Electronics Forum / Repair / December 2007

Just picked up one of these dirt cheap because it wasn't working. Picks up
correct cd, chucks it, but cd won't spin. Any tips or repair history before
I dig into it.

I am looking for what I think is called a wireless subduction seaker.A
two part speaker.One part would sit by my tv set (Sony Trinitron Wega 27
inch flat screen crt tv set) and wirelessly transmit the tv audio to the
speaker which I would set on a shelf on the wall behind and above ...

Electrolytic capacitors sometimes blow up -- due to heat, old age, or lack
of use(?).
I have some old studio flashes used for photography and they contain some
high voltage electrolytic capacitors. I use them once in a long while. But

Some how I lost the URL for the site for HP discontinued product
manuals. I just got a dead HP 209A and need to get it going. It appears
that one of diodes near Q2 has shorted and toasted 2 or 3 resistors in
the same row. Any tips or a scan of the ps board or a manual copy

For those of us who despise miniature Christmas light strings because
bulb shunts fail to operate when a bulb burns out, thus causing whole
sections of the string go dark, I think I have found the magic
solution.

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I have  a Sony KV J 29MN1AK about 5 years old.
This TV has developed problems.  It shows green colour lines slanted
towards right and spread across the entire screen.   I have not
counted them, but these lines are mostly equally separated ( may be