Operation, Maintenance and Service Manual
Contents
1. 78 3201 Leg Figure 17 Cabinet Mounted Assemblies A037397 xx A 28 Centipede NOTICE TO ALL PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction forbidden without the spe i 1 cific written permission of Atari Inc Sunnyvale CA This Schematics Self Test Labo nulo drawing is only conditionally issued and neither receipt nor see parts list on following page possession thereof confers or transters any right in or li to use the subject matter of the drawing or any de sign technical information shown thereon nor any right reproduce this drawing any thereof Except for manufacture by vendors of Atari Inc and for manufacture under tne corporation s written license no right to repro duce this drawing is granted or the subject matter thereof unless by writen agreement with or written permission rom the corporation 037399 01 Cab t Assy 178034 024 T Molding A037456 01 Pwr Harness 035745 02 037443 02 Coin Deflctr Retnr 034536 03 A037450 01 Vibra Damper Interl Sw Brkt Game PCB 007882 02 see Figure 21 Interl Sw Cvr 75 07017 PCB Spacer 78 24012 PCB Tie Wrap i 037433 01 Main larness 034536 02 Damper PEA 037454 01 or 037455 01 ien ur Power Cord 037243 01 Plate 037470 01 2 On Off Sw Mtg Plate e 009992 01 if2. Service Manual Complete with Illustrated Parts Lists CY Operation Maintenance O Centipede Notice Regarding Non Atari Parts f WARNING Use of non Atari parts or modifications of your Atari game circuitry may adversely affect the safety of your game and may cause injury to you and your players Atari Inc warranty printed on the inside back cover of this manual may be voided if you do any of the following 1 you substitute non Atari parts in your coin operated game or 2 you modify or alter any circuits in your Atari game by using kits or parts not supplied by Atari Not only may the use of any non Atari parts void your warranty but any such alter ation may also adversely affect the safety of your game and may cause injury to you and your players iii Centipede Table of Contents 1 Location Setup A ew Fe d tU d 6 S c TES 1 Game Inspection emm 3 Game 3 1 Voltage Plug Selection 4 2 Interlock and Power On Off Switches e nen 4 D Self Test en 6 E Option Switch Settings 9 1 Bonus Play nnn 9 2 Coin Mechanism Multipliers 9 3 Examples of Game Price Settings n n 9 G a m e D ME ME COUPE 13 Attract xx Cae he 13 2 Ready to Play Mode He 14 3 Mode
3. uoniadio2 1 ueio JO Us 5581 un alqns eu siy BOnpoldal si 1uBu ou UAA 105 apun pue jo Aq 304 deoxy ped Aue jo Burweip eonpoadel Aue Jou UMpus je21u438 Aue 10 eui 1 yoalqns au asuab 4720 uy Aue 10 10934 uoissassod 204 pangs S SIUL aje Kuung ueiy jo uoissiuued 945 eui TyILLN3CIHNOO SIHL SNOSM3d 119 OL io II PCB Assembly D 20 Regulator Aud A03543502 igure F 34 12 52 7 16 54 19 100 1015 19315102 24 250108 24 250477 24 350226 24 350338 24 500105 29 088 31 1 4002 31 5401 33 P32 34 2 3055 37 LM305 37 7812 37 7905 72 1608 75 F60405 75 99516 78 16008 78 16014 79 58306 79 58308 79 58346 7458354 020670 01 034531 01 100015 103 110000 010 110000 100 110000 101 110000 102 110000 103 1 10000 271 110000 330 110000 392 110000 562 110000 752 110001221
4. START SWITCHES CENTIPEDE GAME PCS A REGULATOW AUDIO II PCS A POWER SUPPLY CONTROL PANEL COIN DOOR POWER ON OFF RB SWITCH INTERLOCK SWITCH Figure 1 Overview of Game WARNING SHOCK HAZARD Connect this game only to a grounded 3 wire outlet If you have only a 2 wire outlet we recommend you hire a licensed electrician to install a grounded outlet Players may receive anelectric shock if this game is not properly grounded These new parts as well as all other major parts in the game are illustrated in Figure 1 Throughout this manual wherever one of these new parts is mentioned you will see this symbol B Game Inspection This new game is ready to play upon removal from the shipping carton However your careful inspec tion is needed to supply the final touch of quality control Please follow these steps to help us insure that your new game was delivered to you in good condition ane Do not plug the yet 1 Examine the exterior of the game cabinet for dents chips or broken parts 2 Remove the screws that were used as extra se curity to seal the rear access panel Unlock and open this panel as well as the coin door inspect the interior of the game as follows Check that all plug in connectors on the game harness are firmly seated Replug any connectors found unplugged Don t force connectors together The conn
5. Q 035891 01 021084 02 Fuse Harness U S only OOO 78 2708 Hole Bushing TOP VIEW 46 301203 Fuse NOTICE TO ALL PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction forbidden wilhout the spe 76 705015 cific written permission of Atari Inc Sunnyvale This 2 drawing is only condilionaily issued and neither receipt nor Capac Bracket 29 053 pelea thereof confers or transters any right in or li T cense to use the subject matter of Ihe drawing any de Capacilor sign or technica Information shown thereon nor any right to reproduce this drawing or any part thereof Except for manufacture by vendors ot Atari Inc and for manufacture under the corporation s written license no granted E to reproduce this drawing or the subject matter thereot un 035888 01 less by wrillen agregment with or written permission trom Translormer the corporation BOTTOM VIEW FL1 227 3A MDA3501 Rectifier 034630 01 035890 01 034629 01 79 1 5021 001 RFI Filler Pwr Harness Harness Term Block Figure 22 Power Supply Assembly A037671 01 U S A037671 02 International 40 021084 02 03462901 034630 01 035888 01 02 035690 01 035691 01 037479 01 29 053 501 46 2014002 46 2017002 46 301203 78 2708 78 705015 79 15021001 79 3206 79 4411001 03448
6. 1 Voltage Selection If you live outside the United States your Centi pede game has the international power supply with three colored plugs Before plugging in your game make sure that the voltage selection plug on the power supply see Figure 3 is correct for your lo cation s line voltage Check the wire color on the plug and see if it is correct per Figure 3 2 Interlock and Power On Off Switches To minimize the hazard of electrical shock while working on the inside of the game cabinet an inter lock switch has been installed see Figure 4 One is located behind the rear access panel and one is be hind the coin door These switches remove all AC line power from the game circuitry when a door is opened Check for proper operation of the interlock switches by performing the following steps Se sure the access panel and the coin door are closed Plug the AC line power cord into an AC outlet Set the power on off switch to the on position Within approximately 30 seconds the monitor should display a picture e Slowly open the rear access panel The monitor picture should disappear when the panel is opened approximately 296 cm 1 inch Close and lock the access panel and repeat this step with the coin door f the results of the preceding step are satisfac tory the interlock switches are operating pro perly If the monitor doesn t go off as described check to see if the corresponding inter
7. 178034024 34 Inch Black Plastic T Molding 30 Centipede Mini Trak Ball Assy see Figure 19 Foam Tape CAUTION 75 9910 0 160013 001 receive electric shock if Stamped Nut Leaf Sw this elit panel is not properly rounded r 1 Button Holder 178030 001 fhe panel chack inal the wire i Pushbtn Assy firmly attached to the metal tab on the inside of the control panel Only then should you lock up the game 037408 01 Ctrl Pnl 033127 01 Sw Bushing 037435 01 lt NOTICE TO ALL PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction larbidden without the spe cific written permission of Atari Inc Sunnyvale CA This drawing is only conditionally issued and neither receipt nor possession thereof confers or transfers any right in or li cense to use the subject matter of the drawing or any de 62 039 sign or technical information shown thereon nor any right to this drawing or any parl Except tor LED Switch manufacture by vendors of Atari Inc and for manufacture i under the corporation s written license right is granted NOTE Graphics decal is to reproduce this drawing or the subject matter thereof un not field replaceable less by written agreement with or written permission from the corporation 75 9910W0 Slamped Nut Figure 18 Control Panel Assembly A037409 01 A Parts Li
8. On Off Sw Figure 17 Cabinet Mounted Assemblies 037397 29 Centipede Figure 17 Cabinet Mounted Assemblies continued Parts List Part No Description A035943 01 Deep Well Coin Box Assembly for the same coins A03594302 Deep Well Coin Box Assembly for two different denominations has one separator 03594303 Deep Well Coin Box Assembly for three different denominations has two separators A037433 01 Main Harness Assembly 037450 01 Interlock Switch Bracket Assembly modified for safety A037453 01 Strain Relief Power Cord 0 5 037454 01 Strain Relief Power Cord Austria Belgium Chile Denmark Finland France Germany Greece Indonesia Italy Netherlands Norway Spain Swede and Uruguay A03745501 Strain Relief Power Cord Australia and New Zealand A037456 01 Power Harness Assembly A037470 01 Power On Off Switch Mounting Plate Assembly The following six items are the technical information supplements to this game DP 182 01 Centipede Upright Schematic Drawings Sheet 1 DP 182 02 Centipede Schematic Drawings Sheet 2 ST 182 Centipede label with Self Test Procedure and Option Switch Settings TM 160 Instruction and Service Manual for 19 Inch Electrohome Color Monitor or TM 168 Instruction and Service Manual for 19 Inch Wells Gardner Color Monitor TM 182 Centipede Operation Maintenance and Service Manual 19 9032 Volume Control 69 001 S
