[Heathkit] HW-101 Question

[wb8jkr at juno.com]

  The USB BFO isn't getting signal to the balanced
modulator, I'd check the USB BFO oscillator and
possibly the contacts on the mode switch.

Mark  WB8JKR


On Sat, 8 Jan 2005 21:11:15 EST KH6ITY at aol.com writes:
> Our club is donating a HW-101 to a local gentleman who is badly 
> crippled.  He 
> will be  taking his test shortly and we intend to surprise him with  
> the rig. 
> The club asked me to "fix it up" before we give it to him. I 
> repaired  the 
> power supply today. The rig itself was completely dead but was an 
> easy fix.  I 
> thought I was done. Then I ran into a problem that just has me  
> stumped.
> 1. On LSB everything is perfect.
> 2. On USB the receiver mutes and when I key the mic there is  no 
> audio output 
> on the scope from the mic.
> 3. On CW keying waveform and output is perfect but the receiver 
> stays muted  
> just like on USB when the key is released. 
> 4. On tune the rig works perfectly. 
> At first I suspected the mode relay but I can hear it click when I 
> change  
> modes or go to the tune position. 
> Any advise would be appreciated. I have the completed manual.
>  
> Regards & 73's   Larry   kh6ity    Brownsville, Tx. 
>  
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