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-----Mensagem Original-----
Enviada em: sexta-feira, 27 de setembro de 2002 06:31
Assunto: Re: [DX398] Poping sound while changing
frequencies
Hi Fellows:
I am sorry for my ignorance... but, what is
"anti-chuffing"???
Thanks in advance for answer!
Vy 73 de PS7KM,
===============================
Karl Leite - Natal, RN -
Brasil
eMail: kl@xxxxxxxxxxxxx
-----Mensagem Original-----
Enviada em: quinta-feira, 26 de setembro
de 2002 22:43
Assunto: RE: [DX398] Poping sound while
changing frequencies
BUT -- Don?t do the anti-chuffing mod described on the web
page. There
is a much simpler (and easily reversible) one where you
clip a wire that
is soldered to a point on the board marked ?Mute?.
I?ve attached the
original message from about a year ago. I did this
to my radio and it?s
been fine ever since.
From: rohit@p...
Date:
Wed Oct 3, 2001 7:59 pm
Subject: Mods:
Anti-Chuffing.
Hello,
Following a previous post -
I finished
the Anti-Chuffing mod for the second time.
This time I disconnected the
black wire that goes in
between the two connectors on control board and
main
board. This is also labelled as 'Mute' on the main
board. I did
not cut the wire. I pulled out the pin from
connector on the main board
side, after flattening the
minature projection on pin that keeps it stuck
there.
Then wraped the pin in an insulating tape. This mod will
let me
put the connector pin back if I want to.
I think that this is a better
mod than that published on
http://www1.shore.net/~dmoisan/faqs/sangean/ats909faq.html
Why?
I don't understand the working of the mod described
on the listed web
site. Whether it will cause any ill
side effects. That requires some
gawking at the circuit
diagram.
The new mod is simpler, as this
principle can be used
probably in any dig radio. I have done this for
Sangean
ATS-808A and some un-named brand radio that I bought
in France.
What I did was reverse trace the amplifier
circuit and look for
tracks/wires that did a signal
transition while tuning. It can be seen as
deflection on
multimeter needle. This was not necessary for the
current
mod, as I had the circuit diagram, and the main board
clearly
labelled the connector.
Rohit
Priyadarshi
-----Original Message-----
From: radiofreak
[mailto:radiofreak@xxxxxxxxxxx]
Sent: Wednesday, September 25, 2002 11:58
AM
To: Andrey Stoev
Cc: DX398@xxxxxxxxxxxxxxx
Subject: Re: [DX398]
Poping sound while changing frequencies
Andrew,
Some mods are
here:
http://www1.shore.net/~dmoisan/faqs/sangean/909mods.html
You'd
probably be interested in trying the anti-chuffing mod, I
think?
Damon
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