From: jimd@panix3.panix.com
Try a 40 ohm resistor between 12 volts and ground for a few seconds.
Sometimes revives a stalled power supply. discoect from Mega first, and
might work. These 20 year old switching power supplies sometimes get
flakey.
tyndareus writes:
: Thanks very much for your suggestions
: Michael and Nicole Freeman wrote:
: > tyndareus wrote:
: >> Hi all--
: >>
: >> I have a Mega ST2 which I used many years ago and decided it was time
: >> to ressurect it. When I powered it on nothing happened.
: >>
: >> Could someone kindly any service manual resources to help determine
: >> the cause?
: >>
: >> Thanks in advance
: >
: > Try Best Electronics?
: >
: > My first thought would be the power supply unit. I had one go out in my
: > Falcon. If that's the problem, you could either buy a new one (very
: > expensive - try Best Elec.) or if you're more mechanically inclined you
: > could hack in a PC power supply (cheaper, but harder fix). Just be aware
: > that the wire colors aren't exactly the same between the two. If I
: > remember correctly (and I may not) the yellow and blue wires are the
: > same voltage, but reverse polarity between the two. I didn't find this
: > out until it was too late and had to replace a violently exploded
: > transistor from my Falcon's sound system. Very exciting! Fortunately,
: > that was the worst damage that was done.
: >
: > Mike Freeman
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