Sharp Sharp 70 ES - 14S free download

File name DA100_chassis_(70GS-64).pdf

70GS-64S SERVICE MANUAL SEJB70GS64S00 Issued: 14th Dec 2001 DA-100 CHASSIS PAL SYSTEM COLOUR TELEVISION MODEL 70GS-64SDE/IT In the interests of user safety (required by safety regulations in some countries) the set should restored to its original condition and only parts identical to those specified should be used. CONTENTS ELECTRICAL SPECIFICATION...3 IMPORTANT SERVICE NOTES...4 ADJUSTMENTS PROCEDURES...5 PRINTED WIRING BOARDS...10 COMPONENT LOCATION TABLES...15 SCHEMATIC DIAGRAM...21 STEREO LED FLASHING CODE...29 BLOCK DIAGRAM...30 PARTS LISTING...32 ALTERNATIVE PARTS...41 SHARP CORPORATION 1 This document has been published to be used for after sales service only. 70GS-64S ELECTRICAL SPECIFICATIONS ·Power Input ... 220V-240 Volts AC 50Hz ·Power Consumption Normal Operation ...84W Stand-by Operation ...1,3W ·Convergence Static (Centre) .. between any two colours Dynamic ... after static equals zero ·Focus ... High Bi-Potential Electrostatic ·Sweep Deflection ... Magnetic ·Picture Intermediate frequency ... 38.9MHz ·Audio Power Output Rating (MPO) / Impedance Internal Left Speaker ... 10W, 7 Internal Right Speaker ... 10W, 7 ·Sound Carrier Trap ... 33.4MHz ·Adjacent Sound Carrier Trap ... 40.4MHz ·Adjacent Picture Carrier Trap ... 31.9MHz ·Aerial Input Impedance VHF/UHF ... 75 ohm Unbalanced ·Tuning Ranges ... 48.25 MHz thru 855.25 MHz VHF: E2-E12 CH S1-S41 CH (Hiperband) UHF: E21-E69 CH ·Speakers Left / Right ... 6,5 x 13cm ·White Level Set brightness control to get total picture tube cathode current of 600 milliammeter under no signal condition. Maximum necessary correction of each picture tube cathode current to get 8550 degrees K-20 MPCD screen temperature should not exceed 15% of its original value. X=0.290 Y=0.300 Specifications are subject to change without prior notice. MODEL DESTINATION (Operation Manual languages). 70GS-64SDE: Dutch 70GS-64SIT: Italian. WARNING The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to qualified service personnel. 3 70GS-64S IMPORTANT SERVICING NOTES Only qualified service personnel are allowed to carry out maintenance and repair of this receiver. SERVICING OF HIGH VOLTAGE SYSTEM AND CRT It is important that the static charge is removed from the high voltage system when carrying out wo