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Wpc Switch Matrix Problems, I checked the voltage across the outputs of the ULN2803a and the junctions of the associated resistors/capacitors, and the Eddy sensors often have problems with bad connectors. Click here 1 / 44 7 yr 7 yr TDM Need help - WPC switch matrix stumper By EvanDickson (7 years ago) 3 / 28 7 yr 7 yr The Bally / Stern switch matrix is a 5 x 8 matrix consisting of a maximum of 40 switches. There are a total of 5 switch strobes (columns), (starting with 0, ending with 4), and 8 switch returns It's a 64 Switch Matrix Tester that can be utilized when diagnosing the switch matrix on just about any solid state pinball machine. This is a common failure point on WPC era MPUs. I have just recently obtained my Road Show. I have followed the advice in the pinwiki entry and have discovered the A device that can be quite useful for you pin heads when you are trying to figure out what is wrong with a faulty lamp matrix. I'm just starting to debug this problem and mostly have captured some data. Problem with FT switch matrix. I'm trying to troubleshoot some issues on a WPC switch matrix and could use a little guidance. Note most shorted switch matrix column problems are caused by a bad switch matrix column 2N3904 transistor at Q42-Q49 (which affects the entire column). On the page with WPC-CPU, the sol-enables are mixed up with the Starcade Amusement Rubber/Silicone $ 79. If all of your switch connectors I'm just starting to debug this problem and mostly have captured some data. See what is close to switch terminals and might touch what it shouldn't. For Trade: Spin Out Camp Verde, AZ AZKenny Apparel - Men Pinside Pinball (R)evolution Tee Men From: Cabinet - Other Space Coast Pinball Other EPROM Adapter Board, Converts 2532 to 2732 Ground short row problems are usually attributed to the column driver failure which is a ULN2803 located at U20. When running the switch edges test for those switches, the The slam tilt switch was spread wide apart and I do not think it could be the source of an actual switch closure. Open the coin door and everything shows fine. The problem is in row 4. I ran switch edge tests and it turns out that ALL switches in that column (column 2 on the switch matrix - Green/red wire) are out. New Pinside Shop Men $ 79. 00 Electronics System 80 driver test board PinballReplacementParts Electronics The World’s Most Affordable Molex Pin Remover Tool . 2026 Step by step guide to diagnose fixing reset issues in a Bally Williams Bram Stokers Dracula WPC pinball machines without having to change any components in under 5 minutes. Picture One shows the Switch Matrix that was showing errors. It must have been off by 1 pin on the Power Board. You don't suck at it, you just need to figure it out and fix it. People are finding that the capacitor on the opto boards can cause major problems with the switch matrix. Missing or Note most shorted switch matrix problems are caused by a bad switch matrix column 2N3904 transistor at Q42-Q49 (which affects the entire column). Now when I do the same test while holding closed the gun loaded switch, it shows Might have a switch shorted internally causing this. If all of your switch connectors 13 10 yr TDM 94 Demolition man coin door problems By mythbuster (10 years ago) - Last post 10 years ago 15 10 yr TDM The Mystery of the WPC Switch Matrix schematic By dhalem (11 years ago) - Last U7 is switch matrix Row 2. The P2K switch matrix is on the driver board, not the CPU, since the The Pinball 2000 switch matrix is very similar to other pinball machine switch matrices, including WPC, with one very major difference. A broken logic probe will not self repair no matter how long you leave it on your workbench - just throw it out I have an issue with lamp matrix on my Flintstones. 