Sanyo DP42841 Service Manual

Also see for DP42841: Owner's manual Service manual

Contents

Sanyo DP42841 Service Manual Manual pdf 1 page image

SpecificationsPOWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC178 W (AVG.)ANTENNA INPUT IMPEDANCE. . . . . . . . . . . . . . . . . 75ΩUHF/VHF/CATVDIGITALRECEIVING CHANNEL . . . . . . . . . . . . . . . . . 2 - 13 (VHF),14 - 69 (UHF),01, 14-94, 95-135 (CATV)1-135 (DIGITAL)REMOTE READY. . . . . . . . . 36 KEY REMOTE CONTROLSOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . 10.0 W/CHINTERMEDIATE FREQUENCYPICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHzSOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHzCOLOR SUB CARRIER . . . . . . . . . . . . . . . . . 42.17MHzCABINET DIMENSIONSWIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1012mmHEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 704mmDEPTH INCLUDING BASE . . . . . . . . . . . . . . . . 307mmREFERENCE No. SM 780184DP42841, Z5VG, PRODUCT CODE 113026406FILE NO.SERVICE MANUAL Remote Control DigitalColor Television DP42841 (U.S.A.)(CANADA)ORIGINAL VERSIONChassis No. P42841-00NOTE: Match the Chassis No. onthe unit’s back cover withthe Chassis No. in theService Manual.If the Original VersionService Manual ChassisNo. does not match theunit’s, additional ServiceLiterature is required. Youmust refer to “Notices” to theOriginal Service Manualprior to servicing the unit.Servicing should be performed by only trained and qualified service personnel.ContentsSAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . 2SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 3ON-SCREEN SERVICE MENU . . . . . . . . . . . . . . . . . . . . . 4POWER FAILURE CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . 5MECHANICAL DISASSEMBLY . . . . . . . . . . . . . . . . . . . . 6CHASSIS ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . 8COMPONENT AND TEST POINT LOCATIONS . . . . . . 21BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 25BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 26IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . 27TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . . . . 33MAIN IC(SIGNAL PROCESSOR) & PERIPHERICALS . . 36SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 37IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 38PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 39CAPACITOR AND RESISTOR CODE CHART . . . . . . . . 40SCHEMATIC DIAGRAMS. . . . . . . . . . . . . . . . . . . . . . . . 41© Sanyo Manufacturing Corporation 2011