thank you ill try that and let you know what i find Pete Perdomo Tv Inc Since 1972 Miami.Fl ----- Original Message ----- From: "tvservice" <tvservice@xxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Friday, December 31, 2004 9:51 AM Subject: [TechAssist] Re: hitachi projo ap84 chassis model 60sbx78b blue retrace > disconnect crt board from tube and measure g2 voltage at board while > adjusting focus > if it varies bad g2/focus block if it doesn't, bad crt > Robert > tvservice@xxxxxxxxxxxxx > H & H Electronics Inc > > ----- Original Message ----- > From: "pete" <tvtech@xxxxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, December 30, 2004 8:10 PM > Subject: [TechAssist] hitachi projo ap84 chassis model 60sbx78b blue > retrace > > >> Hi everybody >> I have a ap84 chassis. The original problem was dead. found f994 open and > cap 707 blown up. replaced parts unit now turns on but the picture is > greenish. The blue is very flaky. If I turn up the screen just a hair I > get > retrace lines,I cannot get good grey scale. I dont have enough control of > the blue gun. If I turn up the focus control it acts like the screen > control. How can I know wheather I have a bad screen focus control, or a > bad > crt? Has anybody seen this before. Any help will be greatly appreciated I > dont have a tube checker >> >> Pete >> Perdomo Tv Inc Since 1972 >> Miami.Fl >> >> >> >> -------------------------------------------------------------------------- > --- >> Lost Password: >> http://www.tech-assist.org and select "Login Problems?". >> Email Archives: >> http://www.freelists.org/archives/techassist/ > > > > ----------------------------------------------------------------------------- > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > http://www.freelists.org/archives/techassist/ > > > -- > No virus found in this incoming message. > Checked by AVG Anti-Virus. > Version: 7.0.298 / Virus Database: 265.6.7 - Release Date: 12/30/2004 > > -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.298 / Virus Database: 265.6.7 - Release Date: 12/30/2004 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: http://www.freelists.org/archives/techassist/