If the RGB come on the problem is the RGB switch in front ----- Original Message ----- From: Damon <DAMON101@xxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Friday, August 16, 2002 9:46 AM Subject: [TechAssist] Re: Sony KV25XBR Board Needed > > I wonder if this ic has the OSD inputs and Video inputs, if so there is a > switching pulse to blend the osd into the picture, and that could be > crapping out on you. Normally labled as blnk. > Damon Brunger > damon101@xxxxxxxxxxxxxx > Telrad Electronic Services > Ft Wayne, IN 46815 > ----- Original Message ----- > From: "Shoreline Electronics" <jstielau@xxxxxxxx> > To: "Tech Assist Group" <techassist@xxxxxxxxxxxxx> > Sent: Thursday, August 15, 2002 9:05 PM > Subject: [TechAssist] Sony KV25XBR Board Needed > > > > > > > > Make : Sony > > Model : KV25XBR > > > > Still going round on this one.......IC401 (CX20100) Was thought to be the > > culprit. Video RGB comes in on pins 19,20 & 21 perfect. Output pins > > 15,16,17 are Ok at first and slowly the signal degrades causing the image > to > > blacken from the right , eventually sweeping the whole screen. > > > > Giving the IC a neat shot of cold spray brings the image back! > > > > Change the IC with used/hopefully good one , same problem. All other > > voltages are spot on! No rippled or bad B+ sources! > > > > Another tech had mentioned having an entire "A" Board for this model. I > > deleted the email :-( > > > > Please contact me if you have this board! > > > > Jeff Stielau > > Shoreline Electronics Repair > > 125 Beech Tree Lane > > Westbrook, CT 06498 > > 860-399-1861 > > 860-664-3535 (fax) > > jstielau@xxxxxxxx > > > > > > > > ------------------------------------------ > > To REMOVE your email address, click here: > > http://www.tech-assist.org/unsubb.html > > To CHANGE your email address, click here: > > http://www.tech-assist.org/change.html > > ------------------------------------------ > > ***NEW*** Tips Added Instantly!!!*** > > Submit Repair Tips here: > > http://www.tech-assist.org/secure/tip/ > > > > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > To CHANGE your email address, click here: > http://www.tech-assist.org/change.html > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ > ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.tech-assist.org/change.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/