G07 vertical squash problem

kazneerg

Member
Joined
May 28, 2008
Messages
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Location
Michigan
Hello Gentlemen. I'm getting this on my rebuilt G07:


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I can't fill the screen from top to bottom. Here's what I replaced so far with new:

X01
X02
X401
X402
X303
X102
X104
X106
X901
R 908
the 68ohm, 2watt ceramic res
width coil
flyback transformer
all pots
all caps
adjusted the B+ to 120v

and on the neck board:
X101
X102
X103
all pots.

I can't seem to adjust this out. I was wondering if I have a wrong value cap somewhere. I don't know how that could happen since i double checked my work twice. Any help would greatly be appreciated. Thank you.

Zack Green
 
Yes sir. I even replaced it with another new pot thinking my first one was bad.
 
Not yet. I haven't had a chance to get back to it this weekend. How do I accomplish this check? What should the value come in at?
 
I pulled out the new X401 & X402 & tested them and found about a .5 difference on each between the emmitter/collector & emitter/base( or whatever the correct trems are). I put the old ones back in, and now it works perfectly. I don't understand what went wrong. I always order these parts from Bob Roberts when I do a G07 rebuild, and never had an issue. They are the correct transistors too. Maybe it's because I am a newbie that doesn't really know the in's & outs..................................................................yet.
,
or it could be that ghost in the basement.
 
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