Broken 7800... Will not run 7800 games but will run a few 2600 games

[SIO2]

 

Not sure where others get them but I love ordering sockets and other parts from arrow.com. Cheap, and free next day shipping! (Netherlands will take a few days but still free shipping).

 

going only by Shawn's picture, it seems this is what you would need:

 

3 of these:

https://www.arrow.com/en/products/ar24hzl7-tt/assmann-wsw-components-inc

 

3 of these:

https://www.arrow.com/en/products/ar40hzl-tt/assmann-wsw-components-inc

 

1 of these:

https://www.arrow.com/en/products/sa486000/on-shore-technology

 

Assmann sockets? Is this legit?

[john_q_atari]

 

Assmann sockets? Is this legit?

 

Why wouldn't it be? I ordered some Assmann sockets myself and plugged 'em in to a board real good.

 

(I've ordered 40 pin assmann sockets from Arrow before and used them in an electronics project to good effect.)

[Shawn]

 

Assmann sockets? Is this legit?

 

You will have much better contact with this type of socket and they are much easier to put chips in and remove from when needed also:

 

https://www.digikey.ca/product-detail/en/on-shore-technology-inc/ED40DT/ED3048-5-ND/4147604

 

[john_q_atari]

From what I understand:

 

machine sockets (the links I posted earlier):

• more contact area with the leads and better chip retention. ( https://en.wikipedia.org/wiki/Chip_creep )
• can solder both sides of the board with a machine socket which some people find useful

 

dual wipe:

• higher number of insert/removal cycles

 

But buy whatever you like. If you buy dual wipe sockets I personally would stick to TE or AMP for the manufacturer. (maybe there are other good manufacturers?)

Edited October 5, 2018 by john_q_atari

[+DrVenkman]

From what I understand:

 

machine sockets (the links I posted earlier):

• more contact area with the leads and better chip retention. ( https://en.wikipedia.org/wiki/Chip_creep )
• can solder both sides of the board with a machine socket which some people find useful

 

dual wipe:

• higher number of insert/removal cycles

 

But buy whatever you like. If you buy dual wipe sockets I personally would stick to TE or AMP for the manufacturer. (maybe there are other good manufacturers?)

 

When I restored a 1200XL a year or so ago, I ended up having to replace three 40-pin sockets that had failed wipes due to corrosion (ugh!). I used Uxcell sockets - very well-made and 1000% better than the super-cheap single-wipe sockets Atari used for most of their socketed chips originally.

[MMarcoux66]

I ordered the Assmann ones yesterday. Hopefully will get them in next week. Might just pull the TIA and RIOT chips at first and then take the ones from a 2600 to see if that is the issue before I buy the set from Shawn.

[MMarcoux66]

I found another 7800 to play with so I just put the broken one up on eBay clearly stating the problem in my auction. I am not going to have time to work on it and hopefully someone will. I did buy the sockets, so I will hold them if one of my 7800s stops working. Thanks for all the tips.