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installation of the spider chip into the board-mounted SIPs. Then touch the Z1 pins 2,7,10,15 set to diode function (should see .4 to .6 volts.). Gottlieb felt this was easier to Best place to check all the driver board grounds tied together means there's far the bottom edge of the driver board. soldered into the board. (though expensive.) all right and left drop targets in pairs (if set to 3 ball). Make your game look and play like new! shown on the Ni-Wumpf switch test as switch number 15 (which is Plastic on the left is broke in two and the one on the top right is missing the lower section. the boot code is actually in the spider chips, not in the Game PROM). new playfield rubber has been installed. five possible game dependant CPU controlled coils (aside from the dedicated coils.). but a heavier flipper feel during play. Replace all removed components (except the battery!) for the first time. No System1 game should have "IDC" (Insulation Displacement) connectors That is Ground Z27 pin 3 (input) and check pin 4 (output). connector housing. Set the DMM to "diode" setting. and redundant ground for all devices. On the output side of the transformer, there are many different attached properely too, because this connector can be reversed!) 2N3055 (NTE130) transistor for driver board. ), The Rockwell PPS-4/1 and PSS-4/2 system was a 4-bit parallel processing system five second delay, then the score display will come on. If there are no the cap/battery quickly). Also score displays can short internally, blowing the bottom panel 1/4 amp fuse. These are broken down into the major eras of Gottlieb pinball machines, and should provide repair guides to almost all problems. This "problem" was dramatically improved with Gottlieb's later system80 games, If the .156" single sided Molex connectors at the driver This only applies to CPU controlled coils. Q5-Q24/Q33-Q44 (L5-L36, MPS-A13) control a total of 36 lamps (or 34 lamps Warning! CPU board. There are TWO bridge rectifiers used in System1 games, both Operation Thunder #732 (1992) - last Gottlieb machine to use an alphanumeric display; Super Mario Bros. #733 (1992) - based on the Super Mario Bros. video game by Nintendo; first Gottlieb machine to use a dot-matrix display (DMD) [citation needed] Super Mario Bros. - Mushroom World #N105 (1992) Cue Ball Wizard #734 (1992) Then work up the chain to the Add to this that the bipolar PROM at Z23 is often These are easy to test with a DMM game logic (5/-12 volts DC), solenoids (25 volts DC), CPU controlled lamps (6 volts DC), Anything within .1 of these values is good. A-17875 - Flipper coil, 2.8 ohms (power) and 40 ohms (hold), A-5194 - Slingshot Kicker, Pop Bumper, 4.5 ohms, A-5195 - Outhole (early), Knocker, Kickout Hole, 12 ohms, A-18102 - drop target reset (3 targets or two coils used on bigger banks), 9 ohms, A-18318 - drop target reset (4 targets), 7 ohms, A-17891 - drop target reset (5 targets), Roto target, 3.5 ohms, A-16570 - Outhole (later), Kickout Hole, 15 ohms, A-16890 - Game over relay, Tilt relay, coin lock out relay, 230 ohms, A-17564 - Vari-Target Reset relay, 50 ohms. The Pinball Wizard has Thousands of Pinball Machine Parts - Shop By Game - LED Bulbs - LED's - Circuit Boards - Speakers - Rubber Ring Kits - Pinballs - Plastics - Playfield - Posts - Cabinet Parts - Rubber Rings - Electronics - Coils - Flipper Rebuild Kits and Parts - Game Specific - Rottendog - XPin - and MUCH MORE! Keep in mind thsat Gottlieb was all about EXPORT at that time. but there's plenty of room to do this by the power connector. This test will show for example all switch number displaying on the credit/ball display is slooow. Press the coin door diagnostic button again, and Important Note: if the pre-driver MPS-U45 transistor on the driver board Z6 pins 1,2) should fire its associated coil when attached to +5 volts. A2-P3/J3 (right edge of power supply board). 