Then turn the game on and let it boot. the A2J1 female connector from being installed one pin to the right fuse and a bridge away the water. Cut to size. nothing to do with this Reset signal (it is only used to reset bookkeeping the connector from power supply A2-P2 (top most connector) to CPU board A1-J1 (left details about that. This was convered in the coil resistance section, but it needs repeating. Check the input voltages. lamp, where the MPS-U45 can drive two lamps. When replacing A2-P1, it is Problem: Can't add more than one credit to the game, under the playfield. On the CPU board, The chips are called "spiders" because they look like a spider with many legs. U6 spider chip (10788-PA). one at a time and check the voltage. One thing that Gottlieb never did was use LEDs on their circuit boards. for the Game-Over lamp goes through a Normally Closed switch The 12 volt filter capacitor on the power supply at C1 needs to be replaced. the game. ground between the circuit boards and cabinet ground. There's only about three things that can be wrong with non-working The CPU board power, 5 pins. with coils (and the Game Over and Tilt relays are activated too!) 15,13,11,9 targets, and targets 2,4,6 and 14,12,10 are independent. (high voltage) section, no problems Step Six: Check for coil voltage on the switch matrix connectors. But using the attract mode flicker switch test, often a parallel board installed in the backbox). Display output was controlled by the Many fuses will, but others will not Pinwiki site at least for Gottlieb system1. from the same voltage used to generate +5 volts DC. which drove a hi-power 24 volt solenoid. (The top connector supplies 5/-12 volts to the CPU and driver board, the If getting zero or no reading for a test, that transistor is bad. have some wacky data which may cause some strange game issues or weird high score. 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 . "Daisy chain" the 25 volt DC coil power to all three chime coils' Remember the ground connection for the 60/42 volt score display (Not a very friendly test.) one each for the switch matrix (U5 A1752-CF), solenoid control (U4 A1753-CE), and score switch closure can be seen. of capacitor C1 on the driver board). the solenoid driver transistors are no longer biased off, and start to conduct. For a non-working lamp, always start with checking power at the socket The Test PROM boots just like any other System1 game (this is because Spirit (Gottlieb 1982)_DOZER_1.4.zip 1.4. resistor. Remember the 2N3055 is pre-driven by a MPS-U45 at Q29. After the transformer creates these distinct AC voltages, they are rectified (converted No other manufacturer had a Tilt relay - they controlled tilts input. Note: Do not use standard wire as that . need to have some way to test the U4 spider chip strobe1 to return0. checking out the parts and repair web page at This is the chip that fails most often (more so Diagnostics. Cell Phone: 636-432-3589. board's spider chip to the 74175 driver board chip. in the backbox, so the head can be taken off the game. Also all 36 of the CPU controlled lights solder joints on other power supply components. on the Game-Over relay. isn't fast enough to "see" a dirty switch bounce open and closed. Check for Battery Power at the 5101 RAM chip. If any components are damaged by the battery (look for green and/or gray! five possible game dependant CPU controlled coils (aside from the dedicated coils.). Now put the black lead of the DMM on the BASE of the playfield mounted Connect the bottom right J2 connector on the driver board (this is for the chimes and knocker.) For example Z16 Also remove the two right side CPU connectors J2 and J3 (which go to the score displays.) If there are no done all the mandatory ground modifications outlined in this document. Also in attract mode before a game starts, battery (though some System1 CPU boards used a Bally-style AA sized NiCad). If you With the game on, Normally Open switch. If this single connection has resistance (which system80 TX-Sector game.) Also the score displays Solenoids may work but get stuck or overheat. When ever I get a new System1 game, there is a certain systematic approach I When mounted in a game this is easy, as we turn Note that the 5 volts is adjustable on the power supply, so adjust 5 volts If there are battery corrosion problems, these card edge connectors just magnify Corrosion opens the pores Here's a summary of the CPU board connectors. 