[Hallicrafters] HT-40 question

[mac]

Les,

Just checked the schematic for an HT-40-K and can't find any neon  
bulbs or other regulators.  Simple circuit, though, so shouldn't be  
difficult to troubleshoot.

Dennis D.  W7QHO
Glendale, CA

On Jun 4, 2009, at 10:45 PM, Leslie Hock wrote:

> Good evening folks,
>    I have a question about the HT-40.  I have just purchased one and
> the seller wrote me the following:
>
> "The transmitter lost power after a few dits and dahs.  The tubes  
> all check
> out 100% and no pooped caps.  I traced it to a small neon bulb under  
> the
> chasis that they use as a regulator.  One of the hair-thin leads  
> broke at
> the bulb.  I tryed to solder, but no go. You will see this bulb in the
> wiring sk and parts list. You would need to replace it.  Very small  
> $ item.
> Prior to that it had a good 45 watts out on cw."
>
> I don't have the radio yet but I'd like to get the replacement part  
> as soon
> as possible.
>
> I can't seem to find a parts list for the HT-40.  Does anyone have  
> an idea
> as to what the bulb is that he is referring to? I don't believe it  
> is one of
> the two LEDs on the front but I just don't know. The HT-40 was my  
> first rig
> as a teenager and now that I've turned 60, I'm trying to recreate my  
> old
> station.  I don't remember seeing a bulb under the chassis but then  
> I was
> really looking back then.
>
> If anyone has a part number and/or a source for these bulbs, I would  
> really
> appreciate the information.
>
> Thank you,
> Les Hock
> WB5JWI
>
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