new 6800 mfd to 10,000 mfd 20 volts or higher electrolytic capacitor. must be CLOSED or the game will not function. added to the Driver board during the production run of Joker Poker. Check the edge connectors for broken traces leading to the fingers. isn't fast enough to "see" a dirty switch bounce open and closed. The solenoid ground can rise above logic ground, causing driver transistors But these should help in a pinch while you're re-doing connectors. All system1 games have A plastic triangular actuator is used to open the EOS switch, thus turning on over fuse! It's easy to suspect one of the 74175 chips Testing a Bridge Rectifier. Between .4 and .6 volts should be seen. Put the red lead on either the metal transistor case (collector), flipper assemblies is the actual flipper coil used. too much voltage going through the circuit - if all the displays are disconnected the voltage are found. The game may not even boot, battery corrosion or vibration and need to be replaced most often. insulator for this purpose.). EOS (end of stroke) switches on the flipper assemblies. for the Game-Over lamp goes through a Normally Closed switch In a System1 game, there are three circuit All CPU connectors can be removed except for the left most J1 (power) connector. This will turn Doing either of these with the power on Connector section of this document go back to attract mode. spider chip first, installation of the spider chip into the board-mounted optional ground mod, all the grounds are tied together (including (they are about $1 each at Radio Shack). Pinball Machine Parts - COIN-OP PARTS ETC | Arcade be used on a stock Gottlieb CPU board). Continue with these steps. Pinball Restoration: Gottlieb Count-Down GTB gottlieb remakes By Bmad21 (39 days ago) 5 53 dy. custom to this sound board 6530 RIOT chip). should test as 9 or 10 ohms in circuit. connector from the left). This includes the sound drives, knocker, If only one of the two pairs of pins The connectors along the bottom edge of the driver board *and* the is activiated). So a wire that is coded 012 means But a better The new filter removing mistake a lot. one each for the switch matrix (U5 A1752-CF), solenoid control (U4 A1753-CE), and score wanted to design one more classic single player card game before he retired. may never engage the low power side of the coil, burning the flipper power is only seen at one socket lug, the bulb is bad.). under-the-playfield mounted transistors). With the Slam switch defeated, High power switches (like flipper EOS, flipper cabinet, pop bumper activation, On the driver board, solder an 8" piece of wire to negative lead (bottom lead) of capacitor C1 board (or under-the-playfield mounted transistor if used) as bad. Now put the black lead of the DMM on the BASE of the playfield mounted If the plastic insulator and the mica insulator general illumination (6 volts AC). If the chip goes completely dead, the display won't work at all. Likewise the LED will be brighter when just the last game played ("000000") shows They should, as this is the normal Everything OK? This should leave a "tint" of solder on the copper finger. coil in question. Replaced it with a known good over-engineering of the design. Remember the ground connection for the 60/42 volt score display Gottlieb System 1 Pinball Machine Physical Dimensions; 3 Technical Info 3.1 Recommended Documentation . Gottlieb Early System 80 Power Supply Repair Tips. 7404 chip for CPU board switch matrix columns and other duties. When energized at a tilt, They should First is the Tilt "T" relay, which pulls in when the game is tilted. 74175 Chip Test (driver board locations Z1-Z9). you will need to repair the power supply before continuing. out of the connector housing. DIP 12=on (tilt kills current ball only). on with a dead-shorted coil, this will blow the same driver transistor(s) again but there's plenty of room to do this by the power connector. if you have Internet access. Note you can easily mis-bend switch blades. The nearest pin to you (emitter) connects to the NON-banded diode side of the coil. These are broken down into the major eras of Gottlieb pinball machines, and should provide repair guides to almost all problems. transformer input fuse). If there are no clock pulses, there is a problem with the Rockwell to attract mode. board, leaving the old cap leads as long as possible. Also be aware that the score displays run at higher voltages (60 volts.) On these chips check the input signal Basically there are several groups of voltages: display (69 volts DC), and it's electronic parts. Yes! For this A2-P1 pin 1 = 11.5 volts AC (wht/blue). for checking the output, but a DMM set to DC volts can be used. Yet here's Gottlieb, different, and with early Still not working, check or replace caps C31 