Replace BOTH convergence IC's (STK4278L) with quality replacements and the associated 3.15 amp GMA fuse(s) on the convergence board.
Bob Waterman, CET� #RI-28 Master Technician License #9109 Service Manager / Parts Manager Gemini Computer, TV, & Security Alarms (508)695-7302 (508)695-7769 FAX [EMAIL PROTECTED] ----- Original Message ----- From: "Dan Garris" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, November 30, 2004 5:40 PM Subject: [Techs] Sony KP-53V15 bowed pic on all sides. > What: 53" Sony Big Screen TV > Model: KP-53V15 > Chassis: SCC-F19N-A > Made: January 1995 > > Problem: Picture is Bowed in on all sides. Pinchusion Menu does work and you > can adjust the pinchusion, however the picture and the pinchusion are badly > bowed in on all sides of picture. > > What I Have found so far: > I found numerous bad solder connections on the pinchusion board, also found > open 3.15A fuse on Conv. bd. Found many definite bad breaks on the > Convergence IC's=STK 4278 and on IC1704 and IC1705 on convergence bd. > > Thought for sure when I plugged set back in, that it would be fixed... > However still have same problem. Do I need to replaced all the Convergence > IC's at this point. (The convergence bd was full on bad solder)??? > > Dan Garris > Garris TV > New Bern, NC > [EMAIL PROTECTED] > > > > _______________________________________________ > Tech Repair CD...order your just $49.00 plus shipping...One year of updates free. > www.intrepid-video.com www.tech-repair.net > Techs mailing list > [EMAIL PROTECTED] > http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com _______________________________________________ Tech Repair CD...order your just $49.00 plus shipping...One year of updates free. www.intrepid-video.com www.tech-repair.net Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com
