The factory service does not service these at the component level. They swap boards, and re-adjust them to match if necessary. Component servicing something complex at the component level is more expensive for a factory service department than to simply swap out a board or two to make something work.
If the power supply has failed, the proper fix is to order a replacement board from Sony. It is possible that something else in the monitor may have caused the failure. You will find out when you try the new board.
You may find it more feasible to take the monitor to a Sony service centre. This will avoid you from having to buy boards to try, and then be stuck with them after if they are not required.
Considering the advancements in LCD monitors and their price drops, your monitor may not be feasible to service.
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JANA
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"alllw" wrote in message
news:1191803160.152794.122720@v3g2000hsg.googlegroups.com...
I have this Sony LCD monitor (SDM-HS75) that will not power on. Not
even 2 years old and hardly used once a week. Power on indicator not
illuminated. The power supply is build-in....no power brick used. I
have the Sony service manual but all it really shows you is how to
disassemble the monitor. No schematic! Hopefully just a fuse but
won't know that till I open her up. So if there is anyone with any
tips on fixing this monitor I would really appreciate some help.
Thanks, Al