wb6dgn wrote:
There is a process I use to easily see which stage is
bad. Reply if you need more help.
Maybe you'd consider posting it here? Always looking for better ways to do
things.
Tom DGN
Verify you have drive to the PA by looking to see how much is coming out
of it or any
Bill jawjabill...@... wrote:
Apparently no one here got the moto memo on working with
giant heat-sinks.
I never did during my tenure... memo's usually floated in
well after the fact or damage done...
First you only need a 30-40 watt iron to work on them
as moto did at the
Tom Parker t...@... wrote:
Why has no one suggested replacing the guts of this beast
with a Mitrek PA?
Only if the Mitrek VHF PA is the same animal as some Micor
PA's are reported to be.
... and that you can a used Mitrek (with the matching parts)
as easily as you can find a used Micor
There is a process I use to easily see which stage is
bad. Reply if you need more help.
Maybe you'd consider posting it here? Always looking for better ways to do
things.
Tom DGN
--- In Repeater-Builder@yahoogroups.com, Kevin Custer kug...@... wrote:
radi...@... wrote:
Sucess!
I
I'm told C4 is much more effective and you need less of it!
T.
--- In Repeater-Builder@yahoogroups.com, Gordon Cooper zl...@... wrote:
Maybe a little Black Powder might be needed?
Gordon ZL1KL
Tauranga N.Z.
On 8/2/2010 11:15 PM, skipp025 wrote:
... The entire project including obtaining the parts from
recycled radios takes me about 4.5 hours with beverage of
choice and some decent AM Talk-Radio playing at low back-ground
volume level (no, not the right-wing whack job stuff).
As opposed to the
Apparently no one here got the moto memo on working with giant heat-sinks.
First you only need a 30-40 watt iron to work on them as moto did at the
factory The secret is.. raising the heat-sink to about 3-400
degrees while you are working on what needs to be done. PS ..
Bill wrote:
Apparently no one here got the moto memo on working with giant
heat-sinks. First you only need a 30-40 watt iron to work on them as moto
did at the factory The secret is.. raising the heat-sink to
about 3-400 degrees while you are working on what needs to be
The amplifier in question is a MSR2000 VHF, not
UHF - no ceramics to worry about - no oven required.
Kevin
Don't know what you'd really use the Oven for... For
the VHF PA (like the Micor) I switch from the mondo
iron to the trusty Weller 550 and 8200 guns. I feel
it's better get on and
I use the mass of an old martial-aid size soldering iron, which
are often passed over by uninformed souls shopping at Ham Flea
Markets.
s.
Skipp, you kill me!
They used those in sheet metal shops and doing rain gutters. Got one and it
is amazing on touch and ping off it comes!.
-Builder] Re: Dissasembly of msr 2000 continuous duty
amp. How?
I use the mass of an old martial-aid size soldering iron, which
are often passed over by uninformed souls shopping at Ham Flea
Markets.
s.
martinfriedman67 radi...@... wrote:
Our Amateur radio club's Motorola MSR 2000 continuous
duty amp needs repair. I cant figure out how to remove
the amp board from the heat sink. I removed all screws
from corners as well as the transistors. It seems to be
held by the center, just
radi...@... wrote:
OK Kevin,
I had already tried the desoldering with a really good
Pace unit, but the heat did not transfer well.
Yep, not enough heat available from most solder suckers, irons
and guns.
I will get a buddy to help and use my Weller guns. I have
a big 250 watt one
Maybe a little Black Powder might be needed?
Gordon ZL1KL
Tauranga N.Z.
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