Question about Hitachi 53FDX01B 53" Rear Projection Television

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No picture and no sound

Like the title says I get no picture and no sound from the tv. I check the fuse and it is fine, not blown. I opened up the back and took a look at at the LED in the back to see if they're all lite, and they are. I don't think its a conversion problem either. So I'm stubbed. I can hear the tv power on and the power light on the front stays steady on. I visually checked the circuit board and there was nothing apparently wrong. I even used a wooded stick to poke a some IC to see if there i was a crack in any of the solder joints. Anyone have more suggestion that I should look more closely at?

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Re: No picture and no sound

It needs convergence ic's.This unit has a auto-blank circut if it detects a problem with the conv. ic's

Posted on Mar 06, 2007

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1 Answer

No picture or sound

how about a light indicator, is there a light at the front panel of the tv?. if none check the power supply first, which may have blown fuse at the primary of the power supply.

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If no power or lights etc someone has to open and test voltages etc.

If beyond you---have set taken to a shop---a house call is usually a waste of time and money in this situation.

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You may have overloaded your audio output with the external speakers(impedance or short wire problem?)as a result the audio out i.c maybe damaged which in turn may have blown one of several fuses in the power supply.maybe regular GMA type fuse or picofuses,you can try replacing blown fuse but if they blow right back you`ll need the help of a repairman

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1 Answer

43FDX15B No picture, Power light stays on

Just a thought, but check all of the pico fuses for a blown fuse. The pico fuses look like a small yellow resistor. Some Hitachi's are famous for having a blown hi-volt ceramic capacitor and a blown pico fuse.
I think the red led on is a short protect indicator, but I could be mistaken.

Sep 08, 2009 | Hitachi 43FDX15B 43" Rear Projection...

1 Answer

Has sound but no picture screen completely black

If the TV is maintaining power but not displaying a picture or an onscreen display, there is a problem with a video board and it tend to be a capacitor problem and nothing to do with a fuse.  A fuse usually completes the internal circuit and if it were blown, you wouldn't have any power at all.  In any case, service is required as even a fuse is not usually serviceable by the owner on these newer TV's.

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Possible shorted cap C702 ? Open E994 pico fuse.....check
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1 Answer

No sound no picture

Does any lights come on led on front of set? Does set make any squealing sound when you press power? If not then open and look at power supply board. This is the board that the cord is attached too. look for open fuse, check 2004, 1000, 1300, 1900, etc. See if fuse blown then look for short in pwr. supply.

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Possible problems: * The TV set may be unplugged. * A fuse or circuit breaker may be blown or switched off. * The remote control unit (RCU) may be disabled. Solutions: * Make sure the TV/VCR are plugged in and the wall switch is on. * Check the fuse or circuit breaker. Test the outlet with a lamp. * Replace the RCU's batteries: if this fails exchange the unit.

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1 Answer

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If you're NOT still under warranty you should at least open the TV and look for a blown fuse near where the power cable enters the set. A lot of times you can buy replacement fuses at a local electronic or hardware store and they're easy to replace. Check the fuse. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. You can also check the board where the components are mounted and resoled any that look bad. Brief power outages may cause the TV to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. All can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your TV serviced. good luck!

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