> From: grubsx5@xxxxxxxxxxx> To: techassist@xxxxxxxxxxxxx> Subject: [TA-A] > Hitachi 50UX27K CHASSIS AP63 no picture> Date: Thu, 27 Sep 2007 18:14:18 > +0000> > > > > > > > Hitachi 50UX27K chassis AP63 > > No picture on any > inputs or menu but magic focus screen comes up and does> its cycle there is > video signal at the CRT boards but I don't know if the> signals are within > specs. CRT's have heaters and good screen g2 and there is> audio. Any help > would be appreciated. > > Thank You! > > Tony's Tv Repair > > Found the > problem the ABL circuit all heat zinks were cold on the three video output > boards found negative voltages on Q304 signal SUB board and IC I501 p4 was > 2.25v should be 7v. Traced ABL back to R708 on the power supply/Deflection > board can't remember Value 47k or 470k 1/2 watt Replaced and looking good! Thanks for all of your input! Tony's Tv Repair> > > ----------------------------------------------------------------------------> More photos; more messages; more whatever. Windows Live Hotmail - NOW with> 5GB storage.[1] > > --- Links ---> 1 http://g.msn.com/8HMBENUS/2737??PS=47575> ------------------------------------------------------------------------------> Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with remove as subject.> Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation> Lost Password: http://www.tech-assist.org and select "Login Problems?".> Email Archives: //www.freelists.org/archives/techassist/ _________________________________________________________________ Climb to the top of the charts! Play Star Shuffle: the word scramble challenge with star power. http://club.live.com/star_shuffle.aspx?icid=starshuffle_wlmailtextlink_oct ------------------------------------------------------------------------------ Remove: Send a blank email to techassist-request@xxxxxxxxxxxxx with remove as subject. Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/