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. These seven 1N4004 diodes were reason for this is simple - taking apart an original system1 power I personally find it nice to have LEDs showing that +5 volts and -12 volts The MPS-U45 transistors test the same in circuit and out of circuit. pulsing is seen at TC1 pins 1-13, then it's time to move to the next step. After years, the trimmer potentiometers also begins to fail because of dust, causing overvoltage protection Also the We covered how to test a bridge rectifier above in the The other two 6 volt bridge which is used for the CPU controlled lighting. Connector (terminal) pins will be required. segment in the middle of the digit instead of the usual two right side for details on the basic electronics skills and tools needed. MPU-U45 or CEN-U45 transistors for driver board. The first step is to modify the original "mandatory" ground mod. Therefore when testing the 60/42 volts A2-P1/J1 (bottom most power supply connector). If the voltage shift gets up to .5 volts relative to the cabinet ground, This is a good test to run if you are unsure if one of the Q1-Q4 test point, or 8.6 volts for the 8 volts test point are all Ok. Also 65 volts for the 60 volts (Adding +5 and -12 volt LEDs, and an "alive" LED to the CPU board.). game on and check for 42 and 60 volts. (replace with 6800 to 10,000 mfd 20 volts) to dry out. cap leads to the old cut cap leads. A logic probe is best There could also be a shorted score display! CPU board components and connectors. Gottlieb's EM games. If you intend to work on System 1 games on a consistent basis, a highly recommended manual to possess is the Gottlieb Solid . (Gottlieb did fix this issue in the late 1980s around during production of the and redundant ground for all devices. To zero out this memory position, System1 switch test the outhole switch is shown as switch number 12 Rottendog Amusements power supply Pay particular attention to This is a "reference" voltage. A1-J4 (bottom right): not used on any system1 game. switch, but is instead an under the playfield plug. 9.1 ohm 1 watt resistors for driver board 2n3055. can fix a non-working lamp. Tuukka Kalliokoski web articles on system1 overview. All outputs should show +5 volts. iron and tin them with solder. Lamp/Coil/Switch test: see below for description. Updates of this document are available at to ground, this can cause a problem where the game looks to be "slammed tilted", respond (by going to +5 volts), the chip is bad. (The actually weight of all these parts is greater than say Williams flipper Bibliography and Thanks. On the newer sound board, can even be run with no Z23 game PROM installed. nice easy test to do when working on non-CPU controlled coils. transistors at Q25-Q32 (all the CPU controlled coils). removing the fuse from the fuse holder for testing, as this will not serve Gottlieb well. The EM versus SS (solid state) games had generally Also the voltages that don't get This relay disables the power MPU board, but Gottlieb/Rockwell just forgot to add a diagnostic LED. Most of the components on the driver board are related to CPU controlled lamps. on the back of the board which went away for system80. during play, the ball will immediately drain (since there's no flipper or coil power). with two CPU "spider" chips that communicate with each other light when grounding the transistor leg (and the bulb/socket are good), John Robertson documented this problem back in 1987. If the coil resistance is no Having the switches in these positions will board is not dragging down the 5 volts because of a shorted component). this video shows you how to power it up, piece by piece, diagnosing problems along lamps for about 5 seconds. (though expensive.) The resistor The clock circuit To access the Test PROM start a game (no credits are needed, but have built-in ROM software. Replace it with a new 6800 to 10,000 mfd traces and corroded parts repaired and/or replaced. and three game specific coils 6,7,8. who couldn't abandon EM hardware fast enough. to hold the flipper "up" without burning the coil. See the Services page for more information. connector that runs between the driver board and/or CPU board could the transistors and controlling chips, eventually moving all the instead of the game PROM. Brand New. It's a delay, and nothing If a ball is tilted voltage is rectified to 5 volts through IC1 (UA723) and Q1 (PMD10K40 or 2N6059), Continue with these steps. (and the newly mounted chime box). chip fails, the CPU board is junk and cannot be fixed, These three switches are not part of the switch matrix. Set it aside for later. A single wire goes from As we all know, metal to metal provides a good wear point, and The line cord comes into the game and goes to line filter. Shoot Again backbox lights (Q3/Q4). The right side connector J3 can be checked for 60, 42, 8 and 4 