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Printed In U.S.A.
DESCRIPTION PAGE
I. Introduction
II. Location and Setup...................................................................2-1
Inspection ............................................................................2-1
Installation ...........................................................................2-1
Self-Test..............................................................................2-4
Game Volume Adjustment Control.....................................................2-4
Option Switch Settings................................................................2-5
III. Game Operation......................................................................3-1
Self-Test Mode........................................................................3-1
Attract Mode..........................................................................3-4
Ready to Play Mode....................................................................3-6
Play Mode............................................................................3-6
Two Player Operation.................................................................3-8
IV. Maintenance and Repair...............................................................4-1
Cleaning .............................................................................4-1
Fuse Replacement ....................................................................4-1
Opening the Control Panel ............................................................4-2
Removal of Main Display Glass and T.V. Bezel..........................................4-4
T.V. Monitor Replacement.............................................................4-5
Printed Circuit Board Replacement.....................................................4-8
Opening the Attraction Panel..........................................................4-11
V. Illustrated Parts Breakdown
Commercial Card Rack Assy...........................................................5-1
Commerical Card Rack Assy. — Parts List..............................................5-1
No. 530 — Robby Roto — Upright — Front.............................................5-2
No. 530 — Robby Roto — Upright — Front — Parts List.................................5-3
No. 530 — Robby Roto — Upright — Service Door & Utility Shelf Assy...................5-4
No. 530 — Robby Roto — Upright — Service Door & Utility Shelf Assy. — Parts List......5-5
No. 530 — Robby Roto — Upright — Rear Access......................................5-6
No. 530 — Robby Roto — Upright — Rear Access — Parts List..........................5-7
No. 574 — Robby Roto — Mini — Front................................................5-8
No. 574 — Robby Roto — Mini — Front — Parts List....................................5-9
No. 574 — Robby Roto — Mini — Rear Access.........................................5-10
No. 574 — Robby Roto — Mini — Rear Access — Parts List.............................5-11
No. 576 — Robby Roto — Cocktail — Front............................................5-12
No. 576 — Robby Roto — Cocktail — Front — Parts List................................5-13
No. 576 — Robby Roto — Cocktail — Interior Access...................................5-14
No. 576 — Robby Roto — Cocktail — Interior Access — Parts List.......................5-15
No. 530 — Robby Roto — Upright — Header Fluorescent Assy...........................5-17
No. 530 — Robby Roto — Upright — Header Fluorescent Assy. — Parts List.............5-17
Control Assy. — All Versions ..........................................................5-18
Control Assy. — All Versions — Parts List..............................................5-19
Front Door Assy. — U.S.A. 250.........................................................5-20
Front Door Assy. — U.S.A. 25<P — Parts List............................................5-21
DESCRIPTION PAGE
VI. Technical Troubleshooting.............................................................6-1
Introduction ..........................................................................6-1
General Suggestions..................................................................6-1
Harness Component Troubleshooting..................................................6-1
Transformer and Line Voltage Problems................................................6-2
A Glossary of Microprocessor Terms...................................................6-3
Introduction to the Z80 CPU...........................................................6-3
General Purpose Registers ......................................................6-4
Arithmetic and Logic Unit (ALU).................................................6-4
Instruction Register and CPU Control............................................6-4
Z80 CPU Pin Description........................................................6-4
MCR 11 System P.C. Board Jumper Options............................................6-7
VII. Coin Door Maintenance...............................................................7-1
Metal Coin Acceptor Mechanisms......................................................7-1
Plastic Coin Acceptor Mechanisms.....................................................7-3
VIII. T.V. Monitor Manual...................................................................8-1
Introduction ..........................................................................8-1
Symptom Diagnosis...................................................................8-2
Guide to Schematic Symbols..........................................................8-3
Troubleshooting ......................................................................8-5
Theory of Operation...................................................................8-6
