Sharp 20MR10 Service Manual - Page 1

20MR10 SER VICE MANUAL S11O220MR10 COLOR TELEVISION Chassis No. SN-010 POWER VOL CH VIDEO IN AUDIO MENU MODEL 20MR10 In the interests of user-safety (Required by safety regulationsin some countries)the set shouldbe restoredto its original condition and only parts identical to those specified should be used. CONTENTS Page ELECTRICAL SPECIFICA TIONS ...1 IMPORTANT SER VICE SAFETY PRECAUTION 2 LOCATION OF USER'S CONTROL ...4 INSTALLATION AND SER VICE INSTRUCTIONS 5 CHASSIS LAYOUT ...11 BLOCK DIAGRAM ...12 SCHEMATIC DIAGRAMS ...13 PRINTED WIRING BOARD ASSEMBLIES 20 REPLACEMENT PARTS LIST ...23 PACKING OF THE SET ...29 ELECTRICAL SPECIFICA TIONS POWER INPUT AC 120 V, 60 Hz POWER RATING 69 W PICTURE SIZE 1,194cm2 (185sq inch) CONVERGENCE Magnetic SWEEP DEFLECTION Magnetic FOCUS Hi-Bi-Potential Electrostatic INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45.75 MHz Sound IF Carrier Frequency 41.25 MHz Color Sub-Carrier Frequency 42.17 MHz (Nominal) AUDIO POWER OUTPUT RATING 1 W (RMS) SPEAKER SIZE 8 cm (Round) VOICE COIL IMPEDANCE 32 ohm at 400 Hz ANTENNA INPUT IMPEDANCE VHF/UHF 75 ohm Unbalanced TUNING RANGES VHF-Channels 2 thru 13 UHF-Channels 14 thru 69 CATV Channels 1 thru 125 (EIA, Channel Plan U.S.A.) Specifications are subject to change without prior notice. SHARP CORPORA TION This documenthas been publishedto be used for after sales service only. 1 The contents are subject to change without notice.