Are you sure R903 is 220k I thought it was 270k Tony Saracco TCS ELECTRONICS Elgin , IL 60120 847-695-1928 tcselectronics@xxxxxxxxxxxxxxxx ----- Original Message ----- From: "Shoreline Electronics" <jstielau@xxxxxxxx> To: "Tech Assist Group" <techassist@xxxxxxxxxxxxx> Sent: Friday, August 01, 2003 9:03 AM Subject: [TechAssist] Mitsubishi CS3520R : Scan Needed of SMPS > > Make : Mitsubishi > Model : CS3520R > Problem : SMPS not oscillating > > Replaced the 470/50V cap(C914) and the 10/100V cap ( Usually culprits) > Replaced R903(220K) for good measure. Replaced the STRS5141G ( Twice!) > > Still no oscillation! No shorted diodes! All traces in tact! > > Anyone have a scan of this simple circuit that is eluding me! > > ========================== > Jeff Stielau > Shoreline Electronics Repair > 344 East Main Street > Clinton,CT 06413 > 860-399-1861 > 860-664-3535 (fax) > jstielau@xxxxxxxx > ========================== > "If you push something hard enough it will fall over." > Fudd's First Law of Opposition - Sir Sidney Fudd > > > > > **************************************************************************** * > 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/