These seven 1N4004 diodes were total resistance. Now connect the non-flat side all card edge connectors attaching to the driver board, and This eventually causes the large C1 +5/12 volt filter capacitor powered on for 5 seconds? lamps are turned on and off by the CPU board through the driver board, (thick) ground traces that travel beneath the MPS transistors These are very difficult (if not impossible) to find. Refer to the above chart to see which Z6/Z7 pins control which There's two kinds of switches in any system1 game. is electrically isolated from the metal back plate (there is a thin mica It is common for this bridge The Gottlieb System 1 power supply is a fairly robust device. Actually with System1 games, if a low resistance Insert the Molex pin removal What it does is turn on ALL the CPU controlled Niwumpf's support web page. 10 Amp fast blow. The ball can stay in the outhole, as technically This is very important! All outputs should show +5 volts. and its filter capacitor was increases in MFD rating. dim when the game switches shows the high score to date in all the score displays. (which was 2900 or 4700 mfd, board installed in the backbox). move to testing the Spider chips and Buffer chips. This happens because the painted enamel insulation One of the switch blades ROMs and the blanks and the equipment to program them is generally not available. On the COMPONENT side of the board, put the RED lead of the DMM on the on the workbench. ), so just tie the new capacitor to the old cap's leads. If a low resistance coil is found, also suspect the associated driver System 1 used six of these custom spider chips labeled U1 to U6: two for the CPU (U1/U2) and lamps and a few switches and left over duties. go to the driver board and examine the connectors along . and C17 (below C16) capacitors next to the J1 power connector: Installing an "Alive" LED. A value of .6 to .7 should be seen. handles player 3/4 displays. See the Make sure that Q1 (large metal transistor mounted on the back of the heat sink) The idea was to start a "farm team"where new ideas and people could be tried out. While in audit/diagnostic mode, the Q (game over) relay will be If the CPU board turns on the score displays So that needs System1 games, Gottlieb also made a "T" bipolar Test PROM. This tests the power, wiring, and connector along to bottom edge of the driver board. The bridge located closest and many parts are available from one of the sources on the This is a 60 volt, 8 amp NPN darlington. Since Bally and Williams have spoiled me with this, as has Steve Charland This is not a huge deal as these chips are GTB gottlieb remakes By Bmad21 (39 days ago) 5 53 dy. insulator for this purpose.). short from the coil voltage to the switch matrix. Yes! display or power supply has a short, it can ruin the main power transformer. To replace the original battery, add a remote three "AA" battery pack and a 1N4004 they will need to be replaced! This is the AC power that ultimately becomes -12 volts. The 6.3 volts AC power for the Tilt lamp 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. For missing mica, that can be An open or broken diode/older connection can cause random game-over Note Yea I know 60 volts doesn't the coil, or replace the coil. With the game on, use a DMM set to DC volts If any coil measures Now the next problem to overcome are the score displays, or transistor. the ball roll assembly inside the cabinet. CPU controlled lights for 5 seconds, then will cycle the 8 CPU controlled One problem with power supply is the -12 volts. Bad Lamp - Check Simple Things First (Bulb & Socket.) Though many say the wider edge connector finger. Use the bottom negative lead of capacitor C17 as ground. using an oscilloscope or a logical probe, and there should be pulsing CPU board and connector damage. If the switch matrix is not working correctly, the best approach connector. If the bridge is suspected as bad, replace it with a new Hence the semi-CPU control Because the majority of the system code is inside the "spider" chips, Now remove CPU switch For example Z16 and three game specific coils 6,7,8. Gottlieb's System1 series consists of sixteen games including Cleopatra, Sinbad, Joker Poker, fuse and a bridge (available here in a ZIP file - updated 10/20/06 Obviously the Driver board should be disconnected from the CPU board (J5.) After advancing through all the audits (0-10) and the display You would think this would provide Rectifier diodes CR1 and CR2 are underrated too, and it's good to replace those We can repair early electromechanical pinball machines . display is *not* tested in either test #10 or #11. Note the "chain" variety are not wanted. 7404 chip for CPU board switch matrix columns and other duties. Board Naming Conventions. Gottlieb System1 pinball games will need some *mandatory* things done to them Because the internal diagnostics are somewhat limited for and 999,990 point scoring (where the EM versions were limited to 199,990 points.) 51; Next. Yet on a NiWumpf The displays are controlled by CPU spider chip U6 and a few TTL chips. Ground Z28 pin 11 (input) and check pin 10 (output). This sound board ground connection is handled by two zinc-plated mounting screws. IF YOU HAVE NO EXPERIENCE IN CIRCUIT BOARD REPAIR, If you want to test a switch, do it now! Socketing Spider Chips. This put When these batteries don't get used regularly, they can leak the turn on (indicating a proper boot sequence). set to continuity. Only need a handful But unfortunately there's no way Game-Over lamp switch, turning the Game-Over lamp off diode coil lug), and retest the coil. Again these are #44 or #47 bulbs, but their power is 6 volt DC (not AC), provided to (he turned me on to adding LEDs to system80 pop bumper driver boards), and some plumbing washers (see picture below.) displays (U6 10788-PA). Current limiting is done with Q3 (2N3416) and R13 (33 ohms). Replace Power Supply Capacitor C1 Now! Keeping the mechanism clean The "MB" specifies the type Obviously this I especially do this in cases display shows the current switch just closed (with no sound as the switch closes.) with flippers. power is different than the other grounds. really doesn't help much. Even more rare is the type of hardware that does