Good morning I have the above set with vertical overscan. You know the symptom where all you get is a blank/rainbow looking raster. I have a similar schematic utilizing the same vert IC. But not similar in the drive circuitry. According to the input signal to the chip, on this schematic, I have an improper waveform. Thanks Clancy Harms NESDA's Region 7 Director Dick's Radio & TV, Inc. 2319 West Clay St. If it's broken...a real man can St. Charles, MO. 63301 can break it even better ! (636)-724-5055 (636)-724-5531 fax email: dickstv1@xxxxxxxxxxxxx mailto:dickstv1@xxxxxxxxxxxxx ------------------------------------------ Make your TechAssist database better! Submit Repair Tips here: http://www.tech-assist.org/secure/tip/ ------------------------------------------ To UNSUBSCRIBE your email address, click here: mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe Or send a BLANK email with unsubscribe in the SUBJECT field to the address above.