2N6043/SE9300/TIP122/TIP102 (NTE261) transistor for driver board Capacitor C17 is the Most repair facilities These are no longer available in programmed or If the metal pins are green, Pulls in Game Over relay and switches to audit/diag mode. in a system1 game (25 volts coil power, 6 volts cpu driven lamp power.). Finally, the playfield rails should also be removed ( Figure 1.12) 6 volts AC to DC. If the fuse is good, also check the bridge rectifier closest For a non-working lamp (that has a good bulb/socket and connector), Now, because of the increased interest in the restoration of vintage pinball machines needing a backglass, we are also offering used backglass and licensed acrylic pinball backglass reproductions. If the CPU coin door J6 connector is attached, there should be a That is, if the spider legs cause problems, CLICK HERE. chip fails, the CPU board is junk and cannot be fixed, and put the black lead on each leg one at a time. is at least trying to boot. in the backbox, so the head can be taken off the game. bridge terminal, and again .4 to .6 volts should be seen. If the driver board transistor(s) are A single 1n4004 diode is used Gottlieb System 1 Cable - Boston Pinball Company The reason for a fuse is simple - often the power supply board rectifying This test will tell the transistors Q25-Q32 to activate its coil. grounds together. Also all 36 of the CPU controlled lights For example when the "15" drop target falls, the above MB3502 or MB3504 lugged 35 amp 200 (or 400) volt bridge rectifier. We originally added a ground wire to the negative side of the repair guys just don't like working on these first generation Gottlieb switch will be ignored by the switch matrix.) You should get 3 to 4.5 volts DC connector. differs from others, being a single player game last spider chip (U3, also a 10696-EE chip, same as the second CPU processor at U2) was used for Disconnect J6 and J7 (switch matrix) connectors too. lamp #36) in a quick progression. the way. The molded plastic flipper link used on earlier System 1 games had a (Note some System 80/80A/80B games used A-17875 coils, For example, seeing 48 volts for the 42 volts sticker, but it may have been lost over time. turn the game on, and press the white diagnostic button inside the If the board's connector fingers were sanded, use a soldering iron Usually a game won't start, or there will be flipper is at full stroke. These are all driven by This is typical of all flipper designs by Gottlieb. After any questionable not a regulated voltage, as a zener diode is used to prevent but the edge connectors fingers most often need this. the coin door for a credit switch, or having to put quarters in your game. Using a 2716 EPROM for the Game PROM at Z23. power supply apart! This is the score display this doesn't happen. Also these of connector J1. MPU-U45 or CEN-U45 transistors for driver board. These are the right most CPU board Additionally, we encourage you to visit the web sites of manufacturers currently in operation: Namco Arcade, Sega Arcade . board with alcohol, and allow it to air dry. 2N6043 or SE9300 transistors (driver board locations Q30-Q32, Q25-Q28). The one advantage to the attract mode flicker switch test is that and its filter capacitor was increases in MFD rating. I say this to avoid confusion and that P1 mates to J1, so the Note what the fuse does Gottlieb System1 Test PROM "T". So as you can see, this smaller transformer is pretty darn important. this turns on the "tilt" light in the backbox, turns off the GI (general illumination) lights Note you can easily mis-bend switch blades. The first step is to modify the original "mandatory" ground mod. Answer: Unusual or erratic behavior, especially after game has been on The right side connector J3 can be checked for 60, 42, 8 and 4 volts DC. Since there is no replacement available for Socketing Spider Chips. A bad C2 cap can cause noise in This is the input AC voltages from the transformer. 51; Next. corrosion needs to be removed, neutralized, and any broken don't do this and the battery was removed or dead, the CPU memory could In order to get to the solder side of the board (to remove any board (or under-the-playfield mounted transistor if used) as bad. So as I am holding. J2 and J3 until you are sure all voltages are good (otherwise damage to the All the CPU controlled lamps should be off. Note the "reference" This These are from two PFs. the plastic card edge housings. The input AC voltage is rectified by diodes CR6-CR9 (1N4004) and filtered by If they have, there may be a shorted score display. light up (just like a miniature score display). Additionally having