Re: Amplifone problems

Robb!

Did you check the focus wire going to the focus block? It's hidden
underneath the rubber boot. If this wire becomes disconnected (and they do
a lot) that one resistor will cook. I've had to resolder this wire more
than once...

Good Luck !

Steve

At 09:10 PM 4/11/2004 -0500, you wrote:
>Hi again everyone, now that I'm done fussing with 6100's, it appears I have
>to do the same with a 19" Amp.
>
>I recently acquired a non-working Quantum in good shape, but not working.
>The game played blind, and it had a red HVT in it, so I figured that was
>likely problem #1. So I pulled the HV board out of my Star Wars UR and put
>it in the Quantum, and all was well. I ordered a Wintron to fix the Quantum
>HV board, and haven't gotten around to having it installed yet.
>
>Anyway, I pulled the HV board out of the Q a few days ago to do some work on
>my Star Wars. It was working fine. Put the board back in the Q yesterday,
>fired it up, and nothing. After a minute or so, I could see a very dim and
>very out of focus picture. So I reached around and turned up the brightness
>a bit, and it did get brighter, but it is still way out of focus, still dim,
>and I could see retrace lines. Also, the screen size wasn't right (the X
>axis was way too big), aside from the fact that I had not done any
>adjustments since the last time this board was in the Q.
>
>About this time I could sense the presence of that great burnt "something"
>smell, so I shut it down. Felt for warmth and the large resistor near the
>red can was VERY hot. It appears that both of those resistors were very hot
>at one time or another, but only that one was hot at this point.
>
>I haven't worked much on amplifones (yet), so I'm at a loss as to what to
>try next. I've done some googling and also searched the vector list
>archive, and didn't come up with much. Is this something common anyone has
>seen?
>
>Thanks for any help.
>Robb Gonyer
>
>
>
>
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Received on Mon Apr 12 01:13:03 2004