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Author Topic: GOTTLIEB SYSTEM 80  (Read 3224 times)

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Offline ddstoys

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GOTTLIEB SYSTEM 80
« on: March 05, 2009, 05:14:07 PM »
Hi
          Are system80b pinball machines any good to work on? Or do they have major problems?  Ive offered to try fix one for a friend and just found out what machine it is. 
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Offline Strangeways

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Re: GOTTLIEB SYSTEM 80
« Reply #1 on: March 05, 2009, 09:26:24 PM »

System80 machines need a few mandatory ground mods. Once they are done, the machine is VERY reliable. Check out the guides on Marvin's site;

http://www.marvin3m.com/fix.htm

Plenty to check out - especially the system 80 repair guides.

I really like working on system 80s !

what's the problem with the machine - and what is the title, Daniel ?
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Offline The pinballist formally known as Dean Morgan

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Re: GOTTLIEB SYSTEM 80
« Reply #2 on: March 05, 2009, 09:28:03 PM »
Pretty easy to work on, shouldnt be to hard to fix.  Any troubles post your quiery here and I or someone else should be able to assist
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Im a Gottlieb Man - System 1 & 80 Rock

Offline pinnies4me

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Re: GOTTLIEB SYSTEM 80
« Reply #3 on: March 05, 2009, 09:33:55 PM »
As Nino says, once the grounding is sorted they are bullet proof. I did a Black Hole three or four years ago and in all that time the only problem was a single chip failing soon after the ground work was done, and it's been faultless since. If your mate is local I'd be happy to lend a hand if you like.
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Offline ddstoys

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Re: GOTTLIEB SYSTEM 80
« Reply #4 on: March 06, 2009, 12:38:25 AM »
Hey Nino dont get excited its not a haunted house lol Its called Rock  Dont know the problem i havnt even seen it yet the guy will drop it off Sunday.  I did check out Marvin3m as always a fantastic site doesnt look like any different to any other pin really just test and replace. But if i get stuck ill definately ask
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Offline Strangeways

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Re: GOTTLIEB SYSTEM 80
« Reply #5 on: March 06, 2009, 07:21:43 PM »
Quote from: ddstoys on March 06, 2009, 12:38:25 AM
Hey Nino dont get excited its not a haunted house lol Its called Rock  Dont know the problem i havnt even seen it yet the guy will drop it off Sunday.  I did check out Marvin3m as always a fantastic site doesnt look like any different to any other pin really just test and replace. But if i get stuck ill definately ask
That's ok Daniel - No matter what the title is - They are fun to work on !
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Offline ddstoys

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Re: GOTTLIEB SYSTEM 80
« Reply #6 on: March 06, 2009, 10:43:54 PM »
Yeah im looking forward to tackling a new system.
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Offline ddstoys

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Re: GOTTLIEB SYSTEM 80
« Reply #7 on: March 08, 2009, 04:48:08 PM »
Well the ROCK pinball has arrived ive been through the marvin guide testing the coils all the rectifiers etc but as for testing the power supply im stuck.  Ive tested the 5v supply which is fine but there doesnt seem to be a power supply board for the other voltages?  Marvins says about system 80 and 80a  but to me it read 80b only uses the 5v supply?

 Any ideas?

 Plus everyboard in the backbox were brocken of there mounting points id say its been dropped but on a good note there was no battery and no sign of acid damage yipee
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Offline slammer

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Re: GOTTLIEB SYSTEM 80
« Reply #8 on: March 08, 2009, 04:52:55 PM »
Is this the same ROCK that was on ebay 2 weeks agp?

Cheers Angelo

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Offline Strangeways

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Re: GOTTLIEB SYSTEM 80
« Reply #9 on: March 08, 2009, 05:05:00 PM »
Quote from: ddstoys on March 08, 2009, 04:48:08 PM
Well the ROCK pinball has arrived ive been through the marvin guide testing the coils all the rectifiers etc but as for testing the power supply im stuck.  Ive tested the 5v supply which is fine but there doesnt seem to be a power supply board for the other voltages?  Marvins says about system 80 and 80a  but to me it read 80b only uses the 5v supply?

 Any ideas?

 Plus everyboard in the backbox were brocken of there mounting points id say its been dropped but on a good note there was no battery and no sign of acid damage yipee

System 80b Power supply is not multi purpose. If 5 volts reads ok - then check the other voltages from the transformer board in the cabinet. If you read further on in Clays guide - You will find it there
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Offline ddstoys

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Re: GOTTLIEB SYSTEM 80
« Reply #10 on: March 08, 2009, 06:43:41 PM »
Well ive done all the ground mods. Coils get power when game over relay its pressed. Displays have voltage to the board and the 5v is to the cpu.  Going by clays its a dead cpu.  There is a section on replacing the reset circuit has any one done this?
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Offline ddstoys

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Re: GOTTLIEB SYSTEM 80
« Reply #11 on: March 09, 2009, 05:28:18 PM »
Ive just tested the reset circuit which seems to be working but noticed there is no chip in the prom1 socket should there be?
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Offline ddstoys

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Re: GOTTLIEB SYSTEM 80
« Reply #12 on: March 09, 2009, 06:34:07 PM »
Well ive followed the clays guide step by step with each test working till i get to the u4 Riot chip SWITCH MATRIX that may be the problem any idea where i can buy one of these?  Also the one in it gets hot is that a good sign its stuffed?
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Offline The pinballist formally known as Dean Morgan

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Re: GOTTLIEB SYSTEM 80
« Reply #13 on: March 10, 2009, 08:32:40 AM »
6532 RIOTs are availble from www.rockby.com.au

Stock No 19066

$28.99 each

EDIT:  Just noticed Mark C has them on the http://www.pinballspareparts.com.au/index.php?crn=1&start=2 web site and at only $16.00  Gettem from Mark for sure
« Last Edit: March 10, 2009, 08:56:34 PM by Dean Morgan »
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Im a Gottlieb Man - System 1 & 80 Rock

Offline ddstoys

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Re: GOTTLIEB SYSTEM 80
« Reply #14 on: April 28, 2009, 10:23:29 PM »
Well my new game rom arrived from PBR but sadly no improvement im really regretting taking this job on i have a few good machines waiting to be done when i get the space (SIMPSONS PF Rebuild) (STAR TREK repair) BUt i guess ill keep working away
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