Latest activity
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Please can you read through and vote on the following proposition for changes to the board structure by clicking here.
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I had a mostly working eMate that needed a hinge repair and was not recognizing touch events. I rebuilt the hinges and replaced the...
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DatMac replied to the thread Color Classic Flyback Replacement from LC5xx.How is it since you did this? is it still working good? I have my CCII i recapped but it likes to arch and loose HV every now and then... -
MMark_W replied to the thread (2) Macintosh SE/30's - Full Restoration.I took another look at the repair guide: And on page 46 the scope shows square wave with 50% duty cycle, and its measurement is indeed...
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GreenBar0n replied to the thread (2) Macintosh SE/30's - Full Restoration.Regarding only getting 1.305MHz at A(2) Pin 4 - when the ROM is removed: I think the Simasima Repair Guide was stating what the... -
Trash80toG4 replied to the thread Official Tinker Different Poll: Board Size Reduction.Aye! 3+2=5 in the decision making process is a very workable number. We had a larger board of directors/officers at NYMUG back in the... -
NNJRoadfan replied to the thread Apple ][ Card Audio Characteristics.The speaker jack on a real Apple II has +5v on one pin and the other pin is the sound output from TTL logic routed thru a bunch of...
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Pphipli replied to the thread Apple ][ Card Audio Characteristics.I appreciate the thoughts, but there are still several options, that isn't a show stopper. I could for example, remove R899, or, as I am...
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NNJRoadfan replied to the thread Apple ][ Card Audio Characteristics.Other than R899, which appears to be a pull up resistor. That may be a show stopper from using this pin as-is.
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Pphipli replied to the thread Apple ][ Card Audio Characteristics.Pretty basic - it mirrors the signal coming out of the DFAC for the host's sound on the LC and LC II. Blue is straight out of the DFAC...
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NNJRoadfan replied to the thread Apple ][ Card Audio Characteristics.What does the circuit look like between the PDS slot pin and the audio output? Its likely it attenuates the 5V TTL signal down to line...
