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COLOR TELEVISION RECEIVER Chassis : K55A(N)_Rev.2 Model : TXN2668WHFXXAA COLOR TELEVISION RECEIVER CONTENTS Precautions Reference Information Specifications Alignment and Adjustments Exploded Views and Parts List Electrical Parts List Troubleshooting Block Diagrams Schematic Diagrams...
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Electrical Parts List 6. Electrical Parts List 6-1 TXN2668WHFXXAA You can search for the updated part code through ITSELF web site. URL : http://itself.sec.samsung.co.kr Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification...
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Block Diagrams 8-5 Power Block Diagram Samsung Electronics...
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CATHODE CXA2151 Deflection DRAM / SRAM Sync Counter Comp. & SW REF. UPD64083 TEA6425 H-OUT 3D Comb VM-COIL V-OUT Main Main TM Block Micom Jack Array - Rear Jack - Side Jack - Super Jack Sub TM Block Samsung Electronics...
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Schematic Diagrams 9-12 SIDE AV, WOOFER JACK, CONTROL WOOFER JACK SIDE AV CONTROL 9-12 Samsung Electronics...
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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...
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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...
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Heed the high voltage limits. These include not exceed 0.5 milliamp. Reverse the power- the X–ray Protection Specifications Label, and plug prongs in the AC outlet and repeat the the Product Safety and X-ray Warning Note on test. the service data schematic. 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 overheating, and correct any potential hazards. Samsung Electronics...
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Make sure that the portion around 8. Always connect a test instrument’s ground the serviced part has not been damaged. 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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These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Samsung Electronics...
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5. Turn the Static Focus VR counterclockwise slowly for the clearest NO USE center vertical line. <FBT FOCUS PACK> After Adjustment 6. Turn the Dynamic Focus VR clockwise slowly for the clearest third line. 7. Check for the FOCUS of entire screen. If necessary, re-do adjustments 3~6. Samsung Electronics...
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- Adjust Sub Contrast to set Y. - Adjust B Drive to set y. - Adjust R Drive to set x. c) Check the value of Low-Light. If necessary, readjust Low-Light. d) Check the value of High-Light. If necessary, readjust High-Light.15 Samsung Electronics...
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3. If White Balance has been readjusted, re-check Screen Voltage. 4. After adjustments are complete, check the following. - If spots appear on the screen after pressing the Power On/Off key, readjust Screen Voltage. - If flyback lines appear on the screen, readjust Screen Voltage. Samsung Electronics...
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Initially, these pins select an input 45(48) 33.75KHz (1080i) source at LOW state 46(49) - System (NTSC/PAL) MUST be separated S-MUTE - Active "LOW" 47(50) POWER - 1080I control jack: 1080i (LOW), RF (High) 48(51) H.P-ID HIGH - Magnetic field control 49(52) TILT Samsung Electronics...
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Check TUNER B+ and SIF Replace IC602 Check FA803S Abnormal Check IC601 B+ Normal Check the signals CheckB+(BV) LINE of pins 47,44,are input R815, IC805, FA802S Normal Check the signals of pins 25,24 are input Normal Repace IC601 Samsung Electronics...