Question about Flat Panel Televisions
Right out from box this tv never works. I know that there is power because the stanby light is red. When I press the on/off button on tv and remote as wel, the light turns green and blinks 2 times per second after few secons the light blinks faster then turns back to red.
Ihope you can help me. has been 6 months since a bought it. the 800 numbers from sylvania denied their help.
thenks in advance if you can respond to this matter.
SOURCE: Service menu codes
We had a problem on our flat tv 21 inches with model 21fx4al, when we press the power button to turn it on the red light flashes in more or less 3 seconds but no display at all. Please send us an immediate solution.
We are waiting for your feedback. Thank you.
Posted on Apr 20, 2008
I can rebuild the invertor boards in that model to fix the shutting off problem. The boards themselves are on eternal backorder. Email me at email@example.com for more information.
Posted on Sep 29, 2008
SOURCE: akai lct3201 power problem
I fixed my Akai LCT3201AD in about 30mins. using 3 small parts from
Radio Shack. Once I got the back off, I found the power supply board
(PSB), mine was part# MLT-169B rev1.2. I looked at the capacitors
(caps.) first, because they are usually easy to diagnose. I noticed the
caps. bubbled out on the top of the board (where all the cables connect
to it). There is 3 of them in a row, positioned between the two large
heatsinks. My guess is that the heatsinks are generating a LOT of heat
over time, because of bad ventilation, and causing the caps. to fail.
I went to Radio Shack and found 3 caps. (only had 3 in stock). The original ones were 16V-1000uF, Radio Shack only carried 35V and 50V in the 1000uF caps., so I bought the 35V ones and headed home, I removed the old caps. from the board, and installed the new ones. The 35V caps, are a little bigger, so its a tighter fit on the board, be careful. It took longer to remove the back from the TV than it did to do the soldering. YouTube.com has excellent videos on how to de-solder caps. on PSB's.
Total money spent on repairs:
$1.59 ea for 3 Caps. (part# 272-1032) $4.77
$2.99 for new soldering iron tip + $2.99
$1.00 donation for St. Jude's + $1.00
Total including tax $9.30
So for less than $10, I did a repair that my local TV repair shop wanted $575 for. Online stores want anywhere from $100-$275 for a PSB. If I get another 2 yrs out of it that's well worth $10.
Posted on Dec 16, 2008
You may be able to repair the board instead of buying a replacement board. If you are up to a little soldering it may save you a good bit of money for the repair. If you are interested just take a few pictures of the boards and email them to us at firstname.lastname@example.org We will check them out and give you some pointers on what to do. Most power supply issues with the blinking power lights are caused by blow capacitors on the power board. These are fairly easy to replace and the replacements are less than $20 usually. To get an idea what capacitors are and what will need to be do to repair you unit check out our pages at :http://www.ccl-la.com/blog/index.php/capacitors/ You may want to look over the repair guides for other units we have posted too. If you need parts we can also supply them for you. If you have any additional questions just contact us at: email@example.com
I hope this helps, If so please rate our solution.
Posted on Apr 19, 2010
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