Question about Hitachi Televison & Video
Picture disappears after 2hrs
Posted by Anonymous on
Back - light problem. 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 27, 2016
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Posted on Jan 02, 2017
SOURCE: TV No Picture
My 32D40U would turn on for 5-10 seconds (Please Wait would appear) and the screen would go black. Sound Normal. It would also sometimes do this after running 5-10 minutes. I read somewhere that the inverter board would come loose and lose proper ground. I took the set apart, removed the board, and cleaned up the grounding points. I reassembled using some copper paste on the ground points and LockTite on the screws. I used some contact cleaner on all the connectors going to the board. I noticed two cables that are covered with copper shield tape where too tight at their connectors and repositioned the tape to give them some slack. The problem hasn't occurred since the fix.
Posted on Mar 22, 2008
Do you know if i can use an inverter from any LCD tv, or does it have to be specific to that model? I was thinking about taking an inverter from another broken TV.
Posted on Jun 23, 2008
go in touch wit HITACHI costumer help and service and tell them ur problem u have.....how old is ur TV?
hope u get a answer from hitachi....and good luck
Posted on Mar 12, 2009
probably needs new scan drive board along with upper and lower buffer boards. it wont be cheap and its best to have a tv shop do it.
Posted on Aug 30, 2009
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