COLOR TELEVISION RECEIVER Chassis : SCT57C Model: CK765DWT2X/BWT COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustments Troubleshooting Exploded View and Parts List Electric Parts List Block Diagram PCB Layout Wiring Diagram Schematic Diagrams...
The current measured should the XÐray Protection Specifications Label, and not exceed 0.5 milliamp. Reverse the power- the Product Safety and X-ray Warning Note on plug prongs in the AC outlet and repeat the the service data schematic. test. Samsung Electronics...
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14. Components, parts and wiring that appear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications. Always determine the cause of damage or overheat- ing, and correct any potential hazards. Samsung Electronics...
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Make sure that the portion around the serviced part has not been damaged. 8. Always connect a test instrumentÕs ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrumentÕs ground lead last. Samsung Electronics...
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4. Do not use freon-propelled chemicals. These unpackaged replacement ESDs. Motions such can generate electrical charges that damage as brushing clothes together, or lifting a foot ESDs. from a carpeted floor can generate enough static electricity to damage an ESD. Samsung Electronics...
Disassembly and Reassembly 3. Disassembly and Reassembly 3-1 Back Cover Removeal Fig. 3-1 1. After removing the screws, pull the cabinet backwards. Samsung Electronics...
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2. Remove the Anode Cap from the CRT. 3. Remove the main board by pulling it with both hands. Warning: The FBT is charged with high voltage. Before removing the Anode Cap, discharge the voltage through one of the heat sinks on the main board. Samsung Electronics...
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Disassembly and Reassembly 3-3 Speaker Removal 1. Loosen the screws and remove the speakers. (SCREW LOOSENING POINT) Fig. 3-4 Samsung Electronics...
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(1) Always lift the picture tube by grasping it firmly around the face- plate, (2) Never lift the tube by its neck. (3) Do not scratch the picture tube or apply excessive pressure. Fractures of the glass may cause an implosion. Samsung Electronics...
ÒVOLUMEÓ keys ( Up or Down). The adjust- 7. Cancel the Adjustment Mode by re-pressing ment parameters are listed in the accompany- the ÒFactoryÓ or ÒPower onÓ keys. ing table. Select them by pressing the CHAN- NEL keys ( , ). Samsung Electronics...
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2. Access the Test Pattern parameters by pressing a CHANNEL keys ( , ) while the Service Mode is on. The cursor will move to the test pattern. Press the VOLUME keys. On-screen display: ¨ ¨ ¨ GREEN BLUE Samsung Electronics...
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( 2) SOUND SYSTEM WHEN FACTORY MODE RESET ( 3) MANUAL SEARCH DOES NOT MATTER APPLIED TO MOMO AND L INE STEREO MODEL S (ONLY) B/G & D/K ( ONLY WHEN OPTION BYTE2 : D7=1, D6=0 ( ? ) BYTE2D : D7=1, D6=1) Samsung Electronics...
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WHEN BYTE2 D0 = HIGH, NICAM MODEL: D/K STEREO F = 6.25 MHz 4-2-5 RESET The Reset Mode is used during factory inspection. Function Reset: 1. Channels Added/Erase 2. Sort 3. Language Basic (English) 4. System Auto (Non-TTX micom only) Samsung Electronics...
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Adjust the VR screen for a normal picture is tion, disconnect its AC power for at least 10 (no blooming or flyback line). minutes. 3. Adjust the FOCUS control for well defined scanning lines in the center area of the screen. Samsung Electronics...
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4 Pole Magnet 2 POLE PURITY 2 Pole Magnet 6 Pole Magnet Clamper Screw ADJUST (VERTICA YOKE CLAMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE Fig. 4 -1 Convergence Magnet Assembly Vertical Green Belt 31m/m Fig. 4-2 Center Convergence Adjustment Samsung Electronics...
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Superimpose the red and the blue vertical interact, the dot movement is complex lines in the center area of the screen. (Fig. 4-3). RED/BLUE GREEN BLUE BLUE RED/BLUE GREEN 6-Pole Magnet Movement 4-Pole Magnet Movement Fig. 4-3 Center Convergence Adjustment Samsung Electronics...
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1. Input a UHF Band channel (70~80dB, 479.25MHz). 2. Adjust the AGC in the Factory mode. IC201 Pin 53 to 3.6V + 0.05V (DC). 5. Adjustment with PSL : Bottom of picture to bottom of screen. 6. Adjust PHS horizontally. Center the picture. Samsung Electronics...