I'm a bit reluctant to post this, but I don't think it violates any forum rules, so I'll bite. Back in 2016, I made a dump of a FTP server that belonged to 3Y Power Technology in China. The FTP was completely public and unprotected back then, so I didn't break any laws by doing so. Most of the contents even used to be indexed in Google, that's how I found it in the first place. Well, it's been 6 years now and the FTP is long defunct, so I doubt anyone will care. But in case somebody does:
download and save it while you can!The company has been manufacturing SMPS for server markets, I've seen HP, FSP or Juniper, among others. I didn't see any schematics, but for many SMPS, there are various technical reports, statistics, assembly instructions and the like. The repair crowd here will be probably most interested in RMA failure analyses which list the most problematic components. Note that lots of the files are just slightly different versions of the same document, lots of them are in Chinese and lots of them are completely garbled (due to bad character encoding, I think). Still, here it is in RAR archive, it has 2800 MB:
https://mega.nz/file/93Y3jIYJ#5Pkyl3u39G__G1n5jOfIX7wRkilpjCZu2jurQaEdoBwAnd here is list of some 3Y products I've seen in the files, but I'm sure there are more:
YH8451
YM-2451CER
YM-5501A
RR-3514-00
YM-3571AAR
FSP288-3F03
YM-6151AAR
YM-1151BAR
YH1361-OAAR
RP-3863-00
YM-2651BC02R
FSP118-3F01
YM-4151AAR
RRG-4514-00
YM-2181BAR
FSP225-4F01
YH6501-1KAR
YM-3591AAR
YH5721-1BAR
FSP368-4F04
YM-6221AAR
YM-3301BAR
YM-2531BAR
RM-5803-00
EVP-3606-00
YM-3201AAR
YM-5301GER
YM-7381CB02R
YM-7421DAR
YM-5561ABR
FSP030-1P04
YH7761-2AR02R
YH8451-1BE04R
YM-2301CAR
FSP350-80EVMR
YM-2102BBR
YH5721-1AB05R
YH8651-1BA08R
YM-2361EAR
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