[Heathkit] SB610 sweep saga, continued

[James C. Owen, III]

Hi Mike,
   The neon is only a pilot light and nothing to do with the horizontal sweep circuit. Be sure that the sweep switch in set to the internal  position and that the horizontal gain is turned up. If that doesn't help then you could have a bad V3 (6C10) at which point you will have to measure the voltages on V3. If you have a scope it will make trouble shooting much easier.  Also check resistor R301 a 1meg, these resistors are known to change value drastically. 
73 Jim K4CGY

--- On Wed, 1/13/10, Michael Tortorella <w2iy at verizon.net> wrote:

> From: Michael Tortorella <w2iy at verizon.net>
> Subject: [Heathkit] SB610 sweep saga, continued
> To: heathkit at mailman.qth.net
> Date: Wednesday, January 13, 2010, 12:18 AM
> Gang,
> 
> Thanks again for the info.  I fear I have set off a
> wild goose chase because
> I made a typo in my original post, deep regrets the unit is
> a 610, not 620.
> The 610 seems to have only one neon bulb, that is the pilot
> light, but the
> consensus opinion seems to be that it is doing double duty
> as pilot lamp and
> part of a relaxation oscillator.  Tomorrow I will
> restore the pilot circuit
> to its original configuration and see what happens.
> 
> Once again, I am sorry to have misled anyone by my
> typo.  Thanks to the many
> who responded.  This is a great group.
> 
> 73
> 
> Mike W2IY
> 
> ______________________________________________________________
> Heathkit mailing list
> Home: http://mailman.qth.net/mailman/listinfo/heathkit
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Heathkit at mailman.qth.net
> 
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com ** 
> 
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>