Question about Toshiba 27AF41 27" TV
The tv was turned off now it will not turn back on. When you plug the tv in, it sounds as if it's going to power on, then the red light starts flashing. We were told the tv is in a security shut down mode. We have checked all the fuses, and left it unplugged for more then a week. Still it won''t fully turn on. The light just blinks it sounds as if it will power on, then the light just blinks.
Yes, it's quite possible that you indeed may have sufferd from a Power Spike, induced by lightning during the storm, esspecially if plugged in during said storm. I have had quite a few customers ova the years with this exact problem. I always advise my clients to unplug ALL devices during a storm, and for ones that simply cannot be unplugged then some sort of Spike/Surge Protection device MUST be used. As a matter of interest, I have written many a report to insurance companies to support a claim for a replacement.
Posted on Aug 08, 2007
SOURCE: screen shuts off
my screen will turn on right after unit is plugged in and stay on for a short period of time, then it shuts off and the red light near the power button blinks and teh tv will not turn back on. there might be problem of loose contact in power supply Thanks
Posted on Sep 11, 2007
This sounds like a power supply problem, visually check the fuses and if they look ok, and you have a backgroud in electronics test to see if the set is prducing Dc voltage, you will need a multimeter and a schematic to do this with. However, if you do not have a background in electronics please take the set to a qualifide TV repair shop to have the repairs done.
I hope this helps.
Posted on Nov 14, 2007
SOURCE: Toshiba 32A32 won't turn on
just fixed one with that problem it was the vertical output ic Q301
that was shorted. try wicking it out. it is a LA7833S.
Postings say to be sure to use the Toshiba part
Posted on Aug 28, 2008
The TV is on protect mode.
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.
If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.
1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.
2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.
If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.
Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on May 22, 2009
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