9. 1 00 coin then press the start button will receive a bonus coin Therefore players receive 3 plays for 1 00 This bonus feature encourages players to insert more money than just the minimum 50 you could require for one game Various other bonuses ere available see Figure 8 2 Coin Mechanism Multipliers Available since early in 1980 Atari games have a new coin door which has either two or three mecha nisms All recent Atari game PCBs identify the dif ferent mechanisms in a certain pattern The right coin mechs are all the same to tne game s logic regardless of whether you have two or three mechs in your door In addition the logic sees the left mech in a 2 mech door and the center mech in a 3 mech door as the same Refer to the diagram below This pattern is important for you to know so you can correctly set the multipliers for each mech The multipliers determine how much each mecha nism will be worth to the game s logic Centipede The basic unit of measurement is 25 which equals a multiplier of x 1 Therefore if you have 250 25 1 door you will probably want to set the center and right option switch multipliers at x1 x 4 The left mech in 3 door always has a value of xl you cannot change its value You can set these multipliers with toggles 3 thru 5 on the Centipede Game PCB switch assembly at lo cation N8 For exact settings of these toggles refer to Figure 8 3
10. 116000220 122002 102 122004 224 137151 002 Centipede Figure 20 Regulator Audio PCB Assembly Parts List Description Reference Designations and Locations in Bold 2 7 Ohm 5 1W Resistor R5 4 Ohm 5 5W Wirewound Resistor R25 3 7W Wirewound Resistor 24 1K Ohm Vertical PCB Mounting Cermet Trimpot 1000 uf Aluminum Electrolytic Fixed Axial Lead 25V Capacitor C13 470 uf Aluminum Electrolytic Fixed Axial Lead 25V Capacitor 4 12 22 uf Aluminum Electrolytic Fixed Axial Lead 35V Capacitor C24 31 3300 uf Aluminum Electrolytic Fixed Axial Lead 35V Capacitor 9 10 18 19 1 uf Aluminum Electrolytic Fixed Axial Lead 50V Capacitor C22 23 luf Ceramic Disc 25V Radial Lead Capacitor 11 20 21 100V l Amp Silicon Rectifier Type 1N4002 Diode 4 8 100V 3 Amp Silicon Rectifier 1N5401 Diode 5 8 PNP Power Transistor Type TIP32 02 NPN Silicon Transistor Type 2N3055 03 5V Linear Voltage Regulator Q1 12V Voltage Regulator Type 7812 08 5V Voltage Regulator Type 7905 Q9 16 32 x Cross Recessed Pan Head Corrosion Resistant Steel Machine Screw 466 32 4 Inch Binder Head Nylon Screw 46 32 Nut Washer Assembly Thermally Conductive Compound Q3 Thermally Conductive Silicon Insulator 02 9 6 Position Connector Receptacle J6 9 9 Position Connector Receptacle J7 12 Position Connector Receptacle J10 4 Posit
11. Examples of Game Price Settings Figure 8 explains the options giving twelve exam ples of the most common U S situations The tog gles mentioned are all in the switch at location N8 they only relate to game price coin mechanism mul tipliers and bonus play You should set the toggles relating to other functions as you see fit although Figure 7 8 9 provide signs indicating Atari s recommendations CA oo 2572565 SN lt BN S 27 Centipede Figure 7 Game Option Settings To change toggle positions on the switch assemblies you need no remove the game PCS The switches usually colored blue are easily accessible when the Centipede Game PCS is mounted place Toggle Settings of amp Toggle Switch cm Centipede Game PCS CENTER switch assembly when PCS is in game 8 7 6 5 4 3 2 When changing the options verify proper results on the moni tor display by performing the self test Note that changing an op tion on any of the following eight toggles will not cause an imme diate change on the monitor screen during the attract mode at 9 1 Option Off Off On On On Off Off On Off Off On On 0 0 Off Off On Off On Off On English Off German On French Off Spanish 2 lives per game 3 live per game 4 lives per game 5 live per game Bonus life granted at every 10 000 points 12 000 points 5 15 000 poin
12. game PCB The audio output from the Regulator Audio PCB directly drives the game speaker and is controlled by the volume control mounted on the bracket inside the coin door The power supply is the source of all voltages in the game These voltages are protected by three fus es F3 F4 and F5 on the power supply chassis The primary winding of the power supply transformer is protected by the fuses F1 F2 on the power sup ply chassis Figure 15 illustrates the distribution of power in this game Figure 16 illustrates the distribution of signals Gentipede FLUORESCENT TUBE COLOR MONITOR a CONTROLPANEL COIN DOOR INTERLOCK SWITCHES GAME PCB ASS POWER SUPPLY LINE VOLTAGE 115 VAC 2 22 b NA AC POWER CORD LEX REGULATOR AUDIO II PCB 7 x POWER ON OFF SWITCH Figure 15 Power Distribution 25 Centipede SPEAKER COLOR MONITOR 07 CONTROLPANEL ae VOLUME CONTROL AUDIO OUT RED GREEN BLUE COMP SYNC TRAK BALL V DIR CLK FIRE TRAK BALL H DIR amp CLK a V a Lr 2 lt Gg B 5 aja 8 412132 s 214 2 9 COIN DOOR 91 i REGULATOR AUDIO PCB Figure 16 Signal Distribution 26 Illustrated Parts Lists gt c o This chapter provides you with the necessary formatio
13. 100 MegOhm 5 14W Resistor R5 1 5K Ohm 5 14W Resistor R108 220 Ohm 5 4W Resistor R3 62 64 66 72 74 76 78 135 22K Ohm 5 14W Resistor R107 330 Ohm 5 74 Resistor R61 63 65 73 3 3K Ohm 5 14W Resistor R69 103 470 Ohm x5926 14W Resistor R90 93 96 98 100 110 113 124 129 56 Ohm 5 14W Resistor R101 102 56K Ohm 5 4W Resistor R4 001 uf Ceramic Disc 50V Radial Lead Capacitor C4 22uf Ceramic Disc 25V Radial Lead Capacitor C55 Ceramic Disc 25V Radial Lead Capacitor C53 100 pf Radial Lead Epoxy Dipped 100V Mica Capacitor 220 pf Radial Lead Epoxy Dipped 100V Mica Capacitor C38 39 39 pf Radial Lead Epoxy Dipped 100V Mica Capacitor C2 Read Only Memory F7 Read Only Memory Read Only Memory DI Read Only Memory El Read Only Memory F H1 Read Only Memory J1 Programmable Read Only Memory P4 Type ER2055 Integrated Circuit E5 Note If you replace this part you must erase this ROM before locking up the game See Figure 6 Self Test Procedure in this manual for instructions Type 74LS107 Integrated Circuit L4 Random Access Memory 6 Acceptable substitute is part no 90 7008 or 90 7035 Centipede 79 4411001 A037479 01 Fuse ee i t 03448202 037639 01 462017002 5499 Fugs Rn Chassis Label Fuse 034544 01 45 2014002 Cover Fuses 037641 01 Label 79 3206 Fuse Block
14. 102209 Japanese 100YH00Y Coin Door 71 102210 British 10 P Coin Door 99 1051 Frame Centipede 72 JA1405B Screw 99 10054 Btn Housing 72 HA1404C Screw 99 10061 Bezel 99 10066 Cover 72 JA1405B Screw 99 10048 Harness not shown for clarity 71402211 Australian 200 20 Coin Door 71 102212 Italian 100 L 100 L Coin Door 71 102213 U S 504 50 2 x 259 Coin Door 71 103214 U S 50 50 50 Coin Door 71 103215 U S 50 50 1 Coin Door Figure 24 American Made Coin Door 71 10xxxx D 45 Centipede Figure 24 American Made Coin Door continued Parts List Part No Description 31 1N4002 100V Silicon Rectifier IN4002 Diode 65 441 General Usage Low Force Miniature Switch 70 11 47 Miniature Bayonet Base Incandescent Lamp 47 71 1201ADU U S 51 00 Coin Mechanism 71 1201 FCH Swiss 1 Fr Coin Mechanism 71 1201MG German 1 DM Coin Mechanism 71 1202MG German 2 DM Coin Mechanism 71 1205 Belgian 5 Fr Coin Mechanism 71 1205MG German 5 DM Coin Mechanism 71 1210PE U K 10 P Coin Mechanism 71 1220CA Australian 20 Coin Mechanism 71 1225CU U S 25 Coin Mechanism 71 12100 Italian 100 Lire Coin Mechanism 71 12100YJ Japanese 100 Coin Mechanism 72 HA1404C 4x 94 Slotted Pan Head Thread Rolling Tri Fluted Taptite Cadmium Plated Screw 72 JA1405B 4 Inch Slotted Pan Head Thread Rolling Tri Flu
15. 7415139 7415139 Integrated Circuit C4 42 37 7415153 7415153 Integrated Circuit 8 L6 6 6 P6 37 74LS15 Type 74LS157 Integrated Circuit 07 08 Ell F8 H8 48 K8 P5 37 7415163 Type 74LS163A Integrated Circuit 6 5 B5 2 2 N3 P2 37 7415166 7415166 Integrated Circuit J9 37 74LS174 Type 74LS174 Integrated Circuit C8 06 E6 J4 37 74LS175 7415175 Integrated Circuit A8 4 4 N4 37 7415191 Type 74LSIQI Integrated Circuit B11 C11 37 74LS244 Type 74LS244 Integrated Circuit B1 37 74L S245 Type 74LS245 Integrated Circuit E2 37 74LS257 Type 74LS257 Integrated Circuit 09 10 K9 9 P7 M8 9 37 7415259 7415259 Integrated Circuit M10 37 7415273 Type 74LS273 Integrated Circuit B4 46 37 7415373 Type 74LS373 Integrated Circuit J5 37 74LS374 Type 74LS374 Integrated Circuit 37 74504 Type 74804 Integrated Circuit 1 37 74574 74574 Integrated Circuit 9 37 7407 Type 7407 Integrated Circuit 9 10 37 7815 15V Voltage Regulator VR2 37 7915 15V Voltage Regulator 38 MV5053 Type MV5053 Light Emitting Diode Continued on next page 37 Centipede Figure 21 Centipede Game PCB Assembly continued Parts List Part No 41 3003 62 001 66 114 1 66 118P1T 79 42 16 79 42622 79 42024 79 42640 61 4302 90 102 90 6010 90 7005 907018 907033 02067
16. PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction forbidden without the spe cific writtan permission af Inc Sunnyvale CA This drawing is only conditionally issued and neither receipt possession thereof confers or transfers any right in or li cense to use the subject matt r ot the drawing or any de sign or technical information shown thereon nor any right 10 reproduce this drawing or any part thereof Except for manufacture by vendors of Atari Inc and manutacture under the corporation s writien license righl is granted reproduce this drawing or the subject matter thereof un less by written agreement with or written permission from the corporation Gor m Lo ux 2 ux 2 CA E TAXES TSH nc az tat E 214 Sel ceni I 2260 apt ET EIL ae hr B 15 575 9 Bin 5 2733 zd MEE 1 8 sg d M v 95 S LM wes Mf 00 oe MINE Lex ER ER 8 9 10 11 Centipede Game PCB Assembly A037241 01 21 36 Centipede Figure 21 Centipede Game PCB Assembly continued Parts List Part Description Reference Designations