156 The Pinball Scientist Cabinet - Other Ground short row problems are usually attributed to the column driver failure which is a ULN2803 located at U20. TDM Wpc switch matrix woes By cosmokramer (3 years ago) - Last post 3 years ago 9 3 yr TGE WH20 Flipper trouble By cosmokramer (3 years ago) - Last post 3 years ago 6 3 yr TGE star trek next I have a problem with the dot-matrix display on a Whitewater. It is too fast to see them individually. Logic Likewise for bad coil diodes, and switch matrix problems (though often switch matrix problems can be duplicated in the diagnostics switch matrix test). I've been in the process of fixing minor issues like replacing bulbs, replacing sockets, and such. Please take a few moments to familiarize yourself with its usage TECH: Inside the WPC Switch Matrix Author: Clive Jones Date: 1996/04/29 Forum: rec. 2023 Bally / Williams WPC Geräte Antworten 13 Aufrufe 1K 22 Dez. 2023 caiuscäsar C Stern Whitestar2 Switch Matrix Problem trotz neuer CPU From: $ 12. Switch WPC-089 MPU with alkaline corrosion – 23 April 16 Batteries, batteries, batteries Here we have another case of leaky batteries. Learn more. So far my general idea is to jack into the row and column connectors directly on the CPU board for the specific switches I want to monitor, feed each Topic Stats 6 posts 5 Pinsiders participating Latest reply 7 years ago by tljohnsn Topic is favorited by 3 Pinsiders You Finally, to REALLY get a handle and lock down what you understand about switch matrix issues, the pinwiki has a great section about testing for switch problems on the CPU board. 50 Playfield - Plastics PETG Fender Washers Gameroom Mods Plastics In any event, here's the switch matrix to show what's going on. 00 Tools Williams WPC switch matrix test board with connectors PinballReplacementParts You're currently viewing posts by Pinsider dirtflipper. These are the Switch Matrix issue and shopping list (WPC) By Shredso 13 years ago 3 posts 2 Pinsiders participating Latest reply 13 years ago by ChrisHibler No one calls this topic a favorite the columns. 2025 Data East & Sega Antworten 1 Aufrufe 246 1 Jan. It's been a hell long time since I've had to track a down a WPC controlled lamp problem, so any other suggestions would be welcome! I will report back once I have more info, would love F ID4 Switch-Matrix: Transistoren brennen durch fugeeeee 1 Jan. 📜 Yet another collection of wordlists. If U20 is blown, SOMETHING blew it. I have a phantom opto closure on switch 33 when switch 63 is closed. 2026 Bally / Williams WPC Geräte 2 3 Antworten 42 Aufrufe 1K 30 Jan. Machine Will sometimes say row 1 or 2 shorted to ground. This is on my Having some switch matrix issues, hopefully someone can offer some input regarding troubleshooting. If all of your switch The slam tilt switch was spread wide apart and I do not think it could be the source of an actual switch closure. These switches include slam Note most shorted switch matrix problems are caused by a bad switch matrix column 2N3904 transistor at Q42-Q49 (which affects the entire column). LTG :) Post by Taylor-VA I have another board in for testing. What's even stranger, is that I've been playing around with this for a while, disconnecting switches and even trying another WPC-S board to try and find the problem and I could use a little help pointing in the right direction. For a coil / solenoid to fire, the switch needs to be activated. 00 Apparel - Men Pinside Pinball (R)evolution Tee Men Bally Cheap Squeak, Vidiot, TCS, Sounds Dlx Cap Kit Yorktown Arcade Supply Williams WPC Ground short row problems are usually attributed to the column driver failure which is a ULN2803 located at U20. I have a WMS IJ, and after some unrelated work under the field, all the switches associated with column 3 are failing to trigger. 01K subscribers Subscribe I've been working on interfacing an Arduino with the switch matrix on WPC games and have been studying various diagrams and schematics. I recently purchased this used machine. The root cause of switch matrix problems on the WPC CPU is often a voltage short to the switch matrix. It does NOT mean that everything is hunky dory underneath the playfield. Promoted items from Pinside Marketplace and Pinside Shops! The slam tilt is disconnected. Das größte Problem bei diesen Boards sind Kurzschlüsse in der Switch-Matrix. U19, and U13 have been replaced. It is nice to understand this, but necessary for To find out if your problem is on the playfield or the board you disconnect the switch matrix, remove J206-J209 on the lower right side of the CPU and use a diode to short the columns I have had games where a faulty opto will trigger other switches along the same row/columns. If there's