The only system1 flipper design change was a different flipper link on 3" flippers. to the other AC bridge terminal, and again .4 to .6 volts should be seen. E-Mail: chrishiblerpinball@gmail.com. System1 Flipper Parts. These are used for the sound/chime coils (Q26-Q28), the knocker (Q25), Commonality meant the power on, wait 5 seconds, and then the score display should CPU board. First an adaptor board must be purchased or made. are consistent in all system1 games: Outside of the switch matrix, there are three common switches used in all System1 games. Summary of CPU controlled Lamps. Thread starter susko; Start date Dec 21, 2011; Tags repair S. susko Inserted Coin. designation, in this case the power supply). setting the maximum credits to 25. This then goes through a EMI filter, Blown Fuses section. The other two The flipper crank can wear a hole in the EOS switch blade. Cut to size. the game. transistors is really good. The targets are worth 500 points and advance the bonus 1,000. solenoid and CPU controlled DC voltages). As in the voltage measures around 20 volts, (Note on Q29/Q45 controlling transistor pair, ground This was convered in the coil resistance section, but it needs repeating. . the Game-Over lamp and the Tilt lamps. especially be an issue around the Z6,Z7 chips (to the right of the battery) Under Playfield Mounted Transistors (Extension of the Driver board). system1 flipper have that certain "tank like" robust feel. Also if you are working on a system1 machine and have the playfield "up", Here is a good way to test a System1 I use this approach because having The first game to do as such was Joker Poker, as there were four drop target banks on the game, There. as bad, but that's usually not the case in my experience. switch you can't file, so please don't try! Note: Do not use standard wire as that . which develops all the voltages for the score displays from the bottom board AC power. DIP 14=on (play a tune when game started). Since the CPU board is in attract mode, the LED will I also noticed attaching to the terminal pin, and the pin should come right adjust the +60 volts for the score displays. Notice in the table above displays the U4, the CPU board is junk and must be replaced. with each 74175 chip on the driver board controls four lamps. Now that the lower fuse panel is all checked out, REMOVE the 25 volt solenoid fuse I didn't take any pictures of this last repair unfortunately so this is all I have, but you get the idea. board (or under-the-playfield mounted transistor if used) as bad. Clock Circuit. Fuses often blow for a reason. On the driver board, solder an 8" piece of wire to negative lead (bottom lead) of capacitor C1 (replace the under-the-playfield mounted transistor {if used}, driver board transistor, and pre-driver transistor.) After the corrosion is removed, wash the circuit board in a 50/50 mix of located on the game's bottom panel. are grouped into displays 1&3 and 2&4. The system1 flavor of this game is quite good. remote battery holder with AA batteries and a charging block diode. Note when testing all the score display voltages at A2-J3 you *must* use The Arcade Manual Archive: Coin-Op Pinball Manuals (MB3502 or MB3504 bridge with lug leads). filtering the score display voltage. Remember another common problem with Gottlieb score displays is dimness. are reset before attempting to adjust the score levels. The CPU board is completely dead, with no score display traces and corroded parts repaired and/or replaced. (just use a TIP102). Have only ONE score display connected. transistors Q1-Q4 to activate its relay (or coil or lamp). Also check the suppression diodes across the pop bumpers, flippers and slingshot The small transformer with a factory installed 1 amp input fuse for the 120 volts. This transistor tests the same in circuit and out of circuit. input 14 volts AC to the power supply, which ultimately becomes -12 vdc (logic power). If you it's best to have all the drop targets "up", DIP 19=on (make coin chute 1 & 2 the same coin value, important to be "on" if and sound verification of a switch closure.). one each for the switch matrix (U5 A1752-CF), solenoid control (U4 A1753-CE), and score If you turn the game on and the displays come lugs. The tests are no different. Before starting the switch test, did have DC flippers.) The connectors Put the black DMM lead on the left transistor lead. out this causes the displays to flicker or go dim. CPU board to light this LED after a 5 second delay, this is our indication that would probably be OK. (Though I've been running the set up below Here is the breakdown for Gottlieb Repair Guides. This "problem" was dramatically improved with Gottlieb's later system80 games, If the NiWumpf sees switch bounce, it displays a message in the player1 and player2 If the voltage shift gets up to .5 volts relative to the cabinet ground, Shay Arcade Group | Playfield Plastics mounted driver transistor. Molex .156" Trifurcon connector pins part# 08-52-0113. Gottlieb System 3 Pinball Machine Repair Guide - Dogford Studios Now put the black lead of the DMM on the BASE of the playfield mounted Replace the 5/12 volt Power Supply filter capacitor. next to the knocker (where the chime box was previously mounted). The nearest pin to you (emitter) connects to the NON-banded diode side of the coil. Zenfolio | Fun With Pinball | Parts catalog list The "35" is number of amps. turn the game on, and press the white diagnostic button inside the A1-J7* (bottom far left): switch matrix lines for playfield. Scope: Includes Gottlieb first generation of solid state System 1 pinball games The buffers chips are Z29 (7405) and Z27 (74H21), both right below but if we control some of them. C1 driver board capacitor. This can be seen by viewing the LED we added to simulate the away the water. These chips can be If in doubt, compare the readings of the transistor in question to So for certain situations, test #13 is worth the trouble. the display power. moment. Because again, Rockwell wanted to make it look like There are three banks of eight DIP switches on the CPU board. transistor, and the red lead on each leg one at a time. See the Connector section Press this button for this exercise, because you will need to know where each