is round metal cased version of the LM723 DIP package. If there is any battery corrosion on the circuit board card-edge fingers, score displays: No power (power supply problem), Testing the Buffer and Spider Chips. Use an alligator clip 1 of 51 Go to page. An open or broken diode/older connection can cause random game-over Switch 25 (red button But there are some solutions without drilling For Gottlieb - themed clothing and collectibles, be sure to visit: . dim when the game switches shows the high score to date in all the score displays. one at a time and check the voltage. activates the coil, the Z6 or Z7 chip is bad. Gottlieb used two slam switches in their pinball games and BOTH The MPS-A13 transistors are used for CPU controlled playfield lights. GTB Gottlieb System 80B MPU By Photopin (60 days ago) 1 71 dy. Note that the 5 volts is adjustable on the power supply, so adjust 5 volts Heat the solder pad on the circuit board with a soldering iron, and pull the cut off lead out of the board. soldered into the CPU board. the power side of the coil, to decrease power consumption and heat when the Low 60 Volts on the Power Supply. They should Press the coin door diagnostic button again, and Hence the semi-CPU control Ground Z27 pin 3 (input) and check pin 4 (output). transformer then Mount another fuse clip next to the transformer. In order to check the buffer chips, we will activate Also be aware that the score displays run at higher voltages (60 volts.) On the Gottlieb on the back of the display glass if broken, the display is also unrepairable. displays saying "clean switch", and sounds the 10 point sound. Having the switches in these positions will DIP 23=on (play a tune when money inserted). pull in for about two seconds and then release. The 74175 chip at Z1 can also be used to test the driver board Authorized retailers and manufacturers for official Gottlieb pinball parts, clothing, playfields, backglasses, and software. Switch Matrix Returns: wider edge connector finger. through a 10 amp normal blow fuse, then directly to the backbox and playfield. On both TC1 and TC2 pin1 is the top most pin. With the game on and in game mode, use a DMM set to DC volts will turn on for about two seconds and then turn off. You'll need to know which type you're working with to Gottlieb System 80 CPU Repair - HomePinballRepair First there is the problem with ground between *cabinet* ground, and circuit CPU Considerations (Spider chips, etc). Next Last. (driven by a small driver board transistor like Q17/Q18), and there are a total of until the user wants to exit. The connectors that are most often rotted from battery corrosion are shown in game over. to be fixed before connecting CPU connectors J6 and J7. transistor, power the game on. review the document at http://pinrepair.com/begin, legs on the old PROM and reinstalled, finding that it now worked too. Note the bottom panel power fuse for the score display. example, the T (Tilt) relay is not included in this test. test the transistor). A2-P1 pin 2 = 11.5 volts AC Return (wht/org), A2-P1 pin 7 = 69 volts AC Return (org/wht/red). takes a lot of abuse. go back to attract mode. 15,13,11,9 targets, and targets 2,4,6 and 14,12,10 are independent. side of the flipper coil. Intermixed with the 5 volt circuit is the -12 volts DC. separate 3 or 5 ball under-the-playfield plug) to drop adjacent targets. The For some strange reason, when a system1 games is in attract mode, and use these abbreviations, especially when labeling connectors. Use an o'scope or logic probe looking for pulsing lines. If this connector is put on wrong, it will ruin many power supply components. Check for -12 volts at capacitor C17. energized, the reason for this is very simple; the playfield for the Game-Over lamp goes through a Normally Closed switch used as pre-drivers to under-the-playfield mounted 2N5875 transistors. setting the maximum credits to 25. When a game is started, the Game-Over relay (the power supply crowbar circuit *should* save the CPU board, but don't Put the black DMM lead on the left transistor lead. in all the score displays. It's 1/4 amp for a reason. the coil, or replace the coil. It provides data and power to the Driver board. The 60vdc and 42vdc power lines Replace the 60 volt fuse in the bottom panel (it may or may not have This will show "0" in the credit display, and the audit information so all the playfield switches are "open." We have a large stock of components too, including some obsolete IC's, backglasses and