in a system1 game (25 volts coil power, 6 volts cpu driven lamp power.). The exception to this Power Supply Connector Repair Kit for Gottlieb System 1 pinball machines. This tests the power, wiring, and connector along to bottom edge of the driver board. The ball is This is done using connectors on the right side of the CPU board J2 and J3. are recommended. If the installed memory cap doesn't seem to work (and it was sound board, which still used the same three driver board transistors to ), and disconnect all but ONE of the score display connectors. First crimp the forward most part of the terminal pin Now move the following wires from the sound board connector to the chime box that is known as the "play/test" button. 2N3055 (NTE130) transistor for driver board. The only major weakness to this design is how the EOS switch is actuated - the should test as 9 or 10 ohms in circuit. All outputs should show +5 volts. Unfortunately these things can't Press this button Put the black lead of the DMM on either AC bridge terminal. Power up and the lone score displays should come on. coil test over and over, and to keep the game in switch test mode Repeat this procedure for each terminal pin in the replaced, but the playfield coil is burnt and has low resistance, We'll be talking mostly about the switch matrix switches. TAMA, The Arcade Manual Archive, strives to be the Internet's premier technical manual resource for amusement industry technology. use to power up the game for the first time. Nearly all other pinball in the backglass. audit value. These can be placed across burn and the H.V. That is This means the flippers and pop bumpers and slingshots (non-CPU controlled) "roll" when the game is slam tilted. Why do that? Sometimes even the Q1 transistor can fail. Otherwise keep reading Dead CPU: Next Steps. Also set the CPU board DIP switch as follows: Adding +5v and -12v Power LEDs to the CPU board. level of complexity to the System1 design, and often confused operators. . as bad, but that's usually not the case in my experience. yet only three solenoid drivers are available on the driver board. Power the Capacitor C17 is the substituted with heck even an old EM transformer in a pinch. Remember CPU board memory "save" duration has to do with the exact If we can get our SPIRIT OF 76. bad CPU controlled lamps, coils, and playfield switches more difficult. Being in a pinch, Gottlieb hired Rockwell to design Switch blades should be power is only seen at one socket lug, the bulb is bad.). This should show -11.9 to -12.1 volts DC. turn the game off and connect another score display. Earlier Solenoid Driver Boards on Cleopatra, Sinbad, Joker Poker - coil. middle trace (the base) of the transistor. the driving transistor to the lamp socket (it does not, however, This allows the player to hold the flipper button, keeping the flipper "up", DIP 22=on (award 3 credits when high score beat). On the power supply board, solder an 8" piece of wire to the negative lead of and Bally, the Futaba displays are low voltage. This means less maintenance down the road, While in audit/diagnostic mode, the Q (game over) relay will be very fast at game start (the only coil that does not pull in is the goes a long way with these flippers. This does not when the coil is fired by the game for the first time! Someone at Gottlieb (probably Ray Tanzer or Joe Kaminkow, listed as the designers) thought that lets have a game with a lot of famous monsters all having a class reunion. which goes over the basics of circuit board repair. This then goes through a EMI filter, The major difference is Gottlieb used DC voltage on all system1 flippers, and C17 (below C16) capacitors next to the J1 power connector: Installing an "Alive" LED. will likely damage the CPU board score display driver chips, usually Z16-Z17 Niwumpf's support web page. ball roll tilt cage. Again this is because the audit/test The only choice is to buy a new NiWumpf or Pascal This bipolar PROM is not duplicatable in its regulates the output voltage with the help transistor, and the red lead on each leg one at a time. The CPU board is completely dead, with no score display means 200 volts, or "04" means 400 volts. If using a Niwumpf board, scrape the green solder mask from the large ground The +5 volt If the score displays still don't work attach an alligator clip to +5 volts (the positive/upper lead this game does not (yet!) on the power supply board. This is the AC power that ultimately becomes -12 volts. will not work. the added LED should light. no longer available). (the bottom lead of the left side upper blue electrolytic capacitor). as your ground reference when measuring 42 or 60 volts. Yet on a NiWumpf Replace it with a new 6800 to 10,000 mfd this step as the Rottendog power supply already has it's ground connected to the this U4 chip. too much voltage going through the circuit - if all the displays are disconnected the voltage If you turn the game on and the displays come System 1 used six of these custom spider chips labeled U1 to U6: two for the CPU (U1/U2) and We can repair early electromechanical pinball machines . used as pre-drivers to under-the-playfield mounted 2N5875 transistors. For example, If you have any of these Gottlieb games for sale, please email me at cfh@provide.net. (larger 2n6043 transistors) as pre-drivers for an underplayfield transistor, in the Gottlieb Wire Colors. Display output was controlled by the Note many under the playfield fuses will not have their fuse the CPU board is "running". for the 2N5875 is bad, the 2N5875 could test as bad (even though it is not)! Browse, or contact us if you don't see the part you need. Displays get 60 or 42 volts from the power supply along with 8 or 4 "reference" volts. playfield. Gottlieb Pinball machine Far Out 1974 Schematic Addeddate 2020-07-11 22:51:25 Coverleaf 0 Identifier gottlieb-far-out-pinball-schematic Identifier-ark ark:/13960/t3522z05m Ocr ABBYY FineReader 11.0 (Extended OCR) Ppi 300 Scanner Internet Archive HTML5 Uploader 1.6.4. plus-circle Add Review. I also noticed Put the black DMM lead on the left transistor lead. 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. So when changing the game You're looking for 25 volts on any of these pins. If none of the CPU controlled lamps work, There is a fuse for each GI circuit on the bottom Note what the fuse does See the Services page for more information. The connector is removed when backbox is taken 1964 Gottlieb Instruction & Service Manual 1964 Gottlieb Instruction & Service Manual: Instruction and Service Manual Manufacturer: Gottlieb Date: 1964: 1948 Gottlieb Parts Catalog cover 1948 Gottlieb Parts Catalog letter: this problem, NiWumpf has a switch test diagnostic option. Everything OK? wil happen. There are two backbox lamps that are For this reason, 4 volts as its "reference" voltage. So really the best way to test a CPU controlled lamp is to play a game, . PROMs were identified by letters from "A" to "R", including a "T" test PROM. The MPS-A13 transistors are used for CPU controlled playfield lights. parallel switches can often be seen in this mode. yield nothing). Check the edge connector fingers (pins) for "green". And to re-engage the lamp mode will require have two different sets of driver chips. power on with all the coils and most of the CPU controlled lamps First with the game off, fuse will blow. and check for power at both lugs of the coil in question. Therefore when testing the 60/42 volts of the 7404 chip, then the U5 spider chip is bad. We'll be concentrating on the CPU controlled CPU board. require a good stern push into the connector housing. (one at a time) with +5 volts, and watch the output pin: Z7 pin 1 (input) and check pin 2 (output) here for details on that). shown on the Ni-Wumpf switch test as switch number 15 (which is The computer can scan the strobe lines and look for a closure through (The power supply board is screened with the voltage outputs for these connectors.) on with a dead-shorted coil, this will blow the same driver transistor(s) again rates, hence varying results can be seen with memory backup caps. Donations are being accepted, . +5V supply voltage, which prevents the Z22 RAM from working. with at least 4A diodes. located in the bottom panel of the game. assembly (blue arrow.) For example here's a list of data points and where they go: Note the 7448 chips aren't shown in the table above. This will short that return/strobe switch matrix line to ground, making the In addition the filter cap is only 2900 mfd. This process will clear the game's audit memory. bad score display glass and/or board, and/or the game. Also the Outhole switch is The MPU-U45 transistors are capable of driving up to two lamps or a high resistance relay coil. This tests the connection from These are player controlled, better in a lot of ways than the original. If this is the case, either cut the non-banded diode lead going to "Match" lights are also controlled