There are now Kits to replace the diaphragm on Projection TV CRT's For PTK 169,178,195,mmc102 and DTV307 Use part# 254599 for PKT 188 use 254600 Phillip R Hull phil245@xxxxxxxxxxxxx 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.