2600 Composite mod

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exxos
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Re: 2600 Composite mod

Post by exxos » Wed Apr 17, 2019 12:58 am

Its been over a year since this project was started. I'm going to try and get this project finished in the near future. I've found a few of the bits yesterday.. Still need to find the PCBs.. So might have to order some again. I really want to get my 2600 back together and have some fun with it :)
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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rubber_jonnie
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Re: 2600 Composite mod

Post by rubber_jonnie » Wed Apr 17, 2019 9:06 am

Funnily enough, I still have this project on the books, I'd better dig it out and get on with it myself.
Collector of old Atari things:
800XL + Ape Warp mod, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg) + Gotek, 1040STFM + Vortex ATOnce + Gotek, 1040STF long button floppy, 4160 STE with Gotek and ROM switcher, 4160STE with 32Mhz booster, ROM switcher and CosmosEx, not to mention various bare ST boards for testing including a PAK 68/2 :)
Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk

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zack4mac
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Re: 2600 Composite mod

Post by zack4mac » Wed Apr 17, 2019 9:17 am

I have just bought set of boards for composite mod but look nothing like this,
using
3.3K , 2.2K resistor and 2N3904
nothings ever simple! :?:
Atari 2600, XEGS, STF/FM/E MSTE/TT CBM 16/64 VC20 PET A500, 600, 1200, BBC B, ZX81, ZX +3 Harlequin ZXuno plus too much junk to fit in one skip! :roll: my username should be Mr Hoarder.

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Re: 2600 Composite mod

Post by rubber_jonnie » Wed Apr 17, 2019 9:25 am

zack4mac wrote:
Wed Apr 17, 2019 9:17 am
I have just bought set of boards for composite mod but look nothing like this,
using nothings ever simple!
3.3K , 2.2K resistor and 2N3904
:?:
I've built these using veroboard, they work well enough, but time to get on with the exxos one :)
Collector of old Atari things:
800XL + Ape Warp mod, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg) + Gotek, 1040STFM + Vortex ATOnce + Gotek, 1040STF long button floppy, 4160 STE with Gotek and ROM switcher, 4160STE with 32Mhz booster, ROM switcher and CosmosEx, not to mention various bare ST boards for testing including a PAK 68/2 :)
Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk

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exxos
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Re: 2600 Composite mod

Post by exxos » Wed Apr 17, 2019 6:45 pm

rubber_jonnie wrote:
Wed Apr 17, 2019 9:06 am
Funnily enough, I still have this project on the books, I'd better dig it out and get on with it myself.
So many projects and so little time :( I want to close up all these unfinished projects so I can just concentrate on the remake motherboard.
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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exxos
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Re: 2600 Composite mod

Post by exxos » Wed Apr 17, 2019 9:32 pm

Found the PCB with parts listed..

There are a couple resistors I am not sure about at the bottom.. more of a "suck it and see" type thing. So some experimentation needed no doubt.

2600a2.png
2600a2.png (95.84 KiB) Viewed 686 times
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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PhilC
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Re: 2600 Composite mod

Post by PhilC » Wed Apr 17, 2019 9:46 pm

I've got a couple of 2600s lined up for when you've finished :D
If it ain't broke, test it to Destruction.

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Re: 2600 Composite mod

Post by rubber_jonnie » Wed Apr 17, 2019 10:02 pm

exxos wrote:
Wed Apr 17, 2019 6:45 pm
rubber_jonnie wrote:
Wed Apr 17, 2019 9:06 am
Funnily enough, I still have this project on the books, I'd better dig it out and get on with it myself.
So many projects and so little time :( I want to close up all these unfinished projects so I can just concentrate on the remake motherboard.
Yeah, pretty much sums it up for me too!
Collector of old Atari things:
800XL + Ape Warp mod, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg) + Gotek, 1040STFM + Vortex ATOnce + Gotek, 1040STF long button floppy, 4160 STE with Gotek and ROM switcher, 4160STE with 32Mhz booster, ROM switcher and CosmosEx, not to mention various bare ST boards for testing including a PAK 68/2 :)
Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk

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exxos
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Re: 2600 Composite mod

Post by exxos » Thu Apr 18, 2019 7:47 pm

I have hunted high and low, and I cannot find these PCBs :( , so I will have to order them again, which means another month wait :roll:
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.

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PhilC
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Re: 2600 Composite mod

Post by PhilC » Thu Apr 18, 2019 7:50 pm

You need a various pcb box. Icky probably has a label you could use once you've got one.
If it ain't broke, test it to Destruction.

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