Released in 2008, the Sony Walkman NWZ-E436F is a portable media player with a 2-inch screen. It can play audio and video and has a built-in FM radio tuner.
hdh, sounds like it may be time to disassemble your iPod. Check the make sure that the plastic tab is till properly seated to move the actually switch. Download the service manual from here if you need help with your Walkman. Hope this helps, good luck.