LGB K-28 DCC decoder install

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Hi folks,
Riding high on the successful installation of my decoder and R/C to my Accucraft K-27, I feel ready to move on to my precious LGB K-28.
I was thinking of using the 55026 interface cable and instllling the Zimo 699KS decoder, speaker, receiver and batteries in the tender.
I came across this switch and recall someone saying they had to be turned off? Is this correct? Thanks for any advice!
Ps..I didn’t want to strip out the board as I would like to keep the loco as original as possible, but if needs be I can do that.
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Hi Greg,
I’m using a Revolution DCC 5A receiver.
Richard
 
Hi Richard
I did an ESU sound decoder fit into my K28 a few years ago (but not RC).
I have the LGB/Astor build diagrams as a pdf if you would like them. They show the wiring and the LGB board
 
beavercreek said:
Hi Richard
I did an ESU sound decoder fit into my K28 a few years ago (but not RC).
I have the LGB/Astor build diagrams as a pdf if you would like them. They show the wiring and the LGB board
Click to expand...
Hi Mike,
The diagram(s) would be much appreciated thank you.
Looking at the instruction diagram/manual for my decoder, it looks like a reasonably straightforward job to remove the LGB board and fit the decoder in its place, using the 5v terminal provided. I was amazed how much room there is in there! Considering the quality of the build, I was surprised to find nylon gear wheels on the axles...I remember the problems I had with my Heljan locos....
Richard
 
Greg Elmassian said:
Pretty sure you turn off all the switches, the switches connect the track pickups to the motors, turning them off separates them (needed for DCC)

There are some LGB experts here too.

I'd like to see that pdf too...

Greg
Click to expand...
Thanks Greg,
As I said, I may just remove the board and use the space for the decoder.
Richard
 
Greg Elmassian said:
If you can fit the decoder without removing the main board that would be my recommendation.
Click to expand...

Wot Greg say's..

The OEM board will take care of voltages and distribution for the lights, is a 'simple' plug-in job, and is reversible should you choose to sell the loco in the future.

PhilP.
 
Latest update....
I decided to remove the LGB board and tucked the redundant pick up leads back in to the boiler. With so much space now available, I installed the Visiton FRS 7 speaker in to the fire box and the decoder into the vacated space left by the PCB removal. This has saved cutting a speaker hole into the tender, which will now only house the batteries and receiver. On test, the sound is awesome :)
 
FRS7 is my normal "go to" speaker (they are in the fuel tanks, FRS3 in the roof)

assembly_line.jpg
 
Normal rule of thumb with those Dips is that they should all be ‘OFF’. If not nasty things can happen to the Devoder.
 
dunnyrail said:
Normal rule of thumb with those Dips is that they should all be ‘OFF’. If not nasty things can happen to the Devoder.
Click to expand...
Thanks for your info, in the end, I decided to remove the board and wire everything through the decoder.
I have put the board aside and kept the loco wiring intact in case a future purchaser wishes to revert to track power.
 
rusty spike said:
Thanks for your info, in the end, I decided to remove the board and wire everything through the decoder.
I have put the board aside and kept the loco wiring intact in case a future purchaser wishes to revert to track power.
Click to expand...
I wanted to ensure that the Dips issue is mentioned in this thread as it is often overlooked.
 
LGB switches are always on for DC and off for DCC. Be careful as some engines have more than one set of switches but only one is for DC/DCC configurations and single motor units use a 4 pin dip switch.
The ribbon cable shown is for function keys, V+ and ground.
 
Beavercreek, is the offer still open for the K-28 diagrams? Just got one myself and plan on putting in a TSU-4400 along with firebox glow and a few other upgrades. Thanks!
 
beavercreek said:
Hi Richard
I did an ESU sound decoder fit into my K28 a few years ago (but not RC).
I have the LGB/Astor build diagrams as a pdf if you would like them. They show the wiring and the LGB board
Click to expand...
If you don't mind I would like a copy of the PDF. I recently purchased an LGB Aster K-28 and I'm looking to go DCC.
 
cyberthom said:
If you don't mind I would like a copy of the PDF. I recently purchased an LGB Aster K-28 and I'm looking to go DCC.
Click to expand...
I did a major change of computer and clean out of files etc a few years back and a lot of superfluous G Scale related stuff was kicked out. I do think that, unfortunately, the K28 build-file went the same way.
I will check through my back-up drives just in case though.
 
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