Here's another one for any newbies out there.
I just repaired an Amplifone deflection board where the spot killer was on.
Turns out one of the stupid assinine brown jumpers was bad. Jumped it with a
piece of wire and all is well. Always check the stupid jumpers.
Joe
Biff wrote:
> Hi
>
> Just thought I would drop a few lines from a newbie to other newbies: -
>
> Played star wars fine all week until the screen dropped out, smelt a burning
> smell from the deflector section?
>
> Powered down and checked fused etc.
>
> Powered up all was fine for about 30 seconds then screen went blank again?
>
> Ascertained that the cause of the smell was a very hot Power transistor
> located on the monitor chassis to the right.
>
> Disconnected this to see if it had gone short circuit, it was fine and so
> were all the other transistors!
>
> I let the thing cool down completely and powered up checking for voltages
> etc, all were present until the screen went blank. I was about to strip the
> thing down when I thought I had better check for dry joints (cheers X-Y) and
> low the connections for another power transistor (not the one that got hot?)
> were arcing as the metal had detrained on the collar that the pins push
> through causing it to go open circuit.
>
> The moral of the story is check the obvious 1st!!
>
> Biff
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Received on Sun May 26 21:29:19 2002
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