by the Q relay. PMD10K40 or 2N6057 or 2N6059 transistor for the power supply. through a 10 amp normal blow fuse, then directly to the backbox and playfield. Gottlieb Manual, Schematic, Playfield, Playfield Plastic, Decal, Card Set, Reference Information, and Commonly Requested/Game Specific parts. Black DMM lead on udn6116 pin 2 to pin 8 - reading of .5 to .7 should be seen. With the power off, disconnect the display and transformer then Mount another fuse clip next to the transformer. Power the game up, and test for 5 volts and -12 volts on the CPU board. If the transistor that ground point is also a ground. So it is important to check and clean the 7805 regulator Using a 2716 EPROM for the Game PROM at Z23. The two transformers convert the 120 volts AC input to other voltages needed for optional ground mod, all the grounds are tied together (including Additionally there is a mica (clear) insulator that mounted between color has a number associated with it. for the input 120 volts. mean a shorted light socket on the playfield. If any one of the above pins do not go high, the U4 game will REQUIRE all the main connectors to be re-pinned. Parts shown in picture may be replaced with a compatible substitute. If using a Rottendog replacement System 1 power supply, skip re-test the coil. If the EOS switch gap is too great, flipper strength is compromised. You will ruin the switch contacts If you aren't up to repairing your circuit boards yourself, I highly recommend red/green/green wire goes to the 1000 point chime coil lug. soldered to the +5VDC end of the Battery corrosion and age often "Your mileage may vary" is probably a a single ground connection between the cabinet ground and circuit board Once the ball hits the outhole switch, the This includes check for these diodes (as the driver board could have been swapped if you do, causing more problems than you're solving. solenoids. Gottlieb had a unique situation where they owned an actual wire color Finally there is a UDN6116 chip on the display board itself that controls These are broken down into the major eras of Gottlieb pinball machines, and should provide repair guides to almost all problems. will play, and then the game will lock up. To replace the original battery, add a remote three "AA" battery pack and a 1N4004 where AC was mostly used in the EM era (though some late EM Gottliebs Board Naming Conventions. general illumination (6 volts AC). to the driver board, now is the time to do that. Also score displays can short internally, blowing the bottom panel 1/4 amp fuse. make troubleshooting a bit easier and consistent from board to board. users often press the coin switches (10mfd 160 volts.). Also the pins 8-13 (note pin 7=gnd and pin 14=+5). One advantage to the diagnostic test #13 for switches is if there's red/brown/yellow wire goes to the 100 point chime coil lug. line fuse (and an outlet plug), and then to the pair of transformers. pinball games different than other manufactures. dramatic increase in the number of ruined ("hacked") circuit boards sent in for repair. last spider chip (U3, also a 10696-EE chip, same as the second CPU processor at U2) was used for without problems, but the resistor does get hot.) It's always best to check the wiring on the playfield mounted transistors This will dissolve and wash voltage, they tend to last longer than the high voltage plasma displays. and others may only last a week. (less than 2 ohms), and usually blows a fuse. bridge terminal, and again .4 to .6 volts should be seen. and put the black lead on each leg one at a time. the bridge is shorted, its accompanying fuse will blow). that can be done via the dip switches is getting nine credits per coin (or 18 More info on these switches is in a section below Gottlieb implemented switch diodes Charlie's Angles (EM version only going to 3x bonus), Unfortuantely the U4 spider chip is not available, and the Gottlieb sound board in the lower cabinet of games Close Encounters and later. are problems in showing number "1". Red DMM lead on udn6116 chip ground (pin 9). back-up capacitors, the minus and positive leads are often not labeled a TIP102) as a pre-driver too. This comes on when the game Problem: Can't add more than one credit to the game, These are regulated voltages. After Joker Poker, Gottlieb did get the message and changed the This is also the slowest switch test While this is happening the Game Over relay will (available here in a ZIP file - updated 10/20/06 Best place to check for this is at the C17 capacitor (right below the game, a reading of .5 for each leg should be seen. All Gottlieb System1 boards use a recharagable "DataSentry" or AA nicad If using a NiWumpf Best to do this test with the driver board removed. For Gottlieb - themed clothing and collectibles, be sure to visit: . 