Midway Skins Game 25in Dedicated Upright Service Manual

							Service - 2Midway Games West Inc.
SERVICE
CAUTION:
 Before attempting any of the following procedures on your Skins Game Video
Game Machine, turn AC Power off. Failure to do so can cause personal injury, may
damage the components, and may void your warranty.
Control Panel
To open control panel, open coin
door and reach upward, feeling for
left and right latches (see illustration).
Latches hold control panel top to
control panel box. Unlock latches and
swivel top of hinged control panel
toward you by pulling upward gently
on keypad pod assembly.
To remove control panel assembly,
open control panel. Mark, and
disconnect wiring harnesses from
player controls. Use a wrench to
remove four ¼-20 hex-head bolts,
flat washers, and lock washers that
secure control panel to cabinet.
Close control panel cover. Slide
control panel housing away from
cabinet.
To reinstall, align gasketed control
panel bracket with bottom of viewing
glass. Tighten mounting bolts firmly,
but do not overtighten.
Marquee
Remove five hex-head wood screws
that hold marquee-retaining strip to
cabinet top. Hold glass in place to
avoid breakage. Remove retaining
strip and set aside. Lift marquee
glass out of top grooves and set in
safe place. Do not overtighten
screws during reinstallation.
WARNING:
 Marquee glass can fall from cabinet and break when retaining strip is
removed. Hold glass in place until you can safely remove it. 
						

							Skins GameService - 3
WARNING:
 A dropped fluorescent tube is likely to break, implode, and shatter glass
eight feet or more from the point of destruction. Use extreme care when handling.
Fluorescent Lamp
Remove marquee housing, retaining
strip, glass, and artwork. Grasp bulb,
and rotate a quarter turn. Pull tube
from sockets.
To replace, carefully fit new bulb into
socket and rotate a quarter turn.
Clean bulb to remove fingerprints
and dust.
Fluorescent Light Assembly
Remove marquee housing, retaining
strip, glass, and artwork. Disconnect
power cable from fluorescent light
assembly. Loosen screws fastening
assembly to cabinet, but do not
remove them. Slide assembly slightly
forward to disengage keyhole slots.
Lift assembly out of cabinet.
NOTE: 
Fluorescent light assemblies with electronic ballasts have no starter.
Speakers
Remove marquee, glass, and
artwork. Label and disconnect wires.
Remove nuts on screws. Lift
speakers up above speaker grill and
out of marquee. Carefully reseat
seals upon completing any task in
speaker enclosure. Refer to Cabinet
W iring Diagram for correct speaker
polarity.
NOTE:
 Ensure replacement speakers are magnetically shielded. This prevents video
monitor color impurity.
CAUTION: USE PROPER FUSE.
 Avoid electrical shock! Replacement fuses must be of
the same type as those they replace. Fuse voltage and current ratings must match
ratings on the original fuse. 
						

							Service - 4Midway Games West Inc. Joystick Assembly
Open control panel. Label and
disconnect joystick wiring harness.
Loosen and remove four nuts holding
joystick to control panel. Lift joystick
assembly out of control panel.
To remove potentiometer, pull
bottom of spring clip out to unlatch
and pull clip up to remove. Pull
potentiometer away from assembly
gently to release.
W hen replacing potentiometer, seat it
snugly in its housing, flush against
plastic base. If you have seated it
properly, you should be unable to
rotate the potentiometer more than a
degree or two by hand.
Push Buttons
Open control panel. Label and
disconnect wires. Separate switch
from its pushbutton. Bend large
prong away from switch just enough
to slide switch off housing.
To remove light inside START
button, pull light bulb up and out of
socket.
Coin Meter
Open cash vault door. Label and
disconnect meter wiring. Unscrew
two front mounting screws. Record
meter count before testing or
replacing.
Coin Mechanism
Unlock coin door and swing open.
Unlatch and remove each coin
mechanism separately to clean or
replace with different type. Ensure
mechanism seats fully in holder upon
reinstallation. Close and lock release
latch, then close door. Turn AC
power ON and change mechanism
setup. Then test known good and
bad coins to verify operation. 
						

							Skins GameService - 5 Viewing Glass
Pull control panel upward to expose
glass retainer strip. Hold viewing
glass in place and remove retainer
screws. Slide glass upward a bit and
swing bottom outward until free from
cabinet. Slowly slide glass down until
free from cabinet. Set in safe place.
Monitor Bezel
Remove viewing glass. Grasp
monitor bezel at bottom and lift down
out of groove. Remove bezel from
cabinet. To replace, slide top of bezel
into cabinet groove first. Swing
bottom into position.
CAUTION: 
CRTs and their power supplies can retain energy long after power is off–
especially when a defective circuit prevents a normal discharge. Connect well-insulated
ground strap to metal chassis. Slide free end of strap under CRT anode cap until you
make contact. W ait two minutes for charge recovery, then discharge anode again.
CAUTION: 
Monitor does not require isolation from AC line voltage during normal
operation. However, when operating outside cabinet or servicing monitor on a test
bench, isolate monitor from line voltage with isolation transformer.
Monitor
Remove viewing glass and monitor
bezel. Disconnect monitor from
wiring harness and ground wires.
Remove four ¼-20 flange nuts
securing monitor mounting flanges to
mounting panel. Pull monitor
carefully from cabinet and set aside.
 WARNING: 
Video
monitor is heavy, with most weight
toward front of assembly. Be sure to
firmly support monitor as you remove
it from cabinet. 
						

