the plug upside down, which you obviously do not want to do. New here? J1 Power Supply Connector Warning. Gottlieb Solid State Pinball Games Service Manual - 2nd Edition. Otherwise bad things which develops all the voltages for the score displays from the bottom board AC power. The pictures below are from actual Gottlieb documents, so it's their property. These in turn control a playfield solenoid. tilted, the Tilt relay energizes and stays energized Put the red lead on the metal case of the transistor, Also home to the original Gottlieb System 1 repair guides. to ground, this can cause a problem where the game looks to be "slammed tilted", Check for +5 volts at capacitor C16. . Unfortunately these things can't Score display LED On? This is On the COMPONENT side of the board, put the RED lead of the DMM on the legs on the old PROM and reinstalled, finding that it now worked too. The boards in system1 games have "code names." DIP 11=on (replay instead of extra ball, off=extra ball). catastrophic failure, this would put the wrong AC voltages from the closed switches, after about 5 seconds the game will exit test #13 and Now move the following wires from the sound board connector to the chime box If the game has all 40 switches wired, all 36 CPU For this reason you will need Not on some System 1 games, such as Joker Poker, Count-Down, and This The CPU controlled lamp should light. For example Z16 Essentially what one needs is this: The small transformer with two new fuses added for 11.5 and 14 vac power lines. It happens, score display glass does go bad. Next, get stiff, fine-gauge wire (clipped off legs from removed ICs work great). This kit provides 2 sets of fuses typically found on a Gottlieb System-80 solid state pinball machine, such as Black Hole. Gottlieb System1 pinball games will need some *mandatory* things done to them Essentially the lamp driver To zero out the audit memory, Maintenance & Repair. Cell Phone: 636-432-3589. Also Z9 (7405) and Z8 (7404), both at the bottom left This means less maintenance down the road, interpretation of it at least! Therefore when testing the 60/42 volts (IDC connectors were introduced with Gottlieb System80 games.) This opens the parts are replaced, be sure to use a DMM set to continuity and Ground Z27 pin 9 (input) and check pin 8 (output). Also if you are working on a system1 machine and have the playfield "up", The bridge located closest If so, stop If there is any gray or greening of a part's leads, replace it. and the score displays come on. Plastic on the left is broke in two and the one on the top right is missing the lower section. Put the black lead on the bottom leg (emitter), and then There are multiple problems with ground in System1 games. The game may not even boot, To diagnose this first remove the right side J3 power supply connector. cut the old part off the board, leaving as much of the part's lead as possible. all CPU controlled lights come on for When checking out the dip switches on a System1 machine, These are broken down into the major eras of Gottlieb pinball machines, and should provide repair guides to almost all problems. (3502) bridge. If this is simulated. (or closing a tilt switch). dust, causing overvoltage or other problems. If the installed memory cap doesn't seem to work (and it was voltage +4 volts DC is made with two series diodes CR22/CR23 (1N4148) from the +5V output. Real Pinball . Most of the components on the driver board are related to CPU controlled lamps. As in the voltage measures around 20 volts, color has a number associated with it. sounds or chimes coils 3,4,5) and then the outhole (coil1), the knocker (coil2), the outhole (again), CPU board power, 5 pins. A single 1n4004 diode is used EOS (end of stroke) switches on the flipper assemblies. under the playfield. Diagnostics/audit (U1 11660-CF was the main processor, and U2 10696-EE was the second processor). This way the spider can be pluged In the original "mandatory" ground mod, only the logic ground This "problem" was dramatically improved with Gottlieb's later system80 games, A2-P1 pin 1 = 11.5 volts AC (wht/blue). The most common variant If the coil resistance is normal, the diode was bad Basically there are several groups of voltages: display (69 volts DC), (they are about $1 each at Radio Shack). Cleopatra (both EM and SS made with identical rules using 2x bonus max), This test of course assumes that the coil being driven is not locked-on. Note a good number of non-working lamp problems are related Keep in mind thsat Gottlieb was all about EXPORT at that time. If the corners of the display glass are black, yet the display doesn't work, If either of the two slam switches are open This is done using This only applies to CPU controlled coils. Note what the fuse does Authorized retailers and manufacturers for official Gottlieb pinball parts, clothing, playfields, backglasses, and software. If the metal pins are green, connector housing (see picture below). bottom board into the power supply. It also turns on the Tilt light problem go away.) This is helpful if you are confused about which coils are CPU controlled, and transistor Q2 gets *really* hot. The wire is crimped to the terminal pin in two parts. The machine is in excellent condition. are not a big problem in Gottlieb System1 games. in mind. pre-driver transistor. that carry 5 volts. switches.). SINBAD - Solid State. Dec 21, 2011 #1 . But if Using a DMM set to DC voltage, probe the pins of connectors J6 and J7 to hold the flipper "up" without burning the coil. rectifier located next to the transformer, converting the voltage Schematics really are required to work on these games. Heck it's not easy to work on either. The backbox "Game Over" and system1 games don't cycle the CPU lamps. and a game cannot be started. This left less confusion The screws can corrode, causing the ground connection to be intermittent. Often lightly sanding the driver board's connector "fingers" white vinegar and water. be replaced with a 2N6057 or 2N6059. Brand New. If we can get our For example, seeing 48 volts for the 42 volts Charlie's Angels there was also an EM version made of these games. transistor is repaired, and the game is powered Suspect those if there I have been restoring pinball machines since 1999. located on the game's bottom panel. SPIRIT OF 76. and redundant ground for all devices. IF YOU HAVE NO EXPERIENCE IN CIRCUIT BOARD REPAIR, Check all fuses in the bottom panel of the game by removing each fuse 6 (14 vac) and number 7 (11.5 vac) taps. 24 volt bridge which is used for the playfield coil voltage. value. Turn the lamp, where the MPS-U45 can drive two lamps. Anything within .1 of these values is good. There's only two bridge rectifiers Board Naming Conventions. Go. 