Hi Wes :
The elastic band has stretched to the point your dial pointer will not go all
the way to the left of your dial. This is very common on those dial cord rigs
and is why most of us always turn the PTO dial to the lowest frequency when the
radio is not being used. It prevents stretching the elastic cord. You might
be able to clip an inch or so off the old elastic and continue using it.
The PTO needs rebuilding if it no longer turns freely or if you notice it jumps
around a bit in frequency as you tune. Sometimes the bearings and bearing race
get worn badly in very old units causing a rough spot and warble in tuning.
Not sure about the resistors ?
Go to Ten Tec website and download the owners manual if you need one. The
mauual contains a few pics of the circuit boards located inside the rig.
Doug Reid WD4LNW
-----Original Message-----
From: wes bolin <k5apl41@gmail.com>
To: tentec <tentec@contesting.com>
Sent: Fri, Apr 18, 2014 12:13 pm
Subject: [TenTec] Triton IV 540 Questions
I just acquired a Triton IV and 252G Power Supply. I have a couple of
roblems with it (1) Dial does not travel all the way to the left. It
angs up/stops but tuning
f PTO continues ok. Need new string?
2) No Calibrator signal....maybe very very weak. Any suspects? (3)
light tendency of PTO to shift 100Hz when taking finger off plastic part
f the knob.
TO Rebuild Kit needed?
t came with a frequency counter but I don't think it is Ten Tec. Its all
ed LEDs
nd no markings whatsoever. Two parallel 10 ohm resistors on back panel
hat
re 5W or so and they do get hot. It seems to work well. Does it sound
amiliar?
Thanks for letting me ask these questions. I am just getting back into Ham
adio after about a 5 year absence. Owned some Ten Tec in the past so I
icked up
his radio and really would like to make it work well.
es
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