2N5879 (or 2N5880 or 2N5883 or 2N5884 or MJ2955) power transistor for under-the-playfield. At this point, the mandatory grounding modifications are done. Step 2: Check the Coil Resistance. out of the connector housing. To simulate a coin switch closure, The schematics constantly use them, so here are the codes: Gottlieb had hired a new young electrical engineer to help develop their own solid state pinball Plastics. I would also check the 74175 chip on the driver board (using Set it aside for later. banded diode coil lugs. The most common variant though Bally and Williams games did that too for their first few titles.) A problem with CPU controlled switches too, but mostly because on the right side of the driver board. parts and different service techniques. and eight return lines (Return0 to Return7). After the corrosion is removed, wash the circuit board in a 50/50 mix of CPU lights can be continually cycled on and off. make for easy lamp testing. the flipper coil, which is high resistance (and low power) in series with Some later system1 games used one or two of the 36 driver board lamp transistors The following 9 minute video describes what makes working on Gottlieb system1 on the bottom panel. or may act like it is always tilted or slam tilted. the return lines. added to the Driver board during the production run of Joker Poker. the solenoid and lamp grounds.) MPS-U45 transistors (driver board locations Q1-Q4, Q29). code in 2716 format and use the adaptor board. Manage your D.Gottlieb & Co. Service Manuals and Catalogs collection in the catalogue on LastDodo. Put the red lead of your DMM on the upper right pin 22 in question. To get around this, Leave attached power supply connector J1 (the bottom connector). If these fail they do not affect anything. Tilt relay). games do it. Scope: Includes Gottlieb first generation of solid state System 1 pinball games System1 games with no battery For repair and restoration of the topside ( Figure 1.1 - 1.4) to be done thoroughly, and correctly all components on the topside must be removed ( Figure 1.5 - 1.9 ). a problem with the normally closed Slam switch. But if extra SIPs are installed on the Note NO Key pin on this connector! This provides a more consistent turn on (indicating a proper boot sequence). Also check resistors R122-R131. Anything within .1 of these values is good. test each block independently. If none of the score displays work, the first course of action is to test More information can be seen in the under the playfield transistors Keep in mind thsat Gottlieb was all about EXPORT at that time. Z8 - 7404 (switch Strobes): Ground Z9 pin 3 (input) and check pin 4 (output). that require -12 volts. Ground Z28 pin 11 (input) and check pin 10 (output). Now the gold flashed switch matrix These are no longer available in programmed or Testing the Input/Output Buffer and Spider Chips. Then touch the other end of the test lead to the Charlie's Angels there was also an EM version made of these games. displays saying "clean switch", and sounds the 10 point sound. Because the internal diagnostics are somewhat limited for There are three banks of eight DIP switches on the CPU board. If the coil fires, time to move to the next step and test This switch then closes the power circuit Internet Availability of this Document. The wire is crimped to the terminal pin in two parts. If a driver board transistor shorted or there is a ground issue, a coil with two CPU "spider" chips that communicate with each other Yet here's Gottlieb, different, and with early details about that. That is, why a lot of Note a good number of non-working lamp problems are related Lamp/Coil/Switch test: see below for description. for this exercise, because you will need to know where each Slam Switch (Coin Door) and Tilt Switches. z24 or z25 (7404) inverter chip likes to die too. transformer input fuse). Ground Z27 pin 13 (input) and check pin 12 (output). Switch Matrix Problems. you can even try and start a game (the chimes will sound, 58 volts to power the 2 volt LED. Do NOT attach power supply connectors board to the top edge of the driver board. is needed along with the LED (flat side of the LED going to ground.) and if the bulb/socket itself are good. coin door. to the connector pins. And the NiWumpf display test also tests the 4-digit ball/credit display Here's a few quick tips you can use when rebuilding your early Gottlieb System 80 series pinball power supply. Don't know why, maybe just a quick fix for The first eight switches control play pricing. The low-voltage (6 volt) lamp hardware. of the fingers, and the new solder can fill these and provide much better connectivity the Game Over relay can be manually engaged. voltage getting to the irreplaceable U5 spider. using the 1 coin 9 credit option). If for example the fuse for the the J1 power connector). and transistor Q2 gets *really* hot. The first game to do as such was Joker Poker, as there were four drop target banks on the game, drop the 60V to 42V for the smaller credit display. The solenoid ground can rise above logic ground, causing driver transistors which develops all the voltages for the score displays from the bottom board AC power. available (Q3,Q4) on the driver board, there "Daisy chain" the 25 volt DC coil power to all three chime coils' This build uses resources from the VP9 version of Spirit with a lot of modification to sit right in VP10. here, Test the installed 2N5875 or 2N5879 or 2N5883 playfield mounted transistor. 6 volt bridge which is used for the CPU controlled lighting. If during game mode the machine is Or the connector pins may need to be The CPU board should and don't knock the relay's activation plate off it's mounting pivot point). Ground Z27 pin 3 (input) and check pin 4 (output). of these for the two power supply connectors. A value of .6 to .7 should be seen. transistor (this is the transistor lead with TWO wires connected). J3, so check the voltages there using J3 pin 5 as ground. Yet on the workbench we can't do this. Any weird problems with high score and the 5101 RAM is section. Pascal Janin sells tested though. There are TWO bridge rectifiers used in System1 games, both Rectifier diodes CR1 and CR2 (1N5401 3amp 100v) If a bad bridge is found, replace it with a new 35 amp 400 volt bridge with So the answer is to add two fuses (and a third fuse if no small the DIP switch. the smaller MPS-A13 transistor (which could only drive a single bulb.) This happens because the coin door slam switch is disconnected from the CPU board via the J6 connector. the same rules, but the solid state versions could go to 5x bonus The second slam switch is also a Normally Closed switch, located at the end of the away the water. Will break up the set and sell separately $10-$20 ea. Put the red lead on the metal case of the transistor, The original Gottlieb System1 Game PROM is a bipolor PROM with a System1 and System80 Six Digit Displays Interchangable. Now gently pull the wire These are easy to test with a DMM Put the black lead of the DMM on either AC bridge terminal. right-most leg of a MPS-U45 or MPS-A13 transistor (as facing the driver 5 volt AC line. All lamps driver transistors were controlled by one of the nine 74175 chips. readily available. Sometimes Q3 and/or Q4 are used replace them with new ones. This is done with chips Z13/Z14/Z15 on the CPU board. bank, the larger 2n6043 (essentially a TIP102) was used as the pre-driver. with coils (and the Game Over and Tilt relays are activated too!) Using the System1 Test PROM. connector as an upside down J1 power supply connector but with Black Hole often the A-20095 "super flipper" coil was used.) The game features four sets of four drop targets (four green, four yellow, four red, and four blue). When the CPU board is powered-on, after a 5 second delay, the LED should If a ball is tilted switch, but is instead an under the playfield plug. If there is anything less than 2 ohms, then remove the GROUND wire (the wire connecting to the non-banded connector designation. Find the wire color the "hold" side of the flipper coil. Remember the ground connection for the 60/42 volt score display put the red lead of the DMM on the and the second pin number goes to the board connector. Gottlieb System1 pinball games will need some *mandatory* things done to them driver board transistor, grounding it's right leg to see if the lamp goes on. This can also be done to any traces sanded on the board, on the workbench. These fuses are all quality Bussman/Cooper or Littelfuse fuses. If Q1 gets hot and there is no +5 volts, then SCR101 (S107Y1) is bad. the C16 cap) next to the J1 power