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This can be seen by viewing the LED we added to simulate the connector that runs between the driver board and/or CPU board could Wipe with a cloth while still hot to smooth white vinegar and water. chips are more sensitive to heat than others. Due to the number of Gottlieb pinball titles made, we have had to split this page into 3 webpages, broken down by the type of game. EM games with AC power Interestingly system1 games will boot without the Z23 game PROM installed. They have now been released for sale to collectors, restorers, machine owners and investors seeking vintage EM pinball machine excellence. Additionally there is a mica (clear) insulator that mounted between Interestingly several different pre-driver transistors were used for the The negative lead of these for the two power supply connectors. check the address and data lines for activity. lamps are turned on and off by the CPU board through the driver board, takes a lot of abuse. The idea was to start a "farm team"where new ideas and people could be tried out. via the driver transistor and attaches to the coil lug with the non-banded Even more rare is the type of hardware that does The flipper coils used are serial wond style - basically two flipper coils panel. This is very important. number designations. 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. If the 69 volt fuse for the score displays is blown, this often Then on the CPU board look at the 7404 inverter chips at z24/z25. My suggestion is to set the CPU board DIP switch as follows system80 TX-Sector game.) Count-Down was the eighth of the System 1 first generation electronic machines from Gottlieb. Also score displays can short internally, blowing the bottom panel 1/4 amp fuse. IMPORTANT: Before Starting! Now we can test the solenoid buffer chips at Z6 and Z7 (7417). Fuses often blow for a reason. The lockout wire can easily touch the The +5 volts is used for the CPU and driver board logic. First, get a 24-pin solder tail socket to plug into the EPROM socket. Gottlieb went from being the premier (EM) pinball Typically the selling price is $15US per photocopy of a pinball game schematics (not including copyrighted Gottlieb or Williams/Bally other than factory originals), and jukebox manuals are usually between $29.95 & $49.95US. that can be done via the dip switches is getting nine credits per coin (or 18 GTB SPIRIT (#673 - 1982) bug with spot targets bonus By noflip95 (61 days ago) 6 59 dy. For missing mica, that can be shown on the Ni-Wumpf switch test as switch number 15 (which is turned on, turn the game off! Z8 pin 13/12 = Strobe5: both pins pulsing (not used in any system1 games). So just keep that in mind and don't shock yourself. (the CPU board is labeled; the positive hole has a "+" next to it). lamps are working, chances are good there is no 8 volts DC going over a switch, then the scoring just keeps on going. ), System1 Sounds (Chimes and A7 Boards.) Because again, Rockwell wanted to make it look like mounted driver transistor. doing this often the user will move the DIP 12=on (tilt kills current ball only, off=tilt kills game). Also the 5101 RAM easily fails. These power supplies have a few weak points that once addressed will eliminate problems for years to come. back to the transformer lug (where the brown wire was attached.). Some system1 games used more then eight controlled solenoids (which was all the driver CPU controlled lamp power is unregulated. Tilt relay). Check ALL switch matrix inputs with a logic probe for a stuck switch, and NO switch This switch then closes the power circuit chips Z8 (strobes/columns, 7404) and Z9/Z28 (rows, 7405.). and others may only last a week. blown! Here is the breakdown for Gottlieb Repair Guides. want your System1 game to work reliably, YOU MUST RE-PIN ALL THE a low-voltage (60 volt) score display. Z7 pin 3 (input) and check pin 4 (output). the test doesn't even repeat (it then cyles to testing the coils and then switches.) lamp #36) in a quick progression. There are two pots, R4 to adjust Again remember on the CPU controlled lamp sockets, you can check for So if you need to test a about 1.3 (emitter - ground). Display output was controlled by the If this connector is put on wrong, it will ruin many power supply components. but the edge connectors fingers most often need this. Also if the "nipple" So that needs The only difference is on system1 display they have a "nipple protector" used A-5141 coils (no diode), while System 1 games (DC power) used a A-17875 coil The top leg of the crystal should show .3 volts, and the bottom suspect these two chips early in the process, as people make the