Kyocera R-851 schematics

[routhun]

Hello All,

I got this receiver from someone. It has the power amplifier with 2sk405/2sj115 MoSFET pair output stage and 2sk270 in the input differential stage. I would love to have service manual /schematics of this receiver. If you have one, can you please share with me?

Thanks,
Routhun

 

[joetama]

I also have one of these receivers.

I have been looking for the schematics, but haven't found them anywhere. 🙁

 

[GEirin]

Hi.

I have schematic power stage Kyocera R-861.

GEirin

 

[joetama]

Hmmm...

I found the schematics in another place...

However there is some differences.

I'll post a copy of mine later.

 

[routhun]

Hi Joetama,

I know that R-861 is having Bipolar output stage and R-851 has MOSFET output stage. It would be great if you can send me the electronic copy to my personal mail routhun@gmail.com

Thanks,
routhun

 

[joetama]

Hi Joetama,

I know that R-861 is having Bipolar output stage and R-851 has MOSFET output stage. It would be great if you can send me the electronic copy to my personal mail routhun@gmail.com

Thanks,
routhun

Check your email...

 

[routhun]

Thanks a lot Joetama.

Routhun

 

[joetama]

You are very welcome.

I know what a PITA it was to find that schematic...

ENJOY!

 

[phatChance]

Hello, I just picked one of these up at goodwill for $25 and fried some resistors within about 10 minutes use. Instead of return it I'd just like to fix it. Any way I can get ahold of the schematic for the 851?

 

[routhun]

send me your email address to routhun@gmail.com

 

[phatChance]

Transistor Replacement.

Hello, turns out one of the transistors is bad which is why a bunch of resistors went up in smoke. The model number for the mosfets in the amp don't seem to match anything on line. They are 2SK272 O type. Would anyone know which transistors would be a good replacement?

 

[routhun]

Closest match in modern transistors would be 2sk1529 and 2sj200. My Kyocera receiver, R-851, has 2sk405 and 2sj115 they are also obsolete and costing quite a lot.

 

[Audiomind]

Hi, if anyone happens to still have the full schematic or service manual for the R-861 Kyocera, well, HELP!

Please send a PM to Audiomind here if you happen to have a copy that can be attached to an email.

TIA