for this
VGM. Video monitors with wrong resolution can’t
lock sync.
Improper sync signals1.  Check to see if Video Board puts out type of
sync that your monitor requires.
2.  Verify that jumpers are set correctly for monitor.
3.  If necessary, add or remove video sync jumper
at Sound I/O Board jumper block J10. With no
pins connected (or pins 2 and 3 connected),
board outputs positive sync. With pins 1 and 2
connected, board outputs negative sync.
•
  Video tears or rolls, or has
black bar down middle of
screen
Electromagnetic fields Move cabinet far away from machines,
appliances, or competitors’ VGMs.
Faulty wiringCheck connectors and cables for wiring
continuity from circuit boards to video monitor.•
 Missing colors
Faulty monitor color
drive circuitryVerify that video monitor operates correctly by
connecting it to working VGM.
•
  One color is dimmer or
brighter than others
•
  Whites appear tinted
everywhere on screenMaladjusted color
bias pots1.  Turn on VGM (video game machine).
2.  Enter Monitor Tests Menu.
3.  Watch Color Bars screen in mirror.
4.  Adjust three bias pots for best colors. (Most
monitor neck boards include these pots.)
5.  Also check White Screen. Touch up controls.
6.  If whites still seem tinted, have service bureau
rejuvenate picture tube.
•
  Picture is dim or fadedMaladjusted
BRIGHTNESS pot or
subnormal picture
tube emission1.  Watch Color Bars screen. Adjust BRIGHTNESS
and CONTRAST pots for greatest number of
grays. You’ll find these pots on Monitor Remote
Control Board, behind coin door.
2.  If pots have no effect, have service bureau
rejuvenate picture tube.
•
  Picture is too narrowMaladjusted WIDTH
potEnter Monitor Tests Menu. Watch Crosshatch
Screen while adjusting WIDTH pot for best
picture. You’ll find this pot on Monitor Remote
Control Board, behind coin door.
•
  Picture is too shortMaladjusted HEIGHT
pot or damaged
vertical circuit1.  Enter Monitor Tests Menu. Watch Crosshatch
Screen while adjusting HEIGHT pot for best
picture. You’ll find this pot on Monitor Remote
Control Board, behind coin door.
2.  If pot has no effect, service vertical output circuit.
•
  Picture seems shifted to one
sideMaladjusted
HORIZONTAL
POSITION potEnter Monitor Tests Menu. Watch Crosshatch
Screen while adjusting HORIZONTAL POSITION
pot for best picture. You’ll find this pot on Monitor
Remote Control Board, behind coin door.
•
 Keystone-shaped pictureShorted turns in yoke1.  Substitute working yoke.
2.  Have service bureau converge monitor.
3. Retest monitor. 
						

							7-11
Software Update Troubleshooting Table
SYMPTOM CAUSE REQUIRED ACTION
You skipped steps or
performed them out
of sequence.Return update components to kit, reinstall
original parts in cabinet, and try process again.
•
  Update didn’t work
•
  After update procedure,
screen reports lower than
latest versionInstallation error may
have damaged
device.1.  Inspect for bent or broken pins.
2.  If you have another kit, try it.
3.  Ask your distributor to check your floppy disk.
Mismatched boot
update version and
hard drive.Once you’ve updated disk drive, CPU
instructions must be at correct version to make
use of new data stored on disk. Be certain that
boot ROM device resides in proper socket.•
  No Attract Mode screens
•
  Board indicators illuminate,
but screen is completely
blank
You may have
installed devices in
wrong sockets.1.  Install disk ROM. Only use upgrade socket for
hard disk drive updates. During game play,
upgrade socket must be empty.
2.  Load ROM contents onto drive.
3.  Remove ROM from game.
NOTICE: 
Someday, software updates for your VGM (video game machine) might
become available. These upgrades may improve your VGM’s performance or add new
VGM features. Such upgrades tend to appear sometime after factory first releases
VGM. Contact your distributor for information about updates. 
						