17. Switches 18 Figure 11 Mini Trak Maintenance and Repair 20 Figure 12 Monitor Removal 4 21 Figure 13 Printed Circuit Board Removal 22 Figure 14 Fluorescent Tube Replacement 23 Figure 15 Power Distribution 2 07 25 Figure 16 Signal Distribution 26 Illustrated Parts Lists Figure 17 Cabinet Mounted Assemblies 30 Figure 18 Control Panel 31 Figure 19 Ball Assembly 32 Figure 20 Regulator Audio PCB Assembly 34 Figure 21 Centipede GamePCR Assembly 36 Figure 22 Power Supply Assembly 40 Figure 23 Fluorescent Light and Speaker Assembly 42 Figure 24 American Made Coin 44 Figure 25 British Made Coin Door 48 Centipede NOTE If reading through this manual does not lead to solving a certain main tenance problem call Tele Help at the Atari Customer Service office your geographical area aS shown below WEST and CENTRAL U S A Parts for
18. all Atari customers in the U S A Game sales and service Atari Inc California Customer Service Office 1105 N Fair Oaks Avenue P 0 Box 427 Sunnyvale CA 94086 Telex 17 1103 Monday Friday 7 30 4 00 pm Pacific Time From California Alaska or Hawaii amp 408 745 2900 From anywhere else in this area toll free 800 538 1611 EAST U S A Game sales and service only Atari Inc New Jersey Customer Service Office Cottontail Lane Somerset NJ 08873 Telex 37 9347 Monday Friday 7 30 4 00 pr Eastern time From New Jersey 201 469 5993 From anywhere else this area amp toll free 800 526 3849 EUROPE Parts for all Atari customers in Western Europe Game sales and service Atari Ireland Limited European Customer Service Office TIPPERARY TOWN Tipperary Town lreland IRELAND Telex 28165 Monday Friday 9 00 6 00 pm GMT lt a 062 52155 vi Location Setup this assembly are Underwriters Laboratories Listed and Canadian Standards Association Cer tified The addition of a foam pad on the rear access panel insures that the safety interlock switch will be completely closed when you lock this panel Due to environmental factors these pan els can warp slightly which could cause a switch to remain open Additional Improvements The wiring harness has been redesigned so that signal and power wiring are now separated to provide ease of mai
19. and Locations Bold C012294 01 Audio N Channel MOS LSI Custom Chip 24 250 106 10uf Aluminum Electrolytic Fixed Axial Lead 25V Capacitor C83 24 250107 100 uf Aluminum Electrolytic Fixed Axial Lead 25V Capacitor C52 78 24 500105 1 mf Aluminum Electrolytic Fixed Axial Lead 50V Capacitor C79 82 84 86 24 500106 10 uf Aluminum Electrolytic Fixed Axial Lead 50V Capacitor C85 29 088 1uf Ceramic Disc 25V Radial Lead Capacitor C3 5 37 40 51 54 64 66 77 31 1N914 75V Type 1N914 Switching Diode 2 31 1N4001 75V Type 1N4001 Switching Diode 5 33 2N3906 Type 2N3906 PNP Switching and Amplifying Transistor 03 34 2N3904 Type 2N3904 NPN Silicon Transistor 01 2 4 5 34 2N6044 Type 2N6044 Darlington NPN Transistor Q6 8 37 LM324 Type LM324 Integrated Circuit J10 37 4584B Type 4584B Integrated Circuit F10 F11 37 555 Type 555 Timer Integrated Circuit 37 74LS00 Type 74LSOO Integrated Circuit L8 27 741504 741504 Integrated Circuit 37 74LS08 Type 74LS08 Integrated Circuit 87 37 741510 Type 74LSIO Integrated Circuit L3 K2 37 74520 Type 74LS20 Integrated Circuit 7 37 744 532 Type 74LS32 Integrated Circuit 4 C5 37 741542 Type 74LS42 Integrated Circuit 37 74LS74 Type 74LS74 Integrated Circuit 04 011 3 37 74LS83 Type 74LS83 Integrated Circuit F6 6 37 74586 Type 74LS86 Integrated Circuit E7 37 74LS90 Type 74LS90 Integrated Circuit L2 37
20. ends when the i player start or 2 player start pushbutton is pressed When this mode begins the message CRE DITS _ 5 displayed in the middle of the screen The pictures are otherwise the same as those shown in the attract mode If you select the two credit minimum and a player inserts enough money foronly one credit the mes sage 2 CREDIT MINIMUM flashes on the screen un til enough coins for the second credit are inserted In addition CREDITS 0 is displayed if you have selected the option of two coins per credit and the player has inserted only one coin A credit is de fined as the cost for each player to play one game In other words two credits will pay for e one player playing two games or two players playing one game 3 Play Mode The play mode begins when any flashing start pushbutton is pressed The mode ends when the player s last life is lost A player s shooter is enabled at the beginning of the play mode and the audio starts The appropriate LED start switch will then stay lighted until the end of the game At this point it will flash if any credit re mains The game begins with a playfield of randomly placed mushrooms A centipede starts snaking its way across from the center top of the screen The centipede changes direction when it runs into a mushroom or either the left or right boundaries of the playfield When centipede is shot it breaks into two small erones each with a head Als
21. gt 14 4 High Score Initial 16 2 Maintenance Repair A C 1 e a n i n g 18 B Fuse Replacement 18 C The Control 1 cf nn 18 1 LED Start Switch nnn n nn 19 2 Leaf Switch n6 19 3 Ball Maintenance and Repair 19 D Monitor Removal 21 Printed Circuit Board Removal n n nn 22 1 Game 1 een 22 2 Regulator Audio PCB Removal 22 Fluorescent Tube and Speaker Replacement onn 23 G Game Opera ti n eeee 24 3 illustrated Parts Lists illustrationsand parts lists begin on page 27 Centipede List of Illustrations Figure 1 Overview of Game 2 Figure 2 Installation Requirements 3 Figure 3 International Voltage Plug Selection 4 Figure 4 Interlock and Power On Off Switches 5 Figure 5 Location of Self Test Switch Volume Control and Option Switches 6 Figure 6 Self Test Proced re yarria ti eee e Ree RR 7 Figure 7 Game Option Settings 10 Figure 8 Game Price Settings 11 Figure 9 Coin Counter Option Settings 13 Figure 10 Opening the Control Panel and Replacing
22. rais 1 Begin RAM FAILURE is indicated by one to 10 beens Note the number of beeps and determine which RAM may be bad To restart the test press the reset pushbutton on the game PCB or sat the self test switch to off then again to the on position Possible Bad RAM Chip Location H2 F2 K7 K5 L7 L5 M7 5 7 10 Any bad RAM must be replaced before the computer san check the Other RAMs as well as continue with the self test Number of Beeps Given Dons uon ROM PROM FAILURE is indicated by two groups of numbers the upper left corner of the screen The number at the far left indi cates the location of the failing PROM ROM s Identify the bad ROM PROM with the table below If the screen displays gar bage or the logic produces strange audio or randomly activates the coin counters the chip at tocation Jf is probably bad Ignore the hexadecimal numbers justto the right of the chip location number Failing ROM PROM Displayed Number Chip Location 0 D1 1 E1 2 F H1 3 or garbage J1 4 E5 5 BIC D3 If you replace or erase this ROM the number 4 FF will be dis played throughout the self test The next time you enter self test the 4 disappears after a game is played Otherwise the self test will continue to display the numbers 4 FF 2 Trak Ball Test The character doesn t movein same direction as ball jumps rather than moves smoothly or doesn t move at a one of the Coupl
23. 0 01 110000 102 110000 103 110000 104 110000 105 110000 152 110000 221 110000 222 110000 331 110000 332 110000 471 110000 560 110000 563 122002 102 122004 224 122005 103 128002 101 128002 221 126002 390 136001 201 or 211 136001 202 or 212 136001 203 or 207 136001 204 or 208 1X031 205 or 209 136001 206 or 210 136001 213 137161 001 137164001 137170 001 38 Description Reference Designations and Locations in Bold 100 uH x 5 Hot Molded Plastic Fixed R F Choke L1 3 SPST Momentary Pushbutton Switch Reset 4 Station Single Throw Dual Inline Package Bit Switch N11 amp Station Single Throw Dual Inline Package Bit Switch 8 9 16 Contact Medium Insertion Force Integrated Circuit Socket P4 22 Contact Medium Insertion Force Integrated Circuit Socket 5 24 Contact Medium Insertion Force Integrated Circuit Socket F7 01 El F H1 J1 40 Contact Medium Insertion Force Integrated Circuit Socket C2 C3 Nylon Snap In Fastener 12 096 005 Crystal Y1 Microprocessor C2 Random Access Memory C8 Random Access Memory K7 L5 L7 5 7 Random Access Memory F2 H2 Test Point tK Ohm 5 14 W Resistor 9 11 13 16 23 28 31 38 55 60 67 68 77 79 80 87 89 94 95 99 104 109 114 123 134 136 140 10K Ohm 5 14W Resistor 2 6 8 12 17 22 29 30 39 54 70 71 83 86 130 133 110K Ohm 5 14 Resistor R81 82 105 106
24. 1 Wheel 750145 2 PLACES Washer Washer A036096 01 72 8406 Harness 2 PLACES Screw 03619201 Lower Frame 034168 01 Label not A035220 01 shown for clarity PCB Figure 19 Mini Trak Ball Assembly A0361 90 01 A 32 Figure 19 Assembly Parts List Centipede ASS Part No A035220 01 036096 01 72 8406 75 0145 75 0445 03416801 035931 01 035936 01 03593701 03593801 036191 01 036192 01 036193 01 176010 106 Description Coupler PCB Assembly Harness Assembly 84 40 x Inch Hex Socket Head Cap Alloy Steel Machine Screw 4 Flat Plain SAE Standard Zinc Plated Steel Washer 4 Zinc Plated Steel Split Lock Washer Label with Lubrication Instructions Roller Shaft 2 per assembly Mini Trak Ball Ball Bearing 6per assembly Etched Encoding Wheel Upper Black Plastic Frame Lower Black Plastic Frame Idler Shaft 7 assembly 8 Inch Cross Recessed Pan Head Thread Forming Twin Lead Zinc Plated Steel Screw 33 Centipede E 29 c qiu a lt gt ify 5 in o i 0 S ar c e 10 T 2 gt 90 o92 ala E oram omo st RIZ R24 Q 7w 690 NC a 8 4l Big o s2 n5 Gi 0 4 5 N 3 59 e 2 2 0
