Athearn SD60M Decoder Installation featuring the GEN-MB1 Motherboard with Keep-Alive™, WOW121-Diesel Decoder, and 28mm Speaker by TCS


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
These items are available in the WDK-ATH-1 which was used for this installation.
GEN-MB1 Motherboard WOW121-Diesel Decoder 28mm Speaker Kit
Click here for more information on the WDK-ATH-1 and the rest of the WOWDiesel Kits line.

   

First, remove the coupler box screws and the coupler boxes from both ends of the locomotive.

Next, to remove the shell you must remove the screws found beneath the trucks directly adjacent to the fuel tank on both ends.

With the couplers and under truck screws removed the shell should lift right off the chassis.

Remove the original lighting board from the chassis and remove the wires from the board tabs.



Next, we will prepare the speaker housing. Remove the screws holding the speaker plug in place.


Next, mount the 28mm Round WOWSpeaker facing into the speaker housing. This may seem counter-intuitive, but this permits the speaker wires to remain on the outside of the housing allowing for a solid seal all the way around.

We used hot glue to mount the speaker, but many other types of glue would work as well. Because the speaker is mounted facing in there is less risk of getting glue on the speaker cone, but you should still be careful to avoid blocking the back of the speaker.
NOTE: You must be very careful to avoid getting glue on the speaker cone. Glue on the speaker will ultimately cause it to produce no sound and fail.


Next, mount the GEN-MB1 on the motor just like the original lighting board and begin wiring it up according to the wiring diagram in your motherboard manual.

Solder in the lighting connections from the shell and install the WOW121-Decoder to complete the wiring of your installation. This mother board has a 1.5volt power supply to power all the original 1.5v bulbs that come with the Athearn locomotive. It can be configured for LED operation as well, the mother board has built in current limit resistors for LED use. Consult the wiring diagram for LED use.

All the original 1.5volt bulbs supplied with the Athearn loco were used. The "FL" solder pad is the forward 1.5v solder pad for the front lights. The "RL" solder pad is the reverse 1.5v solder pad for the reverse lights. The ditch light bulbs are connected to the solder pads marked "1", "2". The solder pad marked "1.5V" is the common power source for the bulbs.

Finally, you can replace the shell (it should slide over the installation easily), screw the shell in with the screws beneath the trucks, and replace the couplers on the shell.

Your WOWSound equipped engine is now ready to run!


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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