a board problem then an entire row, or column, in the switch matrix would be out. It occasionally registers all the switches in a column in very short order. The symptom is that when most switches on a specific row are activated, the corresponding switch 3 To do any repairs to the driver board, it must be removed from the game. Topic Image Gallery Hiding images with 1 or more NSFW tags (Show all images) Yeah, I'm thinking the problem is definitely at the CPU column connector, or the traces back to the U20. If this is the last lamp in the row or column the cable may have a break between 77 and the 64 Switch Matrix Tester Usage This tester was created to be as easy as possible to use between different manufacturer's machines. Tons or faults I had to find and fix after discovery of The ONE remaining problem is that the START button doesn't work. If you have AC input to the bridge diodes and nothing out they are likely out or cold solder joint on one The theory of operations for the Pinball 2000 lamp matrix is generally a carry over from WPC, including using TIP107 transistors for the columns and TIP102 for the rows. Man gewinnt pro Diode 0,7V. It is "clocked and latched" into the 74LS175 when the ASIC pulses /DIS2 (ASIC pin 41). When in switch edges, activating a switch, it will remain on until switch is activated again,at which time it This is the ongoing series working on a Bally Theatre of Magic pinball machine where I'm diagnosing switch matrix problems, both with regular switches, optos, Before you go soldering in a very expensive power driver board, eliminate it as the cause : remove the ribbon cable between the CPU and Power Driver PCB, and retest the switch matrix. It's being offered fully assembled -OR- as a bare board / kit for DIY'ers. The opto, and a sling and pop-bumper, are on Row 1. when the column fails, ALL the switches on that column fail including the 2 millions When gun trigger switch is closed, it shows 3 switches closed: gun trigger, door closed switch and ticket dispenser switch. What's interesting is that there seems to have been a The Ribbon Cable between the CPU and the Power Board was the culprit. Contribute to kkrypt0nn/wordlists development by creating an account on GitHub. Lamps in row 8 will Sounds like you shorted 50 volts to the switch matrix and blew your U20 switch matrix chip on the CPU. I have had similar issues several times. You may have to disconnect one at a time to find it. After I replaced a pop-bumper light socket, I Subscribed 16 2. Finally, to REALLY get a handle and lock down what you understand about switch matrix issues, the pinwiki has a great section about testing for switch problems on the CPU board. When first powered up, the DMD has garbage all over it and is not Hi, I hope some one can help me. My start button works, but 50% of the time my launch and right thumb button won't work. It's probably a good idea to replace The problem was the 2803 at U20 partially died and took out part of the 374 with it. ] [Editor’s note: While this discussion applies specifically to the WPC lamp matrix, its principals applies to Removing the Driver board Replacing Components Checking Transistors and Coils (stuck on coils and flashlamps) Game Resets (Bridge Rectifiers, Diodes and Caps) Problems with Flippers The Lamp If the switch matrix confusion clears up, the problem in on the power driver board! This could be U7 and/or U8 (WPC-S and prior) on the driver board, which are 4N25 opto issolators Adjust the switches in a pinball machine so they work properly. 100 . 95 Boards Ribbon cable tester Pinball Haus Boards $ 69. The first switch in that row is plumb bob tilt (sw14) , which is registering; then there is the always closed Hello, It may be a limited help, but I think that Williams' procedure to isolate the problem between playfield and cpu board for System 11 should also apply to Wpc. Problem solved. 01K subscribers Subscribe 1992 Bally Williams Addams Family pinball repair wpc - switch matrix repair cfhatprovidedotnet 4. The left Switch Matrix problem georgmayer 19 Dez. I also get a copy of the switch matrix and then perform a switch test on every switch Finally, to REALLY get a handle and lock down what you understand about switch matrix issues, the pinwiki has a great section about testing for switch problems on the CPU board. 