Author Topic: Remember to change the batteries  (Read 1715 times)

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Offline beaky

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Re: Remember to change the batteries
« Reply #30 on: November 03, 2012, 01:49:24 AM »
that is strange,
the other thing it could be is a faulty battery holder (not contacting properly on one of the batteries)
did the replacement batteries come from the same batch / packet?

It's strange that your millionaire would be chewing threw the batteries as it spends a lot of time on so the batteries are not being used while it is on.
 
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Offline 48

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Re: Remember to change the batteries
« Reply #31 on: November 03, 2012, 03:31:34 AM »
Isn't there a diode that can go bad and allow the batteries to drain all the time on sys 11 games?

(Still not home  or I would look it  up for you)
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Offline Gruntis

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Re: Remember to change the batteries
« Reply #32 on: June 18, 2013, 02:24:18 PM »
Hey guys, new guy here $.$

Just wonding if anyone has tried the NVRAM adaptor instead of using batteries?

http://lockwhenlit.com/anyPin.htm

Any thoughts?  Just about to pick up my first pin  $#$ (a DESW) and considering this as an option to replace the batteries.

Cheers

Offline pinnies4me

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Re: Remember to change the batteries
« Reply #33 on: June 18, 2013, 02:27:25 PM »
I just ordered a couple but to be used to replace Capcom "Zeropower" RAM eventually when needed. Haven't tried them in other games, but a good idea.

I suspect our own Homepin could produce the same thing.

How about it Mike?

Hey guys, new guy here $.$

Just wonding if anyone has tried the NVRAM adaptor instead of using batteries?

http://lockwhenlit.com/anyPin.htm

Any thoughts?  Just about to pick up my first pin  $#$ (a DESW) and considering this as an option to replace the batteries.

Cheers
“If you wanna escape, go up to a pinball machine. There’s a magic button on the front that makes the whole universe disappear.”

Offline Homepin

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Re: Remember to change the batteries
« Reply #34 on: June 18, 2013, 02:42:05 PM »
I actually do have it to suit WPC - just haven't assembled too many up yet. They do work very well I have to say, I have one installed in my BSD.

One issue with WPC is that almost all boards have the original RAM soldered in place which means removing it and fitting a socket - that can be a pain and is the main reason I haven't pushed this project.

Shown in my machine here (the chip below the EPROM with the white tape):




I just ordered a couple but to be used to replace Capcom "Zeropower" RAM eventually when needed. Haven't tried them in other games, but a good idea.

I suspect our own Homepin could produce the same thing.

How about it Mike?

Hey guys, new guy here $.$

Just wonding if anyone has tried the NVRAM adaptor instead of using batteries?

http://lockwhenlit.com/anyPin.htm

Any thoughts?  Just about to pick up my first pin  $#$ (a DESW) and considering this as an option to replace the batteries.

Cheers
Replacement Pinball PCBs that remain faithful to the originals

Offline johnwartjr

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Re: Remember to change the batteries
« Reply #35 on: June 20, 2013, 05:31:56 AM »
NVRAM is a great option, as long as you are capable of fitting the replacement socket.

I don't know why, but the traces to the RAM socket on WPC MPUs seem to be some of the most fragile sockets ever.. so, be careful!

Offline Wiked

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Re:
« Reply #36 on: July 04, 2013, 06:27:48 AM »
Just have to find the time to fit NVRAM's to all of mine. Better yet Mike is doing it.

Offline Gruntis

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Re: Remember to change the batteries
« Reply #37 on: November 15, 2013, 07:39:04 AM »
Thought I'd resurrect this tread as I've just decided to purchase one of the NVRAM chips.
Found these on ebay (http://www.ebay.com.au/itm/190946708318?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649)
Bit of a cheaper option given that the lockwhenlit version cost $39 and another $25 for shipping to Aus.  The ones of ebay cost $42 posted  ^^^.

As my TSPP does see a lot of use (more due to work commitments and kids), changing the batteries is likely to slip my mind so thought this would be the cheaper option in the long run.

Offline joele

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Re: Remember to change the batteries
« Reply #38 on: November 15, 2013, 07:52:03 AM »
I have the nvram chips for my williams machines and also have the sockets, just working up the  courage to do the soldering..

Might take the board somewhere to get it done? I though somewhere like the mod chip shops (ozmodchips) would be used to fine soldering?
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Offline MartyJ

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Re: Re: Re: Remember to change the batteries
« Reply #39 on: November 15, 2013, 12:49:21 PM »
I have the nvram chips for my williams machines and also have the sockets, just working up the  courage to do the soldering..

Might take the board somewhere to get it done? I though somewhere like the mod chip shops (ozmodchips) would be used to fine soldering?

I would strongly recommend a professional for those.  Very very fine tracks on both sides.  Check with the sponsors or PM Skybeau

Offline Wiked

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Re:
« Reply #40 on: November 15, 2013, 02:10:33 PM »
Send them to Mike (Homepin) and he will do them and send them back. Can't recommend him enough.