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My display can’t be powered on. So I want to check whether there is a problem in the power module. But after all screws were taken down, the back cover still can not be taken down. There seems something behind support. How to take it down? thanks for support in advance.

Hi, Here is a link to the service manual for your monitor. http://elektrotanya.com/sony_sdm-hs75.pd… To download the file wait until the sentence below the Document Preview box changes fromThis file is downloadable free of charge: processing to This file is downloadable free of charge: Get Manual, then click on the Get manual to download the file. Scroll down to p.11 to see how to dis-assemble the back. Hopefully this is of some help.