Phil, Sorry, but I must ask the obvious. Is the fluid contaminated with algae? Usually, it is bad in blue and green. Have seen it so bad that no light can pass through the fluid chamber. The "Speaker" had a great article on fluid changing on the NAP sets two or three months ago. Ken Smith Gulf Technical Services 3034 Gulf Breeze Parkway Gulf Breeze, FL 32563 850-934-8324 (Voice) 850-932-0819 (Fax) On Tue, 23 Sep 2003 16:16:29 -0400 Philip Bader <tjanphyl@xxxxxxxxxxxxxxx> writes: > This Sylvania SWN4620,1992 year (PTV420 chassis)projection TV has a > yellow-green greyscale to the picture. All three tubes glow, but > video > only from the green and red tubes. the blue tube does emit a blue > glow, > but no video.If I cover the red and green CRT lenses with a card > board > and leave the blue exposed,there is nothing on screen. > 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/ > ________________________________________________________________ The best thing to hit the internet in years - Juno SpeedBand! Surf the web up to FIVE TIMES FASTER! Only $14.95/ month - visit www.juno.com to sign up today! ***************************************************************************** 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/