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#Post#: 20563--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: stanmarsh14 Date: October 30, 2015, 9:42 pm
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Greetings from down the A52 from you @ Long Eaton.
Got a few machines myself, which run from a mid 70's BFM
Electromechanical (Almost as old as me, and I am 41 in a few
weeks), right through to a BFM Scorp4 machine, based on Horses
and Frankie Detori, with this very horses based machine up for
sale right now if anyone is interested :)
Welcome to pop down if needs be.
Do a lot of servicing and repairs myself, with most of the
support / advice coming from MPU Mecca
HTML http://www.fruitemu.co.uk/ib/
and here.
As others have said, better off buying from fellow collectors on
forums likes this (May cost more), as the general standard of
worthiness tends to be better than from sources like e-bay etc.
HTML https://youtu.be/GaoRBjKP69g
#Post#: 20564--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: stanmarsh14 Date: October 30, 2015, 9:52 pm
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Most of us with some machine experience, will at a minimum,
either totally remove or wire these Varta batteries off the
board as a preventive measure, or modify them to run CR2032
coincells (Same as you find in a PC tower), or go with one of
Andrew's solid state solutions.
This is a typical Varta that is fitted...... this is the 2.4v 2
cell 3-pin type as found on Barcrest MPU4's, but you also
sometimes find the larger 3.6v 3 cell (Common on BFM Scorp4's),
and the tiny 3.6v 2 pin sort which is common on Maygay Epoch (Is
also the worst of the lot when they leak).
HTML http://www.ebay.co.uk/itm/VARTA-MEMPAC-55615702012-2V150H-2-4v-NI-MH-BACK-UP-BATTERY-PCB-Mount-2xV150h-/260890449543?hash=item3cbe485687:g:fNYAAOSwQiRUo8KU
[quote author=The graham link=topic=1709.msg20562#msg20562
date=1446248047]
I don't know about the battery. I think others will comment, but
I think generally they are removed and put on a fly lead. Will
leave for others for details.
It's a really good game on 25p. One of my favourites I think.
Let me know what you think of it and maybe some pics or a video?
:)
[/quote]
#Post#: 20565--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: stanmarsh14 Date: October 30, 2015, 10:02 pm
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[quote author=Darrenwall link=topic=1709.msg20543#msg20543
date=1446221553]
It's on 25p at the minute, just got it home, yet to look fully.
[/quote]
It can be made switchable, from £5 upwards, and stakes from 5p
up to 30p, using a switchable key.
As this will be running Maygay's Epoch system, there are a few
things you need to watch out for, the first being this tiny
nasty green battery (Get it wired off the board ASAP!), that
sometimes even with a slight leak, can kill a systemboard (One
with the ROM's in), also checking the state of the lamp board
and PSU
HTML http://www.ebay.co.uk/itm/VARTA-MEMPAC-3-V15H-3-6V-15MA-BACK-UP-BATTERY-2-PIN-X1-fd1c4-/400306136472?hash=item5d341ae598:g:1VkAAOSw6EhUPRzd
If you don't already have a copy, general Epoch field guide
here, that shows you the general in's and out's of this
operating system, what all the PCB's are in side, common faults
etc.
HTML http://homepage.ntlworld.com/stan_marsh14/FME/MaygayEpoch.zip
#Post#: 20590--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: Darrenwall Date: October 31, 2015, 5:26 pm
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What are these batteries used for? I'm guessing they hold the
time and date and other data. Do they run fine if they are
removed and can run fine without them?
#Post#: 20591--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: lineup chris Date: October 31, 2015, 5:51 pm
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Yeh,data,memory etc.
Without the battery,all that
will be lost each time you turn the machine off.
Majority of machines still works ok without one,
But some may 'ram clear alarm' on start up.
Always best to remove battery and fly wire it away from
the board.
#Post#: 20592--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: Darrenwall Date: October 31, 2015, 5:58 pm
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Best get it whipped off, don't look to
good.[IMG]
HTML http://i68.tinypic.com/17snep.jpg[/img]
#Post#: 20593--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: andrew96 Date: October 31, 2015, 6:13 pm
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Yeah that board wont last long in that state, be carefull taking
the battery off as it is very easy to pull the track from the
battery off the board if you apply pressure to pull the battery
out when the solder has not completely melted. I suspect under
the battery the tracks (run through the BT1 text) will be really
bad
#Post#: 20594--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: Darrenwall Date: October 31, 2015, 6:29 pm
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Clean with vinegar? I'm no expert.
#Post#: 20595--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: Darrenwall Date: October 31, 2015, 6:33 pm
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Better pic
#Post#: 20596--------------------------------------------------
Re: Hi from Grantham in Lincolnshire
By: andrew96 Date: October 31, 2015, 6:38 pm
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I say no to vinegar, its acid and gets under the green solder
resist and eats away at the copper, I use isoproponol 99.9% and
fiber pencil to clean boards up.
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