25. 2 02 034544 01 03763901 03764101 Centipede Figure 22 Power Supply Assembly Parts List Description Reference Designations in Bold Voltage Plug 720 plug for U S power supply only A C Harness Assembly RFI Filter Assembly FL1 Transformer Assembly T1 Power Harness Assembly Fuse Harness Assembly Voltage Plug Assembly 100 220V and 240V plugs international only 27 000 uf 15 VDC Electrolytic Capacitor Bridge Rectifier Type MDA 3501 CR1 4 Amp 250 V 3AG Slow Blow Glass Cartridge Type Fuse F2 FA F6 7 250 V Slow Blow Glass Cartridge Type Fuse F1 20 Amp 32 V 3AG Slow Blow Glass Cartridge Type Fuse F3 Nylon Type 616 Hole Bushing with Inch Inside Diameter x Inch Outside Diameter x 4 Inch Thick 2 Inch Diameter Capacitor Mounting Bracket 2 Circuit Single Row Terminal Block 5 Position Fuse Block with 4 Inch Quick Disconnect Terminals Panel Mounting Non Indicating 3AG Cartridge Type Fuse Post Power Supply Chassis Fuse Block Cover Label for Fuse Value F1 Label for Fuse Values F2 F6 41 Centipede a NOTE To ensure that the fluorescent tube starts make sure the ground wire is firmly attached to both the ballast transtormer and the steel lamp bracket 99 11003 99 11009 79 561816P Starter Sockel 48 009 Wire Nut Speaker A037457 01 Harness 179035 001 Lampholder 142028 001 or 002 Transformer
26. 2 play minimum 2 coins 2 plays For operator use write in the appropriate phrase Use a water resis iant marker Centipede Figure 9 Coin Counter Option Settings These toggles determine which coin mechanisms activate which counters Toggle Settings of 4 Toggle Switch on Game PCS N11 4 3 2 1 Two coin acceptors in the coin door c Both acceptors activate all coin counters simultaneously On Off Both acceptors activate 2 count ers separately E i2 e gt 2 S 5 Of On Both acceptors activate all coin counters simultaneously Off Off Both acceptors activate 2 count ers separately 5 Manutacturer s suggested settings F Game Play Atari s Centipede is one or two player game with a color raster scan monitor The fast mov ing action includes a variety of creatures dropping down from the top of the screen or flying in from its sides most of them to attack the player The play er s shooter is represented on the screen by some what humanoid head The player s goal is to shoot at and destroy as many of these creatures and mushrooms as possi ble for a high point score before the player s lives are used up Players can maneuver their Trak Bali control anywhere within approximately the bottom fifth of the screen However they must move around mushrooms since these are fixed not transpar object
27. 70 304 Tube NOTICE TO ALL PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction forbidden without the spe cific written permission of Atari Inc Sunnyvale CA This drawing is only conditionally issued and neither receipt nor possession thereof confers or transfers any right in or li cense to use the subject matter of the drawing or any de for repsoauce this racing or ane mat Lor 037540 01 manufacture by vendors ot Atari Inc and for 03746901 wre Vite Bracket tess by written agreement with or written permission from the corporation Figure 23 Fluorescent Light and Speaker Assembly A037417 01 and 02 B Parts List Part No Description A037457 01 Light and Speaker Harness 037540 01 Ground Wire with Ring Lug 48 009 8 InchHigh Fidelity Speaker 70 304 18 Inch 15 Watt Cool White Fluorescent Tube 79 561816P Spring Connector Wire Nut for 16 to 18 Guage Wires 99 11003 Fluorescent Lamp Starter 99 1 1009 Starter Socket 03746901 Steel Lamp Bracket 142028 001 60 Hz 118 Volt Ballast Transformer used A03741701 assembly 142028002 50 Hz 118 Volt Ballast Transformer used on 037477 02 assembly 179035001 2 Pin Fluorescent Lampholder 42 NOTICE ALL PERSONS RECEIVING THIS DRAWING 99 10103 CONFIDENTIAL Reproduction forbidden without the specific written permission of Atari Inc Sunnyvale Inner Pnl This drawing is only conditionally issued
28. 9 15027 Coin Ret Box gt 99 15028 Cain Ret 99 15037 a Sw Adjuster A 99 15056 Screw Bezel aa 99 15060 Ba m ud aw Gaver 3 Switch Figure 25 British Made Coin Door 171001 48 99 15067 Lock Assy NOTICE TO ALL PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction forbidden without ihe spe cific writlen permission of Atari Sunnyvale CA This drawing is only conditionally issued and neither receipt nor possession thereof confers or transfers any right in or li cense to use the subject matter of the drawing or any de sign or technical information shown thereon nor any right to raproduce this drawing or any part thereot Except for manufacture by vendors of Atari Inc and for manufacture under the corporation s written license no right to repro duce this drawing is granted or ihe subject matter thereof unless by written agreament with or written permission from the corporation 99 15064 171001 001 British 10 Coin Door 171001 002 British 10 50 Coin Door 171001 003 British 20 50 Coin Door 171001 004 German 1 DM 1 DM Coin Door 171001 005 German 2 DM Coin Door 47 1002 99 15061 Dual Entry Frame 171000 006 German 2 DM 5 DM Coin Door 171001 007 Belgian 5 5 Fr Coin D
29. CONTACT NORMALLY OPEN CONTACT CAUTION Players may receive an electric shock if this control panel is not properly grounded After servicing any partson the panel check that the ground wire is LIGHT EMITTING DIODE firmly attached to the metal tab on the L E D CONTACTS COMMON inside of the control panel Only then CONTACT should you lock up the game To remove LED switch e Remove all wires from the faulty switch Turn the switch counterclockwise while holding the black cone shaped bushing on the outside of the control panel Install a new switch using the reverse procedure Reconnect the harness wires BROWN GREY VERT MOTION PCS GREEN RED SLACK amp YELLOW WIRES RED BLACK GREEN WHITE WHTJBLK STRIPE RED HORIZ MOTION PCB BLUE RED SLACK BLACK amp VIOLET WIRES Figure 10 Opening the Control Panel and Replacing Switches A Cleaning B Fuse Replacement Thise e e e game contains six fuses all on the power ASS supply assembly not including the monitor fuses Replace fuses only with the same type as listed in Figure 22 of this manual See the color monitor man ual for the monitor fuse data C The Control Panel The exterior of the game cabinet and the metal and glass surfaces may be cleaned with any non abrasive household cleaner If desired special coin machine cleaners that leave no residue can be ob tained from your distributor The large monito
30. Volume Control and Option Switches SWITC Centipede Figure 6 Self Test Procedure Instruction Results if Test Passes if results are not as indicated see list of failures that follows 1 Begin Set self test switch to on position See Figure 5 The monitor displays the picture below The game produces no sound at al The two LEDs will stay on throughout self test 2 Trak Ball Test Roll the Trak Ball contro in all directions The centipede head moves around the screenin directions corresponding to Trak Ball control 3 Switch Test One after another activate and release all 3 control panel witches the slam switch and coin door switches 4 Audiol O Chip Test One after another press and hold 2 of the control pane Switches and at least one of the coin door switches is activated 5 Audio Channel Test Press t player tart button four times 6 Background Color Test Press t player button at least eight more times 7 Object Color Test Press Z player button at least 16 time 6 Moving Object Test Watch the screen and move the Trak Bal around Place the moving object in an open area of the screen Press fire but ton several times 9 Erasing the High Score Table optional The current three highest scores are held in permanent memory even if the game is unplugged If you want to erase these scores first check that the number4 is not dis played in th
31. and neither w Levers 75 receipt nor possession thereof confers or transfers 9485 right in or license to use the subject matter of the drawing 99 10096 Hex Nut 99 10095 or any design or lechnical information shown thereon nor Fastener any right to reproduce this drawing or any part thereof Ex stene Self Test Sw 99 10052 Lever cept for manufacture by vendors o Atari Inc and tor manufacture under the corporation s written license right to reproduce this drawing is granted or the subject matter thereot unless by written agreement with or written permission from Ihe corporation 99 10071 Slam Sw 75 14085 Screw SN 75 9445 99 10096 Hex Fastener 99 10063 Cain Chute 99 10040 99 10101 Coin Inlet Chute Coin Chute Ta 99 10073 Decal Part of 99 10095 99 10097 Insu 70 11 47 Lamp 99 10080 Lamp Socke 72 94065 Screw 99 10104 Bar Retnr 99 10041 Coin Counter 99 10105 ns 99 10081 74 12 f E Key Holder 12 2 Coin Mech IA ri 65 PA j 1 10 ia SN 72 96035 99 10065 Cain Sw COIN Return Box Screw 39 10068 99 10075 thru 99 10047 Coin Chute 99 10078 Lockt Sw Wire 31 1N4002 Part 99 10042 thru 99 10045 Diode Coin Sw Assy Retainer 75 14125 99 10082 i Screw Cover Fi
