Eric, please PM me and we'll talk JohnC

Hi Eric, How you been, OK I hope. I'd be interested in both, price dependent of course. How much you looking to get?? JohnC

Or maybe this?

How about these three:

Hi folks, How about a picture for a quiet Sunday, not much else going on. The twins and their red-headed step child. Enjoy, JohnC

HI Paul, The values shown on the schematic are correct for a 75µS de-emph 5100P + 2400p =7500p = 0.0075 µf X 10,000 Ohms = 75 µS or an f3 of 2123 Hz. If there's no switch you should see all 3 componen

There are some areas noted on the schematic, those dotted line boxes , which infer that AM autotune is only available on the US and multi national units (US & E) My best guess, in checking the units h

Hi Steve, You are now the recipient of the Internet Diagnosis Achievement Award. A dubious honor of limited financial value but well appreciated. I checked all the fusibles in the PS and found one R90

Hi Rick & Steve, I have two currently sitting here SNs 802725 & 803391 one fully operational and the other dead as a door nail. Initially I was heading for a recap on the working one in order to do a

Here's the pics but considering, as stated previously, this is the third one I've personally seen like this, a one off or fraken-tuner is not a possibility. Thanks for your continued input & thoughts.

Hi all, Thanks to all who responded but still no joy. I've attached a pic of the MPX/Audio section which clearly shows No OpAmp buffer anywhere, the wire loom(top left) is the output to the RCAs, with

Hi Folks, Has anyone got a schematic for the US version of this unit? Specifically the MPX/Audio section that actually gets close to whats in this unit. The hardware I have does not have the audio buf

Hi Ron, Thanks for the link, glad to see a fellow Hoosier posting here Regards JohnC

Hi Ed, I did a quick search over at Audiokharma and came up dry. I'm assuming its in the Tuner subgroup but what is the name of the thread and/or your moniker? JohnC

Welcome Ed, You can post away after you've logged in. The first couple might be slightly delayed for new member approval but after that no problem. Be aware of the rules, and again Welcome!! JohnC

Hi Mike & Bob, Here's a pic of a 7500 with 2 Bill Ammons adder boards with gain and a matched set of filters. I don't have a schematic of the design . Regards JohnC

Hi BRGAT, I have one of those knobs. PM me and we'll work out the details. Regards JohnC

I've seen others, of this work first hand. NOT a one-off JohnC

For the last 10 years or so a Denon TU 630 has been sitting in storage, alone, neglected and seldom used in rotation. A couple of weeks ago, after there was a request for the schematic, the 630 was pu

Hi Bob, Thanks so much. Exactly what I was looking for. Regards JohnC