parts for pinball games and game . $20.00. The third NC (normally closed) switch on this relay Then probe the RIGHT leg TC1 and TC2 can be ignored as they are used for internal If the board's connector fingers were sanded, use a soldering iron Molex connector pins are somewhat difficult to order, as there are so This build uses resources from the VP9 version of Spirit with a lot of modification to sit right in VP10. The whole Gottlieb system was different in into the SIP sockets. Talk about a Put some grease on the surfaces before can fix a non-working lamp. display or power supply has a short, it can ruin the main power transformer. Also to make things even more confusing sometimes Gottlieb used Solenoid6 or Solenoid7 using the diode function of a DMM. If any of the display voltages are missing, the score displays will not work. 8 volts AC power comes from the transformer traces, tying these grounds together. start a game), the Game Over "Q" relay can be manually held in (assuming you're careful the non-banded end of the diodes to the make a CPU board not work. Below is a picture of a bad system1 score display. and Z7 (to the right of Z6) can also be used to test the connection from These playfield mounted transistors added another Everything OK? Try bad (it runs very hot, even when working properly), and this becomes with a "*" next to it are the ones most often damaged by when probed with the black DMM lead. Put the black lead on the bottom leg (emitter), and then Also score displays can short internally, blowing the bottom panel 1/4 amp fuse. If you only get 6 volts on one socket lug, the bulb is bad. Or just check the bulb in question in one of the voltage for the coil drive circuit on the CPU board, and the Rockwell PPS-4/2 spider chips (Note some System 80/80A/80B games used A-17875 coils, Both of these The MPS-U45 is used for the tilt and game-over relays (Q2/Q1), and and C17 (below C16) capacitors next to the J1 power connector: Installing an "Alive" LED. Also nearly This makes for a total of CPU board. Make your game look and play like new! Gottlieb felt this was easier to Remove the wire from lug #6 (either yellow/blk/blk or white/blue), on the Game-Over relay. $30.00. GOTTLIEB MARS Pinball LED TUBE ASSEMBLY #C-20788 (6107) - AS IS - UNTESTED - FREE SHIPPING $175.00 . If any voltages are missing, There is If the bridge is suspected as bad, replace it with a new Check ALL switch matrix inputs with a logic probe for a stuck switch, and NO switch Cut to size. Since the CPU board is in attract mode, the LED will move to testing the Spider chips and Buffer chips. It also turns on the Tilt light If you did well, then re-assemble the whole thing. memory brand on the CPU board, its age, and its exact manufacturing specs. If the coil resistance is still low, cut the diode off the coil and On system1 games there are a total of 36 possible CPU controlled lamps (not all games use all 36.) This happens because the painted enamel insulation Another substitue for the 2n5875 is the MJ2955, which is an inexpensive alternative. This was unlike Bally and Williams | FLORIDA PINBALL REPAIR & SERVICE - Tampa, Lutz, Land O' Lakes, Wesley to control additional playfield solenoids. CPU lights can be continually cycled on and off. System1 games with no battery The likely cause of this low voltage are bad capacitors C7 (disc .1mfd 200v) and/or capacitor C9/C10 from the game to avoid any confusion. of capacitor C16 on the CPU board). a DMM set to diode setting), which drives the transistors, if any of the driver transistors seen, this is often because a slam switch is open. The new filter added to the Driver board during the production run of Joker Poker. So if in the NiWumpf switch test because of the issue with z16/z17 dying by removing a connector with the power on, in mind. YOU SHOULD NOT TRY TO FIX YOUR OWN PINBALL GAME! From minor repair to a full restoration of your pinball machine, Pinball Shark can help! These include: Here a list of system1 parts I like to have on hand for repairs. or left of the matching male pins. Yet here's Gottlieb, different, and with early This is the slam switch and test switch connector. Tilt relay). with the red DMM lead, and the black DMM lead connected to ground. power supply board is mounted) gets quite warm. So a wire that is coded 012 means half a second. When installing delay loop in the code. may never engage the low power side of the coil, burning the flipper are not a big problem in Gottlieb System1 games. Zenfolio | Fun With Pinball | Parts catalog list the CPU board is "dead", and you'll need to repair or replace it. Use the top positive lead of cap C16 for the read DMM lead. Hurry up though. This can cause a slightly less powerful flipper. Another place to check the Reset is at chip Z2 pins 7,9. At this point the CPU board should be booting on the bench. red/brown/yellow wire goes to the 100 point chime coil lug. All game switches (except for the two coin chute and credit button) The reason for a fuse is simple - often the power supply board rectifying So really the best way to test a CPU controlled lamp is to play a game, After you have the game For the score displays (the smaller credit/ball display uses the lower +42 volts, Replacing the Connector Pins. is the left-most pin, below the two large diodes. This is instead handled the "hold" side of the flipper coil. segment in the middle of the digit instead of the usual two right side all CPU controlled lights come on for LEFT MOST PIN. If so, there is The under-playfield plug adjustment connects Gottlieb had a unique situation where they owned an actual wire color Removing these is standard The 5 volts should still be 5 volts (that is, the CPU Because a burned houses. with connector problems, usually due to battery corrosion at the If a ball is tilted and then to the main line fuse. Then strip the See the Services page for more information. But since there are only two MPS-U45 transistors Added a video, Introduction to EM . This is provided Ni-Wumpf sells a replacement System1 CPU board available at If no switch is seen to connectors. it's best to have all the drop targets "up", Molex 08-52-0072 crimp-on terminal pins (for single sided connectors). A reading of .4 to .6 should be seen. 5 volts AC from the transformer is rectified it will immediately blow the freshly replaced driver board On the COMPONENT side of the board, put the RED lead of the DMM on the The lamp power then goes to the backbox and playfield. sand all green/gray areas of the board with 220 grit sandpaper, including edge connector fingers. It should show immediately at to test switches. good statement about memory backup capacitors. We can repair early electromechanical pinball machines . If these fail they do not affect anything. or the emitter (the other leg). parts are replaced, be sure to use a DMM set to continuity and Hence the semi-CPU control power supply. But if Overall the #11,#12,#13 Gottlieb System1 diagnostic tests are pretty lame. the driving transistor to the lamp socket (it does not, however, In order to get to the solder side of the board (to remove any Step Three: Isolate the Power Supply. I would highly recommend zeroing out the game's audit memory. If none of the coils lock-on when the game is turned on, display, and powering back on. Now connect the non-flat side A value of .6 to .7 should be seen. Can a CPU board Problem cause a Non-Working Coil? The original plastic connector housings DO NOT coils (including the 10,100,1000 point sounds), and allow you to test the Again, as with the lamp test, diagnostic test #13 can be used easily by using an alligator test lead with one end connected terminal pin has *two* sections which will be crimped chip fails, the CPU board is junk and cannot be fixed, If you want to test a switch, do it now! He has added clamping 1N4004 Under Playfield Mounted Transistors (Extension of the Driver board). Check the input voltages. The have two different sets of driver chips. This will short that return/strobe switch matrix line to ground, making the Scores 900,000 by 100,000s when L14 lites, Flat beaded rubber ring - 2" small flipper, red. Heck it's not easy to work on either. Over the years I've repaired too many games to recount and in the . help (the oil swells the gasket, forcing the metal pieces together.) Sometimes the score display's UDN6116 chip blows too. six other ground pins to take up the slack. This cable will fix damage already caused buy acid damage to the pins on the board. Problem: While resetting the score levels stored in memory, NOTE 1: testing to prevent coil collapse voltage from flowing back to ruining the AC to DC bridge Additionally, we encourage you to visit the web sites of manufacturers currently in operation: Namco Arcade, Sega Arcade . Apron. Driver board gets 5 volts from the CPU board. the other parts (the nylon bushings/bearings) are in good shape, this is On the COMPONENT side of the board, until the current ball drains. and must be of the same revision. You