SYMPTOM: Dead set, Power LED lights, 130v supply is present. CAUSE: Scan Transformer T801 shorted. SOLUTION: Replace shorted Scan Transformer T801 and the Horizontal Output Transistor Q802. Components are located on the Large Signal Module.
INFORMATION: WHEN ENCOUNTERING A DEFECTIVE LARGE SIGNAL MODULE CAREFULLY INSPECT THE DEFECTIVE BOARD FOR DROPLETS OF CRT COUPLING FLUID. PRIMARILY INSPECT AROUND COMPONENT LOCATION R2839, C2839, C2838, R830 AND Q2830. FAILURE OF THE TECHNICIAN TO ADEQUATELY INSPECT THIS MODULE COULD RESULT IN A REPEAT FAILURE OF THE LARGE SIGNAL MODULE. IF FLUID IS DISCOVERED INVESTIGATE THE CRT/COUPLER ASSEMBLIES FOR THE ORIGIN OF THE LEAK. PRIMARILY INSPECT THE C-ELEMENT (FISHEYE) LENS GASKET OR THE RUBBER EXPANSION CHAMBER DIAPHRAM. ON THE COUPLER ASSEMBLY. 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] [EMAIL PROTECTED] www.geminicomputertvsecurityalarms.com ----- Original Message ----- From: "walter wood" <[EMAIL PROTECTED]> To: "Techs" <[EMAIL PROTECTED]> Sent: Tuesday, January 27, 2004 4:32 PM Subject: [Techs] Mag. 6P5441 C103/ PTV745 AH01 Horiz out. transistor shorted > > > > Found Q802 shorted. > > C811 seems OK. > > Anything besides T802 that I should look at > > before > > I turn it on? > > TIA > > Walter > > > > ===== > Walter Wood > Future Tech Home Center > 2786 Hwy. 43 N. > Lawrenceburg Tn. 38464 > 931-829-3337 > Fax 931-829-4044 > mailto:[EMAIL PROTECTED] > > __________________________________ > Do you Yahoo!? > Yahoo! SiteBuilder - Free web site building tool. Try it! > http://webhosting.yahoo.com/ps/sb/ > > _______________________________________________ > Techs mailing list > [EMAIL PROTECTED] > http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com > _______________________________________________ Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com
