Technics SU8011 schematic

andymac62 · 17th June 2009, 05:03 AM

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

pacificblue · 18th June 2009, 03:21 PM

http://www.hifiengine.com/manuals/te.../su-8080.shtml

andymac62 · 22nd June 2009, 02:41 AM

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

17th June 2009, 05:03 AM	#1
andymac62 diyAudio Member Join Date: Mar 2009	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

18th June 2009, 03:21 PM	#2
pacificblue diyAudio Member Join Date: May 2008	http://www.hifiengine.com/manuals/te.../su-8080.shtml __________________ If you've always done it like that, then it's probably wrong. (Henry Ford)

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22nd June 2009, 02:41 AM	#3
andymac62 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