32. and save these two screws and the two fiber spacers Remove the PCB from the interior wall of the cabinet by lifting it up and out of the wood slot 22 REGULATOR AUDIO II PCB CENTIPEDE GAME PCB Figure 13 Printed Circuit Board Removal Centipede E Figure 14 Fluorescent Tube Replacement F Fluorescent To replace speaker or the white fluorescent tube Tube and behind the front graphics attraction panel follow this procedure see Figure 14 Speaker 1 sure the is unplugged from its wall out Replacement let Remove the three Allen head screws at the top of the game they secure the black metal re tainer for the attraction panel Lift the attraction panel up and out of its lower retainer 2 f you need to replace the speaker remove the _ WARNING 5 Phillips serene that secure the light board If you drop a fluorescent tube and it breaks to the cabinet and slide out the whole assem it will implode Shattered glass can fly 6 bly The fluorescent light and speaker harness feet or more from the implosion Use care has extra length so you can pull the assembly when replacing any fluorescent tube about one foot out of the game Unplug the har ness connector just behind the board 23 Centipede 3 Remove the two plug in connectors on the speaker Remove the speaker from the wood board and replace it 4 To replace the fluorescent tube slig
33. ck Assembly Black Switch Wire for German 1 DM Swiss 1 Fr and Japanese 100Y Coins Silver Switch Wire for U S 25 and Belgian 5 Fr Coins Gold Switch Wire for U S 1 00 German 2 DM and Italian 100 Lire Coins Green Switch Wire for German 5 DM U K 10 P and Australian 20 Coins Miniature Bayonet Base Lamp Socket Wire Key Holder Switch Cover U S 1 00 Price Plate German 1 DM Price Plate German 2 DM Price Plate German 5 DM Price Plate Belgian 5 Fr Price Plate Swiss 1 Fr Price Plate Japanese Y 100 Price Plate U K 10 P Price Plate Australian 20 Price Plate Italian 100 Lire Price Plate Fish Paper Insulation Toggle Switch U Type Fastener Fish Paper Insulation Left Half of Coin Inlet Chute Switch and Lockout Coil Bracket Sub Assembly Inner Panel with Levers Sub Assembly Anti Penny Flip Bar Retainer Anti Penny Flip Bar U S 50 Coin Return Button Assembly for two quarters U S 50 Price Plate for two quarters 47 Centipede 99 15038 Bezel for Button 99 15001 thru 99 15012 Ret Button 99 15052 Spring for Button 99 15051 Lamp Holder 77 9915026 99 15056 Screw for Bezel 99 15025 9 7 Coin Inlet Bezel for Caven E 99 15039 99 15036 ES Cover we 99 15054 99 15055 99 15041 e Pivot for Lever Retng Screw Lockout Coil jy 99 15053 Lockt Cart Spring 9
34. door To achieve bonus plays all coins must be inserted before press ing the start button The label no 6 shown below should be used only if you set toggle 8 at switch assembly N9 to off Toggle Settings of 8 Toggle Switch on Centipede PCS at 8 LEFT switch when PCB is in game 8 7 6 5 4 3 2 1 Option Off Off On On On Off Off On Off Off On Off On On Off On Off On Off Off Off On On Off On Off On Free play Off 1 coin for 2 credits On 1 coin for 1 credit Off 2 coins for 1 credit Right coin mechx 1 Right coin mech x 4 Right coin mech x 5 Right coin mech x 6 Left coin mech x 1 Left coin mech x 2 No bonus coins For every 2 coins inserted game logic adds 1 more coin For every 4 coins inserted game logic adds 1 more coin For every 4 coins inserted game logic adds 2 more coins For every 5 coins inserted game logic adds 1 more coin For every 3 coins inserted game logic adds 1 more coin the U S a coin is defined as 256 Germany a coin is 1 DM Manufacturer s suggested settings Game Pricing Labels e 2 coins 1 play EE EE 9 2 coins 1 play ATARI 6 e 4 coins 3 plays 12 9 2coins A AOG 3 coins 4 coins 2 coins 1 play 1 3 plays Susan B Anthony coin in 1 pla 9 1 coin play
35. e 9910044 Coin Switch Assembly for U S 1 00 German 2 DM and Italian 100 Lire Coins gold wire 99 10045 Coin Switch Assembly for German 5 DM U K 10 P and Australian 20 Coins green wire 99 0047 Lockout Coin Assembly 99 10048 Coin Door Harness Assembly 46 Centipede Figure 24 American Made Coin Door continued Parts List Part No 9410049 99 10051 99 10052 99 10054 9910055 99 10056 99 1 0057 99 10058 99 10059 99 10061 9910062 99 10063 99 10065 99 10066 99 10068 99 10070 99 10071 99 10073 99 10074 99 10075 9910076 99 10077 99 10078 9410080 99 0081 9410082 99 10083 9910084 99 10085 9910086 99 0087 9410088 99 0089 9910090 9410091 99 10092 99 10094 99 10095 99 10096 99 10097 99 10101 99 10102 99 10103 99 10104 9910105 99 10107 99 10108 Description Locking Arm Assembly Coin Door Frame Coin Return Lever Coin Button Housing Coin Return Button Cover for Japanese 100Y Coin Coin Return Button Cover for German 1 DM and Swiss 1 Fr Coins Coin Return Button Cover for U S 250 and Belgian 5 Fr Coins Coin Return Button Cover for U S 1 00 German 2 DM and Italian 100 Lire Coins Coin Return Button Cover for German 5 DM U K 10 P and Australian 20 Cains Coin Return Bezel Coin Return Button Right Half of Coin Inlet Chute Coin Return Box Coin Return Cover Coin Chute U S 25 Price Plate Slam Switch Assembly Test Switch Decal Lo
36. e far upper left corner of the screen If this number is not displayed then simultaneously press the start and fire buttons The 4 FF message in the upper left corner of the screen will then be displayed The average game time data willalso be erased but still displayed on the screen If 4 is present then the scores will be erased when you return to the attract mode 10 End When satisfied with test set self test switch to off position As long as you activate close each switch you ll hear a high beep Volume increase and pitch decreases with each additional switch that You ll hear a high beep for each press of the button Background color changes with each press of the l player start button Objects on playfield change color Each press of the fire button changes the moving object to another mov ing object At certain points in the series the object will disappear This is not a failure indication AS Activate coin switches by inserting at least one coin in each coin stot You will not trip the coin counters as long as youstay in self test ALL SWITCHES amp TRAK BALL INPUTS C COIN MECH MULTIPLIERS L Rif you have a 2 mech coin door 95 PLI AYS 1 59 GAME TIME GAME DIFFICULTY SETTING ENTIRE CHARACTER SET NO OF LIVES AT START OF GAME TOTAL NO OF CREDITS PLAYED AVG GAME TIME accurate to secs Centipede Figure 6 Self Test Procedure continued Results i test
37. e is the oper ator option for easy hard game difficulty In the easy game the spider moves slowly up to a 5 000 point score and then bounces at a higher speed It changes direction less often throughout the game than at the hard setting In the hard setting the spider moves slowly only for the first 1 000 points and then speeds up It aiso changes direction more often throughout the game In either setting the spider always moves at a 45 degree angle or straight up and down Another operator option is the number oflives per game ranging from 2 to 5 see Figure 7 for switch settings This number is displayed as small shoot ers at the top of the screen The number is de creased by one each time a player is destroyed The number is increased by one each time the player scores multiples of 10 12 15 or 20 thousand points depending on the operator selection 4 High Score Initial Mode If a players score exceeds the minimum on the high score initial list he or she may put up to three initials on this list at the end of the game At the be ginning of this mode the characters appear on the screen The logic will also display the mes sages GHEAT SCORE and ENTER YOUR INITIALS Players enter initials one character at a time choosing from the characters A thru Z and a blank space Pressing he fire button selects the letter and rolling the Trak Ball control changes the letters on the screen After the fire butt
38. ectors are keyed so they only go on in the proper orien tation A reversed edge connector will dam age a PCB and will void your warranty Check that all plug in integrated circuits on the game PCB are firmly seated in their soc kets e Remove the tie wrap that holds the coiled power cord on the inside cabinet wall Check the cord for any cuts or dents in the insula tion Place the square black metal strain relief plate in the wood slot at the bottom of the rear panel opening TM Centipede WARNING To avoid possible unpleasant electrical shock do not touch internal parts of the monitor with your hands or metal objects held in your hands Note the location of the game s serial num ber it is printed on the special label on the outside of the game cabinet Verify that the serial numbers also stamped on the Centi pede Game Regulator Audio and monitor are all identical A drawing of the serial numbered components is on the inside front cover of this manual Please mention this number whenever you call your distributor for service Check all major subassemblies such as the power supply control panel and monitor for secure mounting Game Installation Figure 2 Installation Requirements Power 130 watts Temperature 0 to 38 C 32 to 100 F Humidity Not over 95 relative Space Required 64 82 cm 2514 32 in Game Height 181 cm 71 in Centipede
39. elf Test Switch for British made coin doors 71 2110 Panel Cartridge Lock Mechanism for rear access panel 75 07017 Spacer for Mounting Printed Circuit Boards 78 24012 5 Inch Beaded Nylon Tie Wrap for game PCB edge connectors 78 3201 Cabinet Leveling Leg 78 6900402 Vinyl Foam Single Coated Adhesive Tape Inch Thick x 4 Inch Wide 2 x 24 in reg d 92 049 19 Inch Electrohome Color Raster Scan Monitor or 92 051 19 inch Wells Gardner Color Raster Scan Monitor 00305301 Lower Attraction Panel Retainer 007882 02 Interlock Switch Cover 009992 01 On Off Switch Cover 030168 01 Volume Control Mounting Bracket also holds se f test switch in games with British made coin doors 034536 02 Foam Vibration Damper Regulator Audio 034536 03 Foam Vibration Damper for Centipede game PCB 035745 02 18 Inch Plastic PCB Retainer 035942 01 Deep Well Coin Box Separator 036262 01 Coin Box Bracket 036495 01 Speaker Grille 036498 01 Upper Attraction Panel Retainer 036686 01 Card of Game Pricing Labels 037243 01 Metal Base Plate located underneath power Supply 037399 01 Cabinet Assembly includes legs and PCB retainers but not the rear access panel 03741 1 01 Attraction Panel with Graphics 037413 01 Monitor Shield with Graphics 037419 02 Rear Access Panel does not include lock 037427 01 Rear Access Panel Foam Pad 03744301 Blue Cardboard Monitor Bezel C 037443 02 Cardboard Coin Deflector 178013 001 Spring Draw Latch
