Unit came in with complaint of no pix, no sound. Fired up with no sound & H freq off. OSD, tuning, seems ok. Suspect corrupted memory? Anyone have the procedure to enter the service mode for this one? Thanks, Leon. Leonard G. Caillouet Service Manager Electronics World Gainesville, FL 352-332-5608 352-332-5668 (fax) 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.