Kevin, did you cold spray the SAW filter? Gary McCartney McCartney Electronics Guelph Ontario Canada Est. 1984 email: gary (at) number63.ca Kevin wrote: > > Electrohome 69CK02 or Mitsubishi CS2915C, chassis WM-A-C15R, need > schematic. > > I just replaced the unknown zener with a 9 volt zener with no change in > the voltage and the buzzing noise and lines. Now my only hope is to get > my hands on a copy of the schematic. Thanks. > > Kevin Wilks > Kevin's TV & Video Repair > Penticton BC Canada > kevintv@xxxxxxx > > > -----Original Message----- > From: techassist-bounce@xxxxxxxxxxxxx > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Kevin > Sent: Sunday, October 12, 2003 11:15 PM > To: TECH-ASSIST > Subject: [TechAssist] Electrohome 69CK02, WM-A-C15R, need value of ZD502 > and schematic if possible > > This 27" set has a loud buzzing noise in the speakers and white > horizontal lines in the picture--but only for a few minutes. Then the > set works perfectly. Cold spray has no effect on the good working set. > I found a zener diode off of pin 30 of IC200 which "zeners" at about 8 > volts. IC200 crosses over to NTE7054 and pin 30 is supposed to be 9 > volts. I tried to look up the number on the diode, B1408, with no luck. > Does anyone know the voltage of this Zener diode? Thanks. > > Kevin Wilks > Kevin's TV & Video Repair > Penticton BC Canada > kevintv@xxxxxxx > > > ************************************************************************ > ***** > 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/ -- ***************************************************************************** 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/