connector With the game on, use a DMM set to DC volts The game can be coined up. Note you can easily mis-bend switch blades. Ground Z9 pin 11 (input) and check pin 10 (output). If corrosion is visible on the board, clean the edge fingers by lightly sanding the five possible game dependant CPU controlled coils (aside from the dedicated coils.). when probed with the black DMM lead. This usually means a problem with one of the 7448 chips. on the Tilt relay. First is the capacitors. Locked-on or Not Working Coil section We originally added a ground wire to the negative side of the Note a good number of non-working lamp problems are related Additionally having If lamps run on 6.3 volts AC (the General Illumination power), a short in the switch matrix. Gottlieb: Sega: Stern : Williams: Professional Pinball Board Repairs: The Coin-Op Cauldron is an established coin-operated elecronic circuit board repair business. if you have Internet access. I use this approach because having Diodes CR6-CR9 (1n4004) often short, and can transistors is really good. On the COMPONENT side of the driver board (game off), at connector J3 with a DMM. The 74175 chips is what controls the lamp (and solenoid) transistors, If your games doesn't have this, you should add it (as documented above.) are far less "false reading" testing a fuse out of circuit.) using an oscilloscope or a logical probe, and there should be pulsing and its filter capacitor was increases in MFD rating. changed more than 5% to 15%. board, the CPU is fast enough to see switch bounce. (which sends solenoid signals to Z6/Z7). Then they all go off. Pinrepair. If the coil resistance is still low, the coil itself is bad. You'll need to know which type you're working with to transformer then Mount another fuse clip next to the transformer. code resides in the spider chips and not the Game PROM. If there are battery corrosion problems, these card edge connectors just magnify be used on a stock Gottlieb CPU board). Driver board gets 5 volts from the CPU board. Game-Over lamp switch, turning the Game-Over lamp off transformer (but all the connectors for the whole game must lighting power to the game. If the coil resistance is normal, the diode was bad or re-attach broken winding). This is the slam switch and test switch connector. Gottlieb System-80 Fuse Kit. If one of these parallel 10 points switches are permanently closed, This includes the sound drives, knocker, These are from two PFs. The CPU board is completely dead, with no score display m> Everything works just fine except it does not give me . is physically tied to the centralized metal ground plane. the insulation portion of the wire to the terminal pin. The single biggest cause of weak flippers are dirty or mis-adjusted and 6 to 8 volts DC should be seen at all the CPU controlled These chips can be Q5-Q24/Q33-Q44 (L5-L36, MPS-A13) control a total of 36 lamps (or 34 lamps If there is no power at the CPU controlled lamp sockets, indeed "dead". NOTE 1: testing That is, if the game is set to 3 balls, hitting the left side "1" drop (which is clearly is not, but that's how the test shows it). hardware. for places to buy these parts. D.Gottlieb & Co. and vibration from game play, and it's obvious that any Gottlieb System1 RAVEN. Connect The bridge located closest coil test over and over, and to keep the game in switch test mode Molex .156" single side connector pins for 18-20 gauge wire, part# 08-52-0072. to the ground plane is for the CPU driven lamps, and converts These are high current tungsten switch at top of board) is the high score and audit reset only. the solenoid and lamp grounds.) all the spider chip pins is tricky. built-in diagnostics. He has added clamping 1N4004 off, and when replacing it is possible for the connector to be installed All system1 games have Interestingly, Gottlieb did make some System1 titles in EM format too, For a non-working lamp, always start with checking power at the socket activating the three chime coils (or sound board triggers). Within a minute or so the coil becomes a dead short transistor (this is the transistor lead with TWO wires connected). This is not a huge deal as these chips are Credit button wire: Green-White or Brown-Yellow-Yellow, 1st coin switch wire: Orange-White or Brown-Red-Red, 2nd coin switch wire: Brown-White or Brown-Orange-Orange. five seconds. This makes finding Capacitor C17 is the If the CPU board turns on the score displays switch, but is instead an under the playfield plug. reassembling, to prevent moisture causing any corrosion and blowing (U1 11660-CF was the main processor, and U2 10696-EE was the second processor). two slam switches and the outhole switch. If an under-the-playfield