Question about Akai LCT3201AD 32 in. LCD Television

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Power Supply I have the MLT169A power supply that has the 3 caps in the upper middle of the board. All 3 are raised on the top with a hint of brown stuff on them. Do you repair these? Thanks, Dean mobil1@fidmail.com

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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 31, 2008

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Yes, those need replacing.

Posted on Jan 07, 2009

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Bill

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