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Author Topic: DCC & Cutting capictors  (Read 4923 times)
Zytx


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« on: November 11, 2007, 04:38:55 PM »

hello,

I recently purchased 2 MRC mini-DCC (with speaker) steam sound decoders.

One went in my HO scale 2 truck Climax, & the other went in my 2-6-6-2 W&LE Mallet. They both sound great BUT.....

They both run about 3 inches & stop. 2 seconds go by & they jerk to life again, only to stop short. They do this at all speeds.

Someone said to fix this promblem, I must cut a capaitor off the main board. Then they pointed to the "yellow things" on the boards. What I want to know is, can someone please post an image of what exactly I'm supposed to cut off the main DCC board so that I don't screw up & cut the wrong thing? These decoders fit & sound so perfect for the locomotives. I'd hate to think I wasted money again :S

Thanks,
Bob
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jfraymondpa

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« Reply #1 on: November 11, 2007, 05:30:44 PM »

For the Climax:

http://www.tcsdcc.com/decoderpics/Bachman%20Climax/bachman_climax.htm

-- John
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Zytx


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« Reply #2 on: November 11, 2007, 05:45:07 PM »

clipped out entirely, or just one leg?

& would that work for the 2-6-6-2 as well?

Thanks,
Bob
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SteamGene

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« Reply #3 on: November 11, 2007, 06:46:31 PM »

You can cut one leg and bend the capacitor away, or cut it off completely.  Yes, same drill with the 2-6-6-2. BTW, cutting the capacitors does not void the warranty.
Gene
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Chief Brass Hat
Virginia Tidewater and Piedmont Railroad
"Only coal fired steam locomotives"
Zytx


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« Reply #4 on: November 11, 2007, 07:09:27 PM »

so this'll stop the jerky, annoying cutting out while trying to run?

thanks,
Bob with cutters in hand, poised for cutting?
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Zytx


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« Reply #5 on: November 11, 2007, 07:26:00 PM »

feeling dumb. Do I cut C1 or C2 in the 2-6-6-2........There's a 3rd capaitor tho
connected to the red & orange wires.

Bob
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NWsteam


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« Reply #6 on: November 11, 2007, 07:50:12 PM »

Sorry to get off topic...

Are you happy with your climax?  I thinking about purchasing one but I'm not sure yet.  I plan to run them on 4% grades.  What do you think?

Thanks
Brad
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Zytx


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« Reply #7 on: November 11, 2007, 08:02:22 PM »

my climax will drag an unpowered proto 2K locomotive. Smiley

I love it Smiley Getting a decoder with sound was difficult tho. TTE told me they could get a decoder, but not sound. I'll have to snag a few photos of mine with a sound decoder. Cutting out C1 fixed the stalling issue Smiley

Bob
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NWsteam


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« Reply #8 on: November 11, 2007, 09:57:11 PM »

Why is the tender blue and not black?  Is it extremely noticeable? I know it’s prototypical but I don't know if I'm a fan.
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Zytx


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« Reply #9 on: November 11, 2007, 11:27:43 PM »

SteamGene: you said: ""You can cut one leg and bend the capacitor away, or cut it off completely.""

I cut off the one nearest the 8 pin in the climax & it runs 99% better. I had to make it think it was 128 tho in order to run a bit more like 100%.

In the 2-6-6-2, I have 3 capacitors: C1, C2 & a 3rd one with no markings avalible. The 3rd one is connected to the orange & red wires that go into the 4 pin plug to the locomotive itself. Which one do I cut?

C2 is closest to the 8 pin plug in this case.

If it helps, I can snag a photograph & post it here to better explain what I'm trying to ask.....


Thanks,
Bob
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Zytx


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« Reply #10 on: November 11, 2007, 11:37:20 PM »

I found a website the is installing a sound decoder into a 2-6-6-2. However, without any words they post a photo with 2 red arrows pointing towards the capacitors C1 & C2. Am I to assume that these need to be cut out?

http://members.shaw.ca/sask.rail/dcc/b-mann2-6-6-2/b-mann2-6-6-2.html

Thanks, & sorry to be a bother Tongue
Bob
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RAM

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« Reply #11 on: November 12, 2007, 12:21:48 AM »

Why do they put these capacitors in if we need to cut them out?  Is this just when you install a sound decoder or any decoder?
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SteamGene

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« Reply #12 on: November 12, 2007, 09:26:47 AM »

The capacitors are installed because of some European thing with electricity.  They disturb some - probably most - decoders.  The decoders that Bachmann uses are not bothered by them.
Gene
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Chief Brass Hat
Virginia Tidewater and Piedmont Railroad
"Only coal fired steam locomotives"
Zytx


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« Reply #13 on: November 12, 2007, 10:11:03 PM »

So which do I cut:

C1?

C2?

or both?

thanks,
Bob
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SteamGene

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« Reply #14 on: November 13, 2007, 09:07:55 AM »

All.
Gene
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Chief Brass Hat
Virginia Tidewater and Piedmont Railroad
"Only coal fired steam locomotives"
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