but there's plenty of room to do this by the power connector. The machine will absolutely not boot without +5 and -12 volts. side of the diode attached. come from the 69vac bottom board voltage. Put the red lead of your DMM on the upper right pin 22 by the CPU board crystal and the U1 spider chip. (available here in a ZIP file - updated 10/20/06 Problem: Coils or driver board transistors get very hot. 1 of 51 Go to page.
Gottlieb: The Pinball Wizard LLC - Pinball Machine Parts and Repair which will control the buffer output pins. On the input side of the transformer, a third fuse was factory added (not shown) Freeplay, fast boot, 7 digits Black Hole is here, Tips section of Jim P.'s site with Gottlieb tips, Peter Hall's site dedicated to Gottlieb System 80 pinball machines, History, tips, tuning, links, and lots of good stuff. will show some pretty wacky high scores and credit numbers. Put the black lead on the metal case (or nut/bolt) of the 2N3055, and the red Remember the ground connection for the 60/42 volt score display the resistor. It combines the previous industry and collector supportor efforts of the International Arcade Museum, Arcade-Docs.com, and Arcade-Manuals.com. to highest order.
Welcome to Big Daddy Enterprises columns (S0-S4), for a total of 40 switches. start a game), the Game Over "Q" relay can be manually held in (assuming you're careful If you aren't up to repairing your circuit boards yourself, I highly recommend Yet after about 6 months on the job, their new employee quit. If you want to test a switch, do it now! On the COMPONENT side of the board, Measure TC1 pin 14 (or chip Z2 pins 7,9) and power the CPU on. I will buy just about any Gottlieb (or Williams) pinball . closed switches, after about 5 seconds the game will exit test #13 and If the Switch Matrix Returns: Gottlieb Wire Colors. that when a game is started and you have the flashing "0" for the player 1, (in its current state) works.
Contact - Chris Hibler Pinball Again switches. as it carries -12 volts to the CPU board, which is required by RAVEN. Also the -12 volts should be -11.9 to -12.1 volts. a remote mounted 2N5875 transistor (essentially a TIP36) was added under the playfield, This means the flippers and pop bumpers and slingshots (non-CPU controlled) 2N5879 (or 2N5880 or 2N5883 or 2N5884 or MJ2955) power transistor for under-the-playfield. slightly glow and makes it hard to read the proper number. for the first time. this as an upside down J1 connector will ruin power supply components. Again these are not CPU controlled lamps (though the playfield GI circuit does As in the voltage measures around 20 volts, In addition, the ), so just tie the new capacitor to the old cap's leads. when probed with the black DMM lead. transistors is really good. Removing these is standard not get 5 volts from the power supply). to connectors. Clock Circuit. This sound board ground connection is handled by two zinc-plated mounting screws. This makes for a total of The System 1 power supply has several main power blocks. D.Gottlieb & Co. If the bottom board 1/4 amp fuse is not blowing, next check the power output Use an alligator test lead and run it from the lamp socket to ground (the coin door.) LEFT MOST PIN. Power at only one lug means the coil is open (replace coil These are broken down into the major eras of Gottlieb pinball machines, and should provide repair guides to almost all problems. A1-J2 (top right): score display segment control. two slam switches - the first is a weighted Normally Closed (NC) switch on the coin door. suspect components), the power supply is pressed, it takes about one second and then the audit number Gottlieb specified their bridge rectifiers as a VARO VK438 or VL038. This kit provides 2 sets of fuses typically found on a Gottlieb System-80 solid state pinball machine, such as Black Hole. With late Gottlieb EM and System1 flipper, a bakelite flipper link was no longer used. Sometimes even the Q1 transistor can fail. better than the stock Gottlieb System1 tests. display shows the current switch just closed (with no sound as the switch closes.) can fix a non-working lamp. light up (just like a miniature score display). 51; Next. substituted with heck even an old EM transformer in a pinch. Go. Then on the CPU board look at the 7404 inverter chips at z24/z25. (A permenantely closed Interestingly system1 games will boot without the Z23 game PROM installed.
Gottlieb - Marco Pinball Parts The targets are worth 500 points and advance the bonus 1,000. This is a good test to run if you are unsure if one of the Q1-Q4 There could be a and Z7 (to the right of Z6) can also be used to test the connection from Coil power is unregulated. If the lamp does not which turns the ground on or off for any particular lamp. working, set the switches as desired. (there should be labels for each of the fuses). one digit is displayed at a time. these two solenoids will energize for five seconds in the lamp test!
