Question about NEC MultiSync LCD4010 40 in. Television
Sound no picture back light ok, please help.
A matter of broken electric electric capacitors inside your TV.
- Open backplate (loads 'o screws and ruins your warranty)
- Remove the connectors from the center circuit board
- Remove the circuit board via 4 screws located on the side
- Remove plastic on the back of center circuit board
- Remove cooling plates of circuit board
- Look for bulging capacitors
- Solder these out
- Go to local radio shack, take the capacitors (and spend about 5$)
- Resolder new capacitors
- reinstall circuit board
- Hook everything up and close the back plate
Voila! (at least, this worked for me)
Posted on Nov 01, 2009
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Posted on Jan 02, 2017
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Let verify first to narrow down to where the problem can be. First, make sure the MUTE or SAP function is not activated, and then check the on screen sound set up menu to make sure the speakers are not set to OFF. If the setting is OK, then attach the powered PC speakers to the Audio Line out RCA jacks (Red and White) to see if you can get the sound there, if you do, then the problem can be in the power amp circuits, if you do not get the sound at RCA jacks, then the problem can be in the sound processor circuit. Please post back what you find.
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
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