Sanyo DS31520 Service Manual

Also see for DS31520: Owner's manual Owner's manual

Contents

Sanyo DS31520 Service Manual Manual pdf 1 page image

ASFILE NO.SERVICE MANUAL Remote Control ColorTelevision DS31520 (U.S.A.)ORIGINAL VERSIONChassis No. 31520-00NOTE: 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.ContentsSafety Instructions . . . . . . . . . . . . . . . . . . 2Service Adjustments . . . . . . . . . . . . . . 3 - 9Service Hints . . . . . . . . . . . . . . . . . . . . . . 10Mechanical Disassemblies. . . . . . . . . . . 11Chassis Electrical Parts List . . . . . . 12 - 19Cabinet Parts List . . . . . . . . . . . . . . . . . . 20Component and Test PointLocations . . . . . . . . . . . . . . . . . . . 21 - 23Schematic Insert . . . . . . . . . . . . . . . 25 - 32Schematic Notes . . . . . . . . . . . . . . . . . 25Pin Layouts . . . . . . . . . . . . . . . . . . . . . 25Capacitor and Resistor Codes . . . . . . 25Block Diagram . . . . . . . . . . . . . . . 26 - 28Voltage Charts . . . . . . . . . . . . . . . 26 - 27Waveforms. . . . . . . . . . . . . . . . . . . . . . 28Schematic Diagrams . . . . . . . . . . 29 - 32SpecificationsPower Rating . . . . . . . . . . . . . . . . . . . . . 120V, 60Hz89W (Avg), 2.5A (Max)Antenna Input Impedance . . . . . . . . . . . . . . . . . 75ΩUHF/VHF/CATVReceiving Channel . . . . . . . . . . . . . . . . 2 - 13 (VHF),14 - 69 (UHF),01, 14-94, 95-125 (CATV)Remote Ready . . . . . . . . . . 37 Key Remote ControlSound Output . . . . . . . . . . . . . . . . . . . . . . 1.0 W/CHIntermediate FrequencyPicture IF Carrier . . . . . . . . . . . . . . . . . . 45.75MHzSound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHzColor Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHzPicture Tube . . . . . . . . . . . . . . . . . . M78JUA361X72SemiconductorsIntegrated Circuits. . . . . . . . . . . . . . . . . . . . . . . 10Transistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Except within Tuner and RC Pre-Amp.Cabinet DimensionsWidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . 754 mmHeight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 732 mmDepth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 538 mmREFERENCE No. SM780079DS31520, G7SAM, PRODUCT CODE 111359080ASMTS STEREO