COLOR TELEVISION RECEIVER Chassis : SCT53A Model : CS30A7HPTX/BWT COLOR TELEVISION RECEIVER CONTENTS Precautions Reference Information Specifications Disassembly and Reassembly Alignment and Adjustments Troubleshooting Exploded View and Parts List Electric Parts List 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...
Page 4
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...
Page 5
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...
Page 6
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...
Millimeter Hour Millisecond Inches Per Second Millivolt Kilowatt-hour Nanofarad Ω Kilogram Kilohertz Picofarad kΩ Kilohm Pound Kilometer Revolutions Per Minute km/h Kilometer Per Hour Revolutions Per Second Kilovolt Second (Time) Kilovolt-ampere Volt Kilowatt Volt-ampere Liter Watt Megahertz Watt-hour Samsung Electronics...
Page 8
Fail Safe Voltage Controlled Oscillator Ground VCXO Voltage Controlled Crystal Oscillator Green-Y Very High Frequency High Video Intermediate Frequency High-Frequency Variable Resistor HI-FI High Fidelity Video Tape Recorder Inductance-Capacitance VTVM Vacuum Tube Voltmeter Integrated Circuit Transistor Intermediate Frequency Samsung Electronics...
Disassembly and Reassembly 4. Disassembly and Reassembly 4-1 Back Cover Removal 1. After removing the 7 screws, pull the cabinet backwards. 4-2 Speaker Removal 1. Loosen the 4 screws and remove the Speaker Holders. Samsung Electronics...
Page 15
Disassembly and Reassembly 4-3 CRT Removal 1. Spread a soft mat on the floor. Place the TV set face down. 2. Remove the 4 screws mounting the CRT to the front cabinet. 3. Lift the CRT. Samsung Electronics...
2. Turn on the TV. Set the Brightness and Contrast controls to minimum (zero beam current). 3. Adjust the Brightness and contrast controls to both extremes. Ensure that the high voltage does not exceed 32 KV under any conditions. Samsung Electronics...
Page 17
9. Slowly move the deflection yoke forward. Adjust for the best overall green screen. 10. Temporarily tighten the deflection yoke. 11. Produce blue and red rasters by adjusting the -low-light controls. Check for good purity in each field. 12. Tighten the deflection yoke. Samsung Electronics...
Page 18
2 POLE PURITY 2 Pole Magnet 6 Pole Magnet Clamper Screw YOKE CLAMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE Fig. 5 - 1 Convergence Magnet Assembly Vertical Green Belt 31m/m Fig. 5 - 2 Center Convergence Adjustment Samsung Electronics...
Page 19
4. Turn both tabs at the same time, keeping the angle constant: Superimpose the red and blue horizontal lines in the center of the screen. RED/BLUE GREEN BLUE BLUE RED/BLUE GREEN 6-Pole Magnet Movement 4-Pole Magnet Movement Fig 5-3 Center Convergence Adjustment Samsung Electronics...
Page 20
P. Ver - EHT P. Bow Option Service Mode Video Adjustment AV_LINK Deflection PAL Plus Option 12.8 : 9 (Q) Reset 16 : 9 Wide Dolby Prologic 3D Sound S - Audio Mute Blue Screen UHF Only ATM ONE RUN Samsung Electronics...
HP-L STD-5V CN09A R-LED STD-5V TO AV G-LED CN08A CONTROL TO AV CONTROL D-COIL CN07A POWER SW CN15/4P TO MAIN SPEAKER 135V SCL2 SDA2 HEATER FACT SCL1 215V SDA1 CN17/3P CN801 ST5V TO CENTER TO CRT SPEAKER CNFAC Samsung Electronics...