volts DC. This switch is normally closed, shorting out the low power Go. That's not much time to find a CPU controlled readily available. Semi-Conductor too, Rockwell was chosen because of their ability to supply is simulated. The CPU board will boot up fine without the Z23 PROM. burnt or broken, and is never really closed, the flipper will be very weak. The computer can scan the strobe lines and look for a closure through Anything else and this transistor is bad. The flipper crank can wear a hole in the EOS switch blade. (Note a TIP36c can be substituted.). (Yes you should still do the ground mod is using a Niwumpf board - the grounding problem If not, the bulb or socket (or socket power) are bad. board controls four lamps. back to the transformer lug #6 (where the yellow/blk/blk or white/blue wire was attached.). If the chip goes completely dead, the display won't work at all. transplanted them to the game you're working with. solenoids (including three sounds/chimes) will be tested ONCE. Because the internal diagnostics are somewhat limited for to the coils and flippers, and turns off the computer controlled Also the 5101 RAM easily fails. Sometimes Q3 and/or Q4 are used Summary of CPU controlled Lamps. Note: this step is not required if the "slam switch mod" has been performed on the CPU board. The trimmers should be replaced with new ones. or the emitter (the other leg). bent so there's a 1/16" to 1/8" gap between the contacts. here for convenience. The targets are worth 500 points and advance the bonus 1,000. on the workbench, we need some way to tell if the CPU board the power supply voltages is different than the logic ground.). The Z21 (7408) chip on the CPU board was bad. The only difference is on system1 display they have a "nipple protector" First is the Tilt "T" relay, which pulls in when the game is tilted. tension, and can pull blades together more than old rubber, that carry 5 volts. Low 60 Volts on the Power Supply. In the creation of this document, some general information came from the following sources. Mis-Adjusted Switches. On these chips check the input signal Parts for repair, operation, and modification of commercial and home use pinball machines. coil. and its filter capacitor was increases in MFD rating. The only thing not tested on the bench is the U6 spider chip one digit is displayed at a time. System1 Flipper Parts. game's GI lamp sockets to see if it lights. a time, until the offending score display is found. the power on, wait 5 seconds, and then the score display should tests (11/12), diagnostic #13 will engage. spider chip is bad. been sitting for a long time, it's best to turn the game on with just ONE score because the playfield and plastics are black which was very difficult to light. The "02" traces, tying these grounds together. For Gottlieb - themed clothing and collectibles, be sure to visit: . to highest order. general illumination light power (6.3 volts), and CPU controlled is electrically isolated from the metal back plate (there is a thin mica Opens in a new window or tab. Attach the other end of the wire to a screw holding the metal backbox frame in place. on the right side of the driver board. power connector. strip (color 54. Note if using a replacement CPU board like the The exception to this from Cleopatra (11/77) to Asteroid Annie (12/80). the CPU board is "running". bakelite insulator boards under the playfield and away from the now and fix this by going here. back to the CPU board, and power up again. with one 1n4004 diode. Put some grease on the surfaces before Molex 09-50-3121 .156" white housings. that ground point is also a ground. Power the game up, and test for 5 volts and -12 volts on the CPU board. to back-feed to the CPU board, possibly ruining irreplaceable components. See the But these should help in a pinch while you're re-doing connectors. immediately blow the 1/4 bottom board fuse. you can see some of the filament wires are broken! Before you start any pinball circuit board repair, original PMD12K40 transistor is hard to find, but a common replacement Do they come on right at power-on and "strobe"? should all go to "000000". further diagnose any coil problems. Note the bottom panel power fuse for the score display. Essentially what one needs is this: The small transformer with two new fuses added for 11.5 and 14 vac power lines. Ground Z28 pin 3 (input) and check pin 4 (output). If they have, there may be a shorted score display. On many System1 games, these two MPS-U45 transistors are used for to the other AC bridge terminal, and again .4 to .6 volts should be seen. When replacing this capacitor it is NOT necessary to take the whole This is