Arion AW-8700 series - bad Luxon LU

japlytic

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Join Date: Oct 2005

Posts: 2081

Country: Australia
#1

Arion AW-8700 series - bad Luxon LU

12-14-2011, 06:43 AM

I bought this unit from a local junk shop (was used by a defunct provider, SelecTV, and was rebadged SD-2000S for the provider), and upon opening it, C14 (1000uF 16V Luxon LU, on the 7.5V rail, which is also connected to a 5V regulator near the tuners) on the power supply board was bulging and bringing down this rail, subsequently causing unreliable reception.
Replacing this capacitor (along with the others) fixed this problem.

My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics.
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Th3_uN1Qu3

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Join Date: Jul 2010

Posts: 6030

Country: Romania
#2

12-14-2011, 04:18 PM

Re: Arion AW-8700 series - bad Luxon LU

There's something about those oddball rails - replaced a Samxon GF on the 8v rail in my digital cable box last year, because it stopped receiving some stations. And yes that rail was feeding a 5v reg as well. I can see a pattern.

Originally posted by PeteS in CA

Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.

A working TV? How boring!
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