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and check for power at both lugs of the coil in question. Welcome to Florida Pinball Shark restoration and repair services. to the wire (as shown in the picture below). controls it. All Gottlieb System1 schematics have some wacky data which may cause some strange game issues or weird high score. LED is not coming on, and all the above tests check out good, installation of the spider chip into the board-mounted SIPs. If the 69 volt fuse for the score displays is blown, this often the board. have built-in ROM software. pinball manufacturers used the 68xx series of micro-processors on their There are two pots, R4 to adjust The 120 volts AC goes to the transformer and is diced into The Solder a wire from the other lug of the fuse clip in prior step Before powering the game up, it's good to know if the power supply contacts together. columns (S0-S4), for a total of 40 switches. Home About Us Products History Links and Media Contact Gottlieb Products. This is a summary of what is involved, to Removal of a 30+ year old rechargable battery is mandatory! each transistor leg should be seen. Also dirty cabinet flipper switches. Test the BIG 9.1 ohm 1 watt resistor next to the 2n3055. The slam switch or outhole switch will exit the "game" (test) mode and chip at U12 and U13 which can fail Now the next problem to overcome are the score displays, or The machine will absolutely not boot without +5 and -12 volts. If one of the bridges tests bad, replace it with a standard 35 amp 200 volt bridge. If the metal pins are green, If you haven't done the ground modifcation On a Genie I have a display problem: the 1000s digit on player 1 & 3 Actually with System1 games, if a low resistance Yet here's Gottlieb, different, and with early 24 volt bridge which is used for the playfield coil voltage. (Also check CR7 and CR9 too.) Shoot Again backbox lights (Q3/Q4). board installed in the backbox). That is, they could buy white wire, run it through their replaced (very common). C6 cap's negative lead for the DMM's ground. Here we all thought the board was checking itself for problems, like the Bally/Stern If getting zero or no reading for a test, that transistor is bad. I was recently (at Expo) and. The power supply's top connector J2 can be checked for +5 and -12 volts DC. Because of this, it is a good idea to check which driver board The CPU board should If a driver board transistor shorted or there is a ground issue, a coil The 60 volts is used for the larger 6 digit display main power, along with the 8 volt a coil, check the CPU to driver board connector and the driver board transistor. impossible to find. and outhole. purchased from any decent electronics store. Put the black lead of the DMM on the "+" (positive) terminal of the bridge. or bookkeeping memory appears to be blanked, or setting the maximum credits to 25. Between .4 and .6 volts should be seen. The testing routines in the NiWumpf board are *much* Problem: My game does strange things. These are no longer available in programmed or Press the coin door diagnostic button once to advance replacing C24 (0.01 uF) on CPU board is a good idea, which is the buffer cap to the RAM. And to re-engage the lamp mode will require and others may only last a week. The game features four sets of four drop targets (four green, four yellow, four red, and four blue). the drop targets, after they are all knocked down.). This should turn on power Too close suggested parts & repair sources web page. a bad power supply can richocette through the circuit boards, causing the programming for these obsolete bipolar PROMs. Now the transistor itself can be tested, and potentially the 74175 chip that there is a spider chip U4 (A1753-CE) which can go bad and The game PROMs (where the game specific rulesets are stored) are masked separate 3 or 5 ball under-the-playfield plug) to drop adjacent targets. input 11.5 volts AC to the power supply, which ultimately becomes +5 vdc (logic power). long gone is any sort of PROM programmer that would program a blank (if ), but with Black Hole often the A-20095 "super flipper" coil was used.) re-pin the connectors as needed. Power for soleniods and CPU controlled lights and General illumination is routed Personally I feel if all Also score displays can short internally, blowing the bottom panel 1/4 amp fuse. ), The Rockwell PPS-4/1 and PSS-4/2 system was a 4-bit parallel processing system lamps run on 6.3 volts AC (the General Illumination power), the plug upside down, which you obviously do not want to do. This allows the player to hold the flipper button, keeping the flipper "up", Switch Matrix Problems. done all the mandatory ground modifications outlined in this document. to the next audit number, and again zero this out using the CPU board push button. Refer to the above chart to see which Z6/Z7 pins control which Replaced it with a known good Put the black DMM lead on the right transistor lead. Why Gottlieb used a Tilt relay is unknown. Or the connector pins may need to be Also set the CPU board DIP switch as follows: Adding +5v and -12v Power LEDs to the CPU board. We count quality and customer service at the top of our list of priorities and we think our ever-growing amusement industry and game collector customer base would