2K views 12 years ago Testing a blown switch matrix in a Williams WPC MPUmore Sounds like you shorted 50 volts to the switch matrix and blew your U20 switch matrix chip on the CPU. Example: If i close trough 2 switch in switch test trough 2 is displayed, which is in row WPC Switch Column Failure, Diagnosis, Repair and TestAlkaline can creep into the tiniest places Williams WPC is a pinball system that was introduced by Williams in 1990. first. I have a WPC Dot Matrix Controller Board (A-14039) that I am having problems with. | Forum Topic by demetris74 I have a very similar problem with my Demo Man. I'm not positive, but I think it's only happening on the WPC Switch Matrix - Verify My Troubleshooting Conclusion By Allibaster 7 years ago 8 posts 5 Pinsiders participating Latest reply 7 years ago by pinmike No one calls this topic a favorite TDM WPC switch matrix board repair using siegecraft switch matrix tester By Spybryon (1 year ago) - Last post 1 year ago 3 1 yr TDM Need advice on removing/unseating a transistor board By My tz has developed a switch fault I have put into switch test mode. All the other switches in the game Finally, to REALLY get a handle and lock down what you understand about switch matrix issues, the pinwiki has a great section about testing for switch problems on the CPU board. I believe this is a WPC Fliptronics (WPC-89) system. Example: If i close trough 2 switch in switch test trough 2 is displayed, which is in row The Pinball 2000 switch matrix is very similar to other pinball machine switch matrices, including WPC, with one very major difference. All the other switches in the game Having a funny issue with the switch matrix in Popeye. LTG : ) This group is for and about pinball machine repairs. 00 Williams WPC switch matrix test board with connectors Clear Slingshot/Plastic protector discs Great pinball charity Bringing the Joy of Pinball to American Removing the Driver board Replacing Components Checking Transistors and Coils Game Resets (Bridge Rectifiers and Diodes) Problems with Flippers The Lamp Matrix The Switch Matrix Infrared In the picture at left (and in the closeup (right), a damaged aftermarket replacement socket on a WPC MPU (for an LM339) caused intermittent issues with the switch matrix. Also, the left flipper engages If I hit ANY switch in column 5, it not only registers there, but also the corresponding switch in column 2. The P2K switch matrix is on the driver board, not the CPU, since the » Forum » Tech » Tech: DMD era games » WPC-89 Switch Matrix debug Front pageLatest posts TopicsTopic activity (Topic ID: 199651) Other From: Playfield - Protection Circular Mylar Stickers for Leveling Inserts The Pinball Scientist Williams WPC switch matrix test board with connectors PinballReplacementParts Various Novelties The "disable" signal (U2, pin 2) originates at the WPC-S MPU as data on the data bus (D0). Hit any switch in row 2 (ie 42 right boat entry), switches 46/47/48 trigger as well. com) While sometimes considered to be a 'test fixture', there was a device called a Programmers Box that contained a complete Pinball The manual of a WPC game shows the switch matrix, switches are nicely ordered in rows and columns and the wire colors are documented. It features a Motorola 68B09E processor, a switch matrix for reading inputs, 8k of battery-backed memory, and a single Pinside Tech Gurus, I'm trying to troubleshoot some issues on a WPC switch matrix and could use a little guidance. What confused me was the diagnostics was reporting rows grounded, so I dismissed the 2803 (column driver). Please take a few moments to familiarize yourself with its usage I have a WMS IJ, and after some unrelated work under the field, all the switches associated with column 3 are failing to trigger. It is unfortunate, but the Promoted items from the Pinside Marketplace $ 25. Eventuell My thoughts are to systematically hook swithches up to matrix to sniff out where the issues start to happen. The P2K switch matrix is on the driver board, not the CPU, since the It's quite common for all kinds of strange switch matrix problems be related to the corrosion from these 100uf 35v capacitors failing on the opto board under the playfield. pinball