Phil, 221-550-01 = LA7836.. If I were you I would remove SMPS from tray and solder everything in sight.. Lots of cold soldered connections.. regulators transformers and PINS TO MODULE SOCKETS..<<< very common to cause no vert sweep.. good luck Bob, Bobs TV Worcester, ma woodman1@xxxxxxxx Main 508-853-1482 Fax 508-853-1480 ----- Original Message ----- From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Saturday, August 23, 2003 10:21 AM Subject: [TechAssist] Zenith SG2779Y3 had intermit. vert defl cold. Parts ID IC2100. > Strange situation. > First brought in for symptom of when turned on cold, just a line (no > vert) but may shut off also.Must "work with it" as this elder customer > said, until it "took" and was OK all day. > This set has the two modules, 9-1075 SMPS/ Defl, and 9-959 signal/main. > Of course, I changed lots of leaky electrolytics in the smps, and all > over.Resoldered vert. IC2100. > I thought the caps were the troubles. > Ran a week, same issue with the no vertical cold. > The vert output IC I will change: IC2100, #221-550-01, > but what is the "LAxxx" equiv. to this Zenith part number? > And any other issues known? > Thanks. > Phil Bader > -- > Philip Bader > Jan Phyl TV Inc. (estab. 1976) > 3420 Recker Hwy. Winter Haven, Fl. 33880 > Fax (863) 299-8821 > email: tjanphyl@xxxxxxxxxxxxxxx > For Professional Technicians Only > > **************************************************************************** * > Classifieds! Buy or Sell! > http://sell.tech-assist.org > The Tech Address Book: > http://www.tech-assist.org/secure/tip/contact.htm > Add a Repair Tip Here, or Change/Remove your Email Address: > http://www.tech-assist.org/secure/tip/main.htm > Lost Password: > http://www.tech-assist.org and select "Lost your Login Info?". > Email Archives: > //www.freelists.org/archives/techassist/ > ***************************************************************************** Classifieds! Buy or Sell! http://sell.tech-assist.org The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.htm Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.htm Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". Email Archives: //www.freelists.org/archives/techassist/