Question about Projection Televisions

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No piture the screen is black. i have volume. it won,t even show the menu on screen

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Hi i do a lot of projector tvs. there are a few things it could be i will give cost prices to.

1 it could be high voltage problem flyback cost is 395.00
2 you have audio so tuner is working ok and cable feed ok
3 it could be power supply or horz problem that part to servicer is only 25.00 they charge 200.00
4 it could be your high voltage spliter common with this problem cost plus parts 195. to 295 the high voltage splitter only costs the servicer 45.00 dollars and they are easy to put in sometimes
but you do need a qualified person to do it . There is high voltage
and you have t be careful


to sum it up .you are not getting high voltage to turn tubes on or a weak signal . my guess with out looking at it is hv splitter

I hope this helped doctor video leadingedgeelectronics since 1987

Posted on Apr 29, 2008

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When i switch my tv on. I can hera the volume but no picture. Then the tv switches off and restarts until both the volume and picture is working. This could take up to an hour


yes. tv has a circuit which controls current to the red, green, and blue piture tubes. you wont get picture until they are balanced. adjust the screen controls until it comes on faster. it should only take maximum 20 seconds for a picture. gaurantee it will fix it. adjust the screen control

Nov 09, 2009 | Toshiba Projection Televisions

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Black box in middle of tv screen


This is a background for text, even though you aren't seeing any text at the time. Since it covers most of the screen, it sounds more like a demo mode screen than closed captioning. Go into your setup menu and make sure that neither of those is selected. If necessary, restore the factory settings. I'm assuming that this is coming from the tv itself, and that you don't have a VCR, Tivo, etc. Good luck!

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You have your TV in the "Teletext" mode. Go into the TV menu and select the closed-captioning menu and turn off the text function. What you are seeing is the result of the TV's captioning circuit latching onto a false text pilot signal and then throwing up the black box on the screen.


michtech

Feb 17, 2009 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

LC-32SB24U LCD HDTV... Brand new, just out of box. Turn on, goes to language menu for about 1 second max,too fast to adjust, then screen goes black and little green led power light starts to blink. And...


Good Day, texxastam;

Do this:

1. UNPLUG TV
2. HOLD IN VOLUME DOWN &INPUT buttons on TV
3. Plug in the TV. (the TV will turn itself on).
4. A blue "K" should now be showing on the TV screen, release the buttons.
5. Press and release the VOLUME DOWN & CHANNEL DOWN buttons simultaneously on the TV. (A blue service menu will appear on the screen).
6. Using the remote, press the DOWN SELECT button once. (The highlighted line should read INDUSTRY INT (+CAUSE) OFF
7. Using the remote, press VOLUME UP once (OFF changes to ON).
8. Press ENTER. After a few seconds the screen turns green and shows - Industry INIT success - at the top of the screen.
9. Unplug the AC cord for 10 seconds then plug back in.

Good Luck, big IRISH.

PS; I did not make this up... it's from SHARP> again good luck...you may have to do this several times....too...get the timming down.

Aug 07, 2008 | Sharp Projection Televisions

1 Answer

Picture is out!


fuse is out on the signal pcb

Jun 02, 2008 | Hitachi 53SWX12B 53" Rear Projection...

1 Answer

Panasonic tx-51-gf85h rear projection


Hi mate.
The problem is usually he 2 convergence i.c.s.
Breaking down under extreme heat. My fix after replacing these
I.c.s. is to mount a computer fan on the opposite side of the heatsinks and directing a slow and moderate airflow around the i.c.s.

May 27, 2008 | Panasonic PT-51G63 51" Rear Projection...

1 Answer

Menu will not display


If the channel and volume visual display was not set up on the menu to display on screen , neither will show up even if either the remote or set front button are used. Make sure that the tv button is selected on the remote to access the menu .If that does not work ,then either the batteries are dead or the remote is dead.If it is you will need a new remote,sadly. Then you can press the m button , select sound and then select "display volume" and check "during adjustment". The channel display settings are found on "features" from the main menu. Hope this helps.

May 30, 2007 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Menu, volume and channel emblems will not show up


take your set to a tech the tv system control circuit might have damage, that circuit controls OSD,channel memory. it is an ic that controls that circuit along with other components.good luck.

Mar 26, 2007 | Toshiba 43H70 43" Rear Projection...

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