I have a Hitachi model 57F510 television 2005 and it will not power on either with the remote or the manual manual switch.

SOURCE: Lift-Master garage door opener Model 1045-6 1/3 hp

There is a thermal cut out in the motor, usually the motor must cool before the opener will operate again. If the opener only operates 3 times it must be heating up too quickly.
First you opener is only made to do your job for you, which is opening and closing the door. If the door does not operate properly manually the opener will not operate properly.
When the door is disconnected from the opener it should lift easilly, it should basically stay at whatever point you let go of it (midway and fully open) and it should close without slamming down. It does not matter what size the door is!!! If it does not something is wrong with your springs and the door can be VERY DANGEROUS!!
With that being said it sounds more like a static lock-up possibly a loose ground or even a circuit problem in the home.
Bryan

SOURCE: hitachi manual needed hitachi owners manual or user guide

Hello there
Here is a link to all Hitachi Plasma Tv manuals user guide owners manual and so on
I couldn't Find your model so perehps you should check again, but no worries the link is for ALL manuals so Enjoy It.

http://www.hitachiserviceeu.com/support/guides/userguides.htm

Tom

SOURCE: child lock

my daugter lock my sharp aquos with the child lock and i don,t know the pin

SOURCE: can I replace the screen on a hitachi 57f510 myself?

You can find a new OEM Hitachi replacement lenticular screen and Fresnal screen (availble together as the screen assembly) for a model # 57F510 from a major Hitachi distributor at the following links:


Hitachi 57F510 Replacement Part Screen Assembly (Fresnal Screen w/ Lenticular Screen)

And here's a link for the protection screen if needed:


Hitachi 57F510 Replacement Part Protection Screen / Super Shield

You should be able to replace it yourself with basic electrical knowledge.

SOURCE: My Hitachi Ultravision (60SBX72B) will not stay powered on.

No there is no reset inside you will need to have it repaired. Should not be a big problem your looking at approx. $200 to $300 for repair could be more if some out of normal shutdown problem.

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