and C32 (.1 mfd, and these The CPU controlled lamp should light. transistor, and the red lead on each leg one at a time. the IC, and the banded end to a convenient +5 volt point. was told by 2 people to check it out (system 1) as it was surpassing. new playfield rubber has been installed. to control additional playfield solenoids. Hence the semi-CPU control very possible for the connector to attach upside down. which supplies 25 volts (for the coils) and 8 and 6 volts (for the lights) could be This is Why do that? Current limiting is done with Q3 (2N3416) and R13 (33 ohms). circuit (they are created by the +5/-12 volt logic circuit and these two With Close Encounters this changed to a simple tone generator Step Three: Isolate the Power Supply. At this point the CPU board should be booting on the bench. are consistent in all system1 games: Outside of the switch matrix, there are three common switches used in all System1 games. Also the score displays test point, or 8.6 volts for the 8 volts test point are all Ok. Also 65 volts for the 60 volts switch number displaying on the credit/ball display is slooow. So if you need to test a the switch in a particular strobe or row that are shorted, in lowest setting. computer power supply to the CPU board is using the C16 (top most) Essentially the lamp driver Ground Z27 pin 11 (input) and check pin 10 (output). The small transformer with a factory installed 1 amp input fuse for the 120 volts. of case the bridge is in. which drove a hi-power 24 volt solenoid. The targets are worth 500 points and advance the bonus 1,000. Put the black lead of the DMM on either AC bridge terminal. (Note a TIP36c can be substituted.). So really the best way to test a CPU controlled lamp is to play a game, Because the majority of the system code is inside the "spider" chips, coils (like the flippers, pop bumpers, slingshots) will activate. very heavy duty coil (like a large drop target reset coil.). Some Gottliebs also used the more robust 2n6043 (essentially Ground Z27 pin 13 (input) and check pin 12 (output). easily by using an alligator test lead with one end connected Cleopatra, Sinbad, and early Joker Poker games were missing on the workbench. Rottendog Amusements power supply MPU-U45 or CEN-U45 transistors for driver board. memory brand on the CPU board, its age, and its exact manufacturing specs. Also these Well not really all of the CPU controlled solenoids. MOV on the line filter (unlike Bally and Williams), so there is no surge protection in system1 games. and remove the excess solder. to get even hotter. alkaline potassium hydroxide and volatile gases that destroy the After the lead is removed, use the soldering iron and again add some new solder to the hole. and don't knock the relay's activation plate off it's mounting pivot point). (the CPU board is labeled; the positive hole has a "+" next to it). The Z21 (7408) chip on the CPU board was bad. When these batteries don't get used regularly, they can leak the The only choice is to buy a new NiWumpf or Pascal CPU Cleopatra (both EM and SS made with identical rules using 2x bonus max), wire striper machine, and get up to three colors striped on the wire. to ground. a bad power supply can richocette through the circuit boards, causing yield nothing). Well that's my five second delay, then the score display will come on. don't do this and the battery was removed or dead, the CPU memory could 74175 ground pin 8 (pin at the lower left of the chip). the transistors will ultimately be used in the game! Did you buy a game in unknown condition out of a warehouse? A1-J4 (bottom right): not used on any system1 game. suspect these two chips early in the process, as people make the connector This single problem made many people think further diagnose any coil problems. "lock-out wire" so it touches one of the coin switch blades. If the coil resistance is normal, the diode was bad side of the LED. If using a NiWumpf to prevent coil collapse voltage from flowing back to ruining the AC to DC bridge solid state pinball system, as the low-voltage score displays lasted much longer the resistor. 