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Photos => BriansBrain => Topic started by: BriansBrain on 19.03.2023, 11:59

Title: Radio Brian's *New* well... it's to him Transmitter
Post by: BriansBrain on 19.03.2023, 11:59
 :whistle

I picked up this Elenos ETG1000 1000W FM Broadcast Transmitter up for a song because it was  faulty.
No RF output what so ever.

Working ones go for €1500 >to> €3500 on ebay.

Repairs of these units are carried out by specialized repair shops and normally very expensive.
luckily for me I have a workshop, all the equipment and experience to service this TX.
ETG1000-1.JPG

This is the main RF power producing department that I guessed was the problem.
ETG1000 Driver + 4 Final.JPG
 
This is it's 2.5kW power supply that checked out OK
ETG1000 - PS-2.JPG

Found the problem on the Driver Board.
Driver with BLF404 in on Microscope.jpg

The ERA=5 and BLF404 were both faulty, now replaced.
Driver Board with BLF404 in.jpg

Powered it up and - BINGO RF output, loads of it  :yes 

The cost of parts = €17  :vip 




Title: Re: Radio Brian's *New* well... it's to him Transmitter
Post by: Dave on 19.03.2023, 12:39
Great bargain and well done for fixing it too  :thumbup
Title: Re: Radio Brian's *New* well... it's to him Transmitter
Post by: BriansBrain on 19.03.2023, 12:46
Thanks mate,  ;)
he will be able to reach a little further when I hook it up to the Antenna System  :vip 
 
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