Question about Toshiba 32HL67 32 in. LCD Television

Open Question

Tv turns on then picture goes black

The tv turns on for about three seconds then the picture goes away, but the sound is still working just fine.

Posted by on

  • Anonymous Dec 16, 2008

    I have the exact same problem with my 37" Toshiba LCD

×

6 Suggested Answers

  • 4 Answers

SOURCE: my tv has sound but no picture

If you haven't bricked this unit yet, or paid Syntax/Olevia's highway-robbery price to fix it (and pay STUPID prices to ship it to and fro), there is hope. Despite what Syntax and others say, it IS a replace-able part that can help get your TV to last at least another 12-24 months. During that time, you can save for a new, more reliable and reputable TV.

http://www.lcdparts.net/LCDTVInverterdetail.aspx?InverterOriginal=V144-001

This is a well-known (at least those of us who had ours fail before yours) symptom of a bad backlight power inverter, which, for the LT30HV is a pain in the arse to get to (it's behind the main power distribution board and motherboard w/Pixelworks chip). If you can take apart a tower computer and install I/O cards, you can do this. These parts are made cheaply in China with 64 weld points that fail 100% of the time - and many other 'name' brand LCD TVs use this exact same CCFL backlight inverter. I'm working on posting the procedure somewhere on the net. The procedure shown in MoniServ's website is on a Kreisen set, which looks FAR more easily serviced than the LT30HV.

Good luck,

Posted on May 26, 2008

dsacco86
  • 1077 Answers

SOURCE: The picture blinks on for just a second, then goes

The most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Posted on Jun 28, 2009

  • 21 Answers

SOURCE: the screen goes complete blank with sound still

I had this problem on my 42" Philips. Just got it yesterday and worked fine on the tv stand. As soon as I mounted the TV to the wall via wall mount system, I had the exact same issue you did. Figured it out today.

The wall mount was putting pressure against the center of the back of the tv (tv set had a slightly rounded back plate, and the mount was a flat plate). As soon as I put spacers (part of the wall mount hardware set) between the wall mount braket and the tv so there was no contact except at the mounting holes, the tv worked fine.

My theory is the pressure pushed the tv back plate against some board components which caused them to overheat (no air flow); or put pressure on internal connectors. I dont know.

Hope this helps, may not apply to your situation.

Posted on Sep 18, 2009

  • 19 Answers

SOURCE: Picture great then goes black

has to do with the main board like the other guy said go to www.shopjimmy.com way cheap and its that one cuz was told to me by the manufacturer you call tv repair man they give you all this **** it can be the power supply or the main board bring it so we can tell you just to get the money for checking it out go to this site get it but be real careful with the screen you can do it your self i did mines aint no science.

Posted on Apr 17, 2010

budmrtn
  • 11361 Answers

SOURCE: westinghouse lcd has sound, works

Thre 24vdc power supply or backlight inverter boards may have gone out, those are the places you ned to check first.

First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there are some troubleshoot you will have to do to find out the causes of the problem you are having.

Please read my guide to understand how LCD TV works.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Aug 12, 2010

gopakumarg43
  • 68301 Answers

SOURCE: I loose picture seconds after turning it on

Hello
There is shorted component/s on the main board of your TV. Just contact the nearest authorised serivce center for toshiba at your town.

Posted on Mar 10, 2012

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

My LG tv will go on then after a few seconds the screen goes from black back to picture of and on a few times then shuts off. Help!


LG LED TV has no picture (black screen) but still sound ...

www.tomsguide.com/answers/.../led-picture-black-screen-sound-fixed.ht...
7 days ago - My 32' LG LED TV has suddenly lost picture! The sound is all right but theScreen is pitch black. After switching it on the picture flashes for a second and thenthe ... LG LED TV has no picture (black screen) but still sound - can it be fixed? Tags: ... a touch on the screen reveals nothing so it's not the back light.

Monitor going black after 2 seconds [Solved] - CCM.net

ccm.net > Forum > Hardware
Oct 9, 2012 - Brightness goes down, display draws less juice, and you can at least use .... it's the LCD's Inverter ... you have to replace it for it to go back to ... If the screen is turning off every two seconds or so and then it comes ... i turn my tv on it comes right on, but then after a few minutes turns off, .... Digital Trends for LG. No display in monitor
Jan 11, 2013
Ps3 and hdmi cable
Oct 8, 2012
More results from ccm.net

TV with Black Blank Screen Repair How to Troubleshoot ...

? 3:16
https://www.youtube.com/watch?v=kFdVi2ejfzA

Dec 20, 2015 | LG Flat Panel Televisions

1 Answer

Tv no picture


It sounds like it's developed a serious fault, is it still under warranty or manufacturer return?

Jun 25, 2015 | Flat Panel Televisions

1 Answer

My Panasonic LED TV picture goes away after a few minutes


Could be a bad connection that disconnects when heat in the system causes it to expand. Take to a pro or call manufacturer, they might have a recall or free repair available.

Apr 03, 2015 | Panasonic TC55LE54 55" 1080p 120Hz SMART...

1 Answer

Samsung TV LN40B500P3f - No Picture ; just audio Hello, Our Samsung LN40B500P3f TV audio display is black; audio works fine. If I turn TV off and then back on the picture does display for a few secon


The set will need to be properly diagnosed to narrow down the problem. You could be looking at a bad inverter, bad CCFL lamp, fault in power supply or main board.

Sep 06, 2012 | Samsung Flat Panel Televisions

1 Answer

Haier LCD picture goes dark, sound only


hi, since your TV is under warranty,It is better to ask for a replacement a new one ..the problem is factory defect.

Apr 02, 2012 | Haier HL15R LCD TV

1 Answer

The picture on my TV goes black after few seconds


Hi my name is Roety,
I can help you with your issue ,
Sounds like a lamp going bad
No model listed makes it hard to guess here 
 
 
If I have helped you with your issue
If you have more questions you can still respond
I will reply asap
Thanks

Dec 15, 2009 | Flat Panel Televisions

4 Answers

Tv tunrns on then goes to stand by flashes 4 times & repeats


turn tv on picture comes up 2to3 seconds later tv blacks out then stand by red light flashes 4 times in a row repeatedly..can not turn on or off when stand by light starts flashing but before tv blacks out you can turn tv on and off repeatedly and picture and sound work.You have to unplug power cord for 30 seconds after stand by light comes on to get tv to turn on.

Mar 13, 2009 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

1 Answer

Black screen - sound works


westinghouse_w32701_27_in_hdtv_lcd
power on no picture good sound and channel page up and down works
on background u can see dark picture

Aug 15, 2007 | Westinghouse W32701 27 in. LCD HDTV

Not finding what you are looking for?
Toshiba 32HL67 32 in. LCD Television Logo

Related Topics:

188 people viewed this question

Ask a Question

Usually answered in minutes!

Top Toshiba Flat Panel Televisions Experts

The Knight
The Knight

Level 3 Expert

68250 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17129 Answers

Jaime Hernandez

Level 3 Expert

2267 Answers

Are you a Toshiba Flat Panel Television Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...