What about the sound ? Will it blank the sound at the same time ? I ask,...because I have a Philips B7 chassis that I can't fix. I have tried ALL the normal troubleshooting proceedures, and fixes,... but, I never checked for the vertical blanking pulse yet. I might just try that, since I DO have service literature on it. Regards, LLW LeRoy Westlund Westlund TV & Electronics " Walk tall,...Walk straight 93 North Main and look the world Centerfield, UT 84622-0087 right in the eye " Ph./Fax 435-528-3822 mailto:LLW@xxxxxxxxxx -----Original Message----- From: C&W Electronics <c_w_electronics@xxxxxxxxxxx> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx> Date: Sunday, February 02, 2003 4:18 PM Subject: [TechAssist] Re: Philips Magnavox 19PR15, 19A800 chassis, video washed out... > >Your definition of "bad" does not affect all things the same way. The >vertical IC usually has a blanking pulse to the video. If it's missing, you >will have NO VIDEO, but the vertical height and linearity will be perfect. > >Paul W >C&W Electronics >Azle Texas > >----- Original Message ----- >From: "al m" <ampm@xxxxxxx> >To: <techassist@xxxxxxxxxxxxx> >Sent: Sunday, February 02, 2003 10:00 AM >Subject: [TechAssist] Re: Philips Magnavox 19PR15, 19A800 chassis, video >washed out... > > >> >> This caught my eye. How does it have full vertical deflection if the >> vertical IC is bad? This is interesting. >> al marquardt >> ampm@xxxxxxx >> >> >> ----- Original Message ----- >> From: "Jeff Dougherty" <support@xxxxxxxxxxxxxxxxxx> >> To: <techassist@xxxxxxxxxxxxx> >> Sent: Friday, January 31, 2003 10:38 PM >> Subject: [TechAssist] Re: Philips Magnavox 19PR15, 19A800 chassis, video >> washed out... >> >> >> > >> > Yes you would, Phil. >> > If your set uses that IC number...change those parts Mando mentioned.' >> > This one had me fooled the first time. >> > >> > FAX 717-564-4952 >> > Jeff Dougherty >> > Intrepid Video & Electronics Be careful of your thoughts. >> > 501 Luther Rd They may become your words >> > Harrisburg, PA 17111 any moment. >> > VCR tips, electronics info & general interest. >> > www.intrepid-video.com www.tech-repair.net >> > www.thetoolcaddy.com www.9-11-2001tragedy.com >> > *********************************************************************** >> > >> > ----- Original Message ----- >> > From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx> >> > To: <techassist@xxxxxxxxxxxxx> >> > Sent: Friday, January 31, 2003 2:05 PM >> > Subject: [TechAssist] Re: Philips Magnavox 19PR15, 19A800 chassis, video >> washed >> > out... >> > >> > >> > >> > If those parts were in fact shorted/open, I don't really think I would >> > be getting full vert deflection, would I? >> > Phil Bader >> > >> > armando guerra wrote: >> > > >> > > You probably have a shorted vertical IC TDA-9302H and diode D409 >> > > .Also,check R445 and R420.They are probably open. >> > > Mando >> > > Birdie's TV & Electronics >> > > Casa Grande, AZ >> > > >> > > Philip Bader wrote: >> > > >> > > > Still fighting this one.Became a "shop set". Display was totally >> > > > black,with HV.and sound. >> > > > Turned up G2 on fly to illuminate screen and it did,with the usual >> > > > expected white screen and retrace lines from overdrive. But I still >at >> > > > least see a very faded video signal. I checked the entire CRT board >> > > > components,all seem OK, no open resistors or shorted transistors.The >> > > > three 2 watt 18K resistors on CRT board feeding the outputs, >> > > > (#3314,3324,3334) all have about +194.00V on source sides and about >> > > > +193.00V on other sides.The screen control works. I have a full >> > > > screen,sound,tuner operation. too faint to see if there is OSD. >> > > > At this point I simply want to solve this.It's getting personal ;-) >> > > > Wondering if that jungle chip(TDA8373C) is the cause. >> > > > Phil Bader >> > > > -- >> > > > Philip Bader >> > > > Jan Phyl TV Inc. (estab. 1976) >> > > > 3420 Recker Hwy. Winter Haven, Fl. 33880 >> > > > Fax (863) 299-8821 >> > > > email: tjanphyl@xxxxxxxxxxxxxxx >> > > > >> > > > ------------------------------------------ >> > > > Submit A Repair Tip For Everyone Here: >> > > > http://www.tech-assist.org/secure/tip/main.html >> > > > ------------------------------------------ >> > > > To REMOVE your email address, click here: >> > > > http://www.tech-assist.org/unsubb.html >> > > > To CHANGE your email address, click here: >> > > > http://www.techassist.net/forms/change.html >> > > >> > > ------------------------------------------ >> > > Submit A Repair Tip For Everyone Here: >> > > http://www.tech-assist.org/secure/tip/main.html >> > > ------------------------------------------ >> > > To REMOVE your email address, click here: >> > > http://www.tech-assist.org/unsubb.html >> > > To CHANGE your email address, click here: >> > > http://www.techassist.net/forms/change.html >> > >> > -- >> > Philip Bader >> > Jan Phyl TV Inc. (estab. 1976) >> > 3420 Recker Hwy. Winter Haven, Fl. 33880 >> > Fax (863) 299-8821 >> > email: tjanphyl@xxxxxxxxxxxxxxx >> > >> > ------------------------------------------ >> > Submit A Repair Tip For Everyone Here: >> > http://www.tech-assist.org/secure/tip/main.html >> > ------------------------------------------ >> > To REMOVE your email address, click here: >> > http://www.tech-assist.org/unsubb.html >> > To CHANGE your email address, click here: >> > http://www.techassist.net/forms/change.html >> > >> > >> > >> > ------------------------------------------ >> > Submit A Repair Tip For Everyone Here: >> > http://www.tech-assist.org/secure/tip/main.html >> > ------------------------------------------ >> > To REMOVE your email address, click here: >> > http://www.tech-assist.org/unsubb.html >> > To CHANGE your email address, click here: >> > http://www.techassist.net/forms/change.html >> > >> > >> >> >> ------------------------------------------ >> Submit A Repair Tip For Everyone Here: >> http://www.tech-assist.org/secure/tip/main.html >> ------------------------------------------ >> To REMOVE your email address, click here: >> http://www.tech-assist.org/unsubb.html >> To CHANGE your email address, click here: >> http://www.techassist.net/forms/change.html >> >------------------------------------------ >Submit A Repair Tip For Everyone Here: >http://www.tech-assist.org/secure/tip/main.html >------------------------------------------ >To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html >To CHANGE your email address, click here: > http://www.techassist.net/forms/change.html > ------------------------------------------ Submit A Repair Tip For Everyone Here: http://www.tech-assist.org/secure/tip/main.html ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.techassist.net/forms/change.html