Vizio Vizio VT420M [SM] free download

File name Vizio_VT420M_[SM].pdf

42LCD TV VT420M Service MODELVT420M Service Service TABLE OF CONTENTS Description Page Description Page Table Of Contents... . ...1 8.PCB Layout ... . . . . . . . . . . . ..27 Important Safety Notice...2 9. Block Diagram... . . . . ...34 Revision List...3 10. Schematic...35 1. General Specification...4 11.Location wave form andVoltage...58 2. Operating Instructions... ... ... ... ... ...5 12. Analog input auto calibration... ... . . . ... ...62 3. Input/Output Specification...15 13. Exploded View... . ..64 4. Mechanical Instructions...17 14. BOM List... ...66 5.Factory Model... . . . . . . . ...20 6.ISP Upgrade... . . ...21 7.Repair Flow Chart ... ...23 SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 1 42LCD TV VT420M Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended. It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel. The possibility exists that improper