							7-12
Miscellaneous Problem Troubleshooting Table
SYMPTOM CAUSE REQUIRED ACTION
Faulty fluorescent
tube1.  Remove fluorescent tube from its sockets. If you
find cracks or darkened ends, install new lamp.
Clean tube.
2.  Check continuity of both fluorescent tube
filaments.
3.  Verify that fluorescent tube operates by placing it
in working VGM.
Faulty lamp fixture 1.  Verify that lamp pins make good connection with
socket contacts.
2.  Check ballast for continuity.
•
  Marquee lamp is intermittent
or non-functional
•
 VGM (video game machine)
starts and plays normally
Faulty wiring 1.  Measure fluorescent lamp AC voltages. Check
wiring and connector continuity from AC power
chassis to lamp assembly.
2.  If you find faulty wiring, repair or replace it.
Obstructed fan1.  Check bottom and rear of cabinet for blocked
airflow.
2.  Move VGM away from sources of heat.
3.  Turn off VGM power. Remove dust from vent
holes with high-power vacuum cleaner.
Faulty wiring 1.  Check fan wiring and connectors.
2.  If you find faulty wiring, repair or replace it.
•
  VGM operates normally
•
  Cabinet becomes warm after
several hours of use
Faulty fan 1.  Check operation of all fans, including power
supply fan.
2.  If fan is faulty, replace it.
•
  Error messages appear on
screenFaulty hardware1.  Check any assembly (RAM, ROM, Battery, etc.)
identified in error messages.
2.  Call your authorized distributor for help with
unresolved screen messages.
Fan Location and Mounting 
						

							WARNINGS & NOTICES
WARNING
•  Use of non-Midway parts or circuit modifications may cause serious injury or equipment damage!
•  Use only Midway authorized components and parts. Failure to do so will void your warranty and may result in
incorrect or unsafe operation. Substitute parts or modifications may void the EMC directive or FCC type
acceptance.
•  Federal copyright, trademark and patent laws protect this game. Unauthorized modifications may be illegal under
Federal law. The modification ban also applies to Midway Games Inc. game logos, designs, publications and
assemblies. Moreover, facsimiles of Midway equipment (or any feature thereof) may be illegal under federal law,
regardless of whether or not such facsimiles are manufactured with Midway Games Inc. components.
WARNING
Prevent shock hazard and assure proper game operation. Plug this game into a properly grounded outlet. Do not use
a cheater plug to defeat the power cords grounding pin. Do not cut off the ground pin.
WARNING
A small portion of the population has a condition which may cause epileptic seizures or momentary loss of
consciousness when viewing certain kinds of flashing lights or patterns that are present in our daily environment.
These persons may experience seizures while watching some kinds of television pictures or playing certain video
games. People who have not had seizures may nonetheless have an undetected epileptic condition.
If you or anyone in your family has experienced symptoms linked to an epileptic condition (e.g. seizures or loss of
awareness), consult your physician before using video games.
We recommend that parents observe their children while they play video games. If you or your child experience the
following symptoms: dizziness, altered vision, eye or muscle twitching, involuntary movements, loss of awareness,
disorientation, or convulsions, discontinue use immediately and consult your physician.
NOTICE
This video game machine has been tested. It complies with limits for a Class A digital device, under FCC Rules, Part
15. These limits provide reasonable protection against harmful interference when the equipment operates in a
commercial environment. This equipment generates, uses and can radiate radio frequency energy. If not installed and
used according to the instruction manual, this equipment may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference. If interference occurs, the
user must correct it at his own expense.
NOTICE
When Midway Games Inc. ships a game, it complies with FCC regulations. Your FCC label is proof of compliance.
Legal repercussions to the owner or distributor may result if the label is missing or damaged. If your game does not
contain an FCC compliance label, call Midway Games Inc. immediately.
NOTICE
You may not reproduce any part of this publication by mechanical, photographic, or electronic means. You may not
prepare phonograph recordings of this document. You may not transmit this publication or otherwise copy it for public
or private use, without permission from the publisher.
COPYRIGHT & TRADEMARK NOTICE
Entire contents of this manual copyright © 1999 Midway Games Inc. All rights reserved. The following are trademarks
of Midway Games Inc.: Midway®, SportStation™, NBA Showtime™, NFL Blitz 2000 Gold Edition™. ©1999 NBA.
©1999 NFLP. Team names and logos are trademarks of indicated teams. The NBA logo is a trademark of the
National Basketball Association. Officially Licensed Product of the National Basketball Association. The NFL shield,
Super Bowl and Pro Bowl are trademarks of the National Football League Players. The Players Inc. logo is a
registered trademark of the NFL Players.
FOR SERVICE
Call your Authorized Midway Games Inc. Distributor.
MIDWAY GAMES INC.,      3401 N. CALIFORNIA AVE.,      CHICAGO, ILLINOIS      60618-5899      USA