Peale Active member VAPS Joined Sep 1, 2003 Messages 3,469 Reaction score 15 Location Brattleboro, Vermont Nov 25, 2009 #1 After a rebuild I went to check the B+ and it's ~147VDC. Adjustment pot does nothing. What are things I should check? This is operating otherwise.
After a rebuild I went to check the B+ and it's ~147VDC. Adjustment pot does nothing. What are things I should check? This is operating otherwise.
chris25810 Well-known member VAPS Joined Oct 3, 2006 Messages 7,103 Reaction score 68 Location lake elmo, Minnesota Nov 25, 2009 #2 Try a new X902 transistor, R908 resistor or a new B+ pot. Depending on how your chassis failed in the first place, it can be any one of or all three parts Last edited: Nov 25, 2009
Try a new X902 transistor, R908 resistor or a new B+ pot. Depending on how your chassis failed in the first place, it can be any one of or all three parts
modessitt Volunteer: Encyclopedia Submission Moderator VAPS Joined Mar 22, 2007 Messages 33,414 Reaction score 325 Location Austin, Texas Nov 26, 2009 #3 Look it over for cold solder, and do continuity traces on all the traces coming from the the flyback pins, as they can crack pretty easily. And doublecheck you wired up the VR properly..
Look it over for cold solder, and do continuity traces on all the traces coming from the the flyback pins, as they can crack pretty easily. And doublecheck you wired up the VR properly..
Talon2000 Well-known member VAPS Joined Oct 24, 2008 Messages 2,745 Reaction score 169 Location Princeton, Texas Nov 26, 2009 #4 http://forums.arcade-museum.com/showthread.php?t=111985&highlight=g07+repair+log
OP OP Peale Active member VAPS Joined Sep 1, 2003 Messages 3,469 Reaction score 15 Location Brattleboro, Vermont Nov 26, 2009 #5 Thanks Talon. R908 is indeed open. I'm sure the others are bad too, though they're reading okay. I'll just replace them.
Thanks Talon. R908 is indeed open. I'm sure the others are bad too, though they're reading okay. I'll just replace them.