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(Topic ID: 134890)

I Killed Superman


By Pintoxicated

5 years ago



Topic Stats

  • 30 posts
  • 10 Pinsiders participating
  • Latest reply 2 years ago by Pintoxicated
  • Topic is favorited by 6 Pinsiders

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#1 5 years ago

Hi All,

I have been fearing this day for a few years now, I killed Superman and don't know how to revive him.

I was having a few issues with the machine so I decided to reseat all the connectors on the PCBs. The machine was turned OFF but was still plugged in and the power was on at the wall. As I was reseating the power connector on the lower left of the processor board, it has come into contact with the foil cardboard behind the board which resulted in a spark and pop. I located two ICs at H3 and H4 that I thought were the ICs that touched the cardboard. They tested bad and I have since replaced them. I tried the machine again and all I have is GI lights and a zero in each display. LEDs 1, 2, 3 and 4 are NOT lit on the processor board.

Does anyone have any idea where or what else I should be testing further up the line that has obviously been fried please?

Last option, does anyone know of a working processor board for sale if I need to go down that track?

Thanks in advance.

#3 5 years ago

Thanks for that. It gives me somewhere to start. If anyone else has done something similar I would be happy to hear about it.

9 months later
#4 4 years ago

I have got some spare time on my hands at the moment and I would really like to try to get my Superman machine going again. It seems many of the ICs are either impossible or difficult to find.

Any Atari Sys 2 MPU boards for sale anywhere perhaps?

Apart from blindly replacing what ICs I can in the hope that I fluke it and replace the right one, has anyone got any other thoughts?

#7 4 years ago
Quoted from ForceFlow:

You'll have an easier time finding hen's teeth.
What chips are you looking for?
Keep in mind, the issue you have might not even be chip related. Could be cracked solder joints, broken traces, or voltage that is too low.
Did you try contacting John Robertson at flippers.com? He repairs these boards and might be able to give you some direction.
Also try posting over at RGP as well. There might be a few folks somewhat familiar with repairing this boardset.

Yeah I know anything related to this board is going to be difficult.

Solder joints are good, most have been reflowed, traces appear good. The actual board itself looks in good condition overall. I am concentrating on the ICs seeing as the machine was working fine until I shorted the back of the board out on the metallic cardboard in the backbox. It shorted around H3 and H4. I have replaced a few ICs around that area in the hope that the damage was confined to those ICs but it is looking like there is obviously damage further up and down the line. I have attached a few pics of the board.

I will get in touch with John and see if he might have any ideas. I ended up closing the machine up and walking away from it in disgust with myself knowing I had killed it and how hard it would be to repair.

The ICs I don't have or am having difficulty finding are -

74LS253N (A4, B4, C4, D4)
CD4066BCN (L4)
SN74161N (K3)
74S570N (J3)
74LS164N (N4)
74LS393N
74LS160N (R2)
74LS04N (P2)
74LS86N (R4)

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#8 4 years ago
Quoted from Quench:

Have you done the finger test on the ICs to see if any/many get hot really quickly?

No I haven't tried this trick yet, I wasn't aware of it to be honest.

Just tried it, no ICs getting hot.

All I have on is the power light. L1-L4 are all off.

#13 4 years ago
Quoted from Quench:

Your best bet for electronic parts in Oz is rs components. Best part is they do free shipping with no minimum buy.
http://au.rs-online.com
They have these:
74LS164 --> 74LS164
74161 --> 74LS161
CD4066 --> CD4066 or 74HCT4066
74LS253 --> 74HC253
74LS393 --> 74LS393
74LS04 --> 74LS04
74LS86 --> 74LS86
Hard to know if the substitutes will work properly though.
Like ForceFlow said, it could literally be every chip that's gone worst case.
Are you at least getting correct power-supply voltages?
Also try contacting user Skybeaux on AussiePinball or AussieArcade forums who is your local respected board repair guy.

Thanks for that. I do use RS for parts. I really don't know how they make any money on some sales but their free shipping is awesome.

I know Ken/Skybeaux very well and he is very adamant he will NOT touch Atari boards

1 year later
#20 3 years ago
Quoted from Casinorun:

Did you ever fix your Superman?

No it hasn't been fixed as yet. I do need to bite the bullet and send the board to the US to have someone look at it.

#21 3 years ago
Quoted from ahdelarge:

Yes, did you fix it???

No. Gonna have to send it overseas which i am scared to do.

#25 3 years ago
Quoted from Raff:

what state in aussie are you in

On the NSW/Vic border in Albury.

#26 3 years ago
Quoted from Casinorun:

Send it to John Robertson in B.C Canada, look up "John Jukes".

I have been in touch with John. I will check a few things first and if I don't do any good I will probably have to send it over when I get some $$$ together.

7 months later
#30 2 years ago
Quoted from dluth:

Try John Dyason at Flipper Style Amusements in Melbourne. He's worked on a Superman recently I believe and is good with boards.

Thanks, I have sent John an email.

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