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Install Guides by Loco Class General - Fitting Decoders General - Fitting Kit CT Elektronic Reference

YouChoos Installation Guides

GWR

LMS

LNER

SR

SE&CR

LSWR

BR/WD/Priv

S&DJR

LB&SCR

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GNR

Misc

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YouChoos Resouces
Dapol O Gauge GWR 57XX Pannier Tank DCC Sound

Kit: MX644D, LS40X22X09-2W, 2x 2200uF Stay-Alive, Lamps & Crew

Another great value O gauge model from Dapol, the GWR 57XX Pannier cries out for sound...

Taking the top off reveals a 21pin DCC socket and a deep round well for a 31mm round speaker, but we prefer Dumbos, so the well is unscrewed which results in a lot of available space. NB use IceCube 40X18-2W or 28X18-2W equivalents instead.

Small 2pin sockets are provided on the model's PCB for speaker connection, but no plug is supplied, so we solder the Dumbo speaker's wires directly to the feet of the 21pin socket.

With the blanking plate removed, we can simply plug in the MX644D sound decoder, but first we secure the speaker into place with Black Tack and connect up a couple of 2200uF/25V electrolytic capacitors for stay-alive. These capacitors (in parallel) connect directly to the decoder's stay-alive pads. If you wanted to use a SuperCap (16V) instead, then you should use a SACC16 connection kit too.

The capacitors just about fit under the PCB, albeit raising the board at a bit of an angle, but there is plenty of vertical space in the model so it isn't an issue.

Next we decide to add working lamps to the model, which is simple enough, routing YouChoos bi-colour lamp's wires, one on the boiler door, and one on the bunker. Again, we solder these connections directly to the 21pin feet (+VE, F0FWD and F0REV), with a resistor to protect each lamp.

The finished model, lots of weathering applied...

Disclaimer

Please note that these guides are provided as useful resources for you, as-is. YouChoos cannot be held responsible for errors in the information, or for any damage caused to your models or equipment if you choose to follow any of the steps detailed here.


A bit of YouChoos poster art for your enjoyment!