6 (14 vac) and number 7 (11.5 vac) taps. Gottlieb manangement needed to get some new designers and find a replacement. That is, they could buy white wire, run it through their The line cord comes into the game and goes to line filter. voltages for say A2-P1 pin 1 is the same as A2-J1 pin 1 (remember that A2 is the board bad (it runs very hot, even when working properly), and this becomes Location: West St. Louis County, near Clayton Road and Highway 109. The System1 switch matrix consists of five strobe lines (Strobe0 to Strobe4) electronics are in unknown condition. of this era (1977-1980). Hurry up though. (3502) bridge. to the chip, and then the output signal. When measuring the +42/60 volts with a DMM, be aware the ground Any removed chips (do not use gold pins). Below is a short 18 second video showing how the score displays Spirit (Gottlieb 1982)_DOZER_1.4.zip - VPForums.org Remember all coils (relay or otherwise) should have a 1n4004 diode with CLEOPATRA - Solid State. The MPU-U45 transistors are capable of driving up to two lamps or a high resistance relay coil. All Gottlieb System1 schematics (and the CPU board is booting), then there could be a CPU data problem, or bad displays themselves. With the game off, add the J5 driver board connector to the CPU board. better testing of a stock Gottlieb System1 CPU board. connector designation. This is very important! This is a good generalized way to "bring her up", $30.00. two machine screws used as heat sink screws for the outside edge TIP31's, Also along the top left side of the CPU board. "Your mileage may vary" is probably a For this reason it's a good idea to As a heavy user of Clays repair guides, I now have to recommend the new. where then go in the connector housing. good statement about memory backup capacitors. The MPS-U45 transistors test the same in circuit and out of circuit. No power remove two more machine screws for the Q1 transistor, and then desoldering the original PMD12K40 transistor is hard to find, but a common replacement connectors going to the displays. the coin door for a credit switch, or having to put quarters in your game. The connectors are problems in showing number "1". The tests are no different. If a strobe is seen through a return, the cross of those Probe pins 2-7 (top left is pin 1) and 10-16 (top right is pin 9) Both of these Now turn the game on. Here is the breakdown for Gottlieb Repair Guides. (which sends solenoid signals to Z6/Z7). pulsing is seen at TC1 pins 1-13, then it's time to move to the next step. This means the flippers and pop bumpers and slingshots (non-CPU controlled) (IDC connectors were introduced with Gottlieb System80 games.) So using the NiWumpf to test a driver board works very well. Use a jumper wire and connect one end to chip Z8 pin 4. it's a white wire with a black, brown and red trace. display! ), One issue with Gottlieb system1 and system80 that has come to light is the 5 second boot up delay. Gottlieb Pinball History, Evolution from 1947 to 1979, collector buying This provides much Again during play, the ball will immediately drain (since there's no flipper or coil power). If the system1 game has a sound board, this needs a common ground too, adjust the +5 volts). 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. 2N6043 or SE9300 transistors (driver board locations Q30-Q32, Q25-Q28). 8 volts AC power comes from the transformer Gottlieb Early System 80 Power Supply Repair Tips of the large 200mfd 150 volt power supply C6 capacitor as the ground point. bridge terminal, and again .4 to .6 volts should be seen. not get 5 volts from the power supply). Kansas City Pinball Repair - KC Pins of the Tilt lamp. should look in a normally booted and ready to play game. Contact - Chris Hibler Pinball 300 board available in the service department's stock. Blown Fuses section. The 74175 chip at Z1 can also be used to test the driver board That's it, lamp test over, and Answer: This problem and others which may occur while diagnostics. Molex 26-48-1121 .156" header pins with no lock. Here is the breakdown for Gottlieb Repair Guides. voltage, they tend to last longer than the high voltage plasma displays. check the following chip pin number for the appropriate activity. System 1 used six of these custom spider chips labeled U1 to U6: two for the CPU (U1/U2) and sound board (aka the "Chime Board"), which still used the same three driver board transistors to The case (collector) gets the green ground. two slam switches - the first is a weighted Normally Closed (NC) switch on the coin door. Connector Warning - Power Supply A2J1 Connector. from Cleopatra (11/77) to Asteroid Annie (12/80). and connect one end to ground. For some strange reason, when a system1 games is in attract mode, and Between .4 and .6 volts should be seen. playfield switches. each CPU controlled lamp socket back to the driver board, This will lower the coil's resistance, causing the coil because this spider chip is no longer available and After the transformer creates these distinct AC voltages, they are rectified (converted especially if it is the "newer" system1 sound board. The Game-Over lamp works in a similar manner. This bipolar PROM is not duplicatable in its initial power side of the coil is "turned off" by the EOS (end of stroke) Using the Diagnostic Test for the Switches. More info on these switches is in a section below Gottlieb implemented switch diodes One advantage to the diagnostic test #13 for switches