File name 21HT15C.pdf21HT-15C 21HT-16C
SERVICE MANUAL
SE0021HT1*C00
Issued: 14th Nov 2002
GA-1E CHASSIS PAL SECAM B/G, D/K SYSTEM COLOUR TELEVISION
MODELS
21HT-15CS 21HT-16CS
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 SPECIFICATIONS ... 3 IMPORTANT SERVICING NOTES ... 4 CONTROLS & TERMINALS ... 5 SERVICE ADJUSTMENTS ... 6 HOTEL MODE FUNCTIONS ... 12 CHASSIS LAYOUTS ...14 LED FLASHING CODE ...15 PRINTED WIRING BOARDS ... 15 ICs ADDITIONAL INFORMATION ...20 SCHEMATIC DIAGRAMS ... 26 BLOCK DIAGRAMS ... 32 TROUBLESHOOTING TABLES ... 35 PARTS LISTING ... 38 CRT ADAPTATION ... 42 SOURCE OF DOCUMENTATION ... 43
SHARP CORPORATION This document has been published to
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be used for after sales service only.
21HT-15C 21HT-16C
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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21HT-15C 21HT-16C
ELECTRICAL SPECIFICATIONS
·Power Input ... 220V-240 Volts AC 50Hz ·Power Consumption
·Sound Carrier Trap
B/G ... 33.4MHz D/K ... 32.4MHz B/G ... 40.4MHz D/K ... 40.4MHz B/G ... 31.9MHz D/K ... 30.9MHz VHF/UHF ... 75 ohm Unbalanced VHF ... CH02-CH12, R01-R12 S1-S41 (HYPERBAND) UHF ... CH21 - CH69
Normal Operation (Method IEC60107) ... 43W Stand-by Operation ... 3W
·Adjacent Sound Carrier Trap
·Audio Power Output Rating ... 4W x 1 (MPO) ·Speaker ... 16 4W, 9 x 5 cm, 1pc ·Convergence ... Self Converging System ·Focus ... Bi-Potential Electrostatic ·Sweep Deflection ... Magnetic ·Picture Intermediate Frequency
·Adjacent Picture Carrier Trap
·Aerial Input Impedance
·Tuning Ranges ... 48.25MHz thru 855.25 MHz
B/G ... |