Re: Early TED/Plus4/C116 Schematics

From: billdegnan_at_gmail.com Date: Sun, 8 Sep 2013 20:43:53 +0000 Message-ID: <522ce26e.a2c6ec0a.2467.ffff94be@mx.google.com>

I noticed that after the system cooled down the TED worked again, so I need to determine if it’s purely heating or some other issue.

Sent from Windows Mail

From: Rob Clarke
Sent: ‎Saturday‎, ‎September‎ ‎7‎, ‎2013 ‎4‎:‎32‎ ‎AM
To: cbm-hackers@musoftware.de

I assumed from your posting on vintage forum that you'd fixed it by replacing the TED?

On 07/09/2013 05:36, billdegnan@gmail.com wrote:

Bil.

Thank you. I just last week upgraded my c-116 to 64K and NTSC using notes from an old post on cbm-hackers list.  Having a bit of weirdness with the TED chip and joystick latching (I think).  I think the TED chip is overheating.  Works most of the time, loads most all Plus / 4 software I have but occasionally the joystick does not respond correctly, after a period of use.  Trying to decipher what’s what.  Thesec-116 drawings may be useful to help me out.

Bill Degnan

From: Bil Herd
Sent: ‎Friday‎, ‎September‎ ‎6‎, ‎2013 ‎10‎:‎43‎ ‎PM
To: cbm-hackers@musoftware.de
Cc: owner-cbm-hackers@musoftware.de

30 year old schematics for early TED.  Will probably have better contrast on
the greyscales tomorrow.
http://c128.com/ted-drawings-1980s

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