Sanyo DP26648 Service Manual

Also see for DP26648: Owner's manual Owner's manual

Contents

Sanyo DP26648 Service Manual Manual pdf 1 page image

SpecificationsPOWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC120W (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. . . . . . . . . 32 KEY REMOTE CONTROLSOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . . 3.0 W/CHINTERMEDIATE FREQUENCYPICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHzSOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHzCOLOR SUB CARRIEr. . . . . . . . . . . . . . . . . . 42.17MHzCABINET DIMENSIONSWIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 665.5mmHEIGHT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515.6mmDEPTH INCLUDING BASE . . . . . . . . . . . . . . . 177.8mmREFERENCE No. SM 780150DP26648, N6CE, PRODUCT CODE 113013904ContentsSAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . 2SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 3ON-SCREEN SERVICE MENU . . . . . . . . . . . . . . . . . . . . . 4POWER FAILURE CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . 5MECHANICAL DISASSEMBLY. . . . . . . . . . . . . . . . . . . 6-8CHASSIS ELECTRICAL PARTS LIST . . . . . . . . . . . . . 9-23CABINET PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . 24COMPONENT AND TESTPOINT LOCATIONS . . . . 25-27BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 28BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 29IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . 30-37TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . 38-40CONTROL PORT FUNCTIONS . . . . . . . . . . . . . . . . . 41-42SIGNAL FLOW CHARTS . . . . . . . . . . . . . . . . . . . . . . 43-51SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 52IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 53PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 54CAPACITOR AND RESISTOR CODE CHART . . . . . . . . 55SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . 56-57FILE NO.SERVICE MANUAL Remote Control DigitalColor Television DP26648 (U.S.A.)(CANADA)ORIGINAL VERSIONChassis No. P26648-00NOTE: 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” tothe Original Service Manualprior to servicing the unit.Servicing should be performed by only trained and qualified service personnel.© Sanyo Manufacturing Corporation 2008