Question about Sylvania LC320SS8 32 in. LCD Television

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Zener diode D624 in Sylvania LCD TV is shorted.

Need voltage rating of this zener diode. I think its either 3.9 or 39 volt half watt.

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5 Suggested Answers

techman
  • 3130 Answers

SOURCE: tv does not power up

You answered on your own. (lol)If its suppose to be a standby 12 volt supply then whats the top voltage to be there?? 12 VOLTS!!! The value your looking for is a 12 to 13 volts 1 watt zener diode.. Im thinking your a handi man trying or attemting a repair?? please remember the HI voltage saftey issues, as these sets hold alot of HI voltage even after they are unplugged for a while. Good luck

Posted on Jun 28, 2006

  • 2 Answers

SOURCE: Need 3-digit TV remote code--Sylvania 15" LCD HDTV

many of the dish remotes have a "scan" option. This is what the installers use. You'll ned to read the manual. Its a one page explanation.

Posted on Oct 29, 2008

  • 356 Answers

SOURCE: about Sylvania TV

Hi malumbender,
Your tv dosn't have a digital tuner, in order to recieve OTA (over the air) digital signals you will need a Digital Converter Box.
Here is a link to a government website for coupons for the box. The coupons are for $40 off the purchase price of the box. There is a waiting list but they will come available as other coupons expire.
https://www.dtv2009.gov/

here is another site for antenna and channel line up.
http://www.antennaweb.org/aw/welcome.aspx

I hope this helps and please rate this solution, please keep in mind that a "Thanks For Trying" rating is negative.
Lone99star

Posted on Jan 26, 2009

taran_2005
  • 10515 Answers

SOURCE: sylvania tv model 6419TA. power supply problems

The solution woule be 5.6 v .

Thanks for using Fixya.

Posted on Mar 26, 2009

  • 230 Answers

SOURCE: Burnt Zener diode... Voltage spec??

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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