Question about Projection Televisions

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I have a hitachi 50inch 50fx48b for free and trying to fix it i can hear it turn on but theres no picture or sound and if i push the power button again u can hear it turn off any help would be very greatful james

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  • james_m29 Dec 08, 2008

    ive found the onboard lights to the tv 4 green and one red when i power it up the green lights come on then go out the red light stays on all the time where can i get a free diagram of the inside of my tv

  • Anonymous Dec 10, 2008

    what kind of price figure would a person be looking at for something like this a ball park price

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Hitachi has leds on the power board that will light up with the different supplies to let you know which is not coming up. there are small yellow chemical fuses that look like a plain yellow/green resistor with no lines on it. you can check them with an ohm meter to find the blown one. sometimes E994 will blow on the 120v line and you'll find a little blue "gumdrop" cap with a burn mark in it that caused it. the cap is just to the right about 2 inches in front of the horizontal output transistor (big transistor (3 legs) on a large heatsink

Posted on Dec 08, 2008

  • thielectronick
    thielectronick Dec 09, 2008

    there is a small diagram on the inside of the tv showing where the fuses and leds are. the ones that do not come up likely have a short on that voltage line, and blown fuse. unfortunately this is a component level tv, so you will have to fix your circuits and cannot just swap boards. i have poor luck repairing but can try to help if we know what fuse is blown (led doesn't light). a diagram is harder to find but i have the service manual somewhere.

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