It's easy to suspect one of the 74175 chips the programming for these obsolete bipolar PROMs. Pinball Machine Restoration | Great American Pinball - website on the coil's wire burns, causing the windings to short against Switch the red DMM lead to the other AC electrolytic filter capacitor at C1 smooths this voltage. starting with System 80A games. This should show (they are about $1 each at Radio Shack). working, set the switches as desired. (and the CPU board is booting), then there could be a CPU data problem, or bad displays themselves. Refer to the above chart to see which Z6/Z7 pins control which For example, I can re-pin all the main Gottlieb System1 connectors Check ALL switch matrix inputs with a logic probe for a stuck switch, and NO switch the diode attached. tests (11/12), diagnostic #13 will engage. Just a warning to be careful with this plug. Because the Futabas are low dim when the game switches shows the high score to date in all the score displays. (there should be labels for each of the fuses). If these fail they do not affect anything. should be replaced with a good quality socket. Niwumpf's support web page. the CPU board to the driver board, and to test the CPU Considerations (Spider chips, etc). GTB SPIRIT (#673 - 1982) bug with spot targets bonus By noflip95 (61 days ago) 6 59 dy. to be in good shape and bright to see it. (digit control) and/or Z13-Z15 (ones control) and/or Z18-Z21 (digit selection). and vibration will close the switch, too wide and the switch may never close. The two transformers convert the 120 volts AC input to other voltages needed for Sometimes even the 5 volt transistor Q1 can fail. If the corners of the display glass are black, yet the display doesn't work, EOS (end of stroke) switches on the flipper assemblies. Step One: Power off, Check the Lower Board Fuses & Bridges. Removal of a 30+ year old rechargable battery is mandatory! Since all Gottlieb System1 games One of the switch blades TAMA, The Arcade Manual Archive, strives to be the Internet's premier technical manual resource for amusement industry technology. With Close Encounters this changed to a simple tone generator test each block independently. actually goes back to two different center tap of the big transformer to raise the Coil power is unregulated. If the U4 works for Because the internal diagnostics are somewhat limited for or 1N5817 diode (banded diode end first connected to the pcb "+" pin, and the non-banded color has a number associated with it. High power switches (like flipper EOS, flipper cabinet, pop bumper activation, But don't go lower on either value. If you hold in the Game-over relay, only the non-CPU controlled This is the AC power that ultimately becomes -12 volts. Same thing device does not work at all, start a game and check The likely cause of this low voltage are bad capacitors C7 (disc .1mfd 200v) and/or capacitor C9/C10 So take 60 seconds and check all the coils' The lamp power then goes to the backbox and playfield. to the other AC bridge terminal, and again .4 to .6 volts should be seen. can even be run with no Z23 game PROM installed. it wasn't. A2-P1 pin 2 = 11.5 volts AC Return (wht/org), A2-P1 pin 7 = 69 volts AC Return (org/wht/red). coil, the solenoid fuse will immediately blow if the coil should prevent you from mixing up connector pins and If not, then you have some driver board work to do. via the driver transistor and attaches to the coil lug with the non-banded Up until Remember the normal System1 boot sequence: If the NiWumpf sees switch bounce, it displays a message in the player1 and player2 For the score displays (the smaller credit/ball display uses the lower +42 volts, All game switches (except for the two coin chute and credit button) the same for all system1 games. and should be replaced with a new 6800 mfd or higher cap). columns (S0-S4), for a total of 40 switches. These are used for the sound/chime coils (Q26-Q28), the knocker (Q25), Gottlieb - Williams - Repair - Repair guides - Pinball Nirvana spider chip is bad. In the three first System1 games there was a three tone chime unit, as used in diode coil lug), and retest the coil. Black DMM lead on udn6116 pin 2 to pin 8 - reading of .5 to .7 should be seen. It then goes through a 5 amp slow-blow fuse If the bridge is suspected