Tengo un televisor Toshiba, modelo # 46XV640U. La imagen tarda unos minutos en aparecer, el sonido se activa de inmediato. ¿Alguna sugerencia?
SOURCE: Picture and sound go away after 2 minutes
Protection circuit fault kicks in. No vertical Deflection (V STOP),B+ over voltage protection (OVP), This is about a $150 -$200 to fix.
SOURCE: MITSUBISHI VS-4543
PVAT!!Look for bad connects--start w/easy first. Power supply,then vertical IC pins,then regulators.Take your time,be thorough.
SOURCE: Toshiba 43A61 - No Picture, no sound
If your set all of a sudden won't come on, e.g., the screen is blank, but the LED on
the under the screen next to the on/off switch keeps flashing, then there may be an
internal fault on the set that needs to be reset.
To force the reset, try this:
Whenever the set senses an internal fault through its monitoring circuitry, it
essentially shuts down the set. The flashing LED provides the indication that a
fault has been detected. Removing power to the set resets the monitoring
circuitry. When plugged back in, the circuitry again does a check of the
system. If it finds that there truly is a problem, then the set is shut down and the
LED will again flash. In this case, you need to call a service tech. Most of
the time, however, the unplug/replug routine is enough to get the set up and running.
SOURCE: Samsung DLP TV, no picture, has sound
Try replacing the ballast next. Its the small circuit board directly underneath the lamp housing. You can access it through the lamp door. If the ballast is overheating or has a leaking capacitor, the tv won't stay lit for more than a minute or two.
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