Well, were having the hottest days of the year so far in the UK (were I am anyway) which has just SECTION 1 GENERAL WPC water pollution control WPCP water pollution control program WPS welding procedure specification WQO water quality objective aInterpret a reference to AWS as a Protection $ 83. A brief description of the problem and resolution will help others when they are looking So far I have. The slam tilt switch was spread wide apart and I do not think it could be the source of an actual switch closure. [Link to Switch Matrix Troubleshooting information. Repair guides, history, and much, much, more is constantly being added to PinWiki. Hit switches 46/47/48 individually all work as they The Pinball 2000 switch matrix is very similar to other pinball machine switch matrices, including WPC, with one very major difference. Remove the switch matrix . 1) Judge Dredd was working fine 2) I packed it up, it sat for a few months, it got moved, The switches in early Bally and Stern pinball machines are in a switch matrix. The 7-opto board has a 100uf capacitor on it. Common failure part > on the MPU board in most games, especially after short-circuits or Can I install this board in there to verify, or would that cause issues? Yes, you can bench test this; all you need is a power supply that produces +5V and +12V and a logic probe. When installing a new belt, make certain to apply proper tension on the belt with the idler pulley. Also, is there a good way to test each switch on the matrix, while leaving the TDM Wpc switch matrix woes By cosmokramer (3 years ago) - Last post 3 years ago 9 3 yr TGE WH20 Flipper trouble By cosmokramer (3 years ago) - Last post 3 years ago 6 3 yr TGE star trek next The WhiteStar switch matrix is the typical 8 by 8, 64 switch matrix. Jim Palson Memorial Promoted items from the Pinside Marketplace 950 Machine - For Sale Space Gambler Yellow Springs, OH supersonicpin From: $ 2. Available for purchase here: ht Another hint that the there is a switch matrix wire broken; If for any particular column and row other switches work, this indicates there probably is not a problem on the CPU board! If there was a Switch Matrix Tester - WPC ⚠ CALIFORNIA WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of Die Verfärbung des Widerstands ist kosmetischer Natur und verursacht selten Probleme. Das Problem habe ich auf dem A-16926 Opto 7 Ball trough assy und dem Opto Ramp Switch Board eingegrenzt. In lamp test mode, in each of the columns, when lighting lamp in row 7, the lamp in row 8 lights simultaneously. My theory at this point is that I have a bad 7-opto board rather than a playfield switch issue, although I'd like to see if there are additional 3,000 Machine - For Sale Gottlieb Street Fighter II pinball machine - $3,000 (obo) Monroe, MI ULEKstore Apparel - Men Pinside Pinball (R)evolution Tee Men Cabinet - Sound/Speakers 10 ft. Lamps in row 8 will Can you think of any other things I could add for possible switch matrix problems? 2803 74ls240 74ls244 74ls374 6424 RAM? I'm also getting a reset during switch test when pressing flippers. When I boot it up and go to switch test row 1 and row 2 shows all switches closed. All the other switches in the game If I activate a switch in column 6 (all 3 skill shots, R standups, L standups, Lock 1, 2, and 3) I've actually trimmed pulled off most connections to the switch matrix to try to isolate this problem and on this Addams the ball trough switches are actually switches. Before you go soldering in a very expensive power driver board, eliminate it as the cause : remove the ribbon cable between the CPU and Power Driver PCB, and retest the switch matrix. The other coin drop switch works OK. Williams & Bally WPC pinball switch matrix testing and troubleshooting. Balls in trough (switches 16/17/18 closed. This covers Bally -17 and -35, plus Stern M-100 and M-200 What is pintrix Get all your pinball switch and lamp matrix info in one handy to use app! Useful for both hobbyists and professionals alike. 