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Posted on Jan 02, 2017
No I think your problem is the horizontal output transistor blew out an that was a result of the flyback transformer going out or blowing up.. Good Luck TO you.
Posted on Mar 25, 2007
I have one screen for the model l271170w1 please let me know if you want it. to set up pricing. firstname.lastname@example.org jribotatgmaildotcom
Posted on Apr 29, 2009
On the cathode of the zener diode look for a filter cap and check its value the voltage of the zener should be less than the working voltage of the zener. Basicly its likely being used as a shunt regulator as protection and regulation of the voltage. When the zener hits a certain threshold it will breakdown and start conducting to ground until the supply regulates and then it will recover. If the filter cap for that voltage rail was 25V I would guess that the zener would probably be regulating between 12 and 20 volts. I'd pick a 15V Zener its probably +- %10 on the original and any system should be able to take a %10 tolerance as a general design rule.
Posted on May 07, 2009
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Dec 15, 2011 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
Nov 29, 2011 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
May 21, 2011 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
This is an indication of out-of-regulation in the power supply section. The very
common caused of this fault is the leaky
electrolytic capacitor in
that section. It will drop the supply from normal voltage and
will disable the unit.It needs a little warm-up to make itself stable but the
symptom will get worst, times will come that it will not power up at all. Sometimes it has a bulged/dome at the top but not all, it is better
that you have a capacitor
checker/tester to determine
its condition. Your unit will back to normal again if the leaky capacitor is
If you don't have necessary tools
and test instruments, and can't do the job yourself, I would advice you to
look for a professional to troubleshoot the problem. Don't
attempt to work in the power supply if you don't know the safety precaution of handling it, there some stored
electricity enough to hurt you with a little mistake only.
Also check if your unit is under warranty /extended warranty,
avail it because the manufacturer of your unit will fix it for free. Don't open
the back panel, this will void the warranty.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.
May 17, 2011 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
May 01, 2011 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
Mar 02, 2011 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
Nov 13, 2010 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
May 22, 2010 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
Apr 19, 2010 | Sony Bravia KLV-32U300A 32 in. HD-Ready...
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