SmakyTaky

Do you think this can be accomodated to fit an INTV 2? I have a couple their Power boards are broken. Are you planning on releasing the schematic/PCB design for others to work on it?

Since I was not abel to get any advise... I got another of these consoles and checked with it. I now has narrowed thew issue to the RF modulator as swaping the mainboards between the working one and the one with no video whenever using the RF modulator board that is faulty. Now.. I see this is a very simple circuit... with a transitor and an IC and several inductors and resistors.. so that's either the transistor or the IC gone bad... I am not sure if I am willing to risk trying to desolder components of the working one to test this theory... as I have not yet been able to device a way to composite mod this console, thus ending with two broken ones.

As I have been working on restoring a non-functioning Sears Tele-Games Hockey Pong that had very flimsy video, after cleanup I noticed RF video was extremelly noisy to a point where the TV would often drop the signal and state there was no signal. I noticed the RF connector was very corroded and the RF cable had continuity issues near the plug. So I replaced the RF connector on the RF board and the RF plug on the cable, but even with that, the signal did not improve. Even worse, at some point it simply stopped working with no signal being recognized by the TV. Since I was planning to do a composite mod anyways, I went ahead and researched a bit on doing composite mods to this console. I found several threads here in the forum for other AY-3-8500 based consoled (Telstar and others) where it was stated that the IC signals may be taken directly and combined to create the composite output. So for testing purposes I did that, took PIN 24 (Field and Score) and 16 (Sync Signal) directly from the IC and connected them to an RCA jack, with Ground comming from the mainboard's ground pin going to the RF module. Unfortunately, there nothing showing up on the TV, no signal is being recognized. So I am wondering if there is something else that needs to be done to enable composite output from this IC. Any help would be greatly appreciated.

Well if you decide to sell these, please let us know.

Could not find the board file in the shared archive... is that something you are willing to share?

Thanks.

Are these still available? I would like to order two.

I have got a couple on ebay: https://www.ebay.com/itm/173811028957?hash=item2877f1d3dd:g:9yQAAOSwQTRb54hE

Great... cannot wait for it! My two Cocos need a Keyboard!

Hi MrDave... any news on when the keyboards will be available?

Can't wait... two Cocos waiting for a keyboard!

Thanks... any clue on the size of the screws? I would like to put them there if at all possible.

This is my motherboard. The flux I mentioned before is gone as I have thoroughly cleaned it with IPA on both sides as I noticed lots of flux on it. I have already started to mod it for composite video (thus the missing RF modulator). Also replaced the push buttons as the original ones were somewhat faulty. Console works just fine, however, the cartridge sleeve is a bit loose without the screws.. just wondering the size they should be and probably I may be able to get something similar.

It seems so, as there was a lot of flux on all the pins of the cartridge port. I guess it was replaced at some point and probably that's when the screws were removed/lost. My concern is the cartridge sleeve is a bit loose.. every time I take a cartdrige out, I am worried I may end up pulling it out.

I have just bought a 7800 console to mod it for Composite video. The console has a loose cartridge cover as it is missing the two screws it should have. By any chance anyone knows the type and size of screws I should put there? Thanks.