[TechAssist] Re: Mits VS-50VA1 Help!!
- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 11 May 2004 23:34:48 -0400
Dan,
Check carefully for coolant leaks on the boards.
Jeff
--
Intrepid Video TV/VCR Repair
263 S Front St, Steelton PA 17113
717-939-7708; (F) 717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: "Dan Garris" <dgarris@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 11, 2004 9:16 PM
Subject: [TechAssist] Mits VS-50VA1 Help!!
Hi Fellow Techs,
I'm working on Mitsubishi VS-50VA1 PTV (VZ-1 Chassis) which has a consistent
slight bow in the top & bottom of the picture (pincushion) and has a line
pulling up about 4" from bottom of picture intermittently this line will
appear and disappear, best way to describe line is like a vert retrace line
but a little different because it affects pincushion as it pulls up screen
intermittently about 4" from bottom. Even when line disappears the bow at
top/bottom is always there. I replaced both STK391-020 Convergence IC's and
checked all resistors related to IC's (none smoked - all ok) checked many
caps and reworked all CSJ's (Cold solder connections) I even checked C7001
and C7036 on PIP module. Sometimes the entire picture will go out and come
back in. Set was moved from Texas to N. Carolina and customer stated problem
started after move. I'm lost on this set. I've checked my
WinsTips/ESD/Intrepid/TechAssist&archives/Goggle_search tips & more
databases, I'm stumped! Any Help!!
Garris TV
New Bern, NC
Dan Garris KJ4FH
DGarris@xxxxxxxxxxx
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