Arachnid 1000 Series Information
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Arachnid 1000 Series Information

Arachnid 1000 Series Information

Dart game
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P.O. Box 2901, Rockford, IL 61132-2901
The following pages are being made available to those that need technical information on
our older dart games. We realize that it is not in any way complete, and that some of the
information is hand drawn, but we are furnishing what we have in case it will help someone.
There are no parts available for these older games, nor is anyone at Arachnid familiar with
them. We hope that what we can provide will be of some assistance.
Information for the
1000 Series Dart Game
F A X N O . 6 5 4 - 0 4 4 7

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  • Page 1 There are no parts available for these older games, nor is anyone at Arachnid familiar with them. We hope that what we can provide will be of some assistance.
  • Page 2 AD-1000 SERIES DART GAME - MODEL TYPE CLASSIFICATION This classification consists of sections AD - for Arachnid Darts 4 numbers - the appearance of the game etc. 1000 = flat top to lower cabinet mat type score inhibit. 1001 = sloping top to lower cabinet 'Player Change' score inhibit.
  • Page 3 C O P Y NO. ISSUE; TO: ENGLISH MARK DARTS -- MODELS 1000 and 1001 CONTENTS SECTION 1. Outline Electrical Specification Machine Operation Cabinet fixtures Dart board Electronics Package Fault diagnoses --preliminary listing Maintenance CAUTION: This information must be treated as preliminary and may be subject to revision by subsequent documents.
  • Page 4 M A C H I N E OPERATION SECTION 2 the 301 game rules 2 . 1 THE 'Game of Darts: ‘The players start with a score of 301 and each dart's score' players total therefore decreases s u b t r a c t e d f r o m i t .
  • Page 5 The Displays on the English Mark Darts machlne. four sets of three decades (hundreds, tens and units) ( i ) of LED (light emitting diode) displays--are for each These show the players score during the course player. Further they indicate how many players are of the game.
  • Page 6 SIGNAL DESCRIPTION LISTS NUMBERING SYSTEM signals going into coming individual circuit cards have been designated unique number. -The simple code either initially this signifies whether ACTIVE portion that signal long term transitory. -The second digit either Again this designates ACTIVE part pulse level...
  • Page 7 SECTION 3 CABINET FIXTURES Cabinet The machine. comprises an upper and lower cabinet. The lower cabinet houses solely the coin mechanism and is accessible only from the front in the coin door. All the remainder of the game is contained within the upper cabinet. Access to this is through the door on the rear.
  • Page 9 Diode Matrix Each segment's switch contacts are connected to a printed circuit card which is assembled to encircle the outer ring of (The card is 2 1 / 2 " wide by 48" long when laid flat switches. prior to assembly). and triples are connected by red, blue The singles, doubles...
  • Page 11 ELECTRONICS PACKAGE SECTION 5 Component Parts The electronics package comprises 8 plug in printed circuit Which component cards (daughter cards) approximately 8" x 5". The motherboard is fit into a printed circuit motherboard. and houses the 4 sets of the 7 segment approximately 21"...
  • Page 12 SIGNAL DESCRIPTION LIST SOURCE S I G N A L CHARACTERISTICS FUNCTION D E S T I N A T I C C O D E (TTL LEVELS WHERE OTHERWISE Decoded binary score. Noisy severe' Matrix PO-01 50 msec to be bounce.
  • Page 13 SIGNAL DESCRIPTION LIST SIGNAL SOURCE CHARACTERISTICS FUNCTION DEST NATION CODE S T A T E D - - - 15 msec. from PO-17 if Bust situation exist PO-20 Clocks 3 decade counters on PSD for parallel load. Loads last score if Ll-31 is at 0. Occurs when BUST detected.
  • Page 14 SIGNAL DESCRJPTION LIST SOURCE SIGNAL CHARACTERISTICS FUNCTION DEST NATION CODE W H E T H E R W I S E S T A T E D Signals not used LO-01 'number of players in game' register. Derived from Drives (via PSD and out on Ll-30) associated disp Used i.n curre‘nt...
  • Page 15 SIGNAL DESCRIPTION LIST SOURCE SIGNAL AND FUNCTIOi CODE DESTINATION T E D Potential use as Lamp Test facility connected. to PSD(4) LO-23 and TSD(15 for all 7 segment displays. drives used to sink current from approp- TSD to 7 seg LO-24 units riate LED displays of Break Score.
  • Page 16 Score-to-Pulse Conversion (SPC) Card Motherboard) The 6 encoded inputs PO-01 through PO-06 (weighted 1,2,4,8,16,32 respectively) from the dartboard and its diode matrix are the prime inputs to this card. Because of the non uniform nature of the dartboard signal, each of these six are conditioned into uniform pulses, around milliseconds...