40. ent of fleas starts in the second wave as the fleas descend they leave a trail of new mushrooms behind them In the second wave the fleas appear when a cer tain number of mushrooms remains at the bottom of the screen This number increases as the game pro gresses meaning fleas appear more often later on in the game Fleas have a value of 200 points when shot and players must hit them twice to destroy them the first shot just speeds them up The scorpion enters from either side starting in the fourth wave it moves at a relatively slow speed Later it increases its speed When shot a scorpion counts 1000 points the highest value target of all 15 Centipede As it travels across the screen it poisons mushrooms that it moves over and changes their colors These mushrooms cause any centipedes that would collide with them to head straight towards the bottom of the screen rather than Con tinue snaking around Players can stop a poisoned centipede by shooting its head In addition these poisoned mushrooms as well as any partially shot mushrooms add 5 points to the player s score at the end of each life when the screen is resetting If the players are very skilled and eam at least 60 000 points two things happen to increase player challenge the fleas descend at a faster speed and the spiders restrict their movement to a smaller area at the bottom of the screen m An important new feature of this gam
41. er PCBs on Trak Ball control may be bad harness wires or connector may be loose Trak Ball reading circuitry on Game PCB may be bad or Trak Ball bearings may need oiling 3 Switch Test Sound is constantly on even though you are not activating any switch Or no beep is given for any switch or LED is dark Indi cates a bad switch loose harness wires bad LED driving circuitry volume turned all the way down orloose connector 4 Audio Chip Test No increase in volume or decrease in pitch indicates bad custom audio chip at location B C D3 5 Audio Channel Test On one out of the four activations no audio is produced Indicates one channel is bad in the customl O audio chip at location B C D3 replace entire chip 6 Background Color Test Background doesn t change color or doesn t display all 16 colors Indicates bad color RAM chip RAM failure would have been indi cated earlier with from 3 through 10 beeps 7 Object Color Test Objects don t change color or don t display all 16 colors RAM failure 8 Moving Object Test Object doesn t change to another object ROM RAM failure Option Switch Settings 1 Bonus Play Feature Centipede offers a bonus play for certain com binations of coins inserted This bonus feature is operator selectable meaning you may choose to of fer it or not For example with your game set at 50 per play players who deposit four successive quarters or a
42. gure 24 American Made Coin Door 71 10xxxx D 44 99 10012 thru 99 10022 and 99 10107 Button Assy 93 10062 Button 99 10009 or 99 10010 Door ao Part of 99 10074 99 10049 Locking Arm 75 5520B Bolt NOTICE TO ALL PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction forbidden without the spe cific written permission of Atari Inc Sunnyvale CA This drawing only conditionally issued and neither receipt nor possession thereof confers or transfers any right or li to use the subject matter of the drawing or any de sign or technical information shown thereon nor any right to reproduce this drawing or any part thereof Except for manufacture by vendors of Atari Inc and for manufacture under the corporation s written license no right 10 repro duce this drawing is granted or the subject matter thereof unless by wfitten agreement with or written permission from the corporation 71102201 U S 25 25 Coin Door 71303202 U S 25 25 25 Coin Door 71 103203 U S 25 25 1 Coin Door 71402204 German 2 DMA DM Coin Door 71 103205 German 1 2 5 DM Coin Door 99 10074 Lock 99 1005 ru 99 10059 Bu 1 99 10070 99 10083 thru 99 10092 and 9910109 Price Plate 75 9185 75 9155 Hex Nuit 11 102206 German 1 5 DM Coin Door 71 102207 Belgian 5 295 Fr Coin Door 71102208 Swiss 1 Fr 1 Fr Coin Door 71
43. htly rotate it up or down and carefully remove it from the lampholders 5 Replace with a new tube Never force the tube into the lampholders you may break it causing an implosion 6 Also check that the green ground wire is secure ly aiiached io the iarge meiai bracket and the eS ballast transformer behind the wood panel If the lamp is not grounded it may not start 7 f you removed the light and speaker assembly reconnect the harness connector then reinstall the assembly Replace the attraction panel on the front of the game G Game Operation With this manual you received two large sheets that contain the wiring and schematic diagrams for the Centipede upright game Sheet 1 Side in cludes a table of contents that shows the arrange ment of these diagrams They explain the functions 24 of the circuits the diagrams also define inputs and outputs Ataris Centipede is microprocessor con trolled game The microprocessor is mounted on the game PCB The game PCB receives switch inputs from the control panel and coin door These inputs are processed by the game PCB and output to the monitor Regulator Audio PCB loudspeaker and control panel The Regulator Audio PCB performs two func tions 1 it regulates the 10 VDC from the power supply to 5 VDC and 2 it amplifies the audio out put from the game PCB The 5 VDC from the Reg ulator Audio Il PCB provides most logic power to the
44. ion Connector Receptacle JB Test Point Heat Sink O1uf Ceramic Disc 25V Radial Lead Capacitor C5 C14 1 Ohm 5 4W Resistor R10 19 10 Ohm 5 14W Resistor R11 20 29 30 100 Ohm 5 4W Resistor 12 22 1K Ohm x596 4W Resistor R27 28 10K 5 14 Resistor R13 14 270 Ohm 5 4W Resistor 33 Ohm 5 4W Resistor 3 9K Ohm x596 4W Resistor R6 5 6K Ohm 5 14W Resistor R32 33 7 5K Ohm x596 4W Resistor R7 220 Ohm 5 V2W Resistor R9 21 22 Ohm 5 10W Wirewound Resistor R31 001 uf Ceramic Disc Minimum 25V Radial Lead Capacitor C2 7 16 22uf Ceramic Disc 25V Capacitor C6 8 15 17 TDA2002A 8W Linear Audio Amplifier Integrated Circuit 05 7 35 Centipede SM ame TI e uam 21 NN RESET PEP PO Cr 2575 2 m 23245 Cot CLE S105 m a2 3 Dr 3 ze esed ze 25 a9 Cit e M a men 1 205 1 ET rn am lt lt H 7 4 m 4 552 Y 74 9 4 3 1 d 9729 1 P t e273 4 57 i Lo bere 1 2 8 4 NOTICE TO ALL
45. itch as outlined in the figure Leaf Switch Replacement The leaf switch on this game operates on 5 volts at a very low current Therefore pitting of the switch would be extremely rare Probably the only reason that pitting would occur is that the game is in very high humidity locations Centipede Don t burnish the switch contacts Burnishing them removes their plating thus increasing the cor rosion of the contacts The best method of cleaning the switch contacts is to wipe them with a non abra sive surface A business card works very well To replace the switch remove both of its screws with a Phillips head screwdriver If the white button itself needs to be replaced turn the stamped nut with a wrench in a counter clockwise direction as seen from the inside of the control panel The white ring on the outside of the control panel should not spin due to its design NOTE Adjust switch for a narrow gap Whena switch button is depressed the resulting wiping action of the contacts provides a self cleaning feature 3 Mini Trak Ball Maintenance and Repair To maintain this control lubricate the bearings approximately every 3 months orevery 6 000 credits The number of credits can be read off the coin counter located on the coin door Use only 2 drops of 3 in One oil in each of the ball bearings Each Mini Trak Ball control has six bearings For further instructions on how to replace the ba
46. ll either coupler PCB or either encoding wheel see Figure 11 19 ASS Centipede Disassemble in the order indicated Circled numbers match the steps described below Ball Replacement 1 First remove the entire Mini Trak Ball assembly from the con trot panel as shown in Figure 11 Now locate the six twin lead thread forming screws in the black frames or plastic pleces remove these six screws 2 Liftoff the top frame remove and replace the ball Coupler PCB and Encoding Wheel Replacement 3 Lift the PCB out of its slot Carefully unplug the red connec tor on the coupler PCB 4 replace either encoding wheel remove the PCB from its slot Remove the socket head machine screw flat washer and splitlock washer that secure the encoding wheel Remove the wheel 5 When replacing the coupler PCB be certain that the black metal encoding wheel has not been bent or damaged It should turn freely between the two halves of the red photo sensor device LUBRICATE HERE 6 PLACES Figure 11 Mini Trak Ball Maintenance and Repair 20 Monitor Removal The following procedure should only be per formed by a qualified service technician WARNING Shock Hazard High voltages may exist in any televi sion or monitor even with power discon nected Use extreme caution and do not touch electrical parts of the yoke area with your hands or with metal objec