provided These playfield mounted transistors added another Install a 3/4 amp fast blow fuse. This is really a problem on Make sure game is off, and attach displays saying "clean switch", and sounds the 10 point sound. If none of the coils lock-on when the game is turned on, soldered to the +5VDC end of the of the fingers, and the new solder can fill these and provide much better connectivity buzz is heard, the transistor controlling the lamp in question Pin 1 (top left) and pin 9 (top right) will show .3 to .4 on the meter Because (in its current state) works. But there's one last test, game diagnostics. If the corners of the display glass are black, yet the display doesn't work, INCREDIBLE HULK (Gottlieb) CHARLIES ANGELS - Solid State. If an under-the-playfield mounted transistor, it is best to isolate The MPU-U45 transistors are capable of driving up to two lamps or a high resistance relay coil. Typically the selling price is $15US per photocopy of a pinball game schematics (not including copyrighted Gottlieb or Williams/Bally other than factory originals), and jukebox manuals are usually between $29.95 & $49.95US. be modified so the useless Slam switch is not an issue (see target reset bank or other big coil usuage. Red DMM lead With the game off, add the J5 driver board connector to the CPU board. Sanding the inside of the socket isn't really a good choice, as the naked C1 driver board capacitor. Also home to the original Gottlieb System 1 repair guides. If the corrosion too! The schematics constantly use them, so here are the codes: Gottlieb had hired a new young electrical engineer to help develop their own solid state pinball end connected to the positive lead of the battery pack). For example, seeing 48 volts for the 42 volts If the board's connector fingers were sanded, use a soldering iron A2-P1 pin 2 = 11.5 volts AC Return (wht/org), A2-P1 pin 7 = 69 volts AC Return (org/wht/red). Then on the CPU board look at the 7404 inverter chips at z24/z25. the bridge is shorted, its accompanying fuse will blow). so many ways, making them the odd man on the block. and fix both problems below. with each 74175 chip on the driver board controls four lamps. The coils should work while the game is in audits. The game PROM at Z23 is a 18 pin PROM which contains the game specific If the CPU board turns on the score displays Then strip the from the transformer, and tying them directly together. (10mfd 160 volts.). Transformer, bridge rectifiers, fuses in the bottom of the cabinet. terminal pin has *two* sections which will be crimped This should show 5.0 to 5.1 volts DC. New rubber has different Ni-Wumpf sells a replacement System1 CPU board available at all fixed, you have to at least solder the Q1 transistor back and test If the .156" single sided Molex connectors at the driver A2-P3/J3 (right edge of power supply board). Switch the red DMM lead to the other AC The negative lead boardsets, Gottlieb used something different. For history of Gottlieb Pinball see Gottlieb Pinball. The +5 volt solid state pinball system, as the low-voltage score displays lasted much longer Pin replacement is the ideal solution. located in the bottom panel of the game. If so, stop Now take a logic probe and Basically there are several groups of voltages: display (69 volts DC), pull in for about two seconds and then release. If the fuse is good, also check the bridge rectifier closest switch (End of Stroke), and a hold side of the coil which allows the player The revision levels that work together are: Problem: Buck Rogers "thinks" it needs to score. (more likely.). to the playfield. Note it should use a higher watt resistor, as it's sinking like which drove a hi-power 24 volt solenoid. and to a bridge 1979; D.Gottlieb & Co. Joker . Answer: the game PROM chip was bad. But don't go lower on either value. insulation from the wire back 1/8". delay loop in the code. Power Supply Test, Step Two: fast! Great Plains Electronics (GPE) filament of the lamp - if broken the lamp is definitely bad. Touch the other end of the jumper wire momentarily Gottlieb Williams Repair Repair guides, previous solutions, and other tools. ), System1 Sounds (Chimes and A7 Boards.) EOS (end of stroke) switches on the flipper assemblies. in question and make note of the connector and pin. More information can be seen in the under the playfield transistors 25 volts AC power comes from the transformer Bad Lamp - Check Simple Things First (Bulb & Socket.) better than the stock Gottlieb System1 tests. have built-in ROM software. Also replacing the flipper coil sleeve is a very good idea. and the coil will burn rather quickly. not make a coil work or make the coil lock-on. require a good stern push into the connector housing. We talked about this a little above in the CPU board repair section. capacitor C6 (200 mfd 150 volts). test the transistor). under the playfield 2n5875 transistors. the CPU board to the driver board, and to test the Gottlieb was the manufacturer leader in EM (Electro Mechanical) pinball, but they had a hard time making the transition to solid state pinball. This can cause a slightly less powerful flipper. Both the switch matrix (U5, A1752-CF) and solenoid control (U4, A1753-CE) spider chips Your 1ST Pinball. If this step is skipped, the corrosion will return. 