+hueyjones70 #51 Posted January 26 In an earlier post I mentioned that I had performed the SuperVideo 2.1 upgrade to a 1200XL and it didn't work out. I did go back over my work and I even reinstalled the parts that were taken out. I did not use the old parts but installed new capacitors, resistors, etc. When I finished, I still had no video so I went back to the SV 2.1 and performed all of the steps again. NO VIDEO/NO BOOT Then I installed the UAV and everything works with the UAV just as it should. I am attaching a picture just in case someone with SV 2,1 experience might take a look to see if there is anything obvious such as wrong part removed and/or replaced. Quote Share this post Link to post Share on other sites
_The Doctor__ #52 Posted January 26 (edited) something is missing... Edited January 27 by _The Doctor__ Quote Share this post Link to post Share on other sites
_The Doctor__ #53 Posted January 27 you mean other than not putting the chip back in at u27? cd 4050 b without which video is a mess... Quote Share this post Link to post Share on other sites
+kheller2 #54 Posted January 27 Are you using the original source material? And you have the CV switch in the proper position for CV or SV? SuperVideo 21XL oraz errata.pdf Quote Share this post Link to post Share on other sites
+hueyjones70 #55 Posted January 27 I have a UAV installed, I removed it for the picture. I chose not to install the CV disable switch. Quote Share this post Link to post Share on other sites
Gunstar #56 Posted January 27 2 hours ago, hueyjones70 said: In an earlier post I mentioned that I had performed the SuperVideo 2.1 upgrade to a 1200XL and it didn't work out. I did go back over my work and I even reinstalled the parts that were taken out. I did not use the old parts but installed new capacitors, resistors, etc. When I finished, I still had no video so I went back to the SV 2.1 and performed all of the steps again. NO VIDEO/NO BOOT Then I installed the UAV and everything works with the UAV just as it should. I am attaching a picture just in case someone with SV 2,1 experience might take a look to see if there is anything obvious such as wrong part removed and/or replaced. I'll take a look at my SV 2.1 upgrade for you tomorrow and compare. It's been quite a few years now...but mine works perfectly and did the first time I tested it. Quote Share this post Link to post Share on other sites