[Kenwood] TS940 Power Supply Problem

[rsrocket1 at comcast.net]

Did the rig turn off anywhere near midnight or 0000Z?
Make sure the timer button is not pressed.

 -------------- Original message ----------------------
From: "Jim Best" <james9194 at bresnan.net>
> 
> I was using my 940 in receive mode and all of a sudden it lost
> all power.  The radio had been on for about 4 hours and as I recall
> I didn't hear the fan in the power supply running.  I could usually 
> hear it because it is getting pretty noisy.  I checked the fuse on the 
> rear and the fuse on the AVR board both good.  There was 28 volts
> to ground on each side of the fuse on the AVR board.
> 
> I discussed this with a friend and I mentioned the transistors on the
> left rear of the radio behind the fan.  I think he agrees that would be
> a good place to start also.  To expedite things, has anyone seen this
> problem.  Also, are the transistors available on the open market are 
> do I need to order them from PC Parts.
> 
> Any experience and help is greatly appreciated.
> 
> 73 and Thanks,
> Jim  WU7G
> 
> 
> PS.  The schematics I have are so small that these 68 year old 
> eyes have a hard time making anything out under a magnifier.
> 
>  
> 
> 
> 
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