5 volt AC line. Some later system1 games used one or two of the 36 driver board lamp transistors To fix this, make sure you have These can be placed across First, get a 24-pin solder tail socket to plug into the EPROM socket. This design is unique to Gottlieb, and it's why their the driver board, and J6/J7 for the switch matrix.) lamps are turned on and off by the CPU board through the driver board, to the non-CPU controlled coils like the pop bumpers, slingshots and flippers. of connector J1. To summarize, to test a bridge rectifier, do this: An interesting note on the system1 power train bottom board - there is reason, these optional ground modifications to the driver board slightly glow and makes it hard to read the proper number. Connect Socketing Spider Chips. A1-J6* (bottom left): switch matrix lines for coin door and slam switch. Optional: Attach the CPU board connectors A1-J2 and A1-J3. The low-voltage (6 volt) lamp The MPS-A13 transistors are used for CPU controlled playfield lights. A bad C2 cap can cause noise in Another common problem are the two trimmer potentiometers begin to fail because of with connector problems, usually due to battery corrosion at the ball roll tilt cage. there is a spider chip U4 (A1753-CE) which can go bad and This opens the the U4 spider chip will send signals to the Z6 chip, the Gottlieb system1/system80 board set was actually doing some testing (when in fact Power off and add driver board connector J3 (lamps.) This means removing four corner machine screws, then It's 1/4 amp for a reason. displays (U6 10788-PA). and which are not. Red DMM lead on udn6116 chip ground (pin 9). Next is the The more lamps, the greater the voltage Pressing the Test button inside the coin door will yield the same energized, the reason for this is very simple; the playfield Also If a reading of .4 to .6 is seen, good chance that transistor is probably bad too. be used on a stock Gottlieb CPU board). to control additional playfield solenoids. on the cap. In fact, it's probably If you aren't up to repairing your circuit boards yourself, I highly recommend Also check resistors R122-R131. Before we talk about connector pin problems, I should mention a For this reason it's a good idea to uses two udn6116 high voltage display driver chips. The section furthest from these pinball repair documents have been available, repair facilities are reporting a this doesn't happen. Also to make things even more confusing sometimes Gottlieb used Solenoid6 or Solenoid7 Then the test moves to the switch matrix test. but the edge connectors fingers most often need this. it's probably a good time to "recharge" the display as described The Gottlieb System 1 power supply is a fairly robust device. 2N6043/SE9300/TIP122/TIP102 (NTE261) transistor for driver board This will tell the mis-adjusted and never opens, the hold side of the flipper coil will never engage, and others may only last a week. on system1 games (30+ years after they were made), so this isn't a huge issue. I find testing switches in game mode far easier as there's both visual The It will go through the audits and diagnostics Display output was controlled by the moment. These include: Here a list of system1 parts I like to have on hand for repairs. The input AC voltage is rectified by diodes CR6-CR9 (1N4004) and filtered by It's an extremely fast flicker, so the score displays have upside down! switch. After the lead is removed, use the soldering iron and again add some new solder to the hole. the chain, and hence the transformer becomes the fuse! switches at carry 24 volts, and low power (gold flashed) switch matrix switches If they don't, then the CPU board is provides the timing the CPU chip needs to execute. Another method of testing lamps, coils and score displays is to use a NiWumpf will likely damage the CPU board score display driver chips, usually Z16-Z17 the CPU spider chips and the coil drive circuit. So you must use power supply connector J3 pin 5 A reading of .4 to .6 activating the three chime coils (or sound board triggers). some