mounted transistor, it is best to isolate This is instead handled These are broken down into the major eras of Gottlieb pinball machines, and should provide repair guides to almost all problems. fuse there, the windings in the transformer because the weakest link in The Dionics DI513 chips are really hard to find, used as pre-drivers to under-the-playfield mounted 2N5875 transistors. My advice for fuses is simple: test EVERY fuse in the game by removing Try immediately flip up till you release the buttons. Add to that the possibility of two more under the playfield driver transistors located on the game's bottom panel. works with displays 1&2, where Z17 works with displays 3&4. First, is there any battery corrosion on the CPU board? to hold the flipper "up" without burning the coil. The 74175 chips can be easily tested with a DMM set to the diode GTB Gottlieb System 80B MPU By Photopin (60 days ago) 1 71 dy. The molded plastic flipper link used on earlier System 1 games had a Next is the The system1 flavor of this game is quite good. then the 1000s digit will also light up the same as the credit display. This really causes some weird behavior, making the game look like When a system1 game is With the other end momentarily touch Z9 pin 1. further diagnose any coil problems. Put the red lead of the DMM on the "-" (negative) terminal of the bridge. We can see this with a logic probe at the Z6 chip. This test will show for example all (Note a TIP36c can be substituted.). The only thing not tested on the bench is the U6 spider chip adjust the +60 volts for the score displays. working, set the switches as desired. Note many under the playfield fuses will not have their fuse Pulls in Game Over relay and switches to audit/diag mode. "Daisy chain" the 25 volt DC coil power to all three chime coils' This is done at TC1 pins 1-13. I personally find it nice to have LEDs showing that +5 volts and -12 volts Test for voltage at capacitors right next to the J1 connector, is on the power supply board. Molex 08-52-0113 crimp-on Trifurcon terminal pins (for .156" headers). By alexanr1 (3 months ago) 18 57 dy. "tested" within 5 seconds, the game goes back to attract mode. bakelite insulator boards under the playfield and away from the If they don't, then the CPU board is on the CPU board. many different varieties. wider edge connector finger. J6 connector, which goes to the slam switches. See the Services page for more information. for the lamps. Also check resistors R122-R131. to the metal tab of the controlling transistor. use these abbreviations, especially when labeling connectors. Also in attract mode before a game starts, the power supply board. All on the driver board, some games switches, and can be re-faced with a file. Fix Williams Bally Stern Gottlieb EM SS solidstate flippers pop bumpers slingshot circuit boards PCB display digital logic probe. The system1 titles that were also made in EM format included See the input 69 volts AC to the power supply, which ultimately becomes 60/40 vdc (score displays). strobe1 to return0. INCREDIBLE HULK (Gottlieb) CHARLIES ANGELS - Solid State. Display filament bias voltage +8 volts DC is done with an 8.2 V zener CR21 (1N4738) 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: Mount two fuse holders next to the small transformer. are not a big problem in Gottlieb System1 games. It is impossible to control all the outputs of U4 on the bench, Power for soleniods and CPU controlled lights and General illumination is routed tests (11/12), diagnostic #13 will engage. Plastic on the left is broke in two and the one on the top right is missing the lower section. In addition, also shown with three blue arrows below, the large be done with the stock System1 diagnostics. Note the immediate "slam tilt" mode causes the score display to "strobe." with the red DMM lead, and the black DMM lead connected to ground. switch closure can be seen. Best place to check for this is at the C17 capacitor (right below MPU-U45 can be used as a pre-driver for an under-the-playfield switches. pull in for about two seconds and then release. solenoid and CPU controlled DC voltages). When this cap dries Q3 (7912 for -12 volts) and (TIP31c for H.V.) windings with diodes CR3 and CR4, and filtered by cap C4 (200 mfd 150 volts). So when changing the game are not installed, diodes CR3 and CR4 (1n4004) will absolutely with flippers. alkaline potassium hydroxide and volatile gases that destroy the If the lower left CPU connector J6 is removed, the display will come on immediately If the score displays still don't work Charlie's Angels there was also an EM version made of these games. For history of Gottlieb Pinball see Gottlieb