Midway Skins Game 25in Dedicated Upright Service Manual

Troubleshooting - 2 Midway Games West Inc.
Machine Does Not Start
Symptom Problem Suggested Solution
•
 Machine appears
non-functional.Lack of electricity Check that power switch is on and line cord is plugged
into grounded AC outlet.
•
 Audio non-functional
•
 Fan non-functional
•
  No video displayPoor AC
connection1.  Test line cord, power plug and IEC receptacle for
breaks or damage. Verify continuity of each wire.
2.  Fully seat IEC connector into cabinet receptacle.
3.  Verify wiring harness...

Skins GameTroubleshooting - 3 correct. Components are marked with manufacturer
name, assembly number and hardware version.
W rong voltage
1.  Turn AC power on. Using 20-volt DC setting on a
digital voltmeter, measure DC voltages present at
power connector pins. Verify +5V source if it is
adjustable. Refer to cabinet W iring Diagram.
2.  Using the 2-volt AC setting on a digital voltmeter,
measure the same DC voltages as above. Any
reading indicates that the supply voltages are
unstable and may contain...

Troubleshooting - 4 Midway Games West Inc.
Audio Problems
Symptom Problem Suggested Solution
•
 Video functional
•
 Game functional
•
 Audio non-functionalPoor connection
1.  Press TEST MODE pushbutton to enter Menu
System. Choose ADJUST VOLUME. Ensure Attract
Mode and game volume levels are not at zero.
Adjust levels if necessary to produce sound.
2.  Inspect wiring harnesses and verify connections as
indicated by the Cabinet W iring Diagram.
3.  Using 20-volt DC setting on a digital voltmeter,
measure...

Skins GameTroubleshooting - 5
Controls Problems
Symptom Problem Suggested Solution
Joystick is out of
calibrationFrom Self-Test Menu, choose CONTROLS TEST.
Follow screen instructions to recalibrate joystick.
Faulty wiring
1.  Ensure wiring connectors are firmly seated in
control panel and no wires are broken or pinched.
2.  Repair or replace damaged cables. Reposition
wires as necessary to avoid cinching.
Poorly seated
potentiometer1.  Inspect joystick assembly. A potentiometer may not
be seated snugly....

Troubleshooting - 6 Midway Games West Inc.•
  Startup button bulb
non-functionalFaulty bulb
1.  Remove bulb and inspect filament.
2.  Replace faulty bulb with identical type.
3.  Check +12 fuse to lamp.
•
 Keypad non-
functional or
functions erraticallyPoor connection
1.  Check that connections are tight.
2.  Compare to W iring Diagram to ensure accurate
connections.
Faulty keypad
1.  Place keypad in known good machine.
2.  Replace faulty keypad with identical type.
Coin Mechanism Problems
Symptom...

Skins GameTroubleshooting - 7 Bad currency
1.  Inspect cash box for counterfeit currency.
2.  Remove any items that block path from mechanism
to cash vault.
Faulty coin
mechanism1. Unlock and open coin door. Check each
mechanism for proper mounting.
2. Remove mechanism.
3.  Clear currency path.
4.  Reinstall mechanism and latch it.
•
  Currency or tokens
are not accepted
•
  Game does not
start.
•
  Audio and video
functional
Tilted coin
mechanism or
game1.  Verify that mechanism is level after doors...

Troubleshooting - 8 Midway Games West Inc.
Marquee Lamp Problems
•
  Marquee lamp is
non-functional or
functions
intermittentlyBulb seated poorly
Verify fluorescent bulb pins make good connection with
socket contacts.
•
  Startup is normal.
•
  Game play is
normal.Faulty bulb
1.  Remove fluorescent bulb from sockets.
2.  If you find cracks or darkened ends, replace.
3.  Check continuity of both bulb filaments.
4.  Verify bulb operates by placing in known working
game. Clean bulb.
5.  Replace faulty bulb...

NOTICE
The “libc”  and “libm” libraries (the “Libraries”) are used with the “banner,” “bootbr,” “run_game,”  “swts,” “host_hddnl,”
“targ_hddnl” and “os.elf” applications (the “Applications”).  The Libraries and their use are licensed without charge
and are covered by the GNU Library General Public License.  See the source and related files for the Libraries,
which are found on the hard drive in /usr/src.  Each Application, as linked with one or both of the Libraries (as the
case may be), is referred to...

WARNINGS & NOTICES
Entire contents of this manual copyright © 2000 Midway Games West Inc. All rights reserved.
WARNING
Use of non-Midway Games W est Inc. parts or circuit modifications may cause serious injury or equipment damage.
Use only Midway authorized parts.
•
  Use only authorized components and parts. Failure to do so will void warranty and may result in incorrect and/or
unsafe operation. Substitute parts or modifications may void EMC directive or FCC type acceptance.
•
  This game is protected...