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c0pperdragon / C64-Video-Enhancement

Component video modification for the C64 8-bit computer
MIT License
257 stars 36 forks source link

CMOS or NMOS? #77

Closed pushead closed 2 years ago

pushead commented 2 years ago

Hi,

Hope I can get some advice from you:)

I'm going to install the RF modulator replacement for my C64C. But although this is a C64C is does have the longboard (assy 250466) and have the nice VIC-II 6569R5. But I'm not quite sure if this is a NMOS or CMOS? I beleive I need to know this in order to solder the JPLUM1 or not?

All the best!

laubzega commented 2 years ago

It's NMOS.

On Wed, Dec 22, 2021, 10:55 PM pushead @.***> wrote:

Hi,

Hope I can get some advice from you:)

I'm going to install the RF modulator replacement for my C64C. But although this is a C64C is does have the longboard (assy 250466) and have the nice VIC-II 6569R5. But I'm not quite sure if this is a NMOS or CMOS? I beleive I need to know this in order to solder the JPLUM1 or not?

All the best!

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c0pperdragon commented 2 years ago

The long boards run with the higher voltages (all VICs with a number starting with a "6"). So you need to close the solder bridge in order to get propper luma levels. If you don't do this, nothing bad will happen, only giving you unusual luminance intervals on the image.

pushead commented 2 years ago

Ah, I see! Thanks for helping me!

Have a nice holiday!

tor. 23. des. 2021 kl. 15:50 skrev c0pperdragon @.***>:

The long boards run with the higher voltages (all VICs with a number starting with a "6"). So you need to close the solder bridge in order to get propper luma levels. If you don't do this, nothing bad will happen, only giving you unusual luminance intervals on the image.

— Reply to this email directly, view it on GitHub https://github.com/c0pperdragon/C64-Video-Enhancement/issues/77#issuecomment-1000353815, or unsubscribe https://github.com/notifications/unsubscribe-auth/AIBD5NKCD26ATGKOYVC2LPLUSMZL7ANCNFSM5KUDUUMQ . Triage notifications on the go with GitHub Mobile for iOS https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675 or Android https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub.

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