wpc sound board repairs

WPC Sound Board A-12738 Repair Carolina Pinball Repair

carolinapinballrepair.com 2016/05/25 wpc-sound WPC Sound Board A-12738 Repair. Posted on May 25, 2016 by Matthew Mandarano. These little sound boards in WPC era Bally/Williams games can be difficult to track down issues on and there are no inexpensive reproduction replacements, so the boards themselves are quite expensive if they need to be replaced. A client brought this board to me.

Repairs Carolina Pinball Repair

carolinapinballrepair.com egory repairs WPC Sound Board A-12738 Repair Posted on May 25, 2016 by Matthew Mandarano These little sound boards in WPC era Bally/Williams games can be difficult to track down issues on and there are no inexpensive reproduction replacements, so the boards themselves are quite expensive if they need to be replaced.

WPC sound board repair Tech: Generic Pinside.com

pinside.com forum topicWPC sound repair is one of the least-documented and most frustrating parts of pinball to me. There are no repair sites or guides unfortunately. If you are good with a scope and logic probe, you might have success trying to chase the problem around with the schematic. Promoted items from the Pinside Marketplace

Tech: WPC Sound Board A-12738, ala TAF, etc diagnosis and repair

groups.google.com d topicI finally solved a problem with a sound board of mine that had been stumping me for a longggg time. I had been working on the board on and off for about a year. It& 39;s the A-12738 WPC sound board ala FH, T2, etc . The game acted the same when booted either with or without the board installed. Or, equivalently, the game simply didn& 39;t recognize

WPC Sound Board C28 failure - Google Groups

groups.google.com d topicthe C28 capacitor on the sound board. Big spark, mini-explosion and small fire So..... I put a spare working sound board in after checking around for shorts in the speakers etc. and I had an equally spectacular encore performance of the C28 failure. Not sure what to do now..... any assistance would be much appreciated. Luke

Repair Blog - Chris Hibler Pinball

chrishiblerpinball.com repair-blogWPC Power/Driver Board – 13 February 16 Symptom Typical WPC Power/Driver board. Burned GI headers. Other headers past service life. The Fix GI and all power headers replaced. Capacitors C2, C4, and C5 replaced, all for long term reliability. I test WPC power/driver boards in my Twilight Zone. My game has the 9.4H home ROM which allows the ...

Williams WPC - PinWiki

www.pinwiki.com wiki index The WPC Power/Driver board uses a 15,000µF, 25V capacitor at C5 to smooth the full wave ...

Williams WPC - Pinball Supernova

pinballsupernova.com Williams Repair Guide Williams 19903.2 WPC System Generations 3.2.1 WPC CPU The WPC CPU was the cornerstone of the new WPC pinball system, introduced by Williams in 1990. The board has the following features: Motorola 68B09E processor Switch matrix inputs 8k of CMOS battery-backed memory A single EPROM, sized from 128K 1 megabit, 27C128 to 1M 8 megabits, 27C080 / 27C801

The Coin-Op Cauldron: Pinball Board Repairs

www.coinopcauldron.com brepairsSystem 80 Sound board: $58.00: Limited repair, call-System 80B Sound board: $68.00-System 80B 2x 20 display: Call: Limited repair, call-S80 Driver boards all $48.00-System 3 CPU board: $88.00-System 3 driver board: $68.00-System 3 sound board: $78.00-System 3 Aux. sound board: Call: Limited repair, call-System 3 Display controller: $78.00-System 3 A/N 2x 20 display: $60.00

WPC Sound Board Repair Advice Tech: DMD era games Pinside.com

pinside.com topic wpc-sound-board-repair-adviceI have a WPC sound board that cuts out. It sounds like a likely culprit is the amp LM1875. I& 39;m also reading some people recommending replacing a handful of caps. C46, C47, C20, C23, C15, C36, C38 . Is this like a DMD board where I may as well replace all of these for a reliable board or an only fix what& 39;s broken scenario?

Tech: WPC Sound Board A-12738, ala TAF, etc diagnosis and repair

groups.google.com d topicI finally solved a problem with a sound board of mine that had been stumping me for a longggg time. I had been working on the board on and off for about a year. It& 39;s the A-12738 WPC sound board ala FH, T2, etc . The game acted the same when booted either with or without the board installed. Or, equivalently, the game simply didn& 39;t recognize

Repairs Carolina Pinball Repair

carolinapinballrepair.com egory repairs WPC Sound Board A-12738 Repair Posted on May 25, 2016 by Matthew Mandarano These little sound boards in WPC era Bally/Williams games can be difficult to track down issues on and there are no inexpensive reproduction replacements, so the boards themselves are quite expensive if they need to be replaced.

