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Re[2]: no power on SONY SLV-E700

Rory Posted Nov 27, 2006, in response to:Ian Paul

My SLV-E700 has packed up after a brief power cut. It didn't start again easily after the last cut we had, but this time seems throughly dead. To the people who've replaced the caps - where abouts are these? Mine has the main PS328 PSU board, but also some other components in a metal box which seems to be situated (electrically) just after the rectifier. I looked at jpg provided by John and that doesn't resemble anything I can see. If the caps to be replaced are in the metal box - is the whole box need to be desoldered from the PS328 board?

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    Your machine sounds like mine - a SLVE700UX. I have just suffered this common problem - power off, and will not start up again when plugged in. I am guessing that you have either fixed the problem, or binned the machine. Hopefully my reply will help some other poor soul though. Yes, the capacitors that need replacing are sealed in the metal box in this machine. You need to de-solder it from the board, and its electrical connections too - I thought this would be difficult, but it wasn't too tricky. Having done that you can open it up and replace the 4 capacitors quite easily (available from Maplin). The PCB on mine was in quite a bad state, after one of the capacitors had leaked, but the replacement seems to have done the trick. My only word of caution is to be careful: on my machine there are two transformers on the mains end of the PSU board, after which mains is rectified, giving 300V DC on the board. I also replaced the large 68uF capacitor on that part of the board while I had it apart - probably sensible. I could only find a similar replacement for this one at RS. Good luck!

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