Question about Toshiba REGZA 42 in. Flat-Panel LCD HDTV
I have had this toshiba regza tv for just over a year - and all of a sudden the sound as gone - picture is perfect. I have taken the cables out and put back in. I have taken the mains and put back in, i have turned the tv on and off - and still no sound. Any ideas on how to get sound back - is this a common problem??
Does the sound icon move up like it should on the screen when you increase the volume?
Posted on Dec 09, 2017
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Posted on Jan 02, 2017
SOURCE: No picture, just sound
No new video card required. I just reset the television by holding the on/off button for five seconds (yellow light on front panel blinks repeatedly). I then cycled power using the remote control and my picture came back. Worked for me. Hope it works for you.
Posted on Jul 16, 2008
You have the TV connected to the cable box with an HDMI cable, I'll bet. The problem is with the cable box. If you unplug the cable box and plug it back it it will reboot and proabably work. You should connect the cable box to the TV using component cables and you won't have this problem again.
Posted on Nov 11, 2008
I had the same problem last night - sound but no picture form any of the inputs - DVD, VCR, FIOS or antenna. I could still see the TV menu. If you go to the TV menu - you can go to the settings (far right top), from there you can choose to restore factory settings, usually needs a code - 0000 (if you did not choose a different one), select yes when prompted if you want to restore factory defaults. This brought my picture back. I lost all of my picture preferences i had set - but at least I got a picture! I hope this helps!!
Posted on Apr 02, 2009
There is an issue with the audio processor. Most likely it is the main board needs to be replaced in order to fix the issue. You will need to remove the back cover in order to get access to it.
There could also be an issue with the power supply supplying the right voltage to the processor. This can be checked by seeing if the 18V DC is present at pins 3 and 4 of CN90 on the power supply. If the voltage is present, then replace the main board. If it is not, replace the power supply.
Posted on Nov 09, 2009
Go to menu on your remote control and select picture setting and try selecting "default" setting to seeif you like the color, if not adjust contrast to about two thirds of the way and brightness to your liking and color to about the middle.
Posted on Jan 17, 2010
Tips for a great answer:
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http://www.mediafire.com/?zzjygannjty PDF download
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
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