  • Page 18 C A R D C O M P N . T Y P E D E S C R I P T I O N M T L # N O . O F F C C T . R E F . S N - 7 4 0 0 T T L I N T E G R A T E D C...
  • Page 19 Game Player Management (GPM) card (PL2) on the Motherboard) The major function of this card are: to count the number of coins and hence the number of players in the game. to sequence the players' turn when the player change (ii) button pressed...
  • Page 20 C O M P O N E N T P A R T S L I S T - W B D B O A R D O F F C C T . R E F . D E S C R I P T I O N S U P P L I E R / O R D E R I N G I N F O S N - 7 4 0 0...
  • Page 21 The WIN and BUST Detection (WBD) card. second register is the BUST register. It outputs It also triggers monostable which provides a pulse to drive the buzzer. The oulse from IC15 is also‘used with gating from the appropriate signals 'player turn' These are routed to the 4 PSD cards and become clock pulses to parallel load of the 3 decade counters.
  • Page 22 C O M P O N E N T P A R T S L I S T - P S D C A R D D E S C R I P T I O N N O . O F F . C C T .
  • Page 23 5.6 The Lamp Driver and Power Supply (LDPS) card (PL8 on the Motherboard) The lamp driving parts of this card consist of 10 identical circuits associated components)which have The specific lamps they drive are de- drive capability of tailed elsewhere (notably signal description...
  • Page 24 S H E E T 1 O F 2 C O M P O N E N T P A R T S L I S T - L D P S C A R D C O M P N . T Y P E D E S C R I P T I O N N O .
  • Page 25 C O M P O N E N T P A R T S L I S T - LDPS CARD (CON’T) C C T . R E F . C O M P N . T Y P E N O .
  • Page 26 FAULT'DIAGNOSES SECTION 6 Machine If the lamps behind the 'Player Change' caption are not lit then this indicates a lack of power to the machine. Check--preferably this order: the main outlet socket supplying the machine and any significant number extention cord if one may be used. of 'machine' faults are attributable to a lack of 115V ac.
  • Page 27 Machine scoring properly This can be caused by faults in the electronics or problems, with the Dartboard Assembly and the technique is to ascertain which of these two are giving trouble. Set up 4 players in a new game and score a single 13 for each. (Take care not to hold down the 13 segment too long so that it could be recorded twice over).- Check the displayed score reads...
  • Page 28 Dartboard mis-scoring Press in turn, and taking noteof the recorded score at each time, the segments: singles and double 16. If any of these numbers fa,il to record,note the ones which are bad, add these missing numbers together investigate those switch contacts (for...
  • Page 29 The six encoded 1 into the SPC card. train which is fed to one of the four PSD cards. depending upon majority mis-scoring problems whose turn it is. electronics is therefore in the SPC or the PSD cards. The proceedure to narrow d.own the fault identification...is recommended to be: put four players up on:the...
  • Page 30 Machine not either Winning, or Busting, or Both electronics package, signals from all 4 players score cards (PSD) feed the Win and Bust Detection card. If therefore only one player is experiencing difficulty in winning or busting The answer is ascertained it could be his PSD card or the WBD card.
  • Page 31 Machine switching between 'Throw Darts' 'Remove Darts' Player Change pushbutton initiates this sequence whereby for 5 seconds after pressing it, the dartboard is de-activated (so that players can remove their darts without giving themselves false scores) and the 'Throw Darts' caption goes out and the 'Remave Darts' caption comes on.
  • Page 32 Replacement of a caption lamp. 6.12 Use the proceedure given in section 6.11 for the removal of the motherboard and after its removal, extract the dead lamp. The replacement lamps come supplied with sockets on their There should be discarded, the leads bent over and 2 leads.
  • Page 33 MAINTENANCE SECTION 7 Coin Mechanism Periodically clean the mechanism by using a screw driver with The mechanism must a cloth over the blade of the screw driver. be free of any foreign matter which may cushion the bounce of the coin.
  • Page 34 Buzzer screw of the Buzzer mounting plate Adjusting lower fixing It needs to be screwed in so controls the volume of the buzzer. that the head of the fixing screw of the buzzer itself just lightly rests against cabinet, Servicemans The following items will be necessary as particular needs to this normal complement...
  • Page 35 ARACHNID, INC. 2500 North Main Street 61103 Rockford, Illinois November 30, 1978 Changes for new Motherboard by P&P Design on backside of Motherboard (blue) is much too close to I.C. pads. holes, parallel etch work too close together for Plated through diameter of hole used.
