speech issue sys80 missing pinwiki info

(Topic ID: 199901)

speech issue sys80 missing pinwiki info


By J-A-Z

1 year ago



Topic Stats

  • 13 posts
  • 4 Pinsiders participating
  • Latest reply 33 days ago by J-A-Z
  • Topic is favorited by 1 Pinsider

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    #1 1 year ago

    I have a MGOW who's sound is delayed. It sounds as if there are pauses in the speech. Some simple phrases like "attack" sound fine.

    I noticed on pinwiki that there is a section that looks like it would be exactly what I am looking for, but there is no info under the link.

    http://www.pinwiki.com/wiki/index.php?title=Gottlieb_System_80#Sound_is_.22garbled.22_or_phonemes_appear_jumbled

    Can anyone tell me where I can find this missing info?

    I can post a video of the speech pattern if anyone can help me diagnose.

    Would love to then post this info to the wiki to help others.

    Thank in advance,

    JAZ

    #2 1 year ago
    Quoted from J-A-Z:

    Can anyone tell me where I can find this missing info?

    It's possible that a title for the section was added, but nobody ended up actually writing it for whatever reason.

    You can try scrolling through the page revision history to see if it possibly was written at some point, but it's a lot to go through.

    #3 1 year ago

    Looks like it was added then commented out in 2012.

    =====Sound is "garbled" or phonemes appear jumbled=====
    While this problem is uncommon, it's quite maddening to track down. However, since the board architecture is split between a "sounds" lane and a "speech" lane, at least the number of suspect components can be narrowed. In at least one instance, "garbled" sound was caused by a failed 74LS75 latch. Just after the game was turned on, sounds were normal. But, as components on the speech and sound board would "heat up", speech became garbled, progressively becoming worse, until the speech was completely unintelligible, and then completely missing. The 74LS75 latches may be replaced by 7475s.

    pasted_image (resized).png

    Maybe chrishibler has some insight into this?

    #4 1 year ago

    According to a thread on RGP, Chris seems to indicate the reason it was commented out was that it wasn't actually the cause of the issue he was having.

    https://groups.google.com/forum/#!msg/rec.games.pinball/KGHjF2IrRP8/uzyv_iGxWTUJ

    #6 1 year ago

    I had placed that text in the PinWiki, but the solution was premature.
    I never did figure out what caused the issue with the board.
    It would seem to "mix up" the phenomes. Sort of like splitting a word into syllables then reassembling the syllables in random order. Very odd.

    I no longer have the board. I had to send it back unrepaired. I spent a long, long time on that board. Nothing worked.
    --
    Chris Hibler - CARGPB #31
    http://ChrisHiblerPinball.com/contact
    http://www.PinWiki.com - The Place to go for Pinball Repair Info

    #7 1 year ago

    That sounds very similar to what my board is doing Chris. It's like it pauses during certain times but all the parts of speech are there. I can record a video if anyone wants to hear what it's doing. I was looking for (part four) of the sys80 guide but I can't find it online anywhere these days. I can find parts 1-3, but no working like for part four where it mentions sound/speech issues. You wouldn't happen to know where I can find that would you? I read it once and know it has some advanced sound board testing techniques.

    1 week later
    #8 1 year ago
    Quoted from J-A-Z:

    You wouldn't happen to know where I can find that would you? I read it once and know it has some advanced sound board testing techniques.

    That part won't help. It was pretty basic.
    --
    Chris Hibler - CARGPB #31
    http://ChrisHiblerPinball.com/contact
    http://www.PinWiki.com - The Place to go for Pinball Repair Info

    2 months later
    #9 9 months ago

    Chris, would you be willing to take a look at my speech board? I dont know what to do with this one. I havnt replaced any ICs yet. I am not sure where to start.

    #10 9 months ago
    Quoted from J-A-Z:

    Chris, would you be willing to take a look at my speech board? I dont know what to do with this one. I havnt replaced any ICs yet. I am not sure where to start.

    Based one what Chris describes about the other problem board, it sounds like an issue related to sending the phenomes to the SC-01 speech chip. Speech is created in that chip by stringing together the sounds that make up each word.

    Do you have another Gottlieb game or a Gorf, Q-bert, or wizard of wor video game to test the SC-01 in?

    Q-bert's cussing is just a jumble of phonemes strung together.

    #11 9 months ago

    Only other sys80 I have is Haunted House, which doesn't have speech.

    #12 9 months ago
    Quoted from J-A-Z:

    Only other sys80 I have is Haunted House, which doesn't have speech.

    But...the sound board in HH is compatible with BH. The only additional action is to move the SC-01 onto that board along with the ROMs.
    --
    Chris Hibler - CARGPB #31
    http://ChrisHiblerPinball.com/contact
    http://www.PinWiki.com - The Place to go for Pinball Repair Info

    7 months later
    #13 33 days ago

    Update for anyone else having a similar problem. I sourced a NOS SC-01-A sound chip and once replaced the speech is perfect!

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