Sharp 37GT-27S free download

File name Sharp 37GT-27S _ Chassis - SQUAD-T.pdf

37GT-27S SERVICE MANUAL SE0037GT27S00 Issued: 9th May 2002 SQUAD-T CHASSIS PAL SYSTEM COLOUR TELEVISION MODEL 37GT-27S ES/ESS/IT/ITS/GG 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 SERVICING NOTES...4 SERVICE ADJUSTMENTS...5 PRINTED WIRING BOARDS...12 COMPONENT LOCATION TABLES...14 ICs ADDITIONAL INFORMATION...17 SCHEMATIC DIAGRAM, WAVE FORMS...24 BLOCK DIAGRAM...30 TROUBLESHOOTING TABLES...32 PARTS LISTING...37 PACKING OF THE SET...42 REMOTE CONTROL DESCRIPTION...43 SHARP CORPORATION 1 This document has been published to be used for after sales service only. 37GT-27S SERVICE MANUAL UPDATE LOG SHEET Technical Report No. Technical Bulletin No. Cause / Solution Part No. Page No. Application Data /Serial No. Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc. If only part number changes are required, just change part number directly the part number in the Parts Listing Section. If you need more information, please refer to the Technical Report (Bulletin). 2 37GT-27S ELECTRICAL SPECIFICATIONS ·Power Input ... 220V-240 Volts AC 50Hz ·Power Consumption Normal Operation (Method IEC60107) ... 30W Stand-by Operation ...7.5W ·Focus ... High Bi-Potential Electrostatic ·Picture Intermediate frequency...38.9MHz ·Sound Carrier Trap... 33.4MHz ·Adjacent Sound Carrier Trap ... 40.4MHz ·Audio Power Output Rating (MPO) / Impedance Speaker... 2W, 32 ·Speaker...8cm Round ·Convergence (Maximum Misconvergence) Static (Centre) between any two colours ... 0.08 cm Dynamic after static equals zero Within 10cm (4") circle ... 0.12cm 10-25cm (4-10" ) circle ... 0.20 cm Everywhere else ... 0.28 cm ·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 S1 - S41 CH (Hyperband) UHF: E21 - E69 CH CATV Special Channels ·White Level Set brightness control to get total picture tube cathode current of 600 µA under no signal condition. Maximum necessary correction of each picture tube cathode current to get 8550 degrees K+1 MPCD screen temperature should not exceed 15% of its original va