WPC Sound Board Repair Advice Tech: DMD era games Pinside.com

pinside.com wpc-sound-board-repair-advice-1This is in regards to my Gilligan& 39;s island sound board A-12738-20003 . The back story is the sound was very scratchy when I bought the game. I took the easy route and bought Marco cap kit for it. The board was clearly worked on in the past. I replaced all the caps except for the two large caps as they looked newer.

Tech: WPC Sound Board A-12738, ala TAF, etc diagnosis and repair

rec.games.pinball.narkive.com xtcaPstG tech-wpcTech: WPC Sound Board A-12738, ala TAF, etc diagnosis and repair too old to reply Chris Hibler 2008-08-19 01:45:21 UTC. Permalink. Good evening good folks of RGP ...

WPC A-12738 Sound Board - Pinball Board Repair

ksarcade.net pinsound-wpc89WPC Sound board, A-12738 for Williams Bally games made between 1990 and 1994.

PINBALL: Repair Williams, Bally Pinball Games 1990-1999 part ...

techniek.flipperwinkel.nl wpc index3Re-seat all the sound board ribbon cables. Surprisingly, this fixes a large number of WPC sound problems Bad rectifier diodes on the sound board. Often these become leaky and can cause intermittent problems before they total short. Speakers blown: yes this happens more often than you might think.

WPC Audio Board A-12738-50004 Rebuild Components - Aussie ...

www.aussiearcade.com forum pinballIn this vain as I have been working through refurbishing this WPC Audio Board I came across a couple things which were not obvious and took some research to get to the bottom of: Neither the manual not the board indi es the polarity of for the Tantalum Capacitors C20, 21, C26, C27, C28, C29, C37, C46, C47, C48 and if you get the polarity ...

Leon Borre& 39;s Repair Articles - PinWiki

www.pinwiki.com wiki index Repair of the Gottlieb system 1 driver board. Easy to make tool, test every transistor on that board Repair of the Gottlieb system 1 CPU board. Diagnostic for the Rockwell PPS4/1 chipset. Replacement of the obsolete game rom Gottlieb system 1. Repair method for Bally sound board type AS-2518-32 and AS-2518-50

PINBALL: Repair Williams, Bally Pinball Games 1990-1999 part ...

techniek.flipperwinkel.nl wpc index3Re-seat all the sound board ribbon cables. Surprisingly, this fixes a large number of WPC sound problems Bad rectifier diodes on the sound board. Often these become leaky and can cause intermittent problems before they total short. Speakers blown: yes this happens more often than you might think.

WPC sound board problem A-12738 **FIXED**

forum.arcadecontrols.com indexRe: WPC sound board problem A-12738 **FIXED** « Reply 6 on: July 22, 2010, 03:22:50 pm Okay, we have a bad static RAM chip U9 . turns out the chip was causing the CPU reset line and it& 39;s associated circuit to randomly dip low causing the CPU to be in a continual state of limbo.

Pricing Carolina Pinball Repair

carolinapinballrepair.com pricing1995 Williams No Fear and 1996 Sega Twister Repairs; WPC Sound Board A-12738 Repair; Electromechanical Pinball Machine Shop Outs; 1992 Data East Star Wars Pinball Repair; Categories. General; Repairs; Restoration; Un egorized; Archives. July 2016; June 2016; May 2016; April 2016; March 2016; February 2016; January 2016; December 2015 ...

Repairing Williams System 3 through 6 Pinball Games, Part 1

pinball.flippers.info system6repairpart1The sound board in these later games is missing the connector that was used to connect the ribbon cable from the speech board to the sound board, showing how far they went in reducing production costs. Displays. Williams used a standard 6 digit gas filled display in all its games through Algar.

Detailed Repairs and Information for Bally Twilight Zone Pinball

www.aaarpinball.com TwilightZone TwilightZone For the WPC pre-DCS sound board, IN is always tied to ground and IN- is the actual source. For each channel, I shorted the associated IN and IN- together. Since this makes IN and IN- equal, the op-amp shouldn& 39;t do any amplifi ion and should output a signal equivalent to ground silence .

