Question about LG Electronics LRM-519 Digital Media Recorder

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Replaced C18 and C36, but problem persists

I have an LG LRM-519 which was exhibiting the same behavior as you described. It stopped working one day, and said only "HELLO" in dim letters. It wouldn't boot, the fan wouldn't spin, couldn't eject the disc tray, nothing on the video output.

I purchased capacitors of the proper voltage, µF rating, temp. rating, etc, and followed your tutorial exactly. The only slight difference was that op-amp website wasn't working, and I got the capacitors from MOUSER electronics instead, and they were just a tiny bit thicker cans. (http://www.mouser.com/Search/ProductDetail.aspx?qs=sGAEpiMZZMsCnlYck6hSqLe7oeTryfDCbOyJLyxSL40%3d) They ended up fitting anyway. I removed the old capacitors, and replaced them with new ones, being careful to maintain the correct +/-. The solder points look good, there doesn't seem to be a short anywhere, however, when everything was said and done, all put together and plugged in, it just did the same exact thing.

"HELLO" in dim letters. Nothing else.

I've searched the boards for anything else that might appear broken, but everything was unremarkable. The old capacitors that I replaced appeared to bulge slightly at the top, so I was sure that was going to be it.

I was wondering if you might have any other ideas of things I might try.
jbmcsorley's video was great, and I really feel like I followed everything to the letter. I was really expecting it to work. Let me know if you have any ideas,

Tony

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  • 47 Answers

It sounds like power supply failure. Can you measure the output voltage of the power supply? It should have +5v and +/-12v. Measure with black lead of multimeter on the metal case, and red lead on the power supply output connector.

Posted on Jul 25, 2009

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