Re: My First 6100 / Problems

Resoldered all of them, still unchanged. I was advised to check for the presence
of -27V at the HV connector. I'll try that tomorrow. Any other ideas would be
graciously accepted.

Thanks,

-Al-

Ed Henciak wrote:

> Al,
>
> I had the exact same problem last night, only the top half of my
> Tempest screen was not there...
>
> Here's what I did :
>
> 1> Found that one of the TO3 socket's solder leg -to-wire
> connections
> was bad.
> Since you are missing the lower half, check the 3792 on the bottom of the
> chassis (not the one on the side) that DOES NOT connect to the power
> regulation circuitry. I believe it is Q705, but I am probably wrong.
>
> 2> Hairline solder cracks on the headers...resoldered them...
>
> 3> Also had a nice bout with a completely out-of-focus screen.
> However, this was due to a broken focus pin on the tube socket. You don't
> need to worry about this, but it may help someone in the future....
>
> There is also a chance that the 3792 you have is actually
> bad...even though it passes the diode test, this always isn't 100% the
> case.
>
> I'd examine all the solder joints closer though...make sure you
> are using new solder as well and not just reflowing the joint (I'm sure
> you're doing this). Check every connection from the TO3 socket right to
> the connector...
>
> Ed
>
> On Sun, 22 Aug 1999, Al Warner wrote:
>
> > I checked all the connectors for continuity from the pins to the end of the
> > plugs. I resoldered all of the pins on the deflection PCB. Could I have
> > missed something?
> >
> > Mike Singer wrote:
> >
> > > > When I got my Tempest, the picture was only appearing in the upper left
> > > > corner of the screen and it would come and go. I figured "Deflection
> > > > Transistors". Ordered a kit from Bob Roberts. Now I have the top half
> > > > of the screen, but the bottom of the screen is being drawn in the
> > > > middle. I checked that all of the transistors are not shorted and I
> > > > used new mica and grease. Can anyone offer some suggestions?
> > >
> > > Cold solder joints on the connectors.
> > >
> > > Mike Singer
> > > Amusement Video Pinball
> >
> > --
> > =====================================================================
> > -= Al Warner batlzone@cyberenet.net =-
> > -= Learn how to install a Cap Kit in your video game's monitor and =-
> > -= see a whole lot more on my web page at: =-
> > -= http://www.cyberenet.net/~batlzone =-
> > =====================================================================
> >
> >

--
 =====================================================================
-=               Al Warner batlzone@cyberenet.net                    =-
-= Learn how to install a Cap Kit in your video game's monitor and   =-
-= see a whole lot more on my web page at:                           =-
-=               http://www.cyberenet.net/~batlzone                  =-
 =====================================================================