  • Page 36 Changes for new Motherboard by P 6 P Design (Page to C7 C o n n e c t Break (17) Tie pin 112 of IC #6 to pin #5 of IC #8 (18) Tie the output of IC 118 pin 6 to IC #47 pins 13, 2, 4 and (13) IC #'s 35 &...
  • Page 37 Changes Motherboard make it a electrolytic like breadboard, holes accordingly Tie pins I's 8 & 10 of IC 1128 to pin #12 of IC i/28 Tie pin #7 of IC 1137 to -5v Tie IC #41 pin #9 to IC 842 pin 1115, not pin 1'116 Tie IC 822 pin #11 to -5v Tie collect 945 to L21...
  • Page 38 SILKSCREEN ISSUES I.. TEST PROCEDURE LDPS BOARD -WITH LDPS TEST SET- TEST ROUTINE TEST NUMBER Check visually that no joints are unsoldered or look cold and that there are no solder splashes. Apply serial number to card, with permanent marker. Use ohm-meter to check for good insulation between heat sink and the cases of all components mounted on it.
  • Page 39 ..'." PROCEDURE LDPS-BOARD TEST ROUTINE TEST NUMBERS Set SW3 and SW4 to the ON position. Meter to read previously pre-set value. to position 5. Rotate RVl slowly anti-clockwise noting the point at which the supply trips out; indicated by the voltmeter reading going z e r o , the LED going out and the relays releasing.
  • Page 40 SERIAL NUMBERS VALID FOR.CCT ISSUES &a,add 4 ISSUES 8,3,aad 4 TEST PROCEDURE BOARD (With Motherboard) TEST NUMBER TEST ROUTINE for unsoldered joints, joints that look cold and for solder splashes. Clean contacts. Mark serial numbers on board with ,black marker. Insert WBD board into appropriate position on motherboard.
  • Page 41 SERIAL NUMBERS VALID.FOR CIRCUITS -I. ISSUES.2 and 3 SILKSCREENS TEST PROCEDURE (With Motherboand) TEST NUMBER TEST PROCEDURE Check visually for unsoldered joints, cold joints and for solder splashes. Clean contacts. Mark serial number on board. Insert card into motherboard. Switch on power. Push "Coin Inserted"...
  • Page 42 / 1; t,) (; TEST PROCEDURE -- PSD BOARD (With Motherboard) TEST ROUTINE TEST NUMBER Check visually for unsoldered joints, joints that look cold and for solder splashes. Clean contacts. Mark serial number on board with indelible marker. Load 4 PSD boards into appropriate places in motherboard.. Press "COIN INSERT"...
  • Page 43 (With Motherboard) -- PSD BOARD TEST PROCEDURE TEST ROUTINE TEST NUMBER Score 80 (32+32+16) Press "PLAYER CHANGE" once,player 1 disp.reads 151. 151. 151. 151. 12. a. Press "COIN INSERT" button 4 times. Score 200 Press "PLAYER CHANGE" once, check player 1 disp.reads 101. 2"...
  • Page 44 SILKSCREEN ISSUE 2,3,4 TEST PROCEDURE GPM BOARD With Motherboard TEST NUMBER TEST ROUTINE joints that look cold and for Check visually unsoldered joints, solder splashes. Clean contacts. Mark serial number on board. Check 100 ohm resistor and 5mF capacitor have been added. Check Ra is 10K ohms.
  • Page 45 TEST PROCEDURE GPM BOARD (With Motherboard) TEST ROUTINE TEST NUMBER Press sufficient times activate'player 'Player Change' The machine will indicate a BUST situation. Score 288 (9 32). Check that player l's score returns to .285. Repeat Bb for the remaining 3 players ensuring that their score returns to 285.
  • Page 46 HEATSINK- ON LDP;. CAR? '.. c l e a n , b u r r - f r e e m o u n t i n g with card -Diode- -Plain washer -Locking washer -Nut -Do not tighte? at this stage- Repeat for 5 more diodes STAGE 4 Transis...
  • Page 47 INSTRUCTION SHEET MOTHERBOARD CHANGES MACHINES 25 thru 50.. -Link RLI-7 Pll-16 P i n A r r a n g e m e n t...
  • Page 51 C O M P O N E N T P A R T S L I S T - G P M C A R D C O M P N . T Y P E N O . O F F C C T .
  • Page 52 Game Player Management output is used to distribute the score pulse train, Pl-09 and this is output as Pl-18 a through d to the 4 PSD cards. The power-on reset circuit is controlled by stable IC21, after about Ji second after turning on power IC21 produces a pulse which as already mentioned, sets Also a pulse is sent to the WBD card,, PO-13 which sets the WIN register...

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