47. lock switch is broken from its mounting or stuck in the on position Line Voltage Range Voltage Selection Plug Color 90 110 VAC 100 Violet 105 135 VAC 120 Yellow 200 240 VAC 225 Blue 220 260 VAC 240 Brown This is the only plug provided on the U S power supply The in ternational power supply includes the other three plugs VOLTAGE SELECTION Figure 3 WARNING Fuse cover must be in place during game operation International Voltage Plug Selection Centipede An SWITCH SAFETY TES INTERLOCK SWITCH POWER ONIOFF SWITCH Figure 4 Interlock and Power On Off Switches TM Centipede D Self Test Procedure This game will test itself and provide data to dem onstrate that the game s circuitry and controls are operating properly The data is provided on the itor the light emitting diodes in the start switches and the game speaker no additional equipment is necessary Part of the self test procedure includes a display of the operator selectable game options Therefore we suggest you run the self test procedure anytime you need to change the game s options To run the self test follow the instructions out lined in Figure 6 VOLUME INCREASE TURN CLOCKWISE SELF TEST SWITCH U S SELF TEST SWITCH EURO PEAN GAMES VOLUME CONTROL CENTIPEDE GAME PCB OPERATOR Figure 5 Location of Self Test Switch
48. me printed circuit board PCB or the Regulator Audio II PCB for service or inspection To do this refer to Figure 13 and proceed as follows 1 Game PCB Removal Unlock and open the rear access panel Remove the 24 pin and 44 pin edge connectors from the right side of the game PCB Locate the Phillips nead screw that extends through the PCB and into the two wood blocks at the right side of the board Remove and save this screw as well as the fiber spacers Remove the PCB from the cabinet by carefully sliding it straight out of the plastic PCB retainer Be careful not to twist the board as this may loosen connections or components Replace or repair as necessary After servicing reinstall the PCB making sure that the edge connectors are properly plugged in Note that the connectors are keyed to fit on only one way so if they don t slip on easily don t force them A reversed connector will probably damage your PCB and will void the warranty Check that the operation of the game is correct by performing the self test It is especially im portant to do the self test with any game when you replace a PCB Regulator Audio Removal Unlock and open the rear access panel Remove the five plug in connectors on the Reg ulator Audio II PCB Note that all of these con nectors are keyed for proper orientation Locate the two Phillips head screws that extend through the PCB and into the wood behind the PCB Remove
49. n for ordering replacement parts for your Centipede game Please note that for simplicity common hardware has been deleted from most of these parts lists This includes screws nuts wash ers bolts etc The parts lists are arranged in alphanumeric or der For example all A prefix numbers come first Following this are numbers in sequence evaluated up to the hyphen namely 00 thru 99 then 000598 thru approximately 190000 When ordering parts from your distributor give the part number part name applicable figure num ber of this manual and serial number of your game This will help to avoid confusion and mistakes in your order We hope the results will be less down time and more profit from your game 92 049 036498 01 see Figures 24 26 N 036262 01 Coin BoxBrkt or 82 051 Upper Retnr Fluor Light amp Spkr Monitor see Figure 23 037411 01 AttractPanel 7 3 036495 01 Grille 003053 01 Lower Retnr Eat n Shield Ball ieee see Figure 19 71 2110 Lock Control Panel Assy see Figure 18 D 178013 001 Latch a e 037427 01 19 9032 Vol Ctrl 69 001 SS Self Test Sw 03016801 037419 02 Rear Panel Coin Doors 036666 01 Game Pricing Labels not shown for clarity ere eee Cain Box 035942 01
50. ntenance and troubleshooting Second all monitors used are UL Recognized and CSA Cer tified thus providing the most reliable and high est quality monitors available in the marketplace today In addition the power supply chassis has A New Features been fitted with a metal bottom plate making it a totally self contained unit The Centipede game has several new parts Fourth the attraction panel and monitor Even if you are familiar with Atari games you should shield are now made of tempered glass to note these important differences The new parts are facilitate cleaning and improve visibility Mini Trak Bali Assembly The widely used Trak Ball assembly has been redesigned The basis for this compact simplified design is a two part molded plastic frame Fewer parts in this control make servicing easier and its very smooth ac tion is designed for greater player accuracy The circuitry has non volatile memory for part of the high score table This means that even if power is removed from the game the three high est scores will permanently stay in memory To erase these scores follow the instructions in Figure 6 Self Test Procedure To insure starting the fluorescent light now in cludes a large grounded metal plate In addition the lampholder and ballast transformer used in Centipede MONITOR FLUORESCENT LIGHT SHIELD ATTRACTION PANEL COLOR MONITOR BALL CONTROL
51. o the part of the centi pede that was shot leaves a mushroom in its place on the screen When any centipedes reach the bot tom of the screen they start back up but remain within the area of the player s shooter the bottom fifth of the screen When a large centipede that hasn t been shot yet reaches the bottom it releases its tail and this part changes into a new head Also to provide player challenge if a centipede is still alive when it reaches the bottom new heads will enter the screen almost at the bottom of the sides More of these heads will appear as time progresses The randomly moving spiders also appear in the first wave The spiders can destroy a player as well as any mushrooms they move over This eliminates many mushroom targets for a player The player s shooter is moved by rotating the Trak Ball control The shooter can be moved in all direc tions but only within the bottom fifth of the screen Pressing the fire button causes the shooter to fire shots upwards either singly or in rapid fire mode if held down constantly Centipede Mushrooms count 1 point when shot and a player must fire four shots into a mushroom before it is de stroyed and disappears Centipede body parts count 10 points each and the elusive heads represented with small eyes on them are worth 100 points each Spiders are worth 300 600 or 900 points depending on how close they are to the player when shot A bombardm
52. on is pressed the third time the initials and score are transferred to the table This table contains eight scores and appears during the attract and ready to play mode All but the highest three scores are erased when ever you enter the self test or press the RESET but ton on the game PCB or turn off the power This re setting replaces the lowest five scores with ficti tious scores and initials If you erase the special permanent memory the score table is replaced with eight fictitious Scores and initials In other words the table will al ways be displayed on the screen possibly consisting of one or more realistic scores and players initials Repair All games require certain maintenance to keep them in good working order Clean properly main tained games will attract players and earn more pro fits The most important maintenance item is running the self test every time you collect money from the coin box Just looking at a game will not tell you if Mini Trak Ball control leaf switch or light emit ting diode LED switches are broken or if LEDs have burned out The self test will inform you of any of these possible problems Second you should regularly clean the outside of the game and the coin mechanisms In addition you will need to regularly lubricate the Mini Trak Ball control for details see this chapter Centipede NORMALLY CLOSED gt
53. oor 171001 008 French 1 1 Fr Coin Door 171001 009 French 2 1 Fr Coin Door 171001 010 Swedish 1 Kr 1 Kr Coin Door SM oe S Ss p a Es 5 2 1 ud a Centipede 99 15067 Lock Assy 99 15063 Screw SN AA us i S p Sa es 5 Es 2 ca S ae x 99 15062 Hinge 99 15066 Screw 99 15065 Clamp 171000 011 Hong Kong 1 1 Coin Door 171001 012 Canadian 25 25 Coin Door 171001 013 U S 25 25 Coin Door 171001 014 Spanish 25 Pts 25 Pts Coin Door 171001 015 Swiss 1 Fri1 Fr Coin Door Figure 25 British Made Coin Door 171001 xxx A 49
54. price and bonus life achievement level mes sages That picture displays a typical game play se quence with a field of colorful mushrooms through which a centipede crawls The spiders bounce in from the sides of the screen and fleas occasionally drop down from the top In addition scorpions will cross the screen at almost any point In this mode the action exactly duplicates a typi cal game played by a moderately skilled player the player s shooter moves freely within the limits of motion shooting at spiders centipedes fleas and scorpions Periodically the player is destroyed when a flea spider or centipede head or body col lides with the player s shooter All the colors on the screen change with each wave A new wave occurs when the player shoots all centipede parts remaining on the screen At this point a new centipede starts snaking its way down from the top of the screen The attract mode differs from real game play in that no head figures are shown at the top of the screen to represent the number of lives remaining no sounds are produced no scores incre mented and none of the four player controls work At any time when the game is powered up if the coin door slam switch is closed you will hear a spe cial alarm sound This sound alerts location person nel that the game has been abused 2 Ready to Play Mode This mode begins when sufficient coins are ac cepted for a one or two player game It