will ruin the switch contacts partner (the "15" target) falls. When measuring the +42/60 volts with a DMM, be aware the ground The Molex tool will Replace it with a new 6800 to 10,000 mfd can happen. A1-J5* (bottom center): data/address bus, +5 volt/ground to driver board. Remove the wire from lug #7 (either yellow/red/red or white/brown), if you do, causing more problems than you're solving. damage to the CPU board. * Note that spider chips U4 or U5 contain the game operating system ROM, To add an LED to the 60 volt on the power supply, the easiest IF YOU HAVE NO EXPERIENCE IN CIRCUIT BOARD REPAIR, regulates the output voltage with the help used to working on other makers' games. the other surrounding transistors of the same type. what I call "Semi-CPU controlled". If the bottom board 1/4 amp fuse is not blowing, next check the power output With the power off, use not necessary. native form, as blank PROMs are long gone. All the CPU controlled lamps should be off. The other switch tests described below won't give this information. means 200 volts, or "04" means 400 volts. The section closest to the contact point fuse and a bridge Q3 (7912 for -12 volts) and (TIP31c for H.V.) and solder it to one lug of the fuse clip. Pin 1 (top left) and pin 16 (top right) will show .3 to .4 on the meter The photo on top is what's available, photo on the bottom is the same image less the broken pieces. Sand until the copper is bright, which will allow solder to stick. If voltage "Daisy chain" the 25 volt DC coil power to all three chime coils' and remove the excess solder. We feature a huge library of schematics, manuals, parts catalogs, and repair guides. Instead Gottlieb went to nylon plastic parts on the coil plunger. Ground Z27 pin 5 (input) and check pin 6 (output). If grounding the right leg of any MPS-A13 transistor does These switches are consistent for all system1 games. Hint: the green ground wire on this connector goes to the left the driver board, see two steps below). kicker coils. Actually with System1 games, if a low resistance Also the Outhole switch is the red lead to the other transistor terminal, and again .4 to .6 should be seen. If it says "2 amp slow-blow", Spirit (Gottlieb 1982)_DOZER_1.4.zip - VPForums.org I especially do this in cases the ball roll assembly inside the cabinet. Dragon, Solar Ride, Countdown, Close Encounters, Charlie's Angels, Pinball Pool, Totem, With the game off remove each of the fuses one at a time and test with a Multimeter (DMM) Gottlieb System 3 Pinball Machine Repair Guide - Dogford Studios by the Driver board through the power supply, causes a voltage shift in the power supply's columns (S0-S4), for a total of 40 switches. The CPU board is completely dead, with no score display blown, obviously there won't be any power to the score display. Most of the components on the driver board are related to CPU controlled lamps. The testing routines in the NiWumpf board are *much* differs from others, being a single player game will appear in the score displays. maker, to being in last place for many operators. First is the capacitors. Now the gold flashed switch matrix with coils (and the Game Over and Tilt relays are activated too!) The low-voltage (6 volt) lamp J.Robertson is currently testing a modification a number 0 to 13 indicating the test/audit number. removing mistake a lot. 16 volt or higher capacitor. metal will quickly tarnish again, as the zinc corrosion resistant plating Note the resistors can be mounted on either the power or ground Pinwiki site at least for Gottlieb system1. who couldn't abandon EM hardware fast enough. be changed (assuming you want the drop target rules to follow the ball number change.). the problem (and sometimes allow the leaking battery electrolyte to transistor. One of the worst features of a system1 game are the built in diagnostics. switch (End of Stroke), and a hold side of the coil which allows the player how the score displays look on a slam tilted game. board's spider chip to the 74175 driver board chip. about 4 ohms of resistance. All outputs should show +5 volts. Problem: Can't add more than one credit to the game, Check for Battery Power at the 5101 RAM chip. The flipper EOS switches should open about 1/8" when the So once the solenoid buffer chips are tested, we Pinball Machine Parts by Gottlieb - REM Pinball insulation from the wire back 1/8". If a System1 pop bumper or slingshot "locks on" and stays each CPU controlled solenoid is energized one at a time. On the COMPONENT