It sure sounds like the IHVT is bad, but 190 volt cathode voltage on a 200 volt cathode supply is way too high, normally 130 - 175 is normal operating window. Damon Brunger damon101@xxxxxxxxxxxxxx Telrad Electronic Services Ft Wayne, IN 46815 ----- Original Message ----- From: "Barry Appleby" <burintv@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Tuesday, October 09, 2001 9:10 PM Subject: [TechAssist] Samsung TXJ2554 chassis# K51A > > This tv has sound but no raster or osd [totally black screen] . High voltage > and focus is ok and the heater voltage is 6.3v . The 200v on the crt is ok > and the RK , BK and GK all have approximately 190v . The screen voltage will > only go to 165v . With the crt board removed it's the same . I removed the > screen connection at crt and measured the resistance to gnd and it adjusts > from 1.8meg to 30meg . I also replaced c518 the 103z/3kv screen cap . Could > this be a bad flyback ? The customer told me the picture would appear once > and a while when it first started to act up but now it doesn't . Thanks . > Barry Appleby > Burin Tv Repair > burintv@xxxxxxxxxxx > Burin NFLD > > _________________________________________________________________ > Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp > > Help make your TechAssist online repair tips > database better! Submit your fixes here: > http://www.circuitwork.com/techassist/tip/#tips > To unsubscribe write to: > techassist-request@xxxxxxxxxxxxx > with unsubscribe in the subject line. > Help make your TechAssist online repair tips database better! Submit your fixes here: http://www.circuitwork.com/techassist/tip/#tips To unsubscribe write to: techassist-request@xxxxxxxxxxxxx with unsubscribe in the subject line.