root/LCDモニターの直し・LCD monitor repair/ - 32 ファイル English
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From: Matt on 2012-07-25 19:20:38
New components in place, waiting for the glue to dry, with the board precariously balanced on the vise in such a way as to not strain any of the leads poking out the bottom. Our friends at the Lucky Goldstar company used some sort of hot-melt glue for the high-voltage capacitors in the original assembly (photo earlier; blobs of it still visible on, for instance, the coil at centre left) and left most of the others unglued, held in place only by gravity. But they were probably using a wave soldering machine (which keeps the board component side up and solders it from below), whereas I'm going to be hand-soldering with the board component side down; gravity will not be good enough. And I didn't have a hot-melt gun, so I ended up using large blobs of Elmer's Rubber Cement. That's far from ideal. but it'll dry soft, it won't emit acid as it cures (like the silicone caulk I briefly considered), it's good for high voltages, and I had a jar handy.
From: Matt on 2012-07-25 19:22:50
The replacement 1000uF capacitors are a little bigger in diameter than the originals. In the cluster of four at lower right you can see how they don't really fit together very nicely because the original ones were packed in tightly already. Fortunately, it isn't really tight enough to be a problem; there's enough slack in the leads to let them reach the right holes, and this part of the circuit is low-voltage. It just looks less than elegant.
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