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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. 
I’ve decided to focus on a tiny sub-diorama of Akihabara Station. The platform section that I’m working on represents the very northern end of platform 1/2. This section of the platform has a relatively simple roof and support, and so should be a nice, easy introduction to scratchbuilding. 
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. 
I’ve been overwhelmed, lately. Or, at least, I haven’t had much spare time. Hence, I’ve gotten almost nothing accomplished. Inspired by one of KenS’s posts on JNSForum.com, I have decided that I need to start with something small to get the ball rolling—very small. 
 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! 
 Tomix N-DU-202-CL Throttle: Nice! My layout is an oval of track that I occasionally set up on my desk. Sometimes I add turnouts to this oval. Some of my trains have been converted to DCC; many have not. When I want to run a DCC train, I pull out my Digitrax Zephyr; when I want to run a DC train, I pull out my low-end Tomix DC throttle. I like them both, but neither is entirely satisfactory. In particular, neither offers anything that even approaches realistic operation. Last year, I got the opportunity to do a little driving in an EMD SW1, and the fine-grained level of control you get over a real locomotive makes my Tomix throttle feel like a light switch. What to do? Get a new throttle! 
 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. 
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. |
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