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 Altec Lansing Fan Club V2 (128 members!), Sound Leadership For The Digital Age

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7367network P
post Jul 8 2019, 12:26 AM

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Probation
4 posts

Joined: Jun 2019
From: Kuala Lumpur


ATP3 owner here... in the process of replacing all the capacitors as preventative maintenance (and some old ones conked liao)
7367network P
post Jul 29 2019, 11:24 AM

New Member
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Probation
4 posts

Joined: Jun 2019
From: Kuala Lumpur


QUOTE(jimmylim85 @ Jul 16 2019, 09:12 AM)
Guys I need some help here on my Altec Lansing ACS 45.1

I did fix it myself couple of years ago and I forgot the link on where was the guide of replacing the mosfet IC and sound controller.

So right now I’m not sure which IC need replacement as I’m facing sudden power cut off and buzzing sound.

I can’t recalled do I need to replace the ST electronic chip mounted in the large heat sink, as I didn’t replace the electronic volume controller chip Toshiba before as it didn’t give that problem.
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Does it hum even when the audio cable is disconnected?
7367network P
post Aug 1 2019, 07:42 PM

New Member
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Probation
4 posts

Joined: Jun 2019
From: Kuala Lumpur


QUOTE(jimmylim85 @ Aug 1 2019, 09:56 AM)
I've found the culprit. The big cap 10,000uf has worn off. That cause buzzing/humming sound.
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Did you replace it with a high-quality-branded capacitor?

 

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