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File name 70DS01FP chassis CA-10.PDF

70DS-01FP SERVICE MANUAL SEJB70DS01FP0 ISSUED: 02/NOV/99 CA-10 CHASSIS PAL SYSTEM COLOUR TELEVISION MODEL 70DS-01FP 70DS-01FP 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...2 IMPORTANT SERVICE NOTES...3 SERVICE ADJUSTEMENTS...4 PRINTED WIRING BOARDS...8 SCHEMATIC DIAGRAM...11 BLOCK DIAGRAM...14 PART LIST...15 SHARP CORPORATION 70DS-01FP ELECTRICAL SPECIFICATIONS Power Input ...220V-240 Volts AC 50Hz Power Consumption ...99W Intermediate Frecuencies ·Intermediate Frecuencies L'(VHF-L)...33.9MHz L(VHF-H, UHF)B/G...38.9MHz ·Sound IF Carrier Frequencies L'(VHF-L)...40.4MHz L(VHF-H, UHF)...33.5/32.4MHz B/G...33.05/33.158/34.47MHz Audio Power Output Rating...4.5 (M.P.O.)x2 Speaker...6cm X 13cm Voice Coil Impedance...7ohms x 2 units Convergence...Self Converging System Focus...Bi-Potencial Electrostatic Sweep Deflection...Magnetic ·Colour Sub-Carrier Frequencies SECAM L'...38.15/38.30625MHz SECAM L, B/G...34.65/34.49375MHz PAL B/G...34.47MHz Aerial Input Impedance VHF/UHF...75 ohm Unbalanced Tuning Ranges L/L'...55.75MHz thru 855.25 MHz B/G...48.25MHz thru 855.25 MHz CATV Special Channels Specifictions 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 receptable, when servicing this chassis. To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to qualified sercice personnel. 2 70DS-01FP 3 70DS-01FP 4 70DS-01FP 5 70DS-01FP 6 70DS-01FP 7 70DS-01FP PRINTED WIRING BOARDS SOUND IF PWB (COMPONENT SIDE + COPPER) SOUND IF PWB (SMD COMP. + COPPER) 8 GO BACK TO IF PWB PRINTED WIRING BOARD (MOTHER UNIT) COMPONENT SIDE. 70DS-01FP 9 70DS-01FP PRINTED WIRING BOARD (MOTHER UNIT) COPPER SIDE. 10 70DS-01FP 11 70DS-01FP SOUND IF SCHEMATIC DIAGRAM (N2 Version) 12 13 70DS-01FP BLOCK DIAGRAM 14 PART LIST 70DS-01FP REPLACEMENT PARTS Replacement parts wich have special safety characteristics are identified in this manual. Electrical components having su