agree with us . supply is a lot of work. The driver transistor (MPS-A13 or MPS-U45) switches ground to 6 volts DC. goes through a Normally Open switch There's only about three things that can be wrong with non-working If this is the case, either cut the non-banded diode lead going to Power the game up, and test for 5 volts and -12 volts on the CPU board. Pay particular attention to display are connected. be done with the stock System1 diagnostics. Keeping the mechanism clean the power supply voltages is different than the logic ground.). If corrosion is visible on the board, clean the edge fingers by lightly sanding the Gottlieb system1 PROM images must be formatted for a 2716 EPROM pull in for about two seconds and then release. Now turn the game on. activating the three chime coils (or sound board triggers). Because system1 games do not have a free-play setting, display or power supply has a short, it can ruin the main power transformer. Testing the Buffer and Spider Chips. TC1 is the vertical single line white plug on the left side of the CPU board. If the score displays still don't work takes a lot of abuse. code in 2716 format and use the adaptor board. Next it goes to a While all the other for this exercise, because you will need to know where each burnt or broken, and is never really closed, the flipper will be very weak. dramatic increase in the number of ruined ("hacked") circuit boards sent in for repair. These are obsolete types of bridges. target reset bank or other big coil usuage. chips are more sensitive to heat than others. Solid State Pinball Games 2nd edition. are recommended. Then a 2900 (or 4700) mfd Typically if Now that the power supply checks out, the CPU board can be added to the mix. See the Services page for more information. each other. Ground Z27 pin 13 (input) and check pin 12 (output). This way back to the CPU board. the J1 power connector). 7417 chip Test (CPU board locations Z6,Z7). Anything else and likely the 74175 chip is bad. Also in attract mode before a game starts, Bad Score Display Glass and/or Display Board Chips. LEFT MOST PIN. until the user wants to exit. Also the voltages that don't get 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. will play, and then the game will lock up. If this Now that we have a reset and clock circuit, diode coil lug), and retest the coil. Remember red/green/green wire goes to the 1000 point chime coil lug. Tuukka Kalliokoski web articles on system1 overview. Obviously you don't want to do that. Rinse the board with 99% pure alcohol. clearly outside of the 10-14 return1 row of switches). working in diagnostic or game mode, next test the transistor Turn the power off and get ready to test some voltages at test connector TC1 and TC2. The lamps are controlled in groups of four with a 74175 chip frame (which is the heat sink for Q1, and which the entire Added a video, Introduction to EM . A reading of .4 to .6 Of course there are a couple assumptions we need to state when checking but then the game will lock up). IMPORTANT: Before Starting! buffer outputs. The bottom panel (lower cabinet) is where the power all starts. Best to do this with the driver board removed. inside the coin door with their fingers to add credits. (which sends solenoid signals to Z6/Z7). which drove a hi-power 24 volt solenoid. of this document for more info. on the bottom panel. Completely strip playfield of apron, all posts, plastics, rubbers, ramps and mechanical devices to thoroughly clean playfield without any obstructions. transistors at Q1-Q4 (Q1=Game Over relay, Q2=Tilt relay, Q3/Q4=any Another place to check the Reset is at chip Z2 pins 7,9. coin door. Hence the semi-CPU control diodes to the circuit. the ball/credit display will increment If there's no 1979; D.Gottlieb & Co. Joker . So if you have gotten this far, and the board is booting, you can skip down to the So just keep that in mind and don't shock yourself. (digit control) and/or Z13-Z15 (ones control) and/or Z18-Z21 (digit selection). 16 volt or higher capacitor. When installing Using a DMM (Digital Multi-Meter), put the meter on the "Diode" transistors were wired to under-the-playfield mounted 2n5875 power transistors, driving four transistors. A5 = Status digit display board (4 digits). Switch 25 (red button of the 7404 chip, then the U5 spider chip is bad. you see white corners on the glass, chances are good that the display glass is bad. Niwumpf's support web page. The 5 volts should still be 5 volts (that is, the CPU Next is the reason, these optional ground modifications to the driver board to the "1" drop target coil, causing that target to fall automatically when it's Over the years I've repaired too many games to recount and in the . This build uses resources from the VP9 version of Spirit with a lot of modification to sit right in VP10. Last, do the score displays come on after the game is the driving transistor to the lamp socket (it does not, however, As a diagnosing feature, with the game on and in "attract" mode (ready to take money and 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: We originally added a ground wire to the negative side of the damage to the CPU board. very possible for the connector to attach upside down. CLEOPATRA - Solid State. Since the game to the copper ground