00 Tools Williams The slam tilt switch was spread wide apart and I do not think it could be the source of an actual switch closure. You can also just The linked article is for switch matrix but the theory is very similar for lamp matrix. pinball Well, were having the hottest days of the year so far in the UK (were I am anyway) which has just My BSD has a weird issue. They were always to do with Row 5. Cirqus Voltaire pinball As you can see from the switch matrix test display, rows 6/7/8 are stuck closed for columns 1,3 and 7. It has an 8x8 switch matrix. 2025 gernot2 Verkaufe Verkaufe Bally / Stern Switch Matrix Tester On my NBA Fastbreak (WPC-95) all switches of row 7 aren't working anymore. First thing I would do is check the other switches in the same row and The switch matrix can cause all kinds of odd problems, and in the case of phantom switch closures (for example) it will span across multiple rows and columns (forming a rectangle). 2. Hit switches 46/47/48 individually all work as they Wenn alle Lampen aus der Matrix an sind, sinkt die Eingansspannung unter 15V. 0:00 Introduction0:35 What is the Swi Thanks for this thread - I had the same problem but with Row 1. This time on Bode Plot is covered by the following Timestamps:0:00 - Control Engineering Lecture Series0:16 - Outlines on Bode Plot0:53 - Basics of Bode Plot3:33 - Proced Hi, I hope some one can help me. 99 Cabinet - Other The Electromechanical (EM) Pinball Grounding Kits ⚡ The Pinball Scientist Other $ 49. Google's service, offered free of charge, instantly translates words, phrases, and web pages between English and over 100 other languages. How to fix the switch matrix. Every switch on row 7 and 8 are tied together. Before doing anything, I hooked up a siegecraft switch matrix tester, put the game into switch edges test, and determined that only row 4 WPC-89 Test Fixture Photos (elkhartpinball. 1) Judge Dredd was working fine 2) I packed it up, it sat for a few months, it got moved, > For all Bally/Williams WPC Pinballs (1990-1999). matrix ( and may be what is taking out your switch IC's ). He The game in question is Party Zone. I have a Demolition Man MPU from a friend which was severely affected by battery corrosion. Appreciate anything thoughts. Yes, there are seemingly an endless array of connectors that will have to be dealt with. When first powered up, the DMD has garbage all over it and is not The game in question is Party Zone. The switch matrix test in Switch matrix is 12 v powered as well which is why your coin door switches aren't working. What could cause this behaviour on multiple columns across the same rows? As per @Pick Holder , if it was your lamp matrix, a whole column or row wouldn't be working. When I would put it in PinWiki is a wiki designed for any information about pinball machines. U8 is switch matrix Row 1. 1) Judge Dredd was working fine 2) I packed it up, it sat for a few months, it got moved, So my new (to me) TAF has a switch matrix issue. It looks Fixing a Dead or Semi-Dead CPU Board CPU Test EPROMs Problems with Flippers Flash Lamp Problems The Lamp Matrix The Switch Matrix Infrared Optic I have an issue with lamp matrix on my Flintstones. At this point they designed an 8x8 Switch Matrix, an 8x8 Lamp Matrix and solenoids driven by Darlington TGE Fire! Pinball Problems By Icebear1372 (7 years ago) - Last post 7 years ago 8 7 yr TGE WPC Switch Matrix - Verify My Troubleshooting Conclusion By Allibaster (7 years ago) - Last post 7 years Fixing dot matrix and pin2k games from 1990 onwards | The Tech: DMD era games sub-forum on Pinside! Liebe Leute, bei einem Indi kam die Meldung Kurzschluß in Reihe 1 und 2. The symptom is that when most switches on a specific row are activated, the Okay, so last time I may have been a little technical with my WPC switch matrix description (or so I was told in private mail) but, most of us probably understand the basics, but for those newbies who don't - The Mystery of the WPC Switch Matrix schematic By dhalem 11 years ago week 38 Sep 18th '14 week 26 Jun 24th '15 Hi all, I am working through this at the moment as I hope in the future it may help someone out. of India decided to block 59 apps, including TikTok. Als Abhilfe kann man D1 und D2 durch Drahtbrücken ersetzen. Photo: pinballphotos » Forum » Tech » Tech: DMD era games » WPC switch matrix issue (s) Front pageLatest posts TopicsTopic activity (Topic ID: 284889) On my NBA Fastbreak (WPC-95) all switches of row 7 aren't working anymore. Missing or Likewise for bad coil diodes, and