The Pinball Resource

www.pbresource.com boardsA6– System 80B Sound Board Used in Gottlieb System 80B Games: BoneBusters. GTB-MA886-719A $94.00ea. A6– System 80B Sound Board Used in Gottlieb System 80B Games: Amazon Hunt II. GTB-MA982 $100.00. A20– System 80B Auxiliary Sound Board Used in Gottlieb System 80B Games Like Bad Girls, Big House, and Hot Shots. GTB-MA1033 Out of Stock

Williams System 3 - 7 - PinWiki

www.pinwiki.com wiki index 3.8.6 Sound Board. During the long run of System 3 through 7 games, Williams used two basic board types, designated Type 1 and Type 2. 3.8.6.1 Type 1 Sound Board. System 3-4 Type 1 Sound Board Assembly Ding and Schematic. 3.8.6.2 Type 2 Sound Board. The System 6-7 Sound and Speech Boards Assembly Ding, crafted by Phil Butcher is a great ...

PINBALL: Beginning Pinball Repair and Circuit Board Repair

www.pinrepair.com begin indexOn a WPC pinball, I personally like to test pin 40 of U4 5 volt power to the CPU chip for a high signal. Next probe a ground point on the board. A solid steady green LED should be seen, indi ing low state. Again on a WPC pinball example, I personally like to test pin 1 of U4 ground for the CPU chip for a low signal.

Rottendog Replacement boards

bigdaddy-enterprises.com ProductPages RotDogBoardsDriver board compatible with Williams WPC89 and WPC-S pinball games with better 5V design to stop low voltage resets. Replaces Bally/Williams part numbers A-12697-1, A-12697-3, and A-12697-4. Latest version 4 for years

PINBALL: Repair Williams, Bally Pinball Games 1990-1999 part ...

techniek.flipperwinkel.nl wpc index3Re-seat all the sound board ribbon cables. Surprisingly, this fixes a large number of WPC sound problems Bad rectifier diodes on the sound board. Often these become leaky and can cause intermittent problems before they total short. Speakers blown: yes this happens more often than you might think.

WPC95 audio/video board replacement – PinSound

www.pinsound.org wpc95-audiovideo-board-replacementGood news WPC95 pinball machine owners The PinSound board is fully compatible with any Bally / Williams WPC95 pinball machines, without the original Audio Video board You can use any DMD board controller WPC89 / WPC-S combined with a PinSound board to replace your faulty or missing A/V WPC95 board. We have 100% plug& 39;n play harness kit

WPC Audio Board A-12738-50004 Rebuild Components - Aussie ...

www.aussiearcade.com forum pinballIn this vain as I have been working through refurbishing this WPC Audio Board I came across a couple things which were not obvious and took some research to get to the bottom of: Neither the manual not the board indi es the polarity of for the Tantalum Capacitors C20, 21, C26, C27, C28, C29, C37, C46, C47, C48 and if you get the polarity ...

WPC-DCS A-16917 pinball sound module - Pinball Board Repair

ksarcade.net bally-williams-wpc-dcs-sound-aDCS sound board for WPC Bally/Williams games 93 - 95, part number A-16917. Comes complete with sound ROMs. Please select your game from the drop-down list. Extremely Rare. Only one in stock. SKU: 864-WPC-DCS-A16917-S4B69

PINBALL: Repair Williams, Bally Pinball Games 1990-1999 part two

techniek.flipperwinkel.nl wpc index2The majority of electronic repairs will be on the WPC Power Driver board. To do any repairs to the driver board, it must be removed from the game. Yes, there are seemingly an endless array of connectors that will have to be dealt with.

Williams Pinball Home Page - docentelectronics.com

www.docentelectronics.com httpdocs AmusementSound Board Switch. SPDT. Used on Many System 3 to 7a Sound Boards. $1.25 Each $10.00 for 10. MSW-5353: Nylon Stand Off. 1/2 inch. $3.00 for 10. NYSOW-1000 White NYSOB-1000 Lt. Brown Williams Cables Email for low prices on custom made cables or Pinball cables not shown: WPC, WPC95 MPU to Driver PCB J211, J113 CABRC-1001 . $5.00: WPC MPU ...

