Yamaha RX-300U Schematic

BrianDonegan · 11th October 2005, 03:33 PM

Looking for a schematic for a Yamaha RX-300U sterao receiver... Any help would be appreciated.

BrianDonegan · 5th May 2006, 07:56 PM

Still looking... anyone?

dce · 6th May 2006, 01:26 AM

are you sure about the model number??
not RXV300K??? How od is the unit?
I have some Yamaha receivers schematics.
there are some yamaha receiver that their equivalent model
starts with the letter HTR if you know that pls.
let me know maybe I can help. but i will not make any promises.
thanks

BrianDonegan · 6th May 2006, 12:15 PM

It's from about 1989. 2-channel receiver. Pretty cheap.

I'm really just interested in it's variable loudness circuit for a little project i'm building.

dce · 6th May 2006, 04:46 PM

Brian,

I have the IC Data, Block Diagrams, Phantom Views & Schematics
for RX360 which is pretty much same with RX300 that you are looking for. It also got the variable loudness control. This one was manufactured 1990, if you are interested pls. let me know.
I will email it to you. Give me your email add.

Regards,
Danny

jdwestwood · 12th August 2010, 06:03 PM

If anyone is still following this post I could use the schematics for my Yamaha RX 300. Seems to have a bad relay. Clicks but won't power up.

Thanks in advance for any help.

J.D.

11th October 2005, 03:33 PM	#1
BrianDonegan diyAudio Member Join Date: Dec 2004 Location: Rock Ridge	Yamaha RX-300U Schematic Looking for a schematic for a Yamaha RX-300U sterao receiver... Any help would be appreciated. __________________ Twisted Pear Audio

5th May 2006, 07:56 PM	#2
BrianDonegan diyAudio Member Join Date: Dec 2004 Location: Rock Ridge	Still looking... anyone? __________________ Twisted Pear Audio

6th May 2006, 01:26 AM	#3
dce diyAudio Member Join Date: May 2005 Location: Seattle	are you sure about the model number?? not RXV300K??? How od is the unit? I have some Yamaha receivers schematics. there are some yamaha receiver that their equivalent model starts with the letter HTR if you know that pls. let me know maybe I can help. but i will not make any promises. thanks __________________ Danny

6th May 2006, 12:15 PM	#4
BrianDonegan diyAudio Member Join Date: Dec 2004 Location: Rock Ridge	It's from about 1989. 2-channel receiver. Pretty cheap. I'm really just interested in it's variable loudness circuit for a little project i'm building. __________________ Twisted Pear Audio

6th May 2006, 04:46 PM	#5
dce diyAudio Member Join Date: May 2005 Location: Seattle	Brian, I have the IC Data, Block Diagrams, Phantom Views & Schematics for RX360 which is pretty much same with RX300 that you are looking for. It also got the variable loudness control. This one was manufactured 1990, if you are interested pls. let me know. I will email it to you. Give me your email add. Regards, Danny __________________ Danny


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12th August 2010, 06:03 PM	#6
jdwestwood diyAudio Member Join Date: Aug 2010 Location: Helsinki	If anyone is still following this post I could use the schematics for my Yamaha RX 300. Seems to have a bad relay. Clicks but won't power up. Thanks in advance for any help. J.D.

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