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Hitachi LE49s508 has sound but no picture. If you use a bright flashlight you can see the channel

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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pgh_pa_guy
  • 2992 Answers

SOURCE: sound with black picture,some reflection w/flashlight on screen

The problem is that your TV's backlight has gone out. Without this light, the display still works but you can't see anything. It may be that the backlight lamp has failed. But a more common cause is failure of parts called capacitors in the set's power supply.

I've never worked on a Polaroid, so I can't point you toward any specific parts numbers or values. You may be able to find more detailed information by searching for your specific model and "backlight repair". Capacitors are cylindrical parts that vary in size depending on their value. When bad, they often have tops that are bulging (should be flat) or have split open, and sometimes there may be discolored areas at their bottoms from leakage. Replacing bad ones with parts of the same capacitance value (marked on the part in mf or uf, as in 330uf) and a slightly higher voltage rating often fixes the problem. (Not always, because other things can go wrong.) Capacitors also have a polarity, so you need to make sure the new part goes in the right way.

A TV service shop could check the set if you can't find more information or don't want to try it yourself.

Posted on Apr 07, 2009

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  • 1 Answer

SOURCE: we have a Hitachi 42hds69

Here is what you need to do to fix this. Call Hitachi Global Storage Technologies & request for the firmware upgrade.
1-800-HITACHI (448-2244)

They will send it to you for free. You get a small SD card that plugs into the back of your TV just below the Cable Card Slot. I wouldn'd have known it was there unless the instructions in the mail packet told me so.

To determine if you need to upgrade go Into the Setup Menu. Then, Go to Software Upgrades & look at the software version. I had 0110.xxxx. the version I upgraded to was 0125.0000 & it fixed the audio problem on 7-1 & 11-1.

now all channels work great.

THANKS HITACHI!!!

Posted on Apr 12, 2009

robblana
  • 1 Answer

SOURCE: hitachi tv no picture

i have a hitachi tv and i tried to move it and i have sound but no picture could you help me with this

Posted on Dec 08, 2013

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1 Answer

When I turned on my vizio vo37om this morning, there was no picyture, screen is black. Sound is fine


Dim the lights in the room, turn on the set. Shine a bright flashlight on the screen, do you see a faint picture?

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1 Answer

Picture is very dark on all channels. Settings have not changed. Do I need to replace the bulb?


You may need a drive PCB. This PCB can cause the picture to be too bright, no brightness or picture too dark, intermittantly or permanantly. Do check the bulb though and see if it is foggy looking or dull especially if it has not been changed. Thanks for using Fixya.

Oct 27, 2009 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

We have a Hitachi 42hds69 tv no picture but have sound. I have sound and picture on most channels, but on 2 digital channels, I have beautiful picture, but no sound. help!!


Here is what you need to do to fix this. Call Hitachi Global Storage Technologies & request for the firmware upgrade.
1-800-HITACHI (448-2244)

They will send it to you for free. You get a small SD card that plugs into the back of your TV just below the Cable Card Slot. I wouldn'd have known it was there unless the instructions in the mail packet told me so.

To determine if you need to upgrade go Into the Setup Menu. Then, Go to Software Upgrades & look at the software version. I had 0110.xxxx. the version I upgraded to was 0125.0000 & it fixed the audio problem on 7-1 & 11-1.

now all channels work great.

THANKS HITACHI!!!

Mar 18, 2009 | Hitachi 42HDS69 42 in. Plasma Television

2 Answers

Hitachi tv no picture


It sounds like the tuner demodulator has failed. Many times I have found that it is cheaper to buy an external hi-def tuner than repair the one that is in the set. The fact that the tuner is finding channels but not displaying them is a good sign that the demodulator has failed. In one case I had with Sony rear projector, it would have been $800 to repair the internal hi-def tuner and the customer can buy an external tuner for $100-$200. Sorry if this is not the answer you wanted; if you fel this si a good response to your question, please be sure to rate me,. Thanks!

Oct 22, 2008 | Hitachi 26LD6600 26 in. HD-Ready LCD...

1 Answer

Green Screen


Sounds like the green tube is shorted.

Oct 06, 2007 | Hitachi 50VS810 50" Rear Projection HDTV

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