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Problem for Philips 30PF9946 30 in. HDTV-Ready Plasma Television
I Have a Philips LCD TV model#30PF9946D/37.
By kvladimirov on Nov 03, 2009
I Have a Philips LCD TV model#30PF9946D/37. Recently the picture disappeared and only sound and can change chanels too. I was told I need to repair the power supply! Can I change It my self ??? I read it's not so hard to replace the power supply board.Thanks!
Solution #1
posted on Nov 03, 2009
Oh yeah, you can most certainly change the power supply by yourself.
It's easy to locate - just follow the power cable - and easy to replace.
Only make sure to let it discharge before you operate it. 10-15 minutes disconnected from power should do.
However, there's no guarantee that the problem is in the power board.
There is a very good chance it is, in fact, not there.
There's another board which commonly fails on many plasma TVs and the effect is exactly as you describe. It's called Y-Sustain board and you can tell which one it is by looking at the side of your TV and seeing which large board has manny plastic connections that enter the display on the side.
That board often has one or two fuses on it - I'd check those first.
It's easy to locate - just follow the power cable - and easy to replace.
Only make sure to let it discharge before you operate it. 10-15 minutes disconnected from power should do.
However, there's no guarantee that the problem is in the power board.
There is a very good chance it is, in fact, not there.
There's another board which commonly fails on many plasma TVs and the effect is exactly as you describe. It's called Y-Sustain board and you can tell which one it is by looking at the side of your TV and seeing which large board has manny plastic connections that enter the display on the side.
That board often has one or two fuses on it - I'd check those first.
Yes
No
Solution #2
posted on Nov 11, 2009
You have an Inverter Board fault. This is an LCD TV.
Please check the links for a solution
http://www.ohmsupplies.co.uk/epages/62027733.sf/secMseDNBBr2Fo/?ObjectPath=/Shops/62027733
Please check the links for a solution
http://www.ohmsupplies.co.uk/epages/62027733.sf/secMseDNBBr2Fo/?ObjectPath=/Shops/62027733
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