Re: TS50 high current draw
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Oh I have, with the finger, it's Q6. I tried to get the collector unsoldered so I could test but I can't get it unsoldered. I have the electric solenoid desoldering tool, I have solder braid, and the manual "clicker" type solder sucker but I can't get it off. I may have to find someone locally that can unsolder that for me. My thoughts were if I remove only the collector and the current draw disappears, I found it. Bob W4JFA
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If you have a thermal camera, now's the time to use it. If not,
start using your finger to find the overheating device.
Gary
On 5/29/2025 7:01 PM, Gary Cook via
wrote:
Start checking diodes, resistors and capacitors until you find
it.
Gary
On 5/29/2025 6:56 PM, Bob via
wrote:
Hi all,
If anyone is familiar with the TS-50, I could use some
advice.
The radio had no RF out. Was narrowed down to the final
board.
It then started blowing fuses. It's not now and I don't
know why however
it does draw 6 amps on receive and also draws 6 amps
with the power off.
Checking the final transistors, in circuit, they test
OK with a DVOM on diode
test. I read no shorts from collector to base/ground.
Reverse polarity diode
tests good.
This should be a simple diagnosis so maybe I'm missing
something?obvious?
If anyone has any hints I sure would appreciate it.
73, Bob W4JFA
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Bob