What are you using when testing: ESR meter, capacitance meter, or?
What are your standards/values for replacement?
Thanks,
Ed

开云体育

Thanks Bill, whenever I post it's to everyone or I'd go direct.
You're ideas are interesting but it raises another question for me:
you're checking them in-circuit, not removing them, correct? And
you're using the highest range of your VOM/VTVM ?

--- In HallicraftersRadios@..., Bill Gerhold <k2wh@o...>
wrote:

I do not know if this is addressed to the group but here is my 2

cents. I

never really bother to check capacitors

except visually looking for obvious damage. If that was OK, and

something

was not working, I then check

them with a high resistance ohm meter. If that's OK, then I leave

them

alone, even the black beauties.



I know this is not the proper way to test for bad caps and others

will

probably cringe when I say I leave the black beauties

alone but, when you have little time to do this, and the radio

works

satisfactorily, I say leave them be. So, no real science here

checking capacitors. Just common sense.



Any others with capacitor check methods?



K2WH



_____

From: Ed Hatcher [mailto:eh_54@y...]
Sent: Tuesday, March 29, 2005 1:44 AM
To: HallicraftersRadios@...
Subject: [HallicraftersRadios] Capacitor testing




What are you using when testing: ESR meter, capacitance meter, or?
What are your standards/values for replacement?
Thanks,
Ed





This site is dedicated to the free and open exchange of ideas,

advice,

technical and general information about Hallicrafters transmitters,
receivers, home entertainment equipment, and all other

Hallicrafters

products. And more importantly, this site is dedicated to the

large number

of fans, cheerleaders and users of this wonderful equipment which

utilized

the technology of vacuum tubes.

Hallicrafters equipment was on the front lines (literally) during

the early

years with military communications radios. On the home front with

shortwave

receivers, amateur transmitters and home entertainment equipment.

Truly an

American company.

K2WH (Your Moderator)






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When I wrote that reply, I said to myself oops, I should have said I
test them out of circuit and with the highest range ohmmeter. BTW, I
use an old Simpson 260 to do this test in the RX 10,000 scale.

I look for a meter deflection from short circuit to a very high range
final reading. Then I reverse the leads and look for a sharp Kick of
the needle with a final reading in the same high range. Similar to a
diode test. Of course, looking for very high resistance in both
directions. It has worked over the years without failure (no pun
intended).

K2WH

--- In HallicraftersRadios@..., "Ed Hatcher" <eh_54@y...>
wrote:

Thanks Bill, whenever I post it's to everyone or I'd go direct.
You're ideas are interesting but it raises another question for me:
you're checking them in-circuit, not removing them, correct? And
you're using the highest range of your VOM/VTVM ?

--- In HallicraftersRadios@..., Bill Gerhold

<k2wh@o...>

wrote:

I do not know if this is addressed to the group but here is my 2

cents. I

never really bother to check capacitors

except visually looking for obvious damage. If that was OK, and

something

was not working, I then check

them with a high resistance ohm meter. If that's OK, then I

leave

them

alone, even the black beauties.



I know this is not the proper way to test for bad caps and others

will

probably cringe when I say I leave the black beauties

alone but, when you have little time to do this, and the radio

works

satisfactorily, I say leave them be. So, no real science here

checking capacitors. Just common sense.



Any others with capacitor check methods?



K2WH



_____

From: Ed Hatcher [mailto:eh_54@y...]
Sent: Tuesday, March 29, 2005 1:44 AM
To: HallicraftersRadios@...
Subject: [HallicraftersRadios] Capacitor testing




What are you using when testing: ESR meter, capacitance meter,

or?

What are your standards/values for replacement?
Thanks,
Ed





This site is dedicated to the free and open exchange of ideas,

advice,

technical and general information about Hallicrafters

transmitters,

receivers, home entertainment equipment, and all other

Hallicrafters

products. And more importantly, this site is dedicated to the

large number

of fans, cheerleaders and users of this wonderful equipment which

utilized

the technology of vacuum tubes.

Hallicrafters equipment was on the front lines (literally) during

the early

years with military communications radios. On the home front with

shortwave

receivers, amateur transmitters and home entertainment equipment.

Truly an

American company.

K2WH (Your Moderator)






Yahoo! Groups Sponsor



ADVERTISEMENT

<

76/D=gr

oups/S=1705063108:HM/EXP=1112165062/A=2593423/R=0/SIG=11el9gslf/*http

:/www.n

etflix.com/Default?mqso=60190075> click here



<

M=298184.6018725.7038619.3001176/D=groups/S=

:HM/A=2593423/rand=622251067>



_____

Yahoo! Groups Links

* To visit your group on the web, go to:


* To unsubscribe from this group, send an email to:
HallicraftersRadios-unsubscribe@...
<mailto:HallicraftersRadios-unsubscribe@...?

subject=Unsubscribe>

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<> Terms of Service.