							Service - 6Midway Games West Inc. Power Supply
Remove rear door. Unplug IEC AC
connector from rear of power supply.
Unplug DC connector from front of
power supply. Remove two front and
two rear screws from power supply.
Lift power supply off power chassis.
Note AC input voltage setting.
To reinstall power supply, set AC
voltage switch to correct value. Set
supply on power chassis and align
mounting holes. Install four screws
and two power connectors.
Fan Assembly
Remove rear door. Remove hex nuts
on groundplane cover. Remove
cover and set in safe place.
Disconnect wiring harness and
remove mounting hex nuts and
washers. Remove fan from cabinet.
Hard Disk Drive
Remove groundplane cover and set
in safe place. Disconnect wires from
hard drive and remove bracket
mounting screws. Gently remove
hard drive from bracket. Store and
transport hard drive in anti-static bag.
CPU Board Assembly
Remove groundplane cover and set
in safe place. Disconnect wires from
harness. Remove mounting screws.
Battery
Lithium battery sits on top of
timekeeper IC. Carefully pry off
battery and replace with identical
type.
Modem Card
Remove groundplane cover. Remove
modem cable from modem card.
Remove modem mounting screw.
Carefully remove modem card from
PCI slot without excessive rocking
motion.
Ensure tight connection when
replacing modem cable into modem
card.
MODEM CARDMODEM CABLE
WALL JACK PCI SLOTPCI POST
BATTERY
MOUNTING SCREWMOUNTING SCREW
  
						

							Skins GameService - 7  
ALTERNATE CASH MECHANISM INSTALLATIONS
The Mars 2451 Bill Validator is factory installed, but you can replace it with any of the following options.
Mars VFM2-L2 Bill Validator
1. Before installing MARS dollar bill validator, take off cover by removing two screws holding it.
2. Set DIP switches as follows:
Switch #1 On (Accepts $1.00)
Switch #2 On (Pulse pattern 50 ms On/300 ms Off)
Switch #3 Off (Rejects $5.00)
Switch #4 On (Not Used)
Switch #5 Off (Number of pulses/dollar–1)
Switch #6 Off (Number of pulses/dollar–1)
Switch #7 Off (Number of pulses/dollar–1)
Switch #8 Off (Bill orientation–accepts in both directions)
3. Replace cover and secure into place with screws.
4. Locate 18-pin connector/jumper (part no. 5797-13606-00), supplied in cashbox. Plug connector into
bottom of dollar bill validator through opening in cover.
5. Turn AC power OFF and open coin door.
6.09-96026-33 Coin Door
Remove four (4) nuts holding top plate to coin door. Save nuts.
Remove top plate
Place finished dollar bill validator face down on coin door on four (4) pem studs.
Place cable clamp on lower pem stud. Orient cable clamp “down.”
Replace and tighten four (4) nuts previously removed.
7. Plug male 9-pin connector from dollar bill acceptor into female 9-pin connector in VGM (located next
to coin door).
1.  Set DIP Switches 1 and 6 to ON.
9. Close coin door. Turn AC power ON. Insert several dollar bills to confirm they are accepted and
proper credits given.
10.  Open coin door and ensure validator aligns with bill chute and bills do not remain in validator.
Tekbilt NV110-GA1 Bill Validator
1.  Before installing TEKBILT dollar bill validator, set DIP switches (located on top of validator) as follows:
MODE DIP SWITCH NUMBERS
1 234
1 credit per acceptance Off Off Off ----
Slow pulse 50msL/300msH ---- ---- ---- On
2.  TEKBILT requires separate adapter plate (adapter supplied with VGM). Mount adapter plate of dollar
bill validator using four 6-32 nuts.
3.  Turn AC power OFF to VGM and open coin door.
4.  09-96026-33 Coin Door
A. Remove four (4) nuts holding top plate to coin door. Save nuts.
B. Remove top plate.
C. Place finished dollar bill validator face down on coin door on four pem studs.
D. Place cable clamp on lower pem stud. Orient cable clamp “down.”
E. Replace and tighten four (4) nuts previously removed.continued 
						

