Question about Sony KP-53V75 53" Rear Projection Television

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Television won't turn on- no sound- no picture

Hello, I have a Phillips/Magnavox 50" projection tv (Model# 9P5034-C101- Serial # 27474473- Chassis # PTV835). The problem with this tv is it won't turn on -no sound /no picture - only the green light comes on at the control panel on the tv. What can be be problem? Thanks, Ray.

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Hi and welcome to FixYa,

Initially, the presence of the green light is indicative that power is reaching the electronics inside, at least the power supply board. It also indicates that the standby +5VDC is present. When you press on the remote to turn ON completely the TV, would there be a clicking sound (relay activated)? Or some other indicator that the rest of the electronics inside are receiving power? If none, offhand it would be suspect of the power supply board is not supplying mains B+, the TV is in Protect Mode,

This of course would require opening the unit, perform voltage measurements,determine faulty component and subsequent part(s) replacement. Further, a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron would be required. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings.Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Good luck and Thank you for using FixYa.

Posted on Dec 29, 2008

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In the tv there is a main board that board is the problem.as any of the capacitors or the ic are got loose or blown off and needs replacement to clear rthis problem. thanks.

Posted on Dec 29, 2008

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