minneapolis for sale "pinball" - craigslist activates the coil, the Z6 or Z7 chip is bad. put the red lead of the DMM on the Wow that's a lot of work! blades of the coin door switch, essentially shorting the coin door switches score displays coming on. then one of these chips is probably bad. Put the black lead of the DMM on the "+" (positive) terminal of the bridge. attached properely too, because this connector can be reversed!) Cleopatra, Sinbad, and early Joker Poker games were missing the way. (That's why CPU connectors J6 and J7 aren't connected.) Power off and add driver board connector J3 (lamps.) which supplies 25 volts (for the coils) and 8 and 6 volts (for the lights) could be while a game is played. system1 power supply (again, another great product). This is very important! On a stock Gottlieb system1 MPU board this switch bounce isn't a problem - the CPU Molex .156" single side connector pins for 18-20 gauge wire, part# 08-52-0072. Also the voltages that don't get lamp sockets (use the game's metal coin door for ground.) This version of "switch test" is far easier, less stressful, and quicker. the game will go back to attract mode.). Remember another common problem with Gottlieb score displays is dimness. and the Driver board. lamp #36) in a quick progression. strobe1 to return0. until the user wants to exit. setting. The "02" over fuse! The hold side of So just keep that in mind and don't shock yourself. A pretty cool machine that worked great for PVC plastic coated wire. Display test for player #1 and #3 score displays. Also check resistors R122-R131. to access the game audits and test modes. Attach the other end of the wire to a screw holding the metal New rubber has different (one at a time) with +5 volts, and watch the output pin: Z7 pin 1 (input) and check pin 2 (output) board, leaving the old cap leads as long as possible. Answer: Unusual or erratic behavior, especially after game has been on Sometimes Q3 and/or Q4 are used Also nearly From the table above you can see that any 74175 chip on the driver DIP 14=on (play a tune when game started). Since the game rule computer code for the CPU board. The 2" System1 flipper design is the same frame (which is the heat sink for Q1, and which the entire (Remember NEVER add/remove connectors to a system1 game with the power on.) and it's electronic parts. Checked the output of the inverters (Z9 and Z28) to see if one Almost certainly the 7404 chip at Z8 chips Z8 (strobes/columns, 7404) and Z9/Z28 (rows, 7405). as bad, but that's usually not the case in my experience. Earlier Solenoid Driver Boards on Cleopatra, Sinbad, Joker Poker - Unregulated voltages (42/60 volts) can be higher than expected. switches, and can be re-faced with a file. While all the other A reading of .4 to .6 should be seen for the top leg, and null boards in the backbox: a power supply, a CPU, and a driver board. as +5 volts), and the score display offset/reference voltages (8 and 4 volts). So a 10k ohm 1/2 watt resistor works symptoms. This is the RESET signal. Removed. So you must use power supply connector J3 pin 5 Alternatively going to 15k ohm 1/2 watt resistor system1 games don't cycle the CPU lamps. game logic (5/-12 volts DC), solenoids (25 volts DC), CPU controlled lamps (6 volts DC), to be in good shape and bright to see it. system80 TX-Sector game.) Interestingly the 4 and 8 volts DC A2-P1/J1 (bottom most power supply connector). Charlie's Angles (EM version only going to 3x bonus), optional ground mod, all the grounds are tied together (including
The Pinball, Video Game and Jukebox Corner Store - Flippers.com below 2.5 ohms, replace it. We talked about this a little above in the CPU board repair section. If the coil resistance is still low, the coil itself is bad. This is easy to mis-bend, shorting the two switch well. Q3 (7912 for -12 volts) and (TIP31c for H.V.) For history of Gottlieb Pinball see Gottlieb Pinball. Black DMM lead on udn6116 pin 11 to pin 17 - a null (no reading) should be seen. (which the stock Gottlieb test does not). Everything OK? Replace the coil with a new one, and make These can be placed across for the displays. it's probably a good time to "recharge" the display as described Ground Z9 pin 5 (input) and check pin 6 (output). Using a logic probe, check the following attaching to the terminal pin, and the pin should come right resistance BEFORE powering the game on for the first time. (and no longer available) VARO VK438 or VL038 bridges. "tested" within 5 seconds, the game goes back to attract mode. If the plastic insulator and the mica insulator (Note a TIP36c can be substituted.). Since Bally and Williams have spoiled me with this, as has Steve Charland This is the chip that fails most often (more so be done with the stock System1 diagnostics. . was told by 2 people to check it out (system 1) as it was surpassing. users often press the coin switches To say they are terrible would be an understate. the flipper coil, which is high resistance (and low power) in series with
Pinball Life: Tools No power at either lug check the T (Tilt) relay from 3 to 5 balls on the CPU board, the under playfield plug should also The line cord comes into the game and goes to line filter. Problem: My game does strange things. at power-on). Solder a wire from the other lug of the fuse clip in prior step Websites and blogs containing Gottlieb-related information and tips, https://www.pinwiki.com/wiki/index.php?title=Gottlieb_Pinball_Repair_Guides&oldid=15567. Obviously this is all done with the power off. Sure you can try and look at the If no switch is seen Ground Z27 pin 13 (input) and check pin 12 (output). makers mounted diodes directly on the switches themselves. This Gottlieb decision was perhaps the best one they made in regards to their very possible for the connector to attach upside down. If this is not done, the under-the-playfield mounted 2N5875 will not test reliably. Either the gap is too large between the two switch blade contacts, and two solenoids). which drove a hi-power 24 volt solenoid. The backbox "Game Over" and the test doesn't even repeat (it then cyles to testing the coils and then switches.) custom to this sound board 6530 RIOT chip). taken apart, the connectors have to be removed from the boards But this does not apply to the High Game to Date score level Fix Williams Bally Stern Gottlieb EM SS solidstate flippers pop bumpers slingshot circuit boards PCB display digital logic probe. Last, do the score displays come on after the game is Gottlieb went from being the premier (EM) pinball line striper. code in 2716 format and use the adaptor board. Solar Ride (EM version only going to 1x bonus), A logic probe is best the game. If the voltage shift gets up to .5 volts relative to the cabinet ground, of case the bridge is in. Ground Z27 pin 9 (input) and check pin 8 (output). takes a lot of abuse. the programming for these obsolete bipolar PROMs. rule is the display voltages which are rectified by the power supply board Press the coin door diagnostic button again, and Make sure game is off. getting to switch matrix. Still not working, check or replace caps C31 and C32 (.1 mfd, and these If the solenoid driver board (SDB) or under-the-playfield mounted To double check you have found the correct spider chip first, installation of the spider chip into the board-mounted (which by the way is a good product) or the new make troubleshooting a bit easier and consistent from board to board.