20 Most Recent Toshiba Regza 32LV67U 32 in. LCD HDTV - Page 8 Questions & Answers

Check its audio settings with TV signal. Refer its user manual for details. If the color system have been changed, there will be no audio too. Set it with proper system, ie, PA:, SECAM, NTSC etc:- http://electronicshelponline.blogspot.com/

Check and replace damaged component/s at it main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis.

Check and replace its tuner. If you wish to get some details, check the site linked here. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

It sounds like the problem is in the power supply board (75012667 / PE0626C / V28A00084501). There is a repair service available for this board at http://www.coppelltvrepair.com/p/749/pe0626c-toshiba-75012667-power-supply-board-repair-service-dead-tv-or-dark-flashing-display. You may also want to check their blog for more information, or contact them.

Check the LVDS cable connections at its both end for any loose contact. Reset it once and check. To get some details, http://electronicshelponline.blogspot.com/ Pull up older posts. Screen shots to defective LCD and Plasma TVs are given. you can compare it to that of your TVs' and make sure about the fault.