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Sharp 28jf-73h watching tv and vol went up then picture and sound cut out tv is now unresposive

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I went out and got a new tv

Posted on Sep 23, 2008

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Mitubishi WD65731 lost sound and I cannot control the volume on the TV or with Remote


check your cables and make sure the vol- button isnt physically stuck

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Watching tv last night and the tv went blank,no picture but still had sound.had this on all channels.is there a projection lamp on this tv ?


You have a CRT projection TV. There's no lamps in this that can be swapped out. The technology is very similar to a glass tube CRT TV.

If the picture disappeared but you still have sound then you haven't pressed the wrong input or pressed the picture mute because sound would go too. As a quick check, try any function (vol, contr, bri etc) that normally brings up an onscreen display. If that has gone too then it's a TV issue with the drives to the three tubes. If the OSD is still visible, then the problem is either a source signal issue (broken or disconnected cable; menu changed to affect the signal output of an external source) or the TV isn't processing the signal correctly.

For TV problems where something has broke, the answer is getting the TV repaired or replaced.

Sep 12, 2014 | Televison & Video

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A brief history: fixya helped me change my bulb (been receiving a "replace bulb" message for awhile until my picture went black). The picture now is snow, not black which seems to me to indicate the bulb...


Since you do have sound but snow for picture is your TV 54J or 54U chassis the PT50DL54J chassis shows 4 tuners also Have you look for Leaky or Bad capacitors if they are puffed up on top they are Bad 2200uf 25v 1000uf 25v Look for bad capacitors on tuner Boards, and I have seen where they are on Power supply board that will affect Picture.

Dec 04, 2009 | Panasonic PT-50DL54 50" Rear Projection...

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My Sharp 42" LC42D85U tv 1 month old no picture or sound


i would take it in and have it repaired while its got a warranty on it...or take it back to the store you got it from and ask them to replace the set.

Feb 01, 2009 | Panasonic PT-56WX53 53" Rear Projection...

1 Answer

My Hitachi TV model # 57f710s doesn't have picture or sound.


It very well could be the flyback unit around 70.00 for part!

Dec 07, 2008 | Televison & Video

1 Answer

Sound but no picture


It's most probable that your lamp is busted, since the tv didn't went out completely. Replace the lamp and you'll be fine :)

Sep 01, 2008 | Panasonic PT-53WX53 53" Rear Projection...

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I have a 32 inch sharp tv and it has been working fine, but i just went to watch a dvd and got sound from the dvd but a green, disjointed pattern instead of pictures. i switched dvds and it was the same...


there is a possibility that you have switched the RCA cables for the right port, the color patterns happen if your plug the component RCA ( Y Pb Pr) on a diff port. their usually color coded so please double check that to.

e733778.jpg if not, please let us know what is the model number of the TV and we will find what can be done in the TV.

Aug 10, 2008 | Televison & Video

1 Answer

Sharp model LC-20B6U-S now has no sound or picture. While watching TV yesterday everthing went out. Screem appears to come on but no picture or sound.


By this description it sounds like you have backlight to the picture which means the power supply in the set is working and the inverter board which powers the screen is working. Your problem may be on the main board if this is the case. I have repaired this set for the same symptom with two different problems. First it could be on the inverter board, and second it could be on the main pcb. Once on this model a piece of metal heatsink slid down due to operating temp. of set and touched bottom of main pcb causing a failure of the sound and picture. Either way, if you have no on-screen-display you will be replacing a circuit board. If you whine loud enough to the mfg. co. they may help you. But good luck.

May 29, 2008 | Sharp Televison & Video

1 Answer

Lost picture


sounds like video card failure mode, 101..you a technically adroit person?

Apr 03, 2008 | Televison & Video

1 Answer

RCA P46130 no picture


i tried unplugging mine when the picture went out. i left it unplugged for about 10 to 15 minutes. still no picture

Jan 10, 2008 | Philips 50P8341 50" Rear Projection...

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