It's a 12v zener and I changed it. The new one if cool misted will react the same way as old one. Phil Bader Phil Bader wrote: > > This Panasonic 20" came in with narrow vert. deflection. IC451 LA7835 > had bad solder all pins. Resoldered no help. Replaced IC and every lytic > cap I found around it. May now play with good pix until warms then goes > into an erratic vert roll and loses heigth at same time. > Cold spray seems to clear it on diode D455 next to IC. > Diode is blue body with wide brown,then red stripe. What the heck is > it?. > Not sure if diode D455 is cure.Need help. > Started out a simple deal. > Phil Bader > -- > Philip Bader > Jan Phyl TV Inc. (estab. 1976) > 3420 Recker Hwy. Winter Haven, Fl. 33880 > Fax (863) 299-8821 > email: philbad@xxxxxxxxxx > > ------------------------------------------ > 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 > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ -- Philip Bader Jan Phyl TV Inc. (estab. 1976) 3420 Recker Hwy. Winter Haven, Fl. 33880 Fax (863) 299-8821 email: philbad@xxxxxxxxxx ------------------------------------------ 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 ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/