Television Video Cassette Recorder Chassis : C15C Model : TB14A53X/XSA TB20A53X/XSA Television Video Cassette Recorder CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustment (Mechanical) Alignment and Adjustment (Electrical) Troubleshooting Exploded View and Parts List Electrical Parts List Block Diagram...
The current measured should the X–ray 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 instrument’s ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s 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...
14” (368.5 x 388 x 381) 20” (488 x 477 x 488) 21” (520 x 495 x 508) Weight 14” (11.7 kg) 20” (20.4 kg) 21” (23.2 kg) Operating temperature 5°C - 40°C (41°F - 104°F) Relative humidity 10% - 75% Samsung Electronics...
Adjustment, Option and Reset. 3. Access the Adjustment Mode by pressing the “VOLUME” keys ( Up or Down). The adjust- ment parameters are listed in the accompany- ing table, and selected by pressing the CHAN- NEL keys (s,t ). Samsung Electronics...
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Alignment and Adjustments (Electrical) Samsung Electronics...
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Alignment and Adjustments (Electrical) Samsung Electronics...
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2. Turn on the TV. Set the Brightness and Contrast controls to minimum (zero beam current). 3. The high voltage should not exceed 27.5KV. 4. Adjust the Brightness and contrast controls to both extremes. Ensure that the high voltage does not exceed 27.5KV under any conditions. Samsung Electronics...
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9. Slowly move the deflection yoke forward, and 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...
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1. Input either a Lion Head or a “pure white” pattern. 2. Warm up the TV for 30 minutes. 3. Check the data in the Service Mode 4. Adjust RG, BG in the Factory Mode. 5-4-7 (B) LOW-LIGHT ADJUSTMENT 1. Automatically accomplished during the high-light adjustment. Samsung Electronics...
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Superimpose the red and the blue vertical (Fig. 5-3). lines in the center area of the screen. Fig 5-3 Center Convergence Adjustment 5-4-9 Dual Tuner AFT Adjustment Samsung Electronics...
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3. DC Voltmeter 4. TV CH Generator 5. Attenuator 6. Recording tape. (Blank tape) 7. Pattern Generator : PAL color bar. 100% White. Fig. 5-4 Alignment Tape Fig. 5-6 Color bar signal of alignment tape (75% Color Bars) Samsung Electronics...
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Play, Rec,F-PS,Still,SLOW,F-ADV STOP1 Stop (Play position 5 Min. over) STOP 2 (MAIN Break ON MODE) FF / REW 1 High speed Rew, Low speed FF FF / REW 2 High speed FF, Low speed Rew X : DON’T CARE Samsung Electronics...
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Alignment and Adjustments (Electrical) 5-5-4 TWIN PAL OPTION TABLE 5-10 Samsung Electronics...
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Alignment and Adjustments (Electrical) 5-5-5 WITHOUT KEY PART LIST Samsung Electronics 5-11...
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Alignment and Adjustments (Electrical) 5-5-6 HI-FI AUDIO BLOCK PART LIST 5-12 Samsung Electronics...
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Alignment and Adjustments (Electrical) Samsung Electronics 5-13...
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Alignment and Adjustments (Electrical) 5-5-7 WITHOUT SECAM PART LIST 5-14 Samsung Electronics...
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Alignment and Adjustments (Electrical) Samsung Electronics 5-15...
2 and 15 (PH high output of micom’s pin 6), and then to IC201S pin 17, where it outputs as RGB. 9-1-1(D) SYNCHRONOUS RECORDING: The viewer sees the signal from the 1st tuner , while the signal from the second tuner is recorded. Audio processing for the French system type is shown in the table. Samsung Electronics...