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 Ah, the classic lines of the original Bullet Train. The DCC installs are back. I’ve got a ton of photos, and I doubt I’ll post all of the work I’ve done in the past several months, but with Kato’s recent re-release of this model, it seemed appropriate for the latest update.  651系 cab car. Finally, a return to my long neglected 651系! In the first and and first-and-a-half parts, I upgraded the factory-fitted interior lights from bulbs to warm LEDs. Now the time has come to deal with the headlights. Thankfully, this conversion proved quite easy using a TCS FL4 function decoder, which is both small and capable of handling the in-rush current from the bulbs. 
The Tomix “Yumekukan” is a fun model. The highlight is the three unique coaches at the end: One very first class sleeper, one lounge car, and one dining car at the very end. Last year I installed a decoder into the baggage car; today the dining car (OSHI25-901; オシ25-901) is the focus. The dining car has working table-top lamps, direction-sensitive marker lights, and a lit drumhead: All powered by a very tiny, all surface-mount circuit board that defies dissection. Read on to see how I used a TCS Z2 to convert this carriage to DCC. 
 The completed install. This must be a new record for me: Two successful decoder installs in four weeks, nothing dead or fried. The Skyliner motor car is, thankfully, a straightforward install with only minor gotchas. Now, to find the funds for another Z2 to complete the second cab car! 
 A Keisei AE100形, headlights blazing. Ok, yeah. I said my next DCC conquest would be my Kato 651系 “Super Hitachi”. I lied. Besides, I said that, what, six months ago? I don’t have the necessary decoders on hand to continue work on it, but I did have the necessary decoder for this model, the Micro Ace A2896 Keisei AE100形 “Skyliner”. What makes this model challenging is that the headlights and the markerlights are not lit by distinct LEDs, but by a single bi-polar bi-color LED—a single monolithic LED that cannot be split apart into two distinct circuits for control by two distinct motor leads. Read on to see how I got it working. Here’s a guy on the cutting edge of modern model railroading. If designing and building your own DCC booster and command station doesn’t establish your model rail electronics creds, I don’t know what does. Lately, Steven’s been experimenting with using the Arduino platform, and churning out some really interesting proof-of-concept circuits for automatic control [...] 
Update: After consulting with TCS, I no longer recommend the TCS Z2 decoder for this installation. Sadly, the TCS M1 is too large for this installation, and so I have selected a Lenz Silver Mini to replace the Z2. Previously, I showed how to disassemble the tamper down to the point where we can proceed with decoder installation. Let’s move forward with the decoder installation itself. 
 The Duomatic itself. Stop. (Collaborate and listen.) You just bought one of these fancy Lemke ballast tampers, and you are considering converting it to DCC. You can read a little German, maybe, or at least you can work from photos; or you found another guide on the web. It doesn’t look so hard. Don’t believe everything you read. Just an update on this project. I managed three more cars in one evening, for a total of four out of seven. It’s tedious going, but I’ve got the hang of it now. What’s slowing me down is cleaning the trucks: They’re filthy! Spent the evening with a bowl of rubbing alcohol and a [...]  Kato 10-173 651系 'Super Hitachi' So, you have just purchaed Kato 10-173 651系 (651-series) “Super Hitachi”, and want to know how to convert it to DCC. I’ve just begun this process myself; here is part one (of many!) of my report. The 651系 is factory-fitted with interior lighting, a nice touch. But, being bulbs, those lights have to go. For one, they draw a ton of current—55mA/bulb @ 9 bulbs = almost half an ampere!—which limits the number of trains that my Digitrax Zephyr can drive simultaneously from two to one. For another, bulbs get hot when powered by AC, and DCC is AC. Some people have reported that Kato’s bulb-based interior lights cause meltdowns when run on DCC. I don’t have a link, because I think this claim is largely apocryphal, but Kato nevertheless cautions against using their bulb kits with DCC. Or at least they did until they discontinued those sets. Anyway, Kato’s LED interior lighting kits aren’t compatible with the 651系. You’ll see why below. This means we’re going to have to improvise something new if we want to run out 651系 on DCC. |
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