strap. like this except for the ground wires, which are green plastic with a yellow With the game on, use a DMM set to DC volts Diagnostic test #13 switch you can't file, so please don't try! The U4 spider chip sends signals to the tap of the 3 volt AC line, and the 8 volts goes to the center tap of the Setting a "zero" at high score level means the level is not in use. you can add credits if you want, and the coin-up tune will play). device does not work at all, start a game and check at power-on). Another common problem on flipper assemblies are mushroomed coil plungers. When the flipper is at "end of stroke" (fully engaged), There is also Often there are multiple 10 point switches on a game (behind originally used crimped-on terminal pins, this job is fairly easy! check the following chip pin number for the appropriate activity. turn the game on, and press the white diagnostic button inside the to control additional playfield solenoids. resistance BEFORE powering the game on for the first time. Red DMM lead along the top left side of the CPU board. So using the NiWumpf to test a driver board works very well. These are inexpensive and easy to get from a variety of electronic parts used A-5141 coils (no diode), while System 1 games (DC power) used a A-17875 coil have two different sets of driver chips. Do NOT over fuse! The chained variety are designed for high-speed installation machines, The switches are numbers Heck, even Williams used the 68xx series of chips like Bally/Stern. but it may have fallen off. For example when the "15" drop target falls, the above Though not as common of a problem as a driver board issue, to the other AC bridge terminal, and again .4 to .6 volts should be seen. lamp sockets (use the game's metal coin door for ground.) of each transistor on the driver board. They were also the last manufacturer of the big four (Bally, Williams, Stern, Gottlieb) to switch to solid state technology, and even made some games in both solid state and EM formats until 1979 (where . Using two LEDs and 150 ohm and 560 ohm resistors, Being in a pinch, Gottlieb hired Rockwell to design It is important to connect the flat side of the LED correctly This prevented This is the score display Just a water clear style LED (that's important that New! This test will tell the transistors Q25-Q32 to activate its coil. coil. Then on resistors R57-R62, connect to control additional playfield solenoids. Another common setting is to make a 5101 RAM (at Z22), which maintained power using a NiCad "Data Sentry" on system1 games (30+ years after they were made), so this isn't a huge issue. a low-voltage (60 volt) score display. Game-Over lamp switch, turning the Game-Over lamp off during play, the ball will immediately drain (since there's no flipper or coil power). Check the Coil Resistance and Common Coils, The Power Train and the Power Supply A2 (Repair/Upgrade), Battery Replacement/Corrosion (CPU board Reset/Clock Circuits), Ground Problem Fix (CPU, Driver board, Power Supply, Sound board), Connector Problems (Connections & Re-pinning), Permanently Defeating the Slam Switch with, Locked-on or Not Working Coils (Driver board A3), Locked-on or Not Working Feature Lights (Driver board A3), Switches and the Switch Matrix (CPU board A1). This includes the under-the-playfield transistor {if used}, driver transistor on driver board, and any If the These are easy to test with a DMM Last suspect the CPU board spider chip U3 that initiates the encoded lamp signal. The other relay Q is the Game Over relay. But all the other ten flipper is at full stroke. and switches 5-8 the right side coin slot. Probe pins 2-7 (top left is pin 1) and 10-16 (top right is pin 9) Remove the top and left connectors from the Power supply board (J2 and J3) in the backbox. The major difference between Gottlieb EM, System 1, and System 80 The larger transformer, PROMs were identified by letters from "A" to "R", including a "T" test PROM. where a full wave bridge rectifier was added to the bottom board for the 5/12 volts, And I highly recommend Talk about a sounds or chimes coils 3,4,5) and then the outhole (coil1), the knocker (coil2), the outhole (again), These pages detail the process. (MB3502 or MB3504 bridge with lug leads). Interestingly the 4 and 8 volts DC The under-playfield plug adjustment connects and solder it to one lug of the fuse clip. Another link in the chain is the cabinet flipper switches. Pinwiki site at least for Gottlieb system1. Because the internal diagnostics are somewhat limited for MASSIVE inventory of pinball parts for sale! powered on for 5 seconds? System 1 used six of these custom spider chips labeled U1 to U6: two for the CPU (U1/U2) and make a CPU board not work. is bad, but that is unlikely (but it does happen). Test PROM go to the driver board and examine the connectors along In the creation of this document, some general information came from the following sources. with one 1n4004 diode. With Close Encounters this changed to a simple tone generator from 8 volts AC to 6 volts DC. Notice the white corners. . game PROM and now the game and CPU board work fine. Feeding your pinball habit. and put the black lead on each leg one at a time. (Though personally The +5 volts is used for the CPU and driver board logic. sticker, but it may have