SpecificationsPOWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC50W (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. . . . . . . . . . . . . . . . . . . . . . . . 2.0 W/CHINTERMEDIATE FREQUENCYPICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHzSOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHzCOLOR SUB CARRIER . . . . . . . . . . . . . . . . . 42.17MHzCABINET DIMENSIONSWIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480.1mmHEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383.5mmDEPTH INCLUDING BASE . . . . . . . . . . . . . . . 185.4mmREFERENCE No. SM 780149DP19648, N4TP, PRODUCT CODE 113013804FILE NO.SERVICE MANUAL Remote Control DigitalColor Television DP19648 (U.S.A.)(CANADA)ORIGINAL VERSIONChassis No. P19648-00NOTE: 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. . . . . . . . . . . . . . . . . . . 6-8CHASSIS ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . 10CABINET PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . 25COMPONENT AND TESTPOINT LOCATIONS . . . . . . 26BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 29BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 30IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . 31-36TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . 37-38CONTROL PORT FUNCTIONS. . . . . . . . . . . . . . . . . . . . 40SIGNAL FLOW CHARTS . . . . . . . . . . . . . . . . . . . . . . 42-46SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 47IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 48PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 49CAPACITOR AND RESISTOR CODE CHART . . . . . . . . 50SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . 51-52© Sanyo Manufacturing Corporation 2008