File name Sharp 70GS-64S _ Chassis - DA100.pdf70GS-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
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This document has been published to be used for after sales service only.
70GS-64S
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).
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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 |