This installation of TCS DP2X or TCS DP5 Decoder is for HO Scale Kato EMD SD70MAC and was performed by A.G.


Important Soldering Tip:
Please do not use any flux either liquid or paste on the mother board. It will damage it. Use only Rosin core solder approved for electronics use.
We recommend to use only Kester "44" rosin core, SN63PB37, .015" diameter, part number 24-6337-0007.
This can be ordered from Techni-Tool under Techni-Tool part number 488SO157

http://www.techni-tool.com

Pictures of Kato SD70MAC Cab Light with its shell on prior to the DP2X or DP5 decoder installation.

 

Grasping the shell at the center top of both sides (being careful not to crush the grills), lift the shell straight up and off of the chassis. Picture of the locomotive with its shell removed.

 

Close-up of the original light board with 8Pin NMRA socket

 

Plug the DP2X into the socket so that the pin#1 of the decoder (check the decoder manual for pin designations) goes into pin#1 of the socket.

 

As an alternative, we recommend using our TCS DP5 - 5 function drop-in decoder that will fit this engine perfectly and will give you option of extra light functions!

Hold the shell in one hand and the chassis in your other hand. Lining up the front of both pieces, lower the shell onto the chassis, keeping the lower edge of the shell parallel with the chassis.

 

 


Other solder tips: When stripping wire, only strip a tiny little bit of the insulation. Strip no more then a 1/64 of an inch. When the wire gets tinned with solder the insulation will shrink back more. Try to not expose any more wire then half the length of the solder pad at most. In no case should solder or exposed wire wire ever be outside the boundary of the the solder pad you are attaching a wire to.
Click here for important information on properly Stripping and Tinning wire

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