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Mac LC Woes [message #394048] Tue, 05 May 2020 23:18 Go to next message
William Stillwell is currently offline  William Stillwell
Messages: 29
Registered: June 2016
Karma: 0
Junior Member
Anybody have any suggestions? I have a LC i just did a full cap kit on (
Logic and PSU ) it now boots, but no keyboard or mouse input, I have
confirmed 5v is going out the ADB port to the Keyboard.

Also, Anybody have an Performa/LC575 Case? I do not need the internals..
Mine shattered in a horrible accident bringing home from a Retro Computer
Event.


William Stillwell

Board Member - Inspiration labs, Inc. a 501c3 organization

Board Member & Co-Founder - Byte Amusement Group // Free Play Florida
Arcade & Pinball Show a 501c3 organization

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Re: Mac LC Woes [message #394049 is a reply to message #394048] Tue, 05 May 2020 23:19 Go to previous messageGo to next message
Chris Hanson is currently offline  Chris Hanson
Messages: 23
Registered: September 2017
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Junior Member
Is your ground good? Do you have continuity on the data line?

-- Chris

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Re: Mac LC Woes [message #394050 is a reply to message #394048] Tue, 05 May 2020 23:20 Go to previous messageGo to next message
mike stedman is currently offline  mike stedman
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Registered: August 2012
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Junior Member
On the LC 1 I just did, the 2200uf through hole cap stuck to the scsi
controller chip had shot a ton to goo onto the ADB traces and ate them
away. I had to run patch wires from the EGRET. Power was fine but not data.

Bomarc schematics for the LC II were correct for me to identify which EGRET
pins to test from.

On Tue, May 5, 2020 at 21:18 William Stillwell <ki4swy@gmail.com> wrote:

> Anybody have any suggestions? I have a LC i just did a full cap kit on (
> Logic and PSU ) it now boots, but no keyboard or mouse input, I have
> confirmed 5v is going out the ADB port to the Keyboard.
>
> Also, Anybody have an Performa/LC575 Case? I do not need the internals..
> Mine shattered in a horrible accident bringing home from a Retro Computer
> Event.
>
>
> William Stillwell
>
> Board Member - Inspiration labs, Inc. a 501c3 organization
>
> Board Member & Co-Founder - Byte Amusement Group // Free Play Florida
> Arcade & Pinball Show a 501c3 organization
>
>
> --
> --
> -----
> You received this message because you are a member of the Vintage Macs
> group.
> The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our
> netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
> To post to this group, send email to vintage-macs@googlegroups.com
> To leave this group, send email to
> vintage-macs+unsubscribe@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/vintage-macs
>
> Support for older Macs: http://lowendmac.com/services/
> ---
> You received this message because you are subscribed to the Google Groups
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> < https://groups.google.com/d/msgid/vintage-macs/CADewWKU%2BxG -wFBRQ86qyVmnjp2Eszfdas1tQRVmhBxd_N73LQw%40mail.gmail.com?ut m_medium=email&utm_source=footer>
> .
>
--
Mike

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Re: Mac LC Woes [message #394051 is a reply to message #394049] Tue, 05 May 2020 23:21 Go to previous message
William Stillwell is currently offline  William Stillwell
Messages: 29
Registered: June 2016
Karma: 0
Junior Member
Yep, All the way pas the inductor, everything seems .. Can't find an
schematic for the LC, but LCII and LCIII and compared circuit and seems to
be ok, no cap damage in the area, the EGRET chip was pretty soaked.. but
looks fine after a good cleaning..

William Stillwell

Board Member - Inspiration labs, Inc. a 501c3 organization

Board Member & Co-Founder - Byte Amusement Group // Free Play Florida
Arcade & Pinball Show a 501c3 organization




On Tue, May 5, 2020 at 11:19 PM Chris Hanson <cmhanson@eschatologist.net>
wrote:

> Is your ground good? Do you have continuity on the data line?
>
> -- Chris
>
> --
> --
> -----
> You received this message because you are a member of the Vintage Macs
> group.
> The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our
> netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
> To post to this group, send email to vintage-macs@googlegroups.com
> To leave this group, send email to
> vintage-macs+unsubscribe@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/vintage-macs
>
> Support for older Macs: http://lowendmac.com/services/
> ---
> You received this message because you are subscribed to the Google Groups
> "Vintage Macs" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to vintage-macs+unsubscribe@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/vintage-macs/B93D8DA0-9DBD -408D-93BF-12E8F4579A16%40eschatologist.net
> .
>

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You received this message because you are a member of the Vintage Macs group.
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