The Pinball Resource

www.pbresource.com boardsA6– System 80B Sound Board Used in Gottlieb System 80B Games: BoneBusters. GTB-MA886-719A $94.00ea. A6– System 80B Sound Board Used in Gottlieb System 80B Games: Amazon Hunt II. GTB-MA982 $100.00. A20– System 80B Auxiliary Sound Board Used in Gottlieb System 80B Games Like Bad Girls, Big House, and Hot Shots. GTB-MA1033 Out of Stock

Contact - Chris Hibler Pinball

chrishiblerpinball.com contactContact Information for Chris Hibler Lo ion: West St. Louis County, near Clayton Road and Highway 109 Cell Phone: 636-432-3589 E-Mail: chrishiblerpinball gmail.com I’ve been repairing pinball machines since 1991 when I purchased my first game, a Gottlieb Centigrade 37, which is an electro-mechanical game.

wpc soundboard bally - bodyfood.cz

www.bodyfood.cz deck4 206-wpc-soundboard-ballyWPC Sound Board A-12738 Repair Carolina Pinball Repair These little sound boards in WPC era Bally/Williams games can be difficult to track down issues on and there are no inexpensive reproduction replacements, so the boards themselves are quite expensive if they need to be replaced. A client brought this board to me.

Williams Blackout Pinball Sound Board Fix - YouTube

www.youtube.com watchRepairing the soundboard for a Williams Blackout Pinball Machine

Detailed Repairs and Information for Bally Twilight Zone Pinball

www.aaarpinball.com TwilightZone TwilightZone For the WPC pre-DCS sound board, IN is always tied to ground and IN- is the actual source. For each channel, I shorted the associated IN and IN- together. Since this makes IN and IN- equal, the op-amp shouldn& 39;t do any amplifi ion and should output a signal equivalent to ground silence .

PINBALL: Repair Williams System 11 Pinball 1986-1990, part one

hansbalk.home.xs4all.nl rep sys11This game only used a special stereo sound board with different sound board power requirements and cabling. Earthshaker, 4/89, 568 Black Knight 2000, 6/89, 563 Police Force, 9/89, 573 Transporter the Rescue Bally , 6/89, 2630

Eldorado Pinball Board REPAIR PRICES

www.eldoradogames.com pinball boardpinball board repairs we are doing service at $55 an hour on newer pinballs williams / bally sys 11 - wpc - pinball 2000 data east / sega / stern and all newer boards

Contact - Chris Hibler Pinball

chrishiblerpinball.com contactContact Information for Chris Hibler Lo ion: West St. Louis County, near Clayton Road and Highway 109 Cell Phone: 636-432-3589 E-Mail: chrishiblerpinball gmail.com I’ve been repairing pinball machines since 1991 when I purchased my first game, a Gottlieb Centigrade 37, which is an electro-mechanical game.

The Pinball Wizard LLC - Pinball Machine Parts and Repair

thepinballwizard.netThe Pinball Wizard has Thousands of Pinball Machine Parts - Shop By Game - LED Bulbs - LED& 39;s - Circuit Boards - Speakers - Rubber Ring Kits - Pinballs - Plastics - Playfield - Posts - Cabinet Parts - Rubber Rings - Electronics - Coils - Flipper Rebuild Kits and Parts - Game Specific - Shop By Game - and MUCH MORE

Williams System 9 - 11 - PinWiki

www.pinwiki.com wiki index The Williams system 7 boardset was replaced in 1984 with the system 9 boardset, and then again in 1985 with the system 11 boardset. Combining the driver board, sound board, and cpu directly onto one board eliminated several design deficiencies of the earlier 3-7 boardsets; mainly the 40 pin interconnector, and extra wiring harness interboard connectors.

Data East/Sega - PinWiki

www.pinwiki.com wiki index The Data East Sound board architecture closely resembles that of the later Sega / Stern Whitestar CPU / Sound board. 4.11.1 Boot Sound Clipped. Each Data East game will play a short sound clip when the sound board boots. On some titles, and maybe all titles, this sound is "clipped", or cut off. This is entirely normal and does not indi e a ...

Pinball Repair Guides – How To Pinball

howtopinball.com pinball-repair-guidesGame System Repair Guides. Guides that are otherwise not available on the above-mentioned sites. Common Solid State Games Bally/Stern classic 1977-1985 Bally/Stern Repair 1985-1989 Bally 6803 Repair Data East/Sega/Stern modern 1987-1995 Data East/Sega Repair Sega/Stern White Star Repair Stern S.A.M. System Repair Stern SPIKE System Repair ...