Question about Toshiba TZ50V51 50" Rear Projection Television

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Tv goes on and off, no visual or sound

I have a toshiba tv, model #52HM84, serial # 20761273. When I turn the tv on the power light comes on but the screen doesn't come on, so no visual or sound. Then it shuts off, and shuts back on. It does this the entire time that it is on.

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I checked Toshiba's website and found the manual for the set. The self restarting was indicative of a lamp failure. The red light was solid while the green light blinked. It would then restart 8 times before both lights would then begin blinking.

Posted on Dec 12, 2008

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The TV is on protection because a fault has been detected, try first unplugging the power cord.

If it does not fix the error, it may be time to replace the lamp, or there may be an internal fault.

Posted on Dec 12, 2008

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Its definately the problem of main board of the unit and the board needs to be checked with a multi meter and faulty components should be replaced to make it proper.

Posted on Dec 12, 2008

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1 Answer

Turn tv on and no picture onloy sound and then turns off then turns back on


This is a common symptom for the lamp being burnt out.
The TV set detects that and goes on a safety mode.
The lamp part number needed for this TV model number is TB25-LMP you can find this lamp on various online stores.

Mar 22, 2013 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

When I turn on the TV the sound comes on but there is no picture. It turns off/on automatically several times then the green and red lights blink with no sound.


this is common problem for rear projection TV set's you have to replace the BULB after a approx. time of 2 years I found the lamp you need

http://www.discount-merchant.com/SearchResults.asp?Search=52HM84

Sep 17, 2010 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

My 52" Toshiba DLP just dropped an HDMI connection... There are two connectors on the back, both have worked fine until just now when one disappeared from the inputs menu on the screen.


Hi,
I'm not sure about your tv model as question post shows it is Toshiba 52HM84 that has one HDMI input at rear and you said 3 HDMI inputs in your tv.
Please unplug tv from wall socket for minute or so to get it reset, replug back in, turn it On and check its HDMI inputs appear or not.
Also check for Reset option in Menu for factory default settings that can also help you to get back disappeared HDMI inputs.
If all that does not solve the issue then it seems hardware problem with HDMI circuit board and tv repairman is needed for visual check to get it fix.
Hope these info will help you.
Thanks.


Jun 04, 2010 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

Problem with Toshiba DLP Projection TV Model #52HM84


It is possible the lamps may be defective or that they may be the wrong replacement for this model, as it may have a different wattage setup with the ballast. If you want to try to order the TB25 lamp from a different vendor, you can order the original Toshiba replacement lamp for this model (52HM84) from a major Toshiba parts distributor at the link below:

Toshiba 52HM84 Replacement Part TB25 Lamp / Bulb

Apr 10, 2009 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

Screen remaining black after the TV is turned on


Some newer sets appear that way when there is NO signal to the set. That and my Sony looks like that when the bulb is burned out.

Dec 23, 2008 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

TV has sound but no picture


It is possible one of the internal fuses blew out.
It could be a bad horizontal outut transistor.
It could be a bad secondary of the power supply went bad
And many other things.
If it's just a fuse, it won't cost much, but a lot of them do not look like you would expect a fuse to look like.It might be a little yellow, green, or gray rectangualar box shaped part. :D

Dec 16, 2008 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

Toshiba 52HM84 DLP TV with new bulb but the lights keep blinking


They exact way the lights blink are telling you what the failure is. If the tv is firing the lamp and the lamp is bad, you will hear a buzz sound for about 1 second. The tv tries 8 times before it gives up and spits out the lamp error. Check the user manual for led diagnostics. If you put in a new lamp but still have issues, you've likely got a bad ballast (most common on this model) or colorwheel (less common). Both are part of the optical block (light engine) and I don't believe they're available as individual components from toshiba.

Nov 28, 2008 | Toshiba 52HM95 52" HDTV Projection...

2 Answers

Toshiba 2004


thats the protection ciruts causing the off and on,probably 1 of the modules.had simular problem with mine and it turned out to be the pcbaudio/video module a common problem with this mobel of TV costs about 168$ can for the module i hope this helps.From Moonbasealpha cheers mate....

Jun 14, 2008 | Toshiba TheaterWide 52HM84 52" Rear...

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