							Service - 8Midway Games West Inc. 5.  Plug male 9-pin connector from dollar bill acceptor into female 9-pin connector in VGM (located next
to coin door).
6.  Set DIP Switches 1 and 6 to ON.
7.  Close coin door. Turn AC power ON. Insert several dollar bills to confirm they are accepted and give
proper credits. There should be one pulse per dollar on center coin chute.
Note: If credits do not correctly register, swap red and white wires on validator side.
8.  Open coin door and ensure that validator aligns with bill chute and bills do not remain in validator.
Dixie-Narco Up-Stacker
You can install a DBV with a vertical dollar bill stacker into your VGM. The following information instructs
you as to which stacker you can use and how to install it.
You must perform installation with AC power OFF and power switch in OFF position.
1.  Install only the following vendor and model numbers:
A. Dixie-Narco USA-15 (12-pin connector)
Model: 88X5003
Software: 57X300-20
B. W illiams Part Number 09-47000
Dixie-Narco (9-pin connector)
Model: 88X5014 (DBA1US)
Software: 57X300-20
2. DIP Switch Settings
W illiams 09-47000 Dixie-Narco USA-15
Switch #1: Open Switch #1: Open
Switch #2: Closed Switch #2: Open
Switch #3: Open Switch #3: Open
Switch #4: Open Switch #4: Open
3. Installation (to coin door):
A.  Remove four (4) nuts holding bottom plate to coin door. Save nuts.
B.  Remove bottom plate.
C.  Remove (2) nuts holding upper plate on. Save nuts.
D.  Remove one spacer, each from the two top pem studs.
E.  Attach these spacers to the bottom pem studs.
F.  Place item 3 face down on coin door on the four (4) pem studs.
G.  Place ground (green) wire, coming from the upstacker, on pem stud.
H.  Secure item 3 with the four (4) nuts (removed previously in step A) on pem studs.
4. Cable Connection:
A. Dixie-Narco Stacker w/9-pin Connector (W illiams P/M 09-47000)
Plug 9-pin connector from stacker into 9-pin female connector inside cabinet.
B. Dixie-Narco Stacker w/12-pin Connector
1.  Take jumper cable H-17019 (9-pin to 12-pin) supplied with VGM and mate 9-pin connector
with 9-pin plug in cabinet, located by coin door opening.
2.  Take 12-pin from jumper cable and mate with 12-pin connector on stacker cable.
3.  Dress cable from stacker away from cash box area. 
						

							CHAPTER


SYSTEM SOFTWARE
NOTICE: This manual is subject to change without notice. Midway Games W est Inc. reserves
the right to make improvements in equipment function, design, or components as progress in
engineering or manufacturing methods may warrant. 
						

							System - 2Midway Games West Inc.
GAME OPERATION
PLAYER CONTROLS
OPERATOR CONTROLS
TEST SWITCH BRACKET (TOP VIEW)
TEST
MODEVOL. VOL.
UP
DOWNSERVICE
CREDIT
OPERATOR CONTROL LOCATIONS
Keypad Pod
Assembly
Lets players enter their
PINs as well as allow
operators to navigate
the system menus.
Joystick Assembly
Pulling back on the joystick winds your club backwards.
Pulling to the left aims the swing a bit to the right;
pulling to the right aims the swing a bit to the left.
The joystick assembly is designed to withstand
numerous sudden snaps back to neutral position.
Aim (Get Left/Get Right)
Left button swivels player counter-clockwise
around ball (from an overhead view), changing
lateral aim to the right. Right button changes
lateral aim to the left. In Extreme Mode, buttons
move an in-flight ball left or right.
Change Camera
Choose between a
behind-the-player
view or a bird’s-eye
view.
Select Club
Cycles through
your selection of
clubs.
Start/Select and “Power Shot”
After currency is accepted this button starts a 1-, 2-, 3-, or
4-player game. During play, this button can increase a club’s
maximum distance, provided the joystick is released at
precisely the right moment. Players earn one Power Shot per
three holes, but can earn more after 10 QuickShots.
During Extreme
Mode, buttons
add top- or back-
spin.
Ceases game play
or Attract Mode
and opens Menu
SystemDecreases volume.Increases volume.
Increments
number of
credits up one
.
Monitor Controls
Adjusts screen color,
width, contrast, etc.
Alternate Test
Switch Bracket
location.
up
rightdown
left 
						

							Skins GameSystem - 3
Menu System
Follow instructions at the bottom of each menu screen to access more menus and change settings. The
current date and time are shown.
ATLANTIS TESTS
Day Date Year Time
ADJUST VOLUME
STATISTICS
GAME OPTIONS
COIN OPTIONS
TOURNAMENT OPTIONS
SET DATE/TIME
TESTS
EXIT TO GAME
To select test, use +/-/LEFT/RIGHT
To run test, Press START or TEST
EPROM: X.XX Sept 7 1999 XX:XX:XX
GUTS: X.XX Aug 30 1999 XX:XX:XX
Game: Sep 2 1999 XX:XX:XX
Serial #: XXXXXXX
ADJUST VOLUME
Raise or lower the volume during the game and during Attract Mode. Set the game volume first, then
decide if Attract Mode will be as loud as the game (100%), or less. Attract Mode cannot be louder than
game volume. You can also adjust volume with the control switches.
Game
Attract (75% of Game)
To ADJUST volume, use +/-/LEFT/RIGHT
To SELECT which volume, Press START or TEST
To RESTORE old settings, press and hold START or TEST
To SAVE settings and exit, Press VIEW  or CREDIT