Isn't the PTV340 on the force program? Al Marquardt ampm@xxxxxxx Al Marquardt Electronic Repair 206 W Main Girardville Pa. 17935 ----- Original Message ----- From: "Dan Garris" <dgarris@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Monday, March 21, 2005 10:34 PM Subject: [TechAssist] Re: PTV340 Magnavox - has sound but no pic ??? > Sorry Cliff, but I already saw this tip. Thanks for the reply however > something is loading down R446 and causing the resistor to burn open. I > don't have a schematic. Thanks anyhow. > > Garris TV > New Bern, NC > dgarris@xxxxxxxxxxx > >>From: Cliff Afflick <sgt.cliff@xxxxxxx> >>Reply-To: techassist@xxxxxxxxxxxxx >>To: techassist@xxxxxxxxxxxxx >>Subject: [TechAssist] Re: PTV340 Magnavox - has sound but no pic ??? >>Date: Mon, 21 Mar 2005 19:58:10 -0700 >> >>Open Connection On Deflection Board From Flyback To Collector Of Q505 >>----- Original Message ----- >>From: "Dan Garris" <dgarris@xxxxxxxxxxx> >>To: <techassist@xxxxxxxxxxxxx> >>Sent: Monday, March 21, 2005 4:08 PM >>Subject: [TechAssist] PTV340 Magnavox - has sound but no pic ??? >> >> >> > What: 46" Big Screen TV >> > Make: Magnavox >> > Model: RK8530 AK07 >> > Chassis: PTV340 >> > Made: June 1990 >> > >> > Problem: Has sound but no Picture. >> > >> > >> > I found R446 0.47 ohm 1w resistor was open on the large power supply >> > panel. >> > I replaced the resistor and brought voltage up slowly on my Sencore >>PR-57 >> > Variac and the Set began drawing extremely high current and R446 was >> > getting >> > hot so I shut the power to the set off. >> > >> > I do not have a schematic on this set. Can someone upload a schematic >>for >> > this Chassis to our members area or to my e-mail address, or has anyone >> > seen >> > this R446 resistor open up before on this common PTV340 Chassis. I >> > searched >> > my many tips and Google and found nothing. Any help appreciated. This >>Big >> > Screen tv belongs to a Local Church youth group and they need it back >> > by >> > friday and I was trying to help the youth group out. >> > >> > Garris Radio & TV >> > Dan Garris >> > New Bern, NC >> > dgarris@xxxxxxxxxxx >> > Ph: (252) 638-4477 >> > >> > >> > >>----------------------------------------------------------------------------- >> > This Email List is Public. Remove: >> > http://www.tech-assist.org/remove.htm >> > Lost Password: http://www.tech-assist.org and select "Login >> > Problems?". >> > Email Archives: //www.freelists.org/archives/techassist/ >> > >> >> >>----------------------------------------------------------------------------- >>This Email List is Public. Remove: http://www.tech-assist.org/remove.htm >>Lost Password: http://www.tech-assist.org and select "Login Problems?". >>Email Archives: //www.freelists.org/archives/techassist/ > > > ----------------------------------------------------------------------------- > This Email List is Public. Remove: http://www.tech-assist.org/remove.htm > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Email Archives: //www.freelists.org/archives/techassist/ > > ----------------------------------------------------------------------------- This Email List is Public. Remove: http://www.tech-assist.org/remove.htm Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/