As bad as it is to reply to one's own emails, I've done some testing and found:
- The AC inlet fuse (2.5A 20mm ceramic cartridge fuse) is blown. And by
blown I mean completely open - infinite ohms. I can't use the "is the fuse
melted (soft blow) or metal coated inside (severe overload)" trick because
it's a ceramic-body fuse...

- All the rectifier diodes in the PSU section appear to be functional -
0.5V forward drop, "infinite" reverse drop, according to my DMM.

- The thing is absolutely full of "Luxon" electrolytic capacitors. Best
guess about 20 of them. That and the fact this thing has an mfg date of 2001
puts it square in the "counterfeit capacitors" time frame and makes me bloody
suspicious. No signs of cap leakage or bulging caps, but I'm still suspicious.

- The case is really easy to open up. No latches or hidden screws at all.
Put the CRT face down on a towel (unless you WANT to scratch the CRT that is),
remove all the screws on the back (4 around the front edge + 3 on the back
panel) and lift the back away from the front section, shaking it gently if it
gets stuck. Reassembly is just as easy - put the cover back on, then refit the
screws.

- All the PCBs are marked with a logo that looks like "JEAN" - i.e. these
guys: http://www.jean.com.tw/. So 99.9% chance it's a Viewsonic rebrand of a
JEAN monitor. Why am I not surprised? Service info appears to be available,
but only to those with a username and password, and no hint on how to apply
for access. Yay.

I've found a few of the part numbers too:
Monitor P/N: VCDTS22475-1E
CRT: Chunghwa M41AJR53X76 / CP5440BNAC1S-TC / No. B 1163581016
Mainboard:
G73FM
2202116700 VER:1.06 2001.04.20
Audio riser card:
2202117200
Barcode sticker on mainboard:
7562-00191-01050-0.0-A15025


Thanks,
Phil.
(replace 'despammed' w/ 'dsl.pipex' to bypass spamtrap)
http://www.philpem.me.uk