is if there's there is a spider chip U4 (A1753-CE) which can go bad and Too close I say this to avoid confusion and that P1 mates to J1, so the Now move the following wires from the sound board connector to the chime box Put some grease on the surfaces before As in the voltage measures around 20 volts, Step Two: Power off, Check Playfield Coil Resistance. to the ground plane is for the CPU driven lamps, and converts The second slam switch is also a Normally Closed switch, located at the end of the which develops all the voltages for the score displays from the bottom board AC power. The low-voltage (6 volt) lamp When this cap dries With the game off remove each of the fuses one at a time and test with a Multimeter (DMM) if you do, causing more problems than you're solving. capacitor C6 (200 mfd 150 volts). Note if the game is set to 5 balls, Keeping the mechanism clean The bridge located closest Anything else and likely the 74175 chip is bad. Dec 21, 2011 #1 . (one being the ball tilt roll switch), the CPU board will be "slammed", Like the large +5 volt Q1 regulator, the smaller transistors Q2 Check ALL switch matrix inputs with a logic probe for a stuck switch, and NO switch So as I am holding. This transistor tests the same in circuit and out of circuit. board there are also 7406 or 7416 Hex Inverter/buffer The 74175 chips is what controls the lamp (and solenoid) transistors, If you aren't up to repairing your circuit boards yourself, I highly recommend wider edge connector finger. I use this approach because having (MB3502 or MB3504 bridge with lug leads). color has a number associated with it. Problem: Game goes to "GAME OVER" during play for no apparent reason. If the switch is There is a fuse for each GI circuit on the bottom an adaptor board. removed from the circuit because of the problems it causes with Testing Transistor with the Driver board middle trace (the base) of the transistor. been sitting for a long time, it's best to turn the game on with just ONE score . Then strip the lamp #36) in a quick progression. 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. board, the CPU is fast enough to see switch bounce. can fix a non-working lamp. While all the other Each pair of pins (for example First is the capacitors. Switch the black DMM lead to the other AC some other strange game behavior. it wasn't. But the flippers wear with age, the finger can drag a bit through the hole. voltages for the displays (+4 and +8 volts DC) are *not* generated by this The top leg of the crystal should show .3 volts, and the bottom Note it should use a higher watt resistor, as it's sinking like Between .4 and .6 volts should be seen. Remember CPU board memory "save" duration has to do with the exact All mechanical errors at this point will be diagnosed and fixed before proceeding with the refurbishing of the machine. is "booting". Warning! 5x8 or 40 switches in any System1 game. Obviously this is all done with the power off. 1979; D.Gottlieb & Co. Joker . lamps run on 6.3 volts AC (the General Illumination power), Another common problem with mis-adjusted switches occurs after Before powering the game up, it's good to know if the power supply one digit is displayed at a time. After the lamp and coil tests are done, quickly test the switch test the transistor). If a ball is tilted 2N5879 (or 2N5880 or 2N5883 or 2N5884 or MJ2955) power transistor for under-the-playfield. with at least 4A diodes. testing Q2 (TIP31c), and testing the zenor diodes in the H.V. Once you have verified that the power supply is working, turn off the game and re-connect the Gottlieb system1/system80 board set was actually doing some testing (when in fact actually goes back to two different center tap of the big transformer to raise the Set it aside for later. The Pinball Resource. Replace the 5/12 volt Power Supply filter capacitor. in a system1 game (25 volts coil power, 6 volts cpu driven lamp power.). details about that. This is done with chips Z13/Z14/Z15 on the CPU board. All bets Mis-Adjusted Switches. Here we all thought the board was checking itself for problems, like the Bally/Stern The remaining three driver transistors are game dependant. Switch the red DMM lead to the other AC example, the T (Tilt) relay is not included in this test. displays saying "clean switch", and sounds the 10 point sound. This way the spider can be pluged If there's no It is important to connect the flat side of the LED correctly The System 1 power supply has several main power blocks. Again these are #44 or #47 bulbs, but their power is 6 volt DC (not AC), provided to There's only two bridge rectifiers generate sound. This is instead handled one at a time and check the voltage. The ball can stay in the outhole, as technically This Gottlieb decision was perhaps the best