Search found 5 matches

by Durgan
Sat Jul 24, 2010 10:34 am
Forum: 1980's Gaming
Topic: 4-switch 2600 Composite Video mod help
Replies: 8
Views: 7002

Re: 4-switch 2600 Composite Video mod help

Are you speaking of the one on AtariAge (http://www.atariage.com/2600/faq/index. ... #composite)? Or are you thinking of one that doesn't have ICs perhaps?
by Durgan
Sat Jul 24, 2010 9:32 am
Forum: 1980's Gaming
Topic: 4-switch 2600 Composite Video mod help
Replies: 8
Views: 7002

Re: 4-switch 2600 Composite Video mod help

Could you point me to a new mod I might try? I know you offer one for purchase, but I was looking for something cheaper. I'd also prefer not to have to get ICs. There's gotta be a simple method like that that would work.

Otherwise I was thinking about trying Ben's method again but with varistors ...
by Durgan
Wed Jul 14, 2010 3:56 am
Forum: 1980's Gaming
Topic: 4-switch 2600 Composite Video mod help
Replies: 8
Views: 7002

Re: 4-switch 2600 Composite Video mod help

Hmm. I remember that when I first tested it, the sync was not yet connected. I wonder if that could have damaged or tweaked the tia chip. I know that transmitters and some audio equipment can be damaged if activated without a load. Maybe I could try replacing the chip....

Edit: Tried replacing it ...
by Durgan
Mon Jul 12, 2010 7:47 pm
Forum: 1980's Gaming
Topic: 4-switch 2600 Composite Video mod help
Replies: 8
Views: 7002

Re: 4-switch 2600 Composite Video mod help

Right, it's an interlaced signal (a property of just sync, not luma or anything else, I assume?) so I'm sure it would. I'm testing on a Samsung CRT (model TXN2726X/XAA). And as I said, it worked on this before the mod.
by Durgan
Tue Jul 06, 2010 6:48 pm
Forum: 1980's Gaming
Topic: 4-switch 2600 Composite Video mod help
Replies: 8
Views: 7002

4-switch 2600 Composite Video mod help

Prelude:
After a little looking around I decided to do this simple mod here . The values were strange but after a while I found combinations of resistors (using serial and parallel combinations) I have to give me the exact values that were called for. I double-checked the values of each set of ...