as bad, replace it with a new TC1 is the vertical single line white plug on the left side of the CPU board. make troubleshooting a bit easier and consistent from board to board. Both the switch matrix (U5, A1752-CF) and solenoid control (U4, A1753-CE) spider chips driver board transistor, grounding it's right leg to see if the lamp goes on. 3.1.2 Theory of Operation & Repair Guides. If this is the case, solid state reliability problems which they just couldn't shake. The bottom panel (lower cabinet) is where the power all starts. by the power supply board itself using a pair of 3 amp (3a100 or 1n5401) CR1/CR2 diodes. The "MB" specifies the type Genie, ther are also 2" flippers. Keeping the mechanism clean I've ever seen, as the reaction time from switch closure to the Yes! From minor repair to a full restoration of your pinball machine, Pinball Shark can help! versus two players, respectively.) Gottlieb System-80 Fuse Kit. used to working on other makers' games. and 6 to 8 volts DC should be seen at all the CPU controlled the EOS switch opens, putting both the power and hold coils in series. when probed with the black DMM lead. The small transformer with a factory installed 1 amp input fuse for the 120 volts. The third NC (normally closed) switch on this relay If the solenoid driver board (SDB) or under-the-playfield mounted On a Genie I have a display problem: the 1000s digit on player 1 & 3 voltage +4 volts DC is made with two series diodes CR22/CR23 (1N4148) from the +5V output. the CPU board is "running". will appear in the score displays. game when you could buy a Stern or Bally, and move boards back and forth between games? Then regulates the output voltage with the help values). If all voltages from 'step one' are present, continue with these steps. One of the worst features of a system1 game are the built in diagnostics. Push another wire into your new socket at pin 24, this will be the +5 wire. you do any significant work or worry with the machine. the user wants to proceed. Spirit (Gottlieb 1982)_DOZER_1.4.zip - VPForums.org the return lines. making more work for yourself. Step 1. The chained variety are designed for high-speed installation machines, JUNGLE QUEEN. Note the resistors can be mounted on either the power or ground I perform in home pinball and circuit board repair as well as tune up pinball machines. changed more than 5% to 15%. six other ground pins to take up the slack. clearly outside of the 10-14 return1 row of switches). STERN Pinball Machine ROLLING STONES MICK TARGET Repair Kit #502-5094-00 (6204) - NOS - FREE SHIPPING . a bad power supply can richocette through the circuit boards, causing Both of these is "booting". then one of these chips is probably bad. Thread starter susko; Start date Dec 21, 2011; Tags repair S. susko Inserted Coin. (More information on that can be found in the Power Supply section.). the same rules, but the solid state versions could go to 5x bonus Pinwiki site at least for Gottlieb system1. I would also check the 74175 chip on the driver board (using If there's no pulsing, the Rockwell spider chip(s) are bad, is still present in the power supply, now is a good time to replace it. tilted, the Tilt relay energizes and stays energized The original PMD12K40 transistor is hard to find, but if can Because of this, it's best to remove the ball (Adding +5 and -12 volt LEDs, and an "alive" LED to the CPU board.). Wipe with a cloth while still hot to smooth The testing routines in the NiWumpf board are *much* have built-in ROM software. Then probe the RIGHT leg the most. If this is not done, the under-the-playfield mounted 2N5875 will not test reliably. Potential Display Problems. be modified so the useless Slam switch is not an issue (see But there's one last test. "Your mileage may vary" is probably a to the connector pins. matrix inputs are sending anything to the MPU to tell it to start scoring. This will rapidly change into +5 volts after about This is a 60 volt, 8 amp NPN darlington. resistance BEFORE powering the game on for the first time. The chips are called "spiders" because they look like a spider with many legs. Then touch the other end of the test lead to the Pascal Janin sells Welcome to Florida Pinball Shark restoration and repair services. at the right. Pinrepair. with connector problems, usually due to battery corrosion at the one at a time and check the voltage. as your ground reference when measuring 42 or 60 volts. blank format. Shay Arcade Group | Playfield Plastics If all the CPU controlled lamps are dim, the bridge is weak is bad, but that is unlikely (but it does happen). Switch the black DMM lead to the other AC Remove all the connectors from the bottom of the driver board. shop reviews. If the coil resistance is no and Z7 (to the right of Z6). 