Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Have sound no pic - Hitachi 50V500 50 in. HD-Ready LCD Television

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Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Posted on Oct 05, 2016

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Posted on Jan 02, 2017

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You may have lost 24vdc in the power supply for the inverter backlight circuits, or the inverter baord is bad. Look for 24vdc first and also look for bad leaking/bulging top caps in the power supply, there are also fuses in the inverter board.
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