Mark_W's latest activity
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MMark_W replied to the thread Trouble with Sound Driver on LC/LCII.Ok another idea, can you test the game on an LC II running system 6.0.8? Just looked up DFAC revisions and it appears the sound chip in...
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MMark_W replied to the thread Trouble with Sound Driver on LC/LCII.Ok did a quick testing on system 6.0.8 and the problem appeared, volume is very low even at 7, sounds just like @VeryVon 's on post #8...
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MMark_W replied to the thread Trouble with Sound Driver on LC/LCII.Hi all, just finished repairing a LC II last weekend and decide to chime in. The sound chip is soaked in electrolyte when I first got...
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MMark_W replied to the thread MaxPlus by MacMemory upgrade.There's one for sale on ebay right now: https://www.ebay.com/itm/326859293571 Seems like it's used to combine 4x256kb sticks into a...
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MMark_W replied to the thread 84V Mod on Color Classic - Thick light gray bars.Not necessarily since all 3 voltages come from the same transformer and they are tied together. I just measure them to confirm the other...
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MMark_W replied to the thread 84V Mod on Color Classic - Thick light gray bars.Yeah it's kinda tricky to do it with analog board installed, what I did is measure voltage, pull analog board out, make very small...
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MMark_W replied to the thread 84V Mod on Color Classic - Thick light gray bars.Agree with what @jonschultz said before regarding B2 voltage. Also first thing you need to do before adjusting geometry is to adjust the...
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MMark_W replied to the thread Performa 575 Whining/Squealing noise, analog board.Have you reflowed all solder joints yet? That will rule out connection issues. if so then I guess you have the same bad transformer as I...
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MMark_W replied to the thread Performa 575 Whining/Squealing noise, analog board.Ah yes I had the same issue on my LC520 (shares the same chassis as LC550/575 other than the caddy CD drive). Got the machine in...
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MMark_W replied to the thread Classic II (early 4-ROM) black screen - RESET held low, no 15.7 MHz clock from EAGLE.If you've already checked voltage and clock signal on Egret, then it could be a dead EGRET chip. iirc on classic ii Egret chip is...