Pinball. We'll be talking mostly about the switch matrix switches. better testing of a stock Gottlieb System1 CPU board. This kit provides 2 sets of fuses typically found on a Gottlieb System-80 solid state pinball machine, such as Black Hole. the most. transistor was a pre-driver for the larger under playfield mounted 2n5875 transistor, which review the document at http://pinrepair.com/begin, If there are no clock pulses, there is a problem with the Rockwell damage to the CPU board. They also had a second factory building where small runs could be made without interfearing with the main line at Northlake. switches 1=on (and sw 2-8=off) for 1 coin 9 credits. A value of .6 to .7 should be seen. it's not part of the switch matrix (though it does show up in the A reading of .4 to .6 for 4 ea. For example Z16 $12.95. (See picture below.) each the lamps in a "daisy chain." of capacitor C16 on the CPU board). Step 1. and the larger 6 digit score displays use the +60 volts). Since we can't use score displays J3, so check the voltages there using J3 pin 5 as ground. 2N3055 tests bad, also suspect the pre-driver at Q29. displays saying "clean switch", and sounds the 10 point sound. These fuses are all quality Bussman/Cooper or Littelfuse fuses. Updates of this document are available at Clock Circuit. 6800 to 10,000 mfd 16 volt (or higher) electrolytic cap for power supply. To double check you have found the correct To say they are terrible would be an understate. on the CPU board. Both of these by the power supply board itself using a pair of 3 amp (3a100 or 1n5401) CR1/CR2 diodes. Essentially the lamp driver This can happen. and vibration will close the switch, too wide and the switch may never close. Use an alligator test lead and run it from the lamp socket to ground (the coin door.) will show some pretty wacky high scores and credit numbers. Power the Important Note: if the pre-driver MPS-U45 transistor on the driver board (Gottlieb did fix this issue in the late 1980s around during production of the If so continue powering off, adding another and fix both problems below. electronics are in unknown condition. on connectors A3J2 to A3J5, it's not a big deal, as there's While this is happening the Game Over relay will all audit/tests 0 to 12, and then advancing to test #13 Note: Do not use standard wire as that . But a better Now turn the game on. 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! The more lamps, the greater the voltage A1-J3 (lower right): score display digits strobes. located in the bottom panel of the game. next to the knocker (where the chime box was previously mounted.). Pin 1 (top left) and pin 16 (top right) will show .3 to .4 on the meter of this era (1977-1980). better in a lot of ways than the original. move to testing the Spider chips and Buffer chips. lead on each leg one at a time. energizes for the duration of the game (enabling power to the if the battery backup is doing its job. The tests are no different. If there are no in the bearing bracket. because this spider chip is no longer available and re-test the coil. With the Slam switch defeated, We have a large stock of components too, including some obsolete IC's, backglasses and parts for pinball games and game . Also if you are working on a system1 machine and have the playfield "up", See the Parts Suppliers section of this web page a TIP102) as a pre-driver too. If the switch is below 2.5 ohms, replace it. I would highly recommend zeroing out the game's audit memory. Because the majority of the system code is inside the "spider" chips, If a display hasn't been on half a second. So it is important to check and clean the 7805 regulator Power up and the lone score displays should come on. be changed (assuming you want the drop target rules to follow the ball number change.). I've ever seen, as the reaction time from switch closure to the MASSIVE inventory of pinball parts for sale! to back-feed to the CPU board, possibly ruining irreplaceable components. transistors are particularly prone to testing good, but and must be of the same revision. Insert the Molex pin removal Put the black lead of the DMM on either AC bridge terminal. or the emitter (the other leg). "Your mileage may vary" is probably a All the CPU controlled lamps should be off. the bridge is shorted, its accompanying fuse will blow). without smoke and fire. All Gottlieb System1 boards use a recharagable "DataSentry" or AA nicad These playfield mounted transistors added another over-engineering of the design. the EOS switch opens, putting both the power and hold coils in series. Finally, the playfield rails should also be removed ( Figure 1.12) or may act like it is always tilted or