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Offline sikardon  
#1 Posted : 29 January 2022 02:56:53(UTC)
sikardon

Indonesia   
Joined: 05/06/2012(UTC)
Posts: 171
Hello Everyone,

I have this beautiful loco Märklin 34551, I change the decoder few years ago with mfx decoder from the old 6096x series. Before any decoder changes, I usually take picture of the old decoder wiring connection, but unfortunately, the picture was deleted accidentally.

IMG_20220129_084210.jpg
IMG_20220129_082829.jpg

Now I want to use this old decoder again, but I don't know the solder pads connection since the picture is gone. Could anyone please help me take picture of your 34551 decoder wiring connection?
Or perhaps help me on identifying which solder pads goes to motor, to pickup shoe, and etc?

Many thanks for the help.

Best regards
Sony

Edited by user 06 March 2022 05:56:41(UTC)  | Reason: Not specified

Offline Donb  
#2 Posted : 10 February 2022 06:11:17(UTC)
Donb

Canada   
Joined: 03/04/2013(UTC)
Posts: 229
Location: Fraser Valley
Hi Sony,

Here is my old Delta decoder from a Br 81, looks newer decoder version than yours.
These wiring colors and position might be the same, ie the top wire looks to be ground ( brown) on yours too,..
Brown - ground
Red - slider
Black - motor brushplate
Dark blue and light blue - coil
Yellow - rear light
Grey - front light

Perhaps someone can confirm these.

Hope this helps,

PXL_20220210_045638661.MP.jpg

PXL_20220210_055511417.MP.jpg
Best Regards,
Don
___________________________________________________________________________________
Viessmann Commander, ECoS 50210 , C track and Z scale
Offline Dave Banks  
#3 Posted : 10 February 2022 23:02:16(UTC)
Dave Banks

Australia   
Joined: 08/03/2006(UTC)
Posts: 954
Location: Gold Coast, Australia.
Have a look at this: Marklin 205956 Faulhaber Decoder.
This decoder controls brushless DC motors (Faulhaber system). The delta address range is available for addressing. This decoder was installed by Märklin in the 34550 and 37550 locomotives. An additional switchable output (weak red cable) controls a smoke generator or similar. Tender light is switched directly via the two sockets.

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