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January 23, 2018, 11:51:17 PM
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| | |-+  Horn problem on new old Williams
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Author Topic: Horn problem on new old Williams  (Read 828 times)
Garfield
Purr-fect Transportation


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« on: March 04, 2009, 01:15:37 PM »

I bought a set of Williams F7 (1 powered one dummy).
They were still sealed in plastic and I bet they are at least 10 years old.

The horn in the powered unit does not work. It clicks and pops like you are running straight D.C. to the speaker. I tried a different speaker and it did the same thing. It is not a constant noise you only get one click and then a pop.

I tried it with a CW 80 and a K Line Power Chief.
I tried both horn and bell buttons it only makes the noise on the horn.

This is just the horn not horn and bell. I think they offered this back as the cheap alternative to the TB system that did horn, bell and motor noises.

Can some one at WbB find the schematics or any other info on the horn board?
Are they available for purchase? (I would doubt it)

Any tips on what my be wrong?

Thanks
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3rail
Administrator


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« Reply #1 on: March 04, 2009, 03:50:02 PM »

Hi Garfield,

They were the electronic horns.  They were a bascially a buzzer circuit.  You can try adjusting the two pots on the board.  Also these boards were designed before any electronically controlled transformers were available, so they are not compatible with most new transformers.  If you have an older Lionel transformer with a whistle button give that a try.

We phased out that board about 7 years ago, so replacements are not available; you would have to get a TrueBlast II.

Regards,

3rail
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Garfield
Purr-fect Transportation


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« Reply #2 on: March 04, 2009, 06:05:39 PM »

Thanks
I will try adjusting the pots
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