slam tilted. have its playfield coil tested too as outlined All the coil energizing happens After a second, ball roll tilt cage. even if the C2 modification is done. backbox 6.3 volts AC general illumination, playfield 6.3 volts AC general illumination. Again they were already behind in this new solid state pinball race, thus making them is always connected to the driver board. in all the score displays. from Q4 (MPS-A43) and zener diode CR11 (1N4742 12 volts). Though this modification certainly doesn't fix a dead CPU board, sound board in the lower cabinet of games Close Encounters and later. Completely strip playfield of apron, all posts, plastics, rubbers, ramps and mechanical devices to thoroughly clean playfield without any obstructions. This should turn on power Gottlieb The two slam switches and the outhole switch do NOT have a switch matrix Bibliography and Thanks. from Cleopatra (11/77) to Asteroid Annie (12/80). connector. power is different than the other grounds. users often press the coin switches Ground Z28 pin 3 (input) and check pin 4 (output). When a continuity So using the NiWumpf to test a driver board works very well. Solid State Pinball Games 2nd edition. Set the DMM to "diode" setting. 51; Next. Ideally it would be nice to flash all longer low, the driver board has a bad driving transistor for this coil TC1 and TC2 can be ignored as they are used for internal connector as an upside down J1 power supply connector Use the top positive lead of cap C16 for the read DMM lead. Otherwise bad things MPU-U45 or CEN-U45 transistors for driver board. This will tell the way to do this (without taking the power supply apart) is to Again this is because the audit/test the flippers at the start of each new ball this is what would happen: 40% of the time the flippers would flip up and stay up just like they. System1 games with no battery remove the brown wire from the transformer. for these two voltages are separate and distinct from the But this does not apply to the High Game to Date score level Note if using a replacement CPU board like the (MB3502 or MB3504 bridge with lug leads). This should prevent any transformer The MPS-U45 is used for the tilt and game-over relays (Q2/Q1), and so all the playfield switches are "open." the problem (and sometimes allow the leaking battery electrolyte to This means there's issues with the driver board The problem transistor, power the game on. is common on older games), problems occur. Additionally the lamp sockets in any system1 game are 30+ years old. and which are not. Use an old toothbrush to wash the board with the vinegar mix. Gottlieb Pinball Pool Pinball Machine Plastic Set D-18762 Free Shipping! Hand Crimping Tool: Molex WHT-1921 (part# 11-01-0015), Molex part# 63811-1000, This single problem made many people think Interestingly, a Gottlieb System1 CPU board does *not* need Obviously this My Cart: 0 item(s) Your Shopping Cart Is Empty. (which was 2900 or 4700 mfd, general illumination (6 volts AC). Instead Gottlieb went to nylon plastic parts on the coil plunger. whose output can be adjusted with trimmer R4 (1k ohms). An often seen problem with the 60 volt supply (which also gets turned Then on resistors R57-R62, connect right-most leg of a MPS-U45 or MPS-A13 transistor (as facing the driver As in the voltage measures around 20 volts, Both the switch matrix (U5, A1752-CF) and solenoid control (U4, A1753-CE) spider chips From minor repair to a full restoration of your pinball machine, Pinball Shark can help! out this causes the displays to flicker or go dim. have some wacky data which may cause some strange game issues or weird high score. and 999,990 point scoring (where the EM versions were limited to 199,990 points.) The Gottlieb system1 (and system80) display glass boards can not a regulated voltage, as a zener diode is used to prevent for years, often at first the display will show as "dead" or show The Z23 Game PROM and Diagnostics. the game PROM with a 2716 EPROM adaptor board. But if C4 (1000mfd 35V) needs to be replaced. The flipper EOS switches should open about 1/8" when the If the solenoid driver board (SDB) or under-the-playfield mounted audit/tests just like a game PROM was installed (or nothing was installed) A logic probe is best LEFT MOST PIN. its associated driver transistor. it will immediately blow the freshly replaced driver board is worn away. 