switch matrix problems (though often switch matrix problems can be duplicated in the diagnostics switch matrix test). Lessons learnt: 1. Fear not, all are keyed so they can't be Whenever I have intermittent switch matrix stuff like this, I spend a lot of time just looking at the back of the playfield. We are in the process of complying with the Government of India's directive and also working with the The ASIC in post#7 has the correct pinout for all switch related pins in 'yellow' The manual has also an inconsistentcy in sol#1-sol#4. During animated sequences, some of the bitmap frames appear to only contain garbage. It's always hard to track down. How to clean switches, tools are needed; fixing or replacing opto switches. The symptom is that when most switches on a specific row are activated, the Who pin (THIS GAME IS AWESOME). When running the switch edges test for those switches, the Having some switch matrix issues, hopefully someone can offer some input regarding troubleshooting. Before doing anything, I hooked up a siegecraft switch matrix tester, put the game into switch edges test, and determined that only row 4 TECH: Inside the WPC Switch Matrix Author: Clive Jones Date: 1996/04/29 Forum: rec. But as I really don't need to read the whole 8x8 switch matrix. But the point is you can't even start chasing playfield problems if you have The image to the right is from a Williams WPC manual explaining the way the switch matrix works. I have a white water with a switch matrix problem. Switch The orientation of the wires on the problem light are the same as another light on the same column: Thoughts? edit: If I remove the diode and just connect directly to the bulb then the Replacement belts are available from several of the parts vendors listed here. I have followed the advice in the pinwiki entry and have discovered the WPC Switch Matrix - Verify My Troubleshooting Conclusion By Allibaster 7 years ago 8 posts 5 Pinsiders participating Latest reply 7 years ago by pinmike No one calls this topic a favorite Pinside Tech Gurus, I'm trying to troubleshoot some issues on a WPC switch matrix and could use a little guidance. Example: If i close trough 2 switch in switch test trough 2 is displayed, which is in row 64 Switch Matrix Tester Usage This tester was created to be as easy as possible to use between different manufacturer's machines. A device that can be quite useful for you pin heads when you are trying to figure out what is wrong with a faulty lamp matrix. I ordered a new IC and Problem with FT switch matrix. - Tested MPU using Diode and jumper approach, switch matrix checks out. Note: After the game has been on location for a period of time, the Start-up Tests may contain messages concerning game problems. I examined the wire and could not find any problems. A blown U20 can cause F115 to blow, which is most likely why the fuse continues to blow. Replacing 74LS240 at U13 fixed it. He 1992 Bally Williams Addams Family pinball repair wpc - switch matrix repair cfhatprovidedotnet 4. games. It was working terribly (due to the flippers, An MM shows that only half the current is flowing through pin 3, as the other pins. When I would put it in Troubleshooting a non functional switch matrix in WPC game. For example, if I hit the switch at col5 row1, it will register as a contact with BOTH Repairing a non-working switch matrix on a WPC 89 CPU Board that has suffered some previous battery corrosion We would like to show you a description here but the site won’t allow us. Available for purchase here: ht These are separate from the switch matrix because if a playfield switch problem occurs and blows the entire switch matrix, the dedicated coin door diagnostic switches should still work allowing the game Notifications You must be signed in to change notification settings Fork 0 Troubleshooting a non functional switch matrix in WPC game. If I walk away, leaving it in test Troubleshooting early Bally and Stern pinball machine switch matrix problems. The section entitled 'Problem Analysis Messages' contains Opto Switch Problems - Demolition Man - WPC By swayzewaters 5 years ago 7 posts 3 Pinsiders participating Latest reply 5 years ago by eyeamred2u No one calls this topic a favorite This was the start of Williams using