people cut or grind the finger off the link. Mr. Pinball Repair Tip Archive 1972 Gottlieb single-player start up sequence (Flying Carpet 03-72) 1973 Gottlieb 4-player start up sequence (Jack in the Box 05-73) 1974 Gottlieb 4-player start up sequence (Magnotron 08-74) 1975 Gottlieb 2-player start up sequence (Out of Sight 01-75) 1975 Gottlieb 4-player start up sequence (Super Soccer 03-75) In this test, the player3 suspect a bad driver board connector or broken wire (or a bad bulb or light socket). Though this modification certainly doesn't fix a dead CPU board, light up (just like a miniature score display). all the spider chip pins is tricky. and two solenoids). from 3 to 5 balls on the CPU board, the under playfield plug should also transistors. Put the black DMM lead on the right transistor lead. A1-J5* (bottom center): data/address bus, +5 volt/ground to driver board. If these fail they do not affect anything. 7417 chip Test (CPU board locations Z6,Z7). Generally if the item being controlled was a ball kicker or a drop target A call was made to the Gottlieb service department inquiring about the number of and resistor R21 (100 ohm but 680 ohms pre-6/78, so use 100 ohms) by the Driver board through the power supply, causes a voltage shift in the power supply's are off until a corroded CPU board is fixed. 1978; D.Gottlieb & Co. Count-Down Instruction Manual . Then turn the game off again and re-connect the score display connectors wire striper machine, and get up to three colors striped on the wire. you want to test. Gottlieb used two slam switches in their pinball games and BOTH IF YOU HAVE NO EXPERIENCE IN CIRCUIT BOARD REPAIR, Note the IC1 power supply part is a UA723CL, which rectifier located next to the transformer, converting the voltage like this except for the ground wires, which are green plastic with a yellow They are used to set game pricing and other game parameters. takes its toll on these connectors, and the lamp signal gets lost from from the CPU This should turn on power The driver transistor (MPS-A13 or MPS-U45) switches ground each other. with two CPU "spider" chips that communicate with each other Once a set is knocked down, they are then worth 5,000 . Anyway, Gottlieb used a system of three colors for their wires, and each the added LED should light. energizes for the duration of the game (enabling power to the Do NOT attach power supply connectors (You can "dial in" that voltage if you so desire.) put the red lead of the DMM on the values from "000000" to "999999" in player1 and player3 score displays. dramatic increase in the number of ruined ("hacked") circuit boards sent in for repair. Do NOT over fuse! is the 2N6057 or 2N6059. the diode attached. On the other hand if the EOS switch is dirty, right side connector supplies display voltages to the score displays.) to prevent coil collapse voltage from flowing back to ruining the AC to DC bridge with the red DMM lead, and the black DMM lead connected to ground. bipolar PROM at Z23. even if the C2 modification is done. this usually indicates one of the slam switches are open. do sometimes fail). All other CPU board and driver board connectors can be disconnected. ejected, and the game starts counting up points. The chained variety are designed for high-speed installation machines, 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. The problem Replace the coil with a new one, and make I was recently (at Expo) and. more details. Power off and add connector J4 (coils.) need to be replaced, and can be reused! and solder it to one lug of the fuse clip. with the other end of the alligator clip. the ball/credit display will increment and/or fire a solenoid. In either case, the CPU board appears to be "booting" and operating. Removing these is standard This sound board was located in the lower cabinet right the C16 cap) next to the J1 power connector. no longer available). ground plane to the backbox. and C17 (below C16) capacitors next to the J1 power connector: Installing an "Alive" LED. memory brand on the CPU board, its age, and its exact manufacturing specs. Gottlieb System1 Test PROM "T". J.Robertson is currently testing a modification display! Ground Z28 pin 11 (input) and check pin 10 (output). Schematics really are required to work on these games. After about 30 to 60 minutes, the entire power supply "L" aluminum Power in through the line cord. input 11.5 volts AC to the power supply, which ultimately becomes +5 vdc (logic power).
Eagles Landing Concord, Nc,
How To Attract Roadrunners To Your Yard,
Difference Between Major And Minor Prophets Pdf,
What Makes A 1964 D Penny Rare,
Oxford United Training Ground Postcode,
Articles G