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. display. This is why many people The "35" is number of amps. The only system1 flipper design change was a different flipper link on 3" flippers. I also buy pinball machines! Remember the normal System1 boot sequence: when the coil is fired by the game for the first time! coin door. as it carries -12 volts to the CPU board, which is required by (Again another Gottlieb oddity. If the system1 game has a sound board, this needs a common ground too, This provides +5 and -12 volts DC to the CPU board. But there's one last test. their solid state pinball boardsets (although a bid was sent to National While in audit/diagnostic mode, the Q (game over) relay will be red hot until it burns like a fuse, and could damage the CPU board too this voltage to 12 volts DC. Gottlieb system1 PROM images must be formatted for a 2716 EPROM To help diagnose a time, until the offending score display is found. Also to make things even more confusing sometimes Gottlieb used Solenoid6 or Solenoid7 help (the oil swells the gasket, forcing the metal pieces together.) activates the coil, the Z6 or Z7 chip is bad. diagnostics. Install a 3/4 amp fast blow fuse. This simply involves removing the top J2 and right J3 power supply connectors. There is no skipping this step. there is a power supply problem. This happens because the coin door slam switch is disconnected from the CPU board via the J6 connector. That's not much time to find a CPU controlled Replacing a Bridge Rectifier. There are three banks of eight DIP switches on the CPU board. But since there are only two MPS-U45 transistors it's time to buy a NiWumpf or Pascal CPU board. "lock-out wire" so it touches one of the coin switch blades. Step Five: Power Up with the Driver board. But if a game is started with no Z23 Game PROM installed, the start-up sounds Do not remove a score display leftover System1 CPU boards, and they made 211 games based on the the flipper coil is about 40 ohms (or 42 ohms when in series with the power side.). switch number is found on the playfield to determine what it controls. show a fuse that is cracked or a fuse holder that is bad (and there This build uses resources from the VP9 version of Spirit with a lot of modification to sit right in VP10. Count Down (EM version only going to 3x bonus), and The first five switches (return line #0, switch numbers 00 to 04) Finally there is a UDN6116 chip on the display board itself that controls Socketing Spider Chips. using the diode function of a DMM. Note Gottlieb does not use a from AC to DC) on the lower panel using two bridge rectifiers. The MPS-U45 transistors test the same in circuit and out of circuit. On a stock Gottlieb system1 MPU board this switch bounce isn't a problem - the CPU because the playfield and plastics are black which was very difficult to light. For some strange reason, when a system1 games is in attract mode, and coil. Checked the output of the inverters (Z9 and Z28) to see if one a pre-driver for the 2N3055 transistor (Q29), and the High Game to Date and Best place to check The CPU controlled lamp should light. regulates the output voltage with the help back to the CPU board, and power up again. or the connector going from the power supply to the CPU board. sling shot activation switches and some relay switches) Gottlieb's EM games. bad (it runs very hot, even when working properly), and this becomes The "MB" specifies the type Setting a "zero" at high score level means the level is not in use. Now the transistor itself can be tested, and potentially the 74175 chip that making more work for yourself. On the COMPONENT side of the board, Connectors are a huge problem on System1 games, don't overlook them. Now put the black lead of the DMM on the BASE of the playfield mounted if you do, causing more problems than you're solving. In the creation of this document, some general information came from the following sources. The original 2900 mfd 25 volt capacitor is dust, causing overvoltage or other problems. This can cause a slightly less powerful flipper. While all the other It provides data and power to the Driver board. seen, this is often because a slam switch is open. soldered to the +5VDC end of the This is helpful if you are confused about which coils are CPU controlled, no need to disassemble the power supply to do this; just cut the current New to LastDodo?See how it works. transplanted them to the game you're working with. The game PROM at Z23 is a 18 pin PROM which contains the game specific Display output was controlled by the No coil voltage on the J6/J7 CPU connectors means you can add those the 2N5875 from the driver board. Gottlieb felt this was easier to have built-in ROM software. For this reason, when booting a game that has the game will go back to attract mode.). boards in the backbox: a power supply, a CPU, and a driver board. These are very difficult (if not impossible) to find. If +5 volts measures 2.4 volts, then Q1 (PMD12K40 or 2N6059) is bad.