[Hallicrafters] HT-40 question

[RICHARD SOLOMON]

More likely it is an NE-2 that they used for an el-cheapo VR tube !!

 

But, I haven't seen the schematic either.

 

73, Dick, W1KSZ
 
> From: james.liles at comcast.net
> To: hallicrafters at mailman.qth.net
> Date: Fri, 5 Jun 2009 11:34:18 -0500
> Subject: [Hallicrafters] HT-40 question
> 
> Hi Les:
> If memory serves me correctly --- The later models of the HT-40 had an over 
> modulation detector on the front panel which was a neon indicator. The 
> original owner may have added the circuit --- but why under the chassis???
> 
> 
> Original message:
> 
> Message: 9
> Date: Fri, 5 Jun 2009 00:45:00 -0500
> From: "Leslie Hock" <lhock at comcast.net>
> Subject: [Hallicrafters] HT-40 question
> To: <hallicrafters at mailman.qth.net>
> Message-ID: <20090605054459.0DAB13738B3E at mailman.qth.net>
> Content-Type: text/plain; charset="US-ASCII"
> 
> 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
> 
> ______________________________________________________________
> Hallicrafters mailing list
> Home: http://mailman.qth.net/mailman/listinfo/hallicrafters
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Hallicrafters at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html