Yes, I had a Philips with a disc ceramic@2KV shorting under load in the G2 line on CRT board. Will forward this. thanks, Phil al m wrote: >Could be. Did he check the screen capacitor? Could be shorted tube too. I >had a Magnavox that had low screen voltage and I changed the socket , the >cap, and still was low. I took the board off sanded the front and back of >board and this fixed the problem. ??????????? >Al Marquardt >ampm@xxxxxxx >Al Marquardt Electronic Repair >206 W Main >Girardville Pa. 17935 >----- Original Message ----- >From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx> >To: <techassist@xxxxxxxxxxxxx> >Sent: Friday, February 25, 2005 11:07 AM >Subject: [TechAssist] Re: JVC AV-32F734 (YA version) NO picture/brightness. >sound, HV vert defl. all OK > > > > >>Well, he already put in a new OEM fly. But, I was thinking. What if >>something on the CRT board was shorting the G2 oroginally, this >>destroyed the internal resistive network in the fly, so G2 was lost. He >>replaces the fly, now the new fly's screen internal supply is being >>stressed, and has damaged the new fly's internal screen network. Only >>thing I can think of. >>Phil Bader >> >>al m wrote: >> >> >> >>>Maybe bad flyback? >>>Al Marquardt >>>ampm@xxxxxxx >>>Al Marquardt Electronic Repair >>>206 W Main >>>Girardville Pa. 17935 >>>----- Original Message ----- >>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx> >>>To: <techassist@xxxxxxxxxxxxx> >>>Sent: Friday, February 25, 2005 9:56 AM >>>Subject: [TechAssist] JVC AV-32F734 (YA version) NO picture/brightness. >>>sound, HV vert defl. all OK >>> >>> >>> >>> >>> >>> >>>>Changed flyback already. >>>>Reason for no brightness (black tube) seems to be very low G2 screen to >>>>CRT board. On order of a hundred volts. Filaments lit OK.He removed G2 >>>>wire completely and measured it with DC probe on a scope, so good >>>>isolation that shouldn't load it down. At wits end here. >>>>Need ideas. >>>>Phil Bader >>>> >>>>-- >>>> >>>>Philip Bader >>>>Jan Phyl TV Inc. (estab. 1976) >>>>3420 Recker Hwy. Winter Haven, Fl. 33880 >>>>Fax (863) 299-8821 >>>>email: tjanphyl@xxxxxxxxxxxxxxx >>>> >>>> >>>> >>>>-- >>>>No virus found in this outgoing message. >>>>Checked by AVG Anti-Virus. >>>>Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 2/22/2005 >>>> >>>> >>>>----------------------------------------------------------------------------- >>>>Lost Password: >>>>http://www.tech-assist.org and select "Login Problems?". >>>>Email Archives: >>>>//www.freelists.org/archives/techassist/ >>>> >>>> >>>> >>>> >>>> >>> >>>----------------------------------------------------------------------------- >>>Lost Password: >>>http://www.tech-assist.org and select "Login Problems?". >>>Email Archives: >>>//www.freelists.org/archives/techassist/ >>> >>> >>> >>> >>> >>> >>-- >> >>Philip Bader >>Jan Phyl TV Inc. (estab. 1976) >>3420 Recker Hwy. Winter Haven, Fl. 33880 >>Fax (863) 299-8821 >>email: tjanphyl@xxxxxxxxxxxxxxx >> >> >> >>-- >>No virus found in this outgoing message. >>Checked by AVG Anti-Virus. >>Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 2/22/2005 >> >> >>----------------------------------------------------------------------------- >>Lost Password: >>http://www.tech-assist.org and select "Login Problems?". >>Email Archives: >>//www.freelists.org/archives/techassist/ >> >> >> > > > >----------------------------------------------------------------------------- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ > > > > -- Philip Bader Jan Phyl TV Inc. (estab. 1976) 3420 Recker Hwy. Winter Haven, Fl. 33880 Fax (863) 299-8821 email: tjanphyl@xxxxxxxxxxxxxxx -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 2/22/2005 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/