need a service manual for a sylvania projo tv model # swr4620 chassis # ptv 520-ah01. unit has shorted hot , not sure where else to check. thanks al marquardt ampm@xxxxxxx 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.