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Author Topic: CDTV no display issue  (Read 5863 times)

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Offline arttu80

Re: CDTV no display issue
« on: November 24, 2011, 06:58:53 PM »
Quote from: jrtolson;668131
i have read thread on bypassing the video module.. even downloaded the pic? but i aint got no idea on how to go about that?


Hi!

Bypassing that module is really simple, if you have some sharp tip soldering iron at your disposal. Just make jumper wires according to picture I posted in my topic. All mentioned pins are soldered in pairs and are located on same row and each pin pair is neighboring to each other. So solder one pin pair at a time and remember to remove video module BEFORE powering up. The ribbon cable I used isn't necessary at all, but it's lot cleaner than just plain jumper wires and I used DIP-switches if I ever connect video module or some expansion in that slot.

Please take a look at more hi-res pic on link below, hope it helps.--->

http://aijaa.com/v.php?i=004399112626.jpg

I even draw simplified jumper "diagram" for ya. Sorry if it appear lame, but it's clearer than water in my toilet! ;)
 

Offline arttu80

Re: CDTV no display issue
« Reply #1 on: December 18, 2011, 09:10:29 PM »
I'm very glad my little hack was of help to you. It's always a good thing to have one more Amiga machine resurrected. I must say, that you were a man on a mission with this one! ;)

As for question about jumpering some Sync -signals, I just studied schematics and jumpered only ones wich lines were interrupted on Video Module connector (CN10). But as I see it, you were succesful with your soldering iron. Hope you can solve other problems with your machine. As for sound problem I suspect old caps. And you should measure voltages on your CD -drive connector just to be sure. Just download Service Manual from this fine gentleman --->

http://www.bombjack.org/commodore/amiga/amiga-commodore/CDTV_Service%20Manual_400403-01_%281991_May%29.pdf

and you will succeed! :)