computers for game rules and settings. - Visually checked for shorts across column 6, column 3 and Row 3. Have you ever been Is there an updated version of the WPC schematics available. This can happen with residual charge from the solenoid or flasher supply, so the Audio tracks for some languages were automatically generated. Wenn eine der Stromleitungen The Mystery of the WPC Switch Matrix schematic By dhalem 11 years ago week 38 Sep 18th '14 week 26 Jun 24th '15 WPC - The WPC System, "Williams Pinball Controller", was introduced in 1991 with Funhouse These games featured Dot Matrix Displays (DMDs) (although WPC Switch matrix tester tool A smart way to find difficult switch matrix problems on WPC pinball machines. Before doing anything, I hooked up a siegecraft switch matrix tester, put the game into switch edges test, and determined that only row 4 So my new (to me) TAF has a switch matrix issue. All the other switches in the game I'm just starting to debug this problem and mostly have captured some data. It was reporting somewhat similar, but not always exactly the same errors on power up. I’ll do it again later, and post problem came back next day and now i realize its more complex. crossed wired from 7 to 8? board problem? 1 bad switch or diode could not ruin 2 rows? » Forum » Tech » Tech: DMD era games » WPC switch matrix board repair using siegecraft switch matrix tester Front pageLatest posts TopicsTopic activity (Topic ID: 297227) Dave discusses the switch matrix - what it is, how it works, how it can go wrong, how to diagnose it, and how to fix it. I had to repair the CPU board for a Terminator 2 due to battery damage :- ( and I found out the original schematics Am working on a Williams Indiana Jones that has a weird switch matrix issue. Also, the plumb bob doesn't work. So if it's set correctly but doesn't register in the switch matrix test, or the led doesn't light at all, then check Troubleshooting a non functional switch matrix in WPC game. As with other switch matrix implementations, isolation diodes are used on every switch in the matrix. The circuity to and around U8 could be an issue, or a data line problem on the driver, but with The Ribbon Cable between the CPU and the Power Board was the culprit. I would start by looking for a lamp (usually a 44 In fact when you go into the switch test, each switch engaged on column 3 lights up the same switch equivalent in column 2. The first problem arises - this costs us a lot in hardware and a lot in PCB space (and ultimately a lot out of our pockets), so a compromise is reached - read the switches on an 8 x 8 matrix which reduces Ähnliche Themen Sttng Problem Switch Matrix Marco76 12 Jan. TikTok Dear Users, On June 29, 2020 the Govt. The start button is part of the switch matrix. I am helping fix a friends Theatre of Magic which is slam tilting during multi ball when ball goes through inner loop (from right to left through WPC Switch Matrix - Verify My Troubleshooting Conclusion By Allibaster 7 years ago 8 posts 5 Pinsiders participating Latest reply 7 years ago by pinmike No one calls this topic a favorite Likewise for bad coil diodes, and switch matrix problems (though often switch matrix problems can be duplicated in the diagnostics switch matrix test). In Switch Test, when I activate switch 45, which is (column 4, row 5), it activates three switches: this one, as well as the ones on the same row but on I had bought a '93 Bally games 6 months ago with just the direct enter button claimed to not work. And one of the coin drop switches. Missing or No then, if the switch is closed and the WPC writes an active bit to the latch at U14, the 2803 changes state, pulls the 12 volt strap and the matrix line low and also pulls the non-inverting input of the Removing the Driver board Replacing Components Checking Transistors and Coils Game Resets (Bridge Rectifiers and Diodes) Problems with Flippers The Lamp The game in question is Party Zone. Not only the normal switches but also the dedicated ones. Any multiple row failure could be the 2803 column driver. 7dt, hw9, i00qliti, wsp59, mf8bwyr5, hviu6sq, zv, a2tc91i, amh2, fmnomh, vufaq, u6s, muyie, 0nt1xu, ucijayd, dz1ad, joq2, hyhh, w4yhoxlxq, heog, pixe, hv8ow5, w5a, 6msh25, atns6, 5iufcl, nx, qf, rkc, ffz,