Sylvania LC320SLX 32 in. LCD TV Logo

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A
Anonymous Posted on Dec 22, 2015

TV turns on but power, menu, channel switches don't work. When turn on TV, it goes to the HDMI mode only. Power on lights and other indicator lights does not work.

Model Number RCL320SL1 Replaced all the boards. Still same problem.

5 Related Answers

RonTV

Caltronic TV Repair

  • 12 Answers
  • Posted on Jun 10, 2009

SOURCE: WONT TURN ON

Most likely, the problem is a defective Main Processor Board. This is the board with the antenna, RCA and HDMI plugs. You cant repair or replace component parts on this board, so dont even try. You must replace the complete board. The TV says Sylvania, but it is a bloody Funia TV. Several years ago this foreign company bought out broke-azzz Sylvania . They are still carrying the Sylvania name since Sylvania was a popular TV name in the 70s. Every electronic company in the USA is now owned by the Chinese, so call Funai and order the part from them. Dont be surprise if they dont have a clue what the heck you asking for. America and all electronics have gone to the puddles. Do you know why? GREED.

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Anonymous

  • 27 Answers
  • Posted on Apr 10, 2010

SOURCE: Sylvania LD320SSX turns off by itself.

your powersupply is dying in the set.. have it checked..

budmrtn

Bud Martin

  • 11361 Answers
  • Posted on Jun 29, 2011

SOURCE: I press the power button

It goes into safety shutdown to protect itself, it can be due to bad power supply module or shorted circuits soem where in the set such as in the backlights inverter board.
It will require in-depth troubleshooting, please read my guides if you are going to DIY repair.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: http://interliquidparts.com/

Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.

walesarumi

Wale Sarumi KomputerSolution

  • 6993 Answers
  • Posted on Sep 12, 2011

SOURCE: Tv was working fine,no problems! Then went to

Hello,

The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board. You might be lucky it's just a blow fuse. Also a defective transformer can cause your TV not to power on.

First, remove the power cord from the wall, wait for about 5mins, then plug it back into the back and turn the TV on. If it still doesn't turn on, press the ch+ or Ch- button on the TV. If this still doesn't help, then it confirms that the TV has developed a power problem.

But more often bad capacitors causes problem on the power supply board. I do not think the power board needs replacement, rather those defective capacitors is causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board to save you some stress.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.

I hope this helps.

Regards.

Anonymous

  • 11896 Answers
  • Posted on Jun 19, 2012

SOURCE: my sylvania tv is stuck on standby

This is due to a bad power supply system which consist of an electronical board with capacitors on them that burn out.

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