Denon PMA-280 owners and/or Service Manual

Razorblade · 20th March 2009, 02:11 AM

Hi all,

i just picked up a used Denon PMA-280 Integrated amp, but it came without any documents. Its working fine but can somebody provide me with a scan of the owners and or service manual, i like to have all docs for the equipment i own, for completeness and or if something breaks down or needs some basic tweaking like cap exchanges etc.

Thanks for your help in andvance

Razorblade · 22nd March 2009, 10:43 PM

So ...

well i just opened the Amp for the usual dust removal an had a look at the board layout, so far i could identify a NE5532 in the phono preamp section, i guess this one will get changed to something better ... later

I also recognized a lot of electrolytics but i cant judge if they are in the signal path and could / should be exchanged to something better.

I already did a basic modding on my mid-quality DCD-560 and its reay improved now, but since i dont feel confident messing around in an amplifier without exact knowledge of what I am doing my question is :

If i get the schematics of this amp (seems i have to buy them), is anyone here willing to have a look at the design with me and suggest possible basic modifications ?

Thanks for your help
Simon

20th March 2009, 02:11 AM	#1
Razorblade diyAudio Member Join Date: Jun 2008	Denon PMA-280 owners and/or Service Manual Hi all, i just picked up a used Denon PMA-280 Integrated amp, but it came without any documents. Its working fine but can somebody provide me with a scan of the owners and or service manual, i like to have all docs for the equipment i own, for completeness and or if something breaks down or needs some basic tweaking like cap exchanges etc. Thanks for your help in andvance

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22nd March 2009, 10:43 PM	#2
Razorblade diyAudio Member Join Date: Jun 2008	So ... well i just opened the Amp for the usual dust removal an had a look at the board layout, so far i could identify a NE5532 in the phono preamp section, i guess this one will get changed to something better ... later I also recognized a lot of electrolytics but i cant judge if they are in the signal path and could / should be exchanged to something better. I already did a basic modding on my mid-quality DCD-560 and its reay improved now, but since i dont feel confident messing around in an amplifier without exact knowledge of what I am doing my question is : If i get the schematics of this amp (seems i have to buy them), is anyone here willing to have a look at the design with me and suggest possible basic modifications ? Thanks for your help Simon

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