sharp 21hs50h free download

File name 21HS50444.pdf

21HS-50H SERVICE MANUAL SEBD21HS50H01 Issued: 24th October 2001 GA-1E CHASSIS PAL I SYSTEM COLOUR TELEVISION MODEL 21HS-50H 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 CONTROLS & TERMINALS...5 SERVICE ADJUSTMENTS...6 CHASSIS LAYOUT...12 LED FLASHING CODE...13 PRINTED WIRING BOARDS...13 ICs ADDITIONAL INFORMATION...18 SCHEMATIC DIAGRAM, WAVE FORMS...26 BLOCK DIAGRAM...32 TROUBLESHOOTING TABLES...34 PARTS LISTING...37 SHARP CORPORATION This document has been published to 1 be used for after sales service only. 21HS-50H 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 21HS-50H ELECTRICAL SPECIFICATIONS ·Power Input ...220V-240 Volts AC 50Hz ·Power Consumption Normal Operation...43W Stand-by Operation...3W ·Adjacent Sound Carrier Trap...40.9MHz ·Sound Carrier Trap...32.9MHz ·Audio Power Output Rating ...4W x 2(MPO) Speaker...16 4W, 9 x 5 cm,2pcs Convergence...Self Converging System Focus...Bi-Potencial Electrostatic Sweep Deflection...Magnetic ·Picture Intermediate Frecuency...38.9MHz ·Adjacent Picture Carrier Trap...30.9MHz ·Aerial Input Impedance VHF/UHF...75 ohm Unbalanced ·Tuning Ranges ...45.75MHz thru 855.25 MHz VHF...IR A - J S1-S41 (HYPERBAND) UHF...I21 - I69 CH ·White Level Set the brightness control, with no signal connected, so that the CRT cathode current is 600mA. The maximum correction applied to each cathode current to achieve a screen temperature of 8900 degrees K-20 MPCD should not exceed 15% of its original value. X 0.290 ± 0.015 Y 0.284 ± 0.015 Screen temperature 8900є K-20 MPCD Specifications are subject to change without prior notice. WARNING The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power