(Topic ID: 208331)

Gottlieb System 1 Genie can’t retain high scores

By Pinballflare

2 years ago

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  • 39 posts
  • 7 Pinsiders participating
  • Topic is favorited by 2 Pinsiders


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#3 2 years ago

I will be following this.
I have a Solar Ride that does the same thing. But add in the fact that it wont hold more then one credit either.
I have already put in a new 5101 chip and battery holder but no luck.

#9 2 years ago
Quoted from german-pinball:

This NVRAM does NOT work in Gottlieb System1!!!

Thanks. That is what I was told by the NVram people as well.

#13 2 years ago

I am not trying to hijack this thread, but since we have the same issue I hope the original poster does not mind.
So far I have installed a new 5101 chip. New cap at c24 and checked for steady 5 volts at pin 22 of Z22 as well as pins 7 and 9 of Z2. I also reset memory on settings 1-10.
But the game refuses to remember high scores or hold credits even though 5 volts are perfect across all test points.

#17 2 years ago
Quoted from Pinballflare:

I can answer for me. I have the 4.2 volts or so, but the problem isn’t keeping the high score, the problem is it is not writing the high score to the ram. When going into audits, everything is 000000. I would set all the scores and high score in 7-10 use the slam switch to get out of the audits then go directly back in and 7-10 is 000000 again. Every game played indicates you beat the high game since it keeps the high game at 000000 and knocks three times. And it doesnt matter if you beat the previous game because it keeps comparing to 000000.

Exact same issue here Pinballflare.
Every score I get becomes the high score for the day.

#19 2 years ago
Quoted from acebathound:

I'll have some of the Gottlieb System 1 NVRAM Modules built up early this week and get them available on the shopping cart. Behind on where I expected to be after getting rocked by a cold right after the New Year... finally 100% and getting my stamina back. What a pain. Life happens

Great news.
Hopefully it can solve this crazy issue.
Will this come with the two needed 11 pin SIP sockets?
Can't wait to give it a try.

#22 2 years ago
Quoted from acebathound:

It'll come with a 22p .400 dual wipe socket. I may have some sip socket strips around if you prefer.

That is fine.
I just noticed on Marco’s site that some NVrams came with them.
As long as it fits is all I care about. Lol
Thanks again for doing this.

#23 2 years ago

I got my 5101 ram from the guy that is aways set up in the little room at Pinburgh/ReplayFX.

#26 2 years ago
Quoted from CactusJack:

My Joker poker with NO ram or module plugged into the 5101 socket will:
Power up with zero credits
Power up with a HSTD of 000,000
Not hold entered replay levels when entered and then exited by using Slam.
Will go from 0 credits to 1 Credit with coin drop but will not advance past 1 with further coin drops.
So, it appears your board is not enabling the Ram when accessed. If it was enabling, but not writing, you would at least get back the random garbage that most 5101s will power up with when not cleared previously.

Well that does not sound promising.
You may be right. Hate to spend $50 on the chip but then have to buy a replacement board anyway.

#28 2 years ago

Where did you get the 4081 chip from?
This sounds very promising.

#31 2 years ago
Quoted from Pinballflare:

Note z1 is a 4081 chip for anyone reading this.

I edited the post where I transposed the middle numbers to avoid any confusion for others in the future.

#32 2 years ago

Got the IC chip and some other parts in a cart at Great Plains.
But of course with my luck they are closed till Friday. Lol.
So it will be a couple of weeks till my stuff arrives.

2 weeks later
#34 2 years ago

Great news on the NVRAM.

My Z1 IC chip finally arrive today after having Great Plains closed for a week and then getting lost at the post office on top of that. lol
I will get it installed and see if it fixes my issue like it did for pinballflare.

#35 2 years ago

Well I pulled my board out to change Z1 but noticed that I had an odd looking resistor that was clear as glass next to it.
First time I have seen a clear resistor.
So I got my meter out and put it on diode mode. It beeped like it was shorted out as did the one to it's left and it's right side.
Now I am by no means an expert, but is that how they should behave and look?
I took a photo below.
Did not bother to replace Z1 as the backside of the board where these 3 resistors/diodes are located is very black.
Think I should just replace the Z1 chip and see what happens or is that glass looking thing suspect? I can't read that part number on the online schematic but it has R156 and R157 to it's left and right.

#37 2 years ago
Quoted from CactusJack:

That is CR38 , a 3.5v zenor. You might need to lift one leg and recheck. It should read like a normal diode.

Thanks for the info.
I am going to replace the Z1 this afternoon as planned.
No need to create new issues in my head that may not even exist. Lol

#38 2 years ago

Had time at work so I replaced the Z1 chip.
Got these cool inline sockets that you can cut to size. No more having to stock lots of different size sockets. These take care of anything and fit in my tool kit easily.
Simply genius!!!
How have I been living without these. Lol
Anyway here are a few picks of the process.
(Middle two pics got out of order)
Can’t test it till later tonight though.

DF388E5D-2745-412B-9B57-7032200990B5 (resized).jpeg
7F17DEE1-523E-47CF-B123-7F4893291E0B (resized).jpeg
21116C80-D8C9-41EE-BCB1-DC111CC3B9EF (resized).jpeg
E5EF127D-11B5-4040-9941-A450D20A729D (resized).jpeg

#39 2 years ago

And........No dice.
Game still refuses to keep high scores or rack up credits.
May have to break down and get a Pascal board and sell this one.
Hate to do that though.

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