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Old 24th July 2007, 03:05 PM   #1
1LUXMAN is offline 1LUXMAN  Greece
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Default i need LUXMAN B-10 service manual

Hi to everyone .

I have two monobloc power amlifiers LUXMAN B-10 and i need the service manual because one of them it has serious problem .

Can anyone help me ?

Thank you in advance , Marinos !
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Old 24th July 2007, 03:47 PM   #2
1LUXMAN is offline 1LUXMAN  Greece
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Old 25th July 2007, 10:53 AM   #3
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I got no manual, but wanted to say...what a beauty!

Oh...but do try this guy:

http://www2.cgi.se/audio/

You might also try contacting Luxman.

http://www.luxman.co.jp/
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Old 25th July 2007, 11:26 AM   #4
1LUXMAN is offline 1LUXMAN  Greece
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Quote:
Originally posted by EchoWars
I got no manual, but wanted to say...what a beauty!

Oh...but do try this guy:

http://www2.cgi.se/audio/

You might also try contacting Luxman.

http://www.luxman.co.jp/
Thank you
but Sven from www2.cgi.se have not the s.manual .

Luxman do not answer to my mails !! Probably it changes again owner


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Old 25th July 2007, 11:31 PM   #5
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You need a friend in Japan to contact them...they may not read or speak English (or Greek).
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Old 26th July 2007, 01:47 AM   #6
anatech is offline anatech  Canada
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Hi Marinos,
That is a real beauty! Let's have an inside shot, please?

Luxman is normally a reasonably straight forward design. It shouldn't be that difficult to figure it out. We have not had a Lux distributor in Canada since Alpine came in direct and dropped the line. The next guy didn't help Luxman here at all. I did Luxman service for years and they usually did well compared to most other mass market brands technically speaking.

If you are very familiar with amplifier servicing, this should not be too difficult for you.

What is the serious problem that you have?

-Chris

Edit:
Quote:
Hear hoofbeats: expect horses, not zebras
Gee Glenn, that's a pretty black and white viewpoint you have there!
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Old 26th July 2007, 05:31 AM   #7
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It's just a general way to phrase Occam's razor (or the K.I.S.S. rule).

When I was a wet-bench tech in the semiconductor industry, I trained techs to troubleshoot and fix the gear. These were huge multimillion-dollar machines, using an array of technologies from robotics, motor control, thermal, optical, and air-pressure sensing, PLC's, PC's, pneumatics, and on and on. Guys would jump into problem with the most bizarre, complex theories about why the equipment was misbehaving. Did my best to tech them that 95% of all problems were basic and logical, and nowhere near as involved as their 'theories' suggested.

Of course, the saying can refer to a lot of other things as well...from UFO 'sightings', to 9/11 conspiracy loonies.
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Old 26th July 2007, 08:26 PM   #8
anatech is offline anatech  Canada
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Hi Glen,
Quote:
Of course, the saying can refer to a lot of other things as well...from UFO 'sightings', to 9/11 conspiracy loonies.
Still huh?

I agree with you though. Most guys look for the really wacked problems when they normally have a simple solution. It's finding the solution! The most difficult faults are the ones created by "technicians".

-Chris
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Old 27th July 2007, 09:26 AM   #9
1LUXMAN is offline 1LUXMAN  Greece
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Quote:
Originally posted by anatech
Hi Marinos,
That is a real beauty! Let's have an inside shot, please?

Luxman is normally a reasonably straight forward design. It shouldn't be that difficult to figure it out. We have not had a Lux distributor in Canada since Alpine came in direct and dropped the line. The next guy didn't help Luxman here at all. I did Luxman service for years and they usually did well compared to most other mass market brands technically speaking.

If you are very familiar with amplifier servicing, this should not be too difficult for you.

What is the serious problem that you have?

-Chris


Hi Chris

thank you for your comments and your help .

The 2 B-10 have serious damage from bad repair. The pre-driver stage is very complicated and sophisticated .

" ...It shouldn't be that difficult to figure it out... , ....If you are very familiar with amplifier servicing, this should not be too difficult for you....." He (my technician) cannot find and use the test points and he don't know the values of measurements The circuit of this amplifier they is exceptionally complex
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Old 27th July 2007, 04:44 PM   #10
anatech is offline anatech  Canada
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Hi Marinos,
I hate bad technicians. So, your amplifiers were "struck by technician". The previous guy should be shot. Especially since those are really nice units. What a moron!

I'll have a look around for you. I didn't even know that model existed. I will bet they are similar to something Luxman has already done before.

So, would you please take some pictures and post them. Send me full resolution shots at bhomester at gmail dot com. I want to see the PCB's on both sides.

-Chris
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