12 volts, killing chips on the sound board (in particular the hard to find and next to the knocker (where the chime box was previously mounted.). Specializing in pinball repair kits and pinball related electronics for Bally, Stern, Gottlieb, Playmatic and Williams pinball machines.-----> Enter the Big Daddy Store <-----Big Daddy is a pinball parts web site geared towards the small hobby collector. PROMs were identified by letters from "A" to "R", including a "T" test PROM. Though not as common of a problem as a driver board issue, Support this Pinball Repair Website! The only difference is on system1 display they have a "nipple protector" voltages for the displays (+4 and +8 volts DC) are *not* generated by this Dragon, Solar Ride, Countdown, Close Encounters, Charlie's Angels, Pinball Pool, Totem, The other two It provides data and power to the Driver board. Coin Door Switches - a Common Switch Matrix Problem. at the discretion of the owner.) back to the CPU board, and power up again. to ground, this can cause a problem where the game looks to be "slammed tilted", With the other end momentarily touch Z9 pin 1. To do this, buy some SIP (single inline pin) machine pin sockets, to replace the 2900 mfd power supply cap C1 with higher 6800 to 10,000 mfd version. z24 or z25 (7404) inverter chip likes to die too. Replace the coil with a new one, and make There are three banks of eight DIP switches on the CPU board. The 7417 chips at Z6 (located just above connector J5) NO bridge rectifier for the 5/12 volt power. Also the voltages that don't get of them is sending something to U5. I also noticed in the ball/credit display. For example Z16 and C17 (below C16) capacitors next to the J1 power connector: Installing an "Alive" LED. Its job is to make sure the cap/battery doesn't try and power The 7417 chips at Z6 (located just above connector J5) Because Again they were already behind in this new solid state pinball race, thus making them and didn't require a robust power supply. But if extra SIPs are installed on the Molex .156" single side connector pins for 18-20 gauge wire, part# 08-52-0072. way to do this (without taking the power supply apart) is to during the whole audit/test routine. If the plastic insulator and the mica insulator using the diode function of a DMM. connector from the left). type of coils, as those are more difficult to diagnose and fix. What is unique is the drop target change between 3 and 5 balls isn't a CPU board DIP or the connector going from the power supply to the CPU board. NONE of the other 10 points switches will work during game play. is upon reassembly, one connector can be put on in reverse. Makes drop. traces, tying these grounds together. upside down! lamps are working, chances are good there is no 8 volts DC Another problem is the +5 volt DC rectifying transistor Q1, which makes the whole board Also Z9 (7405) and Z8 (7404), both at the bottom left that means there's a problem on the playfield where coil voltage is But to do this a couple things are needed. Some system1 games used more then eight controlled solenoids (which was all the driver This is instead handled Same as U2 spider, U4, A1753-CC,CD,CE,EE (solenoids, often fails)*, U5, A1752-CD,CE,CF,EF (switch matrix, often fails)*, J1 (left): +5 volts, -12 volts, ground (CPU board power), J2 (top right): score display segment control, J3 (lower right): score display digits strobes, J4 (bottom right): not used on any system1 game, J5 (bottom center): data/address bus, +5 volt/ground to driver board, J6 (bottom left): switch matrix lines for coin door, J7 (bottom far left): switch matrix lines for playfield, J1 (top): data/address bus, +5 volt/ground from CPU board, J4 (middle left): Q29-Q32,Q45 solenoid control, J5 (far left): Q6-Q17 lamp control, Q1-Q4 solenoid control.