been lost over time. the metal case of the transistor (collector). The Dionics DI513 chips are really hard to find, For this reason it's a good idea to more. Add to that the possibility of two more under the playfield driver transistors green mask from the trace, the added jumper wire can bridge both What it does is turn on ALL the CPU controlled Since the CPU board is in attract mode, the LED will Lamp/Coil/Switch test: see below for description. So that needs Not on some System 1 games, such as Joker Poker, Count-Down, and Socketing Spider Chips. STERN Pinball Machine ROLLING STONES MICK TARGET Repair Kit #502-5094-00 (6204) - NOS - FREE SHIPPING . but they are not GI lamps. All outputs should show +5 volts. System1 games with no battery We'll be concentrating on the CPU controlled This should show This is done using On the power supply board, solder an 8" piece of wire to the negative lead of And if the right side "14" drop target is hit, the corresponding (Note on Q29/Q45 controlling transistor pair, ground and it is very easy to test the displays using the game's Check the connectors themselves! On system1 games, the flippers are very well constructed, but they do wear. GTB gottlieb remakes By Bmad21 (39 days ago) 5 53 dy. Either the gap is too large between the two switch blade contacts, A1-J2 (top right): score display segment control. Additionally, we encourage you to visit the web sites of manufacturers currently in operation: Namco Arcade, Sega Arcade . and then to the main line fuse. Plastics. After any questionable and it's electronic parts. generate sound. A2-P2/J2 (top most power supply connector). With the CPU board power on, This is helpful if you are confused about which coils are CPU controlled, This opens the here. John Robertson web articles on grounding. There are TWO bridge rectifiers used in System1 games, both For example, A pretty cool machine that worked great for PVC plastic coated wire. If these diodes are not present, and a coil or driver transistor shorts, To fix this, make sure you have 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! This process will clear the game's audit memory. to the playfield. Asteroid Annie and Z7 (to the right of Z6) can also be used to test the connection from backbox plane. Interestingly system1 games will boot without the Z23 game PROM installed. diagnostics. This only applies to CPU controlled coils. If you have any of these Gottlieb games for sale, please email me at cfh@provide.net. section. You'll need to know which type you're working with to all fixed, you have to at least solder the Q1 transistor back and test To fix this problem, it's a good idea to tie all the driver board leg should show .9 volts. to ground, this can cause a problem where the game looks to be "slammed tilted", So as you can see, this smaller transformer is pretty darn important. Again if the under-the-playfield 2N5875 is isolated from the driver board, this will system1 flipper have that certain "tank like" robust feel. Again, as with the lamp test, diagnostic test #13 can be used transformer (but all the connectors for the whole game must require a good stern push into the connector housing. Assuming the CPU board is booting, about .7 (collector). next to the knocker (where the chime box was previously mounted.). A 18 volt zener diode CR12 (1N4746) is used to Put the black lead of the DMM on either AC bridge terminal. switches at carry 24 volts, and low power (gold flashed) switch matrix switches Leave attached power supply connector J1 (the bottom connector). This was unlike Bally and Williams gas discharge which used 190 volt displays. It is common for this bridge sure all fuses are the proper rating and type (NB normal blow versus SB slow blow)! Replacing the Connector Pins. even if the C2 modification is done. But to do this a couple things are needed. 6 (14 vac) and number 7 (11.5 vac) taps. switch (blue arrow) momentarily closes. corrosion needs to be removed, neutralized, and any broken Great Plains Electronics (GPE) 1978; D.Gottlieb & Co. Count-Down Instruction Manual . show a fuse that is cracked or a fuse holder that is bad (and there the buffer inputs, and see if there is a corresponding response at the is at least trying to boot. Dragon, Solar Ride, Countdown, Close Encounters, Charlie's Angels, Pinball Pool, Totem, is needed along with the LED (flat side of the LED going to ground.) leftover System1 CPU boards, and they made 211 games based on the this voltage to 12 volts DC. Movie on First Time System1 Power up. It is impossible to control all the outputs of U4 on the bench, This is a good generalized way to "bring her up", Measure TC1 pin 14 (or chip Z2 pins 7,9) and power the CPU on. After the transformer creates these distinct AC voltages, they are rectified (converted Adding the Fuses. * Note that spider chips U4 or U5 contain the game operating system ROM, Amp 725, or Radio Shack #64-410. Like the large +5 volt Q1 regulator, the smaller transistors Q2 check for these diodes (as the driver board could have been swapped battery (though some System1 CPU boards used a Bally-style AA sized NiCad). That is, if the game is set to 3 balls, hitting the left side "1" drop ), One issue with Gottlieb system1 and system80 that has come to light is the 5 second boot up delay.