55. r shield and the attraction panel are made of tempered glass and should be scratch Prior to repairing or replacing any switch or the resistant if cleaned without abrasive substances Mini Trak on the control panel unplug the you should hardly ever have to replace them game Then open the coin door 18 Reach through the coin door opening and open the luggage style latch located at each end on the underside of the control panel see Figure IO Lift up on the control panel at the topmost edge and tilt it towards you The edge of the control panel next to the monitor shield has foam tape applied to it This tape acts as a cushion for the glass and prevents spilled liquids from entering the cabinet interior Always make sure this tape is in good condition 1 LED Switch Replacement The light emitting diode LED switches on the control panel have a very low failure rate In case a switch should ever be suspect first test it per the description that follows To replace the switch refer to Figure 10 1 Remove the wires from the suspected switch 2 Set multimeter to ohms scale Set ohms scale to Rx1 then zero the meter 3 Connect multimeter leads to appropriate LED switch contacts see Figure 10 for designation of switch contacts 4 Check contacts push and release the switch button for closed and open continuity 5 If the contacts do not operate sharply or always remain closed or open then replace the LED sw
56. s A fire button shoots individual shots upwards or fires a hail of shots if pressed constant ly Only one shot appears on the screen at a time The game has five possible modes of operation attract ready to play play high score initial and self test Self test is a special mode for checking the game switches and computer functions You may enter this mode at any time When entered all game credits are cancelled Wait at least eight seconds Two coin acceptors and a push button utility coin switch in the gama Three coin acceptors in the coin door Do not use this setting Do hot use this setting Utility coin switch wil not acti vate a coin counter if you do not hook it up Both acceptors acti vate all coin counters simuitane ously Utility coin switch will not acti vate a coin counter if you do not hook it up Left and right accep tors activate 2 coin counters se parately All 3 are same denomination and they activate all coin counters 5 multaneously Left and center acceptor activate one coin counter right acceptor tivates another coin counter ac Left acceptor activate one counter center and right acceptor activate another coin counter Not for any currently designed 3 mech door Left center and right acceptors acti vate 3 coin counter separately after a game has been plaved before entering self test or turning off the power Other
57. st Part No Description 037408 01 Control Panel with Graphics A03743501 Control Panel Harness 62 039 SPDT Momentary Contact Pushbutton Start Switch with Red Light Emitting Diode 75 9910 0 45 11 Steel Stamped Nut 75 9010 0 22 Steel Stamped Nut 78 6900402 Vinyl Foam Single Coated Adhesive 4 Inchwide x Inch thick 24 in required 033127 01 Black Molded Switch Bushing 160013001 Leaf Switch and Button Holder leaf switch only is part 160012 001 178030 001 Pushbutton Assembly 31 Centipede NOTICE TO ALL PERSONS RECEIVING THIS DRAWING CONFIDENTIAL Reproduction forbidden without the spe cific written permission of Atari Inc Sunnyvale This drawing is only conditionally issued and neither receipt possession thereof confers or transfers any right or li 176010 106 cense to use the subject matter of the drawing or any de 6 PLACES sign or technical information shown thereon nor any right Screw to reproduce this drawing or any part thereof Except for manufacture by vendors of Atari Inc and for manufacture under the corporation s written license no right is granted to reproduce this drawing or the subject matter thereof un jess b written agreement with or written permission from the corporation 036191 01 Upper Frame 035936 01 Ball 036193 01 035937 01 idler Shaft Ma Bal Bearing 035931 01 Roller Shaft 035938 0
58. ted Plastite Black Screw 72 94065 4 40 x Inch Slotted Truss Head Steel Machine Screw 72 96035 46 32 x X Inch Slotted Truss Head Steel Machine Screw 75915s 14 20 Standard Pattern Cadmium Plated Steel Hex Nut 75 91 as 88 32 Standard Pattern Cadmium Plated Steel Hex Nut 75 9445 4 40 Polymer Self Locking Steel Hex Nut 75 9485 8 32 Polymer Self Locking Steel Hex Nut 751406s 4 40 x M Inch Slotted Pan Head Steel Machine Screw 75 14125 4 40 34 Slotted Pan Head Steel Machine Screw 7555208 14 20 x 11 4 InchRound Head Square Neck Steel Bolt with Black Finish 99 10008 Switch Wire Retainer 99 10009 2 Mech Coin Door Only 99 10010 3 Mech Coin Door Only 99 10012 US 250 Coin Return Button Assembly 99 10013 U S 1 00 Coin Return Button Assembly 99 10014 German 1 DM Coin Return Button Assembly 99 10015 German 2 DM Coin Return Button Assembly 99 10016 German 5 DM Coin Return Button Assembly 99 10017 Belgian 5 Fr Coin Return Button Assembly 99 10018 Swiss 1 Fr Coin Return Button Assembly 99 10019 Japanese Y100 Coin Return Button Assembly 99 10020 U K 10 P Coin Return Button Assembly 99 10021 Australian 200 Coin Return Button Assembly 99 10022 Italian 100 Lire Coin Return Button Assembly 99 10040 Coin Inlet Chute Assembly 99 10041 Coin Counter Assembly 99 10042 Coin Switch Assembly for U S 250 and Belgian 5 Fr Coins silver wire 99 10043 Coin Switch Assembly for German 1 DM Swiss 1 Fr and Japanese Y100 Coins black wir
59. ts 20 000 points S Hard game difficulty Easy game difficulty l credit minimum 2 credit minimum Manufacturer s suggested sett ngs Refer to F Game Play for information on game difficulty For pricing for credits see Figure 8 Changing toggles 3 7 erases the high score table 10 Centipede Figure 8 Game Price Settings white block below contains Atari s suggested settings All Circled numbers refer to game pricing labels you should use numbers 1thru8 are toggle settings on the 8 toggle switch at 10 with each situation labels are onthe following page Use the cation NB on the Centipede Game PCS the LEFT switch as label no 6 indicated with only if you set toggle 8 at PCB sembly switch assembly Ng to off 50 PER CREDIT Bonus Bonus 75 2 credits No bonus 1 00 3 credits 3 credits Straight 25 Door 25 1 00 Door or 25 2521 1 00 Door 25 PER CREDIT Q onus Bonus No bonus 50 3 credits 1 00 5 credits 8 7 6 5 Off Off Off 9 4 3 2 1 Off Off On Off Straight 25 Door 25 1 00 Door or 25 25 1 00 Door Centipede Figure 8 Game Price Settings continued The switch settings below relate to options for game price coin mechanism multipliers and bonus play This information is useful in case you need to temporarily set the Centipede game on free play or it you have German coin mechanisms in your
60. ts in your hands Implosion Hazard If you drop the monitor and the picture tube breaks it will implode Shattered glass and the yoke can fly 6 feet or more from the implosion Use care when re placing any monitor Disassemble in the order indicated Circled numbers match the steps above Centipede To remove the color monitor follow steps 1 thru 6 below Refer to the accompanying Figure 12 1 Se sure the game is unplugged from its wall out let Unlock and open the rear access panel coin door and control panel 2 Remove the glass monitor shield Carefully re move the four staples that secure the blue card board bezel As an extra precaution we highly recommend you discharge the high voltage from the picture tube 3 Standing at the rear opening of the game locate the 2 and 6 harness connectors for the monitor Unplug both of these 4 At the bottom rear of the monitor chassis is a wood screw that secures rear part of the chas sis Remove this screw 5 From the front of the cabinet locate the flat washers and self locking hex nuts two sets un derneath and two sets above the monitor Screen This hardware attaches the monitor to the cabinet Remove this hardware 6 Carefully pull the monitor chassis out of the cabinet towards you 22 Figure 12 Monitor Removal 21 Centipede E Printed Circuit Board Removal You may wish to remove the Centipede ga
61. wise you may erase the high score table 1 Attract Mode The attract mode begins when power is applied to the game after a play or high score initial mode or after self test This mode is continuous and is only interrupted when a game is paid for and accepted or when in self test In this mode the monitor displays two pictures simultaneously One of the pictures is operator selectable for one of four languages Placed in the center of the screen the picture shows the high score table game price and the bonus life achievement level If the operator sets the Centipede game for free play the game will not display a game price message The high score table shows the eight highest scores and their matching initials If you erase the special permanent memory see Figure 6 Self Test Procedure then this table will contain ficti tious scores and initials The table is redeveloped from subsequent games with scores of more than 12 102 points Subsection 4 High Score Initial Mode explains this table in more detail Centipede Operators may choose one or two credit mini mums by selecting one of the option switch set tings on the game PCB see Figure 7 Game Option Settings If the game is set for a 2 credit minimum that message will be displayed on the screen No spe cial message appears if Centipede is set to the op posite setting namely i credit minimum The other picture surrounds the high score table game
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