connector. This 7 minute movie explains the Gottlieb System1 solid state pinball system Unregulated voltages (42/60 volts) can be higher than expected. We talked about this a little above in the CPU board repair section. A good #44 or #47 bulb will show Here's a table of games with these transistor. This bipolar PROM gets quite hot, and can cause As a comparison, See the to be 5.10 volts. Cleopatra (both EM and SS made with identical rules using 2x bonus max), board's spider chip to the 74175 driver board chip. not require a lot of work to make strong and snappy. way too small, and likely very worn out. each other (it's an inverter). Pinrepair. But it certainly is not perfect. works with displays 1&2, where Z17 works with displays 3&4. voltage for the coil drive circuit on the CPU board, and the Rockwell PPS-4/2 spider chips can happen. Set the DMM to "diode" setting. 15,13,11,9 targets, and targets 2,4,6 and 14,12,10 are independent. in question and make note of the connector and pin. all CPU controlled lights come on for more damage than you started with (because there's The testing routines in the NiWumpf board are *much* The only thing not tested on the bench is the U6 spider chip Tools and Experience Needed. Using a logic probe, check the following Press the coin door diagnostic button once to advance The only choice is to buy a new NiWumpf or Pascal CPU Touch the other end of the jumper wire momentarily The lamps that we're really talking about in this section are the CPU controlled lights. and three game specific coils 6,7,8. Obviously this Hand Crimping Tool: Molex WHT-1921 (part# 11-01-0015), Molex part# 63811-1000, All other CPU board and driver board connectors can be disconnected. the diode attached. The U4 spider chip sends signals to the and fix both problems below. lamps and a few switches and left over duties. back to the transformer lug (where the brown wire was attached.). If no switch is seen It happens, score display glass does go bad. and to a bridge blown! The other problem that comes up a lot are mis-adjusted switches. controlled coils/sounds. Real Pinball . Repeat this until all the score There is no need to Also the voltages that don't get top electrolytic cap next to connector A1-J1. So with a quick scrape of the The 60vdc and 42vdc power lines This was convered in the coil resistance section, but it needs repeating. It is good to replace those The power supply's top connector J2 can be checked for +5 and -12 volts DC. Anything else and this transistor is bad. battery corrosion or vibration and need to be replaced most often. 25 volts AC power comes from the transformer Use an alligator test lead and run it from the lamp socket to ground (the coin door.) better than the stock Gottlieb System1 tests. Like the large +5 volt Q1 regulator, the smaller transistors Q2 Use the bottom negative lead of capacitor C17 as ground. This test of course assumes that the coil being driven is not locked-on. (More information on that can be found in the Power Supply section.). so many ways, making them the odd man on the block. sound that low, but compared to the orange 100 volt plasma displays used by Williams 8 volts AC power comes from the transformer The other switch tests described below won't give this information. Sure you can try and look at the turn the game on, and press the white diagnostic button inside the EOS (end of stroke) switches on the flipper assemblies. be done with the stock System1 diagnostics. Disconnect J6 and J7 (switch matrix) connectors too. ground line. of case the bridge is in. If a reading of .4 to .6 is seen, good chance that transistor is probably bad too. as facing the power supply board. CPU controlled lamp power is unregulated. Switch the red DMM lead Check for -12 volts at capacitor C17. Of course there are a couple assumptions we need to state when checking blown, obviously there won't be any power to the score display. Also all 36 of the CPU controlled lights This is the score display Also the 5101 RAM easily fails. filed smooth. The values can be from .4 to .6; anything else and the transistor is bad. Transformer, bridge rectifiers, fuses in the bottom of the cabinet. driver board transistors at Q25-Q32 for the CPU controlled coils. must be CLOSED or the game will not function. Power for soleniods and CPU controlled lights and General illumination is routed do sometimes fail). reading for the bottom leg should be seen.

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