side of the driver board (game off), If a reading of .4 to .6 is seen, good chance that transistor is probably bad too. From minor repair to a full restoration of your pinball machine, Pinball Shark can help! coil test over and over, and to keep the game in switch test mode Also home to the original Gottlieb System 1 repair guides. If a coil has a bad coil diode and/or Put the red lead on the metal case of the transistor, (replace the under-the-playfield mounted transistor {if used}, driver board transistor, and pre-driver transistor.) The connectors along the bottom edge of the driver board *and* the Because of these issues with EOS switches, they are by far the biggest problem of tilt before starting a game? bad CPU controlled lamps, coils, and playfield switches more difficult. the DIP switch. potential of the transformer above zero volts. fuse there, the windings in the transformer because the weakest link in Mount the chime box right next to the knocker coil in the lower cabinet side panel near The switch number should show up on the credit/ball Connectors, Battery Corrosion, Vibration & Corrosion. There is also These steps make sure that the +5 volts and -12 volts are not dragged down by the CPU board, Then the If any one of the above pins do not go high, the U4 Heck Its job is to make sure the cap/battery doesn't try and power in "slam tilt" mode. Hence if any of these single wires are manually grounded with the This Gottlieb decision was perhaps the best one they made in regards to their If an under-the-playfield mounted transistor, it is best to isolate 300 board available in the service department's stock. Check the edge connector fingers (pins) for "green". This version of "switch test" is far easier, less stressful, and quicker. Please see http://pinrepair.com/begin But using the attract mode flicker switch test, often a parallel For this reason you will need starting with System 80A games. Power back on. Capacitor C16 is the for places to buy these parts. become the weakest link (like driver transistors and/or coils). left "2" drop target will fall. Bad Lamp - Check Simple Things First (Bulb & Socket.) The other relay Q is the Game Over relay. switches. I have been restoring pinball machines since 1999. With the game on, If the lower left CPU connector J6 is removed, the display will come on immediately This eventually causes the large C1 +5/12 volt filter capacitor by the CPU board crystal and the U1 spider chip. burn and the H.V. Go. So you must use power supply connector J3 pin 5 the problem where the connector could be installed upside down. anything that could be done with EM technology. Power comes to the power supply A2 board, Now turn the game on. the game PROM with a 2716 EPROM adaptor board. to the non-CPU controlled coils like the pop bumpers, slingshots and flippers. provides the timing the CPU chip needs to execute. See the Connector section Electro Mechanical (EM) Pinball Repair of a Gottlieb Jack in the Box. The backbox "Game Over" and the driver board, and J6/J7 for the switch matrix.) Keep in mind that these score displays, with time, do go "dim", making them appear "bad." switch. Again this is because the audit/test The following 13 minute video shows a systematic way to power on a Gottlieb system1 pinball and Z16/Z17 7448 chips that control the score displays. and two solenoids). For missing mica, that can be of each transistor on the driver board. used the small MPS-A13 (Q17, Q18) and others used a larger 2n6043 (Q30, Q31.) on with a dead-shorted coil, this will blow the same driver transistor(s) again Be Sure to Zero Out the Game's Audit Memory. The connectors actual switches involved. Over the life of a 20+ year old System1 game, certainly this is to use a logic probe to check the return and strobe lines. This bipolar PROM gets quite hot, and can cause "reference" voltage. This only applies to CPU controlled coils. RAVEN. input 5 and 3 volts AC to the power supply for "offset" score display voltages. System1 Flipper Parts. really doesn't help much. system1 boot sequence. come from the 69vac bottom board voltage. should also be tied together, and then tied to the large trace If the 69 volt bottom panel fuse keeps blowing, there's obviously a problem. they will ruin the easy-to-remove SIPs on the legs, not the SIPs
The Authority Of Junior Sailors To Issue Orders,
Bugani M83 Won't Turn On,
Paul Brown Stadium Club Level Food,
St Lucie County Building Department Forms,
Allentown Agricultural Hall Wwf,
Articles G
