Peca
Peca
@peca
Active Member
Joined: Feb 8, 2022
Last seen: Apr 11, 2022
Topics: 0 / Replies: 15
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RE: TR2040 repairing

It's been a while since my last update. The problem with crazy signal on one channel should be solved now. After trying different things what probably...

8 months ago
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RE: TR2040 repairing

Thanks guys, I ordered T10 LEDs and pointer incadecent. If LEDs turn out to be noisy I can always put back incadescent. In the meantime I am still f...

9 months ago
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RE: TR2040 repairing

I got the question from papaudioparts what is the form and dimensions of the pointer lamp. Mine is not original it was replaced with normal LED as who...

9 months ago
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RE: TR2040 repairing

I am in Graz/Austria so I buy from Conrad when they have parts in offer because that I can pick up in store directly without shipping fees. Else I was...

9 months ago
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RE: TR2040 repairing

Capacitors are silver Siemens. If I could trace well the source of the noise they are buzzy at higher power output. I ordered some Nichicon VY 10000uA...

9 months ago
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RE: TR2040 repairing

Well it seems like I have a very special clipping...an imaginery one 😆 I bought today a second hand Rigol scope to replace a USB Hantek that I was ...

9 months ago
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RE: TR2040 repairing

Hi Jens, that is correct I have 9V peak to peak on both channels when output starts clipping. I measured the rails during clipping and they stay fine ...

9 months ago
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RE: Good beginners resources

This channel has some nice videos mostly about repairing of Marantz and Pioneer receivers from 70-80s but also some good general instructions:

10 months ago
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RE: TR2040 repairing

Hi Pawel, yes those are the ouput transistors

10 months ago
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RE: TR2040 repairing

Thanks for the suggestion, I replaced this trim potentiometer. Although it measured fine after I removed it, probably is a good idea to replace it any...

10 months ago
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RE: Greetings from Austria/Serbia

Sorry I forgot to mention that I replaced all electrolitic capacitors in power amp.

10 months ago
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RE: Noise/crackle like from the vinyl at the output ( solution )

Hi Pawel, did you replace it with the original part or you used a matched pair. If you used the matched pair which transistors did you use?

10 months ago
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RE: Greetings from Austria/Serbia

Hi Pawel, thanks. I saw that you have a lot of experience with Tandbergs. Maybe you can take a look in my topic:

10 months ago
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10 months ago
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