[Kenwood] My TS440 Must Warm Up!

Sun, 18 Aug 2002 16:02:34 +0000

Mike,
This is a common problem that most of the TS-440s have.  After they get 
older, sealer that was placed in the inductors in the VCO unit becomes 
inductive.  This causes the radio not to oscillate.  Eventually when you 
turn the radio on you will see only dots on the display and it will take a 
day or so for the radio to dry out enough to become operational. The good 
news is that Kenwood covers half the cost of the repair through a Kenwood 
Authorized Service Center.  The last time I checked the price was $150.00 
for repair.  My TS-440 is still in my shack waiting to be sent off to be 
repaired.  I hope this helps. You can find more information about is at 
http://www.mods.dk/mods.php3?radio=kenwood&model=ts-440&selectid=707#707  
read all the comments.
Joe
N3FKQ

----Original Message Follows----
From: "Mike Duke, K5XU" <[email protected]>
To: "Kenwood list" <[email protected]>
Subject: [Kenwood] My TS440 Must Warm Up!
Date: Sat, 17 Aug 2002 22:35:36 -0500

I'm trying to help a friend get back on the air with a newly acquired, but
previously little used 440.

From a room temperature start, the radio must sit powered up for about
fifteen minutes before it will receive any signals. During the warm up, you
get a display, and receiver hash, but no signal.

I'm hoping that the problem is simply a loose connector or mounting screw on
some board.

Anyone have thoughts about where to begin checking?

Mike Duke, K5XU
American Council of Blind Radio Amateurs

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