[Kenwood] TS940 suggestions about where to look for receive AGC malfunction?]
Clif Holland
Clif Holland" <[email protected]
2004年3月12日 09:19:53 -0600
Check the supply voltages especially the negative supply.
Clif Holland, KA5IPF
AVVid
Authorized Kenwood and Icom Service Center
816 W Shady Grove Rd
Irving, TX 75060
www.avvid.com
1-800-214-5779
972-870-0630 (Local)
----- Original Message -----
From: "Jeff King" <[email protected]>
To: <[email protected]>
Sent: Thursday, March 11, 2004 5:23 PM
Subject: [Kenwood] TS940 suggestions about where to look for receive AGC
malfunction?]
>>> Jeff King wrote:
>> > Has anybody suggestions about where to look for receive AGC malfunction?
> >
> > Symptom:
> > I haven't used the TS940 much in the last year.
> > When turned on (cold) in receive when AGC is set to fast, or off
> > the meter pegs right as if the RF were turned right up.
> > After running for about 20 minutes the meter gradually drifts left and
> > eventually reaches zero.
> > When AGC is set in slow, turned on, the receive is usually normal, and
> > the meter is on zero. Sometimes in AGC slow the meter also goes partly
> > right, but drift left after a 20 minute warm up is completed.
> >
> > Question:
> > Before I open it up, any suggestions would be really appreciated about
> > what the fault could be?
> >
> > Yours sincerely
> > Jeff ZL4AI
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