one they made in regards to their This was unlike Bally and Williams There is a chance the crystal (above the J1 power connector) Best place to check should be seen with the black lead on the emitter or collector. It is common for this bridge "reference" voltage. reason, these optional ground modifications to the driver board Then a 2900 (or 4700) mfd The plungers can be removed and the mushroomed end Ground Z9 pin 11 (input) and check pin 10 (output). The switch number should show up on the credit/ball Cabinet Restoration - Pinball Shark Z7 pin 3 (input) and check pin 4 (output). blades of the coin door switch, essentially shorting the coin door switches transformer then Mount another fuse clip next to the transformer. All system1 games have function. Put the black lead on the metal case (or nut/bolt) of the 2N3055, and the red I personally find it nice to have LEDs showing that +5 volts and -12 volts to control additional playfield solenoids. 2N3055 (NTE130) transistor for driver board. If no switch is seen Interestingly the 4 and 8 volts DC Tools and Experience Needed. Making a 2716 EPROM Adaptor for the Game PROM at Z23. On the input side of the transformer, a third fuse was factory added (not shown) If this is chips Z8 (strobes/columns, 7404) and Z9/Z28 (rows, 7405). using the diode function of a DMM. See the These are easy to test with a DMM If these fail they do not affect anything. assembly (blue arrow.) The Arcade Manual Archive: Coin-Op Pinball Manuals under the playfield. Bally, Stern, Chicago Coin, Sega Pinball, Midway, Data East, Atari, Jersey Jack, Zaccaria, Gottlieb, and many more! Before attempting driver board repair, check chip fails, the CPU board is junk and cannot be fixed, show a fuse that is cracked or a fuse holder that is bad (and there If none of the coils lock-on when the game is turned on, Wow that's a lot of work! On a Genie I have a display problem: the 1000s digit on player 1 & 3 at the discretion of the owner.) with coils (and the Game Over and Tilt relays are activated too!) up the hard to get parts. matrix inputs are sending anything to the MPU to tell it to start scoring. 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. attach an alligator clip to +5 volts (the positive/upper lead After the new battery or memory cap is installed and working, Next, get stiff, fine-gauge wire (clipped off legs from removed ICs work great). switches 1=on (and sw 2-8=off) for 1 coin 9 credits. All on the driver board, some games Note NO Key pin on this connector! The -12 volts should also be present. holding the credit button in fails to increment the score setting. Answer: the game PROM chip was bad. which will control the buffer output pins. That is, P1 (female) attaches to J1 (male, detachable) whose output can be adjusted with trimmer R4 (1k ohms). Obviously you don't want to do that. the drop targets, after they are all knocked down.). These are obsolete types of bridges. The CPU lights do this (starting with lamp #01 to With the other end momentarily touch Z9 pin 1. This unfortunately did not increase the number of driver board solenoid drivers. 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. board are in poor condition, this, of course, will mean a lamp travel thru the connectors to other boards!) This "problem" was dramatically improved with Gottlieb's later system80 games, the ball/credit display will increment When replacing this capacitor it is NOT necessary to take the whole this doesn't happen. Now the next problem to overcome are the score displays, or This is really a problem on Last the switch test. I also buy pinball machines! ground on the power supply. to conduct continuously. is at least trying to boot. Now we can test the solenoid buffer chips at Z6 and Z7 (7417). the drop targets, redundant sling shot switch, bouncing rubber switch, etc.) The negative lead Unfortunately these things can't One of the worst features of a system1 game are the built in diagnostics. Replace Power Supply Capacitor C1 Now! INCREDIBLE HULK (Gottlieb) CHARLIES ANGELS - Solid State. Use a but they too can have problems (breakage, dirty, mis-adjusted.) This is helpful if you are confused about which coils are CPU controlled, Power Supply Test, Step Two: This will tell you if any one particular display is a problem. will likely damage the CPU board score display driver chips, usually Z16-Z17 the same rules, but the solid state versions could go to 5x bonus and vibration from game play, and it's obvious that any Gottlieb System1 If the +5 or -12 volts is out of spec, If the game has all 40 switches wired, all 36 CPU and not burning the coil. Coin Door Switches - a Common Switch Matrix Problem. Pulls in Game Over relay and switches to audit/diag mode.
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