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BR203 ex DR V100 sounddecoder inbouw D&H SD18 .PDF
Locsound for Fleischmann BR203 (ex DR V100)
D&H SD18 decoder
Author: Paul Peters
This is a short manual how you can modify your Fleischmann BR203 in to a sound locomotive. The difficulty level is expert.
Before installation, it is necessary to mill, solder and completely disassemble all parts prior to milling.
What is required?
| D&H Programmer
The D&H loc programmer for programming the sound file on the empty decoder. You can use the power supply from the roco multimaus or laptop charger. https://www.en.dm-toys.de/produktdetails/items/DH-Programmer.html
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| D&H Programmier Adapter
To connect the next18 decoder with the computer you can use the programmier-adapter. This adapter can be connected directly to the programmer without cabling. (It is also possible without, if you solder the DH_DH-N18-G0 adapter to a susi plug). https://www.en.dm-toys.de/produktdetails/items/DH-Programmer.html |
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| D&H SD18 Sound decoder
The Doehler & Haas SD18 is a compact and low in price decoder with NEXT18 connection. With the NEXT18 you can easily disconnect to decoder from the locomotive to test or to programm. https://www.en.dm-toys.de/produktdetails/items/DH-SD18.html
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| D&H N18-K-1 Next18 Adapter
Because the BR203 has a NEM651 connection, I have purchased the NEXT18 adapter with NEM651 solid 8 core flat cable. You can bent the cable a bit and soldered them directly to the soldering points of the NEM connection. The brown wires are the connections for the speaker. https://www.en.dm-toys.de/produktdetails/items/DH-N18-K-1.html |
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| D&H speaker LS1308
The speaker can be placed on the PCB inside cabin. The cabin interior plate shall be removed. The 1308 is the small version of this speaker and is 13x8x2.5mm. https://www.en.dm-toys.de/produktdetails/items/DH-LS1308.html |
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| D&H Sound box small
For more sound, place the acrylic sound box on the speaker with double-sided hobby tape. It is important that the speaker closes airtight. You can hardly see this translucent sound box through the cabin windows. https://www.en.dm-toys.de/produktdetails/items/DH-Schallbox-klein.html |
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How to build in?
| At the location of the NEM651 plug, you can solder the adapter with the cable as a spacer. You have to solder this slightly curved so that the decoder can be clicked in between. Then fold it back so that the decoder lies just below the PCB and does not protrude too far beyond the PCB edge. |  |
| After bending, test whether all the wires still make contact between the PCB and the adapter.
Wrap it with some double-sided tape to cover the decoder connections so that it does not short-circuit with the baseframe.
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| To make some more space for this long decoder and adapter, you have to mill part of the frame. Don’t mill away lower than the gears.
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| Now the PCB can be put back in place. On the PCB you can place the speaker with double-sided tape so that it stays in place inside the cabin.
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For questions, please contact us!