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Apple II ntsc crystal

3 replies [Last post]
August 18, 2012 - 9:27am
mjnurney
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Joined: May 18 2012
Posts: 36

hi

I'm after an Apple II crystal (NTSC) i having trouble finding one in the UK. I'm converting my PAL machine to NTSC and the best i can get i washed out pale colours...14,3181 MHz
anyone?

thanks

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August 18, 2012 - 1:37pm
#1
Mike WIllegal
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Joined: Jun 5 2008
Posts: 185
Re: Apple II ntsc crystal

If you are getting colors at all, that means the receiver is locking on the color burst, so your frequency is most likely within margin and your problem is probably elsewhere.

best crystal I have found for the purpose is:

XT9UNLANA14M31818
Vishay Crystals
14.31818MHz series

Unfortunately they are no longer in production. Best source might be a scrap A2 motherboard that was configured for NTSC. If you are absolutely stuck, drop me a direct email, and I may be able to help you.

Regards,
Mike W.

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August 18, 2012 - 2:59pm
#2
mjnurney
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Joined: May 18 2012
Posts: 36
Re: Apple II ntsc crystal

thanks mike.

i'll drop you an email.

mike.

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August 18, 2012 - 2:59pm
#3
mjnurney
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Joined: May 18 2012
Posts: 36
Re: Apple II ntsc crystal

thanks mike.

i'll drop you an email.

mike.

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