Dolby XP SR schematics needed

[jensenmann]

Does anyone have a copy of Dolby XP SR schematics (cards and PSU)? My SR needs some TLC
thanks!!!

 

[Walrus]

I'll try and put them up on the Groupdiy account tomorrow....

 

[jensenmann]

Thanks a lot, Kevin!!!

 

[Walrus]

Schematics now on Groupdiy....

 

[W DeMarco]

I think I have a couple of spare 461's if needed...

 

[Steven Paris]

How do I get access to those Dolby XP SR schematics??

 

[jensenmann]

Here: Schematics and Manuals

 

[Steven Paris]

I downloaded the files from that link, but when I try to unzip them, it says they are corrupted. ????

 

[jensenmann]

All the jpg files work for me. You should be able to view them in your browser.

 

[gyraf]

I'll raise with a snapshot:

 

[Steven Paris]

OK then. When I initially tried the download, my program assumed they were all zipped---didn't work. I was able to just view them as JPEGS, though--thanks!!!. BUT....the resolution isn't great enough for me to see the part numbers on the audio ICs. Can anyone tell me what they are?

 

[Steven Paris]

I wrote to Dolby support about getting a service manual for the Dolby XP-SRP multitrack noise reduction unit. They answered me!
Dolby_XP-SRP_Manual.pdf | Powered by Box
It appears that, indeed, the multitrack SR Noise reduction unit does use higher-quality audio ICs than employed in the 363 stereo version. The XP-SRP uses NE5532s.