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Chip Amps Amplifiers based on integrated circuits

Technics SU8011 schematic
Technics SU8011 schematic
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Old 17th June 2009, 04:03 AM   #1
andymac62 is offline andymac62  Australia
diyAudio Member
Join Date: Mar 2009
Default Technics SU8011 schematic

Does anyone have a schematic for this amp.
I have to repair my teenage sons amplifier, which has a blown right channel.
The schematic will make my job much easier.
Thanks in advance
andymac1962 AATT hotmail DDOOTT com
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Old 18th June 2009, 02:21 PM   #2
pacificblue is offline pacificblue  Germany
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Join Date: May 2008
If you've always done it like that, then it's probably wrong. (Henry Ford)
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Old 22nd June 2009, 01:41 AM   #3
andymac62 is offline andymac62  Australia
diyAudio Member
Join Date: Mar 2009
Hi Pacific, that link was to the SU-8080. I have the SU-8011.

I am thinking about using a LM3876 instead of the STK0029 module. As far as i can see, the STK0029 doesnt have emitter resitors (even external to the module) and the amp doesnt have any trimpots to adjust the quiescent current.
Having the schematic, will mean i dont have to trace out the circuit to figure out where to connect the LM3876 into the existing circuit.
Technics usually put their tone stack after the volume control, but not always, so i guess i will have to trace it out.
I was hoping to get the schematic, rather than spend $20 to buy a service manual.
If anyone can help, it would be appreciated.

Cheers Andy
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