Hugh, What was the cross from Mouser elec.! John Conti,sTV Texas >From: "Hugh @ Main TV" <maintv2004@xxxxxxxxxxx> >Reply-To: techassist@xxxxxxxxxxxxx >To: <techassist@xxxxxxxxxxxxx> >Subject: [TechAssist] Samsung ballast fix >Date: Sat, 19 Nov 2005 10:35:12 -0700 > >Something to save money---we found a fix for the ballast power supply in >Samsung DLP projection TVs, these seem to be same chassis---HLM4365W, >HLM5065W, >HLM437W, HLN437W, HLN4365W, ST43L2HK, HLM507W, HLN507W, HLN5065W, >ST50L2K,HLM617W, HLN617W, & ST61L2K. >On the ballast supply there is a vertical mounted board with four TO220 >transistors soldered on it numbered 2SK3294. We found one of them shorted >(10 ohms-all leads) out of circuit. You may be able to repair the board >while still connected to the main board, little tricky to remove it (we >did). The 2SK3294 does not cross to anything we could find, but found a >cross in Mouser web site. We ordered 3, put in one and the TV is working >great! The replacement transistor cost less than $1.00! >Note: You have to grind or cut off all but 3/8 in. of the metal tab of the >new part and solder it to the vertical mouted board. This ballast board >cost about $120 with shipping new, $1.00 for a part and little time to >fix. >Note: We were told that these ballast supplies are lethal, don't put your >finger in there when on! > >Hugh Thornley >Main TV >636 Main St. >Longmont, Co. 80501 >303-776-6955 tel >303-776-0792 fax >----------------------------------------------------------------------------- >This Email List is accessible to the general public through search engines. >Remove: http://www.tech-assist.org/remove.htm >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/ _________________________________________________________________ FREE pop-up blocking with the new MSN Toolbar ? get it now! http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/ ----------------------------------------------------------------------------- This Email List is accessible to the general public through search engines. Remove: http://www.tech-assist.org/remove.htm 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/