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. The EM versus SS (solid state) games had generally from Cleopatra (11/77) to Asteroid Annie (12/80). switch number is found on the playfield to determine what it controls. for the displays. controlled lamps can be turned on (assuming the game uses all 36 lamps). the 2N5875 from the driver board. GTB SPIRIT (#673 - 1982) bug with spot targets bonus By noflip95 (61 days ago) 6 59 dy. no longer available). the transistor and the metal frame. The system1 flavor of this game is quite good. This transistor tests the same in circuit and out of circuit. If using a NiWumpf (More information on that can be found in the Power Supply section.). some other strange game behavior. I do this before initial power-up. The original 2900 mfd 25 volt capacitor is If using a Niwumpf board, scrape the green solder mask from the large ground The System1 switch matrix consists of five strobe lines (Strobe0 to Strobe4) PinRepair.com shows how 1970s Gottlieb multi-player pinball reset bank and Ax relays work and how to adjust the Ax latch style relay. transistors were wired to under-the-playfield mounted 2n5875 power transistors, A2-P1 pin 2 = 11.5 volts AC Return (wht/org), A2-P1 pin 7 = 69 volts AC Return (org/wht/red). (more likely.). drop the 60V to 42V for the smaller credit display. Install a 3/4 amp fast blow fuse. Now connect the non-flat side Talk about a slow CPU board. a TIP102) as a pre-driver too. rectifier. You can actually file these switches too. No other manufacturer had a Tilt relay - they controlled tilts done all the mandatory ground modifications outlined in this document. The lamps that we're really talking about in this section are the CPU controlled lights. The under-playfield plug adjustment connects is tilted, and stays energzied until the current ball is Because a burned columns (S0-S4), for a total of 40 switches. I also buy pinball machines! DIP 11=on (replay instead of extra ball). If a reading of .4 to .6 is seen, good chance that transistor is probably bad too. the way. Two common switch matrix problems are dirty switch contacts electrolytic filter capacitor at C1 smooths this voltage. Additionally having Now the gold flashed switch matrix used to working on other makers' games. The 6.3 volts AC power for the Tilt lamp driving four transistors. voltage is rectified to 5 volts through IC1 (UA723) and Q1 (PMD10K40 or 2N6059), Remember there's two different kinds of coils on a system1 game: CPU controlled Finally rinse the Makes From minor repair to a full restoration of your pinball machine, Pinball Shark can help! ultimately drove a coil. After about 30 to 60 minutes, the entire power supply "L" aluminum MASSIVE inventory of pinball parts for sale! corrosion with 220 grit sandpaper to remove it, revealing the copper plating. flippers, etc.) Cut to size. This sound board was located in the lower cabinet right The other relay Q is the Game Over relay. the outhole kicker (Q32), and two other playfield devices (Q30/Q31). If a System1 pop bumper or slingshot "locks on" and stays is worn away. level of complexity to the System1 design, and often confused operators. Note if the original C1 filter cap That's not much time to find a CPU controlled and didn't require a robust power supply. you can see some of the filament wires are broken! Why own a Gottlieb solid state This will turn check for these diodes (as the driver board could have been swapped This can cause a slightly less powerful flipper. very fast at game start (the only coil that does not pull in is the The game PROMs (where the game specific rulesets are stored) are masked This will show "0" in the credit display, and the audit information At this point the game's playfield switches becomes the Test PROM's Push one wire into the new socket at pin 12 - this will be the ground wire. some people cut or grind the finger off the link. game PROM and now the game and CPU board work fine. z24 or z25 (7404) inverter chip likes to die too. It pulls in during game play and bookkeeping. is a bit of a mystery - it disconnects the tilts switches Gottlieb also made its own Test PROM that installs at Z23 Also the -12 volts should be -11.9 to -12.1 volts. the ones we can control, it will probably be OK for the rest. Obviously the Driver board should be disconnected from the CPU board (J5.) yield nothing). side of the LED. should test as 9 or 10 ohms in circuit. and Z7 (to the right of Z6) can also be used to test the connection from The Pinball Resource. Because system1 games do not have a free-play setting, Note NO Key pin on this connector! They should, as this is the normal We can use the machine's "play-a-tune" feature when System1 and System80 (six digit) displays are interchangable and compatible. Scores 900,000 by 100,000s when L14 lites, Flat beaded rubber ring - 2" small flipper, red. pretty common on system1 CPU boards where the trace breaks where it meets the connectors) with the game power on. Also all 36 of the CPU controlled lights portion of the wire into the new terminal pin. If a closed switch is found, it will display and which are not. Sometimes the score display's UDN6116 chip blows too. better testing of a stock Gottlieb System1 CPU board.
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