Differences Between Monitors.........................................................8-8
Parts Interchangeability ...............................................................8-9
Wells-Gardner Monitor Schematic — 19"...............................................8-10
Wells-Gardner Monitor Replacement Parts List .........................................8-11
Electrohome Monitor Schematic — 19".................................................8-13
Electrohome Monitor Replacement Parts List — 19".....................................8-14
Electrohome Monitor Schematic — 13".................................................8-18
Electrohome Monitor Replacement Parts List — 13".....................................8-19
IX. Schematics and Wiring Diagrams
Wiring Diagram — Upright.............................................................9-1
Wiring Diagram — Mini................................................................9-2
Wiring Diagram — Cocktail............................................................9-3
Power Supply P.C.B. — Component Layout.............................................9-4
Power Supply P.C.B. — Schematic.....................................................9-5
Ram Board — Component Layout .....................................................9-6
Ram Board — Schematic..............................................................9-7
CPU Board — Component Layout .....................................................9-8
CPU Board — Schematic..............................................................9-9
Memory Board — Component Layout..................................................9-10
Memory Board — Schematic...........................................................9-11
Audio Amp Board — Component Layout...............................................9-12
Audio Amp Board — Schematic .......................................................9-13
RGB Interface Board — Component Layout............................................9-14
RGB Interface Board — Schematic.....................................................9-15
Pattern Board — Component Layout...................................................9-16
Pattern Board — Schematic ...........................................................9-17
Game Board — Component Layout....................................................9-18
Game Board — Schematic.............................................................9-19
table of figures
FIGURE PAGE
1-1 Assigned Point Values.................................................................1-2
2-1 Removal of Shipping Brkts — Upright..................................................2-1
2-2 Location of Serial No., Interlock Switch, On/Off Switch, & Major Sub-Assys..............2-2
2-3 Major Sub-Assys (Cont from Fig. 2-2)..................................................2-3
2-4 Interlock Switch Operation ............................................................2-4
2-5 Location of Volume Control ...........................................................2-4
2-6 Option Switch Settings................................................................2-5
2-7 Option Switch Locations ..............................................................2-5
3-1 Identification of "On Screen" Graphics During Play.....................................3-1
3-2 Self-Test — ROM/RAM................................................................3-2
3-3 Self-Test — Player Input...............................................................3-3
3-4 Self-Test — Set Up Options............................................................3-4
4-1 Location of Fuses.....................................................................4-1
4-2 Opening the Control Panel — Upright & Mini...........................................4-2
4-3 Opening the Cocktail Game ...........................................................4-3
4-4 Removing the Control Panel — Cocktail................................................4-3
4-5 Removing the Main Display Glass & T.V. Bezel — Upright...............................4-4
4-6 Removing the Main Display Glass & T.V. Bezel — Mini..................................4-4
4-7 Removing the Top Glass & T.V. Bezel — Cocktail.......................................4-5
4-8 Removing the Monitor — Upright......................................................4-6
4-9 Removing the Monitor — Mini .........................................................4-6
4-10 Opening the Cocktail Game...........................................................4-7
4-11 Removing the Monitor — Cocktail .....................................................4-7
4-12 Opening the Front Access Door — Upright.............................................4-8
4-13 Removing Printed Circuit Boards — Upright............................................4-9
4-14 Removing Printed Circuit Boards — Mini...............................................4-9
4-15 Removing Printed Circuit Boards — Cocktail...........................................4-10
4-16 Opening the Attraction Panel — Upright ...............................................4-11
4-17 Replacing the Fluorescent Tube Starter — Upright......................................4-11
4-18 Opening the Attraction Panel — Mini...................................................4-12
7-1 Removing and Replacing the Coin Acceptor............................................7-1
7-2 Cleaning the Metal Coin Acceptor .....................................................7-2
7-3 Lubricating the Metal Coin Acceptor...................................................7-2
7-4 Opening the Plastic Coin Acceptor.....................................................7-3
7-5 Changing the Plastic Acceptor to Accept American or Canadian Quarters................7-4
I. Introduction
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