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'Bachmann' Controller ... I Just Thought It Was Faulty & Got Rid Of It
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 Posted: Sat Mar 16th, 2019 05:19 pm
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Si.
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WOW !  :shocked:  ...





... The  C :cool: :cool: L  'Thomas The Tank Engine' livery, Bachmann controller ... I'm Luvin' it ! ...  :shocked: 

... something to rival the wonderful colours of the 'McTrain' Mogul !  ;)



I'm starting to think I WANT ONE !  [whack]



:thumb:



Si.




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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
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 Posted: Sat Mar 16th, 2019 05:28 pm
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Si.
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As well as tryin' my damnedest to find a photo of the 'guts' of the controller ...  :us:

... I also tried pretty hard to find a schematic on the damn thing as well.  :us:



No luck though.  :f:



Here are a couple of schematics of more or less what is PROBABLY inside one ... Or very close anyway.  :P





Both powered from about 16 Volts A.C. ... Either from a built-in transformer or a wall-wart.






:java: :brill::!:



Si.




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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Sat Mar 16th, 2019 10:03 pm
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Murray McPhie
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So you 100% HAVE GOT a  '16 Volt A.C. output'  wall-wart, right ?


Well nearly,


I have a 16 volt one but the connector socket is loose. So I used an 18 volt one.
I have a box full of various wall warts.
Maybe it must be 16 volt, or it will only go one way?
Like I say, it isn't that important. I can use the thing on a turntable or something.



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Murray.

I love steam locomotives. Big ones, small ones, real ones, model ones........
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 Posted: Sat Mar 16th, 2019 10:15 pm
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Si.
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Hi Murray  :wave:



OK ... So the wall-wart you have is 18 Volts ...

... but the IMPORTANT question IS ...

... Have you got one that outputs A.C. Voltage ?  ???



A wall-wart that outputs D.C. Voltage ...

... may well be causing the oDd reversing problem !  :f:



:)



Si.

 



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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Mon Mar 25th, 2019 10:07 pm
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Si.
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The suspense is killing me.  :old dude:



Was the 'wall-wart' a D.C. output one ...  ???

... or one of the slightly more unusual A.C. output ones ?  L:



I'll check back in a week or so .  .   .  ;)



:y:



Si.



I had actually wondered about trying to score one of these on eBay a while back.  :java: L:

They are quite a nice 'hand sized' unit & might make a  C :cool: :cool: L  radio-control 'project box' ...

... or just a nice spare & simple controller (if it works !).




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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Wed Mar 27th, 2019 07:35 am
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Murray McPhie
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Sorry Si,
I got a bit sidelined by other things.

I just got the transformers I have been playing with out of the box again.


Very embarrassed.


The 16 volt one which was broken is AC.
That is the one I was hoping would work for me.

The 18 volt one is DC.
I was sure it said AC, but it was after a beautiful dinner and a glass, or maybe two? of colonial red.
I MAY have misread it.

I am using the google thing to find a local supplier of 16 volt AC transformers.




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Murray.

I love steam locomotives. Big ones, small ones, real ones, model ones........
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 Posted: Wed Mar 27th, 2019 08:00 am
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2foot6
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How many glasses?..................

Try Jaycar in Littlejohn St, they will have them.

....Peter





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 Posted: Wed Mar 27th, 2019 07:37 pm
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Murray McPhie
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Actually, last time I looked there, they didn't have any.

Strange, as they have pretty much everything.


I will drop in next time I am passing, which is often.


Thanks Peter.




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I love steam locomotives. Big ones, small ones, real ones, model ones........
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 Posted: Wed Mar 27th, 2019 10:30 pm
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W C Greene
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Now, I don't know about the Botchmann "controller",
but I would imagine that it needs to have a DC power supply.
Unless the train is DCC, which has AC on the rails but is controlled by the loco's chip.
This little device is probably ment for a DC wall pack to make it work.
The thing seems to have forward/reverse and a "throttle"...
so, I think it needs a DC power supply.
If it isn't working correctly, I would find a better power pack.
I would prefer a better power pack anyway.
Look for an older MRC pack,
they can be found on fleabay, etc. for not much money.
These are only my opinions.

Woodie




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 Posted: Thu Mar 28th, 2019 01:47 am
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Si.
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The 'Bachmann Train Controller' 100% def. DOES NEED a '16 Volt A.C.' output wall-wart !  :old dude:

A quick glance at this fairly simple MRC Tech-7 Power Pack schematic.  :dope:


Shows that '15.8 V AC' is taken from before the rectifier Diodes 1 to Diode 4 ...

... & fed into the 'business' part of the throttle circuit via a 10K Ohm resistor ...

... to take advantage of & use it's handy 50/60 Hertz frequency, in the main circuit.




The MRC schematic ^^ shows a built-in transformer, with AC Cord ...  :brill:

... but had it not been designed like this, a wall-wart could power it just as effectively ...

... but it would HAVE TO BE an A.C. output one of 16 Volts (or 15.8 V in MRCs case !).  :P



I couldn't find a schematic of the actual 'Bachmann Train Controller'.  :us:

Someone familiar with where their 'Service Sheets' are stashed on The Net, might find one ?  ???



:java: [whack]



Si.




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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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