All manuals and user guides at all-guides.com COLOR TELEVISION RECEIVER Chassis : KS2A(N) Model : TXK2750X/XAC TXK2754X/XAC TXK2754X/XAA TXK2767X/XAA TXK2767X/XAC TXK2766X/XAA TXK2768X/XAC TXK2768X/XAA COLOR TELEVISION RECEIVER CONTENTS Precautions Reference Information Specifications Alignment and Adjustments Troubleshooting Exploded Views and Parts List...
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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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...
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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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Table 2-3-1 VIDEO IC REMARK SPEC FUNCTION VDP3108B Basic 1H Comb Filter 2H Comb Filter, DVD Input VDP3130Y Table 2-3-2 SOUND AMP REMARK SPEC FUNCTION 7W x 2CH, 10W x 2CH TDA7297 3W x 2CH, 5W x 2CH TDA7266S 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 30 KV under any conditions. Samsung Electronics...
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25V 1.0R/SDI 23V 1.3R/SDI 5. Turn the SCREEN VR until “MRCR G B” and “MRWDG” are green and those value are about 100. (The incorrect SCREEN Voltage may result that “MRCR G B” and “MRWDG” should be red) Samsung Electronics...
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7. Adjust CA-100 so that the final adjustment value can be fixed. 8. Use the Channel Up/Down ( / ) buttons to move the cursor on the adjustment modes. 9. Use the Volume +/- buttons to change the adjustment value. Samsung Electronics...
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PROM (sometimes MICOM) is replaced, the adjustment values should be controlled. - After the Service adjustment is completed, Do not select “Reset” in the service mode menu. (After above procedure is done, power is on initially and the “Plug and Play” will be operated.) Samsung Electronics...
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RED CUT OFF Control GREEN CUT OFF BLUE CUT OFF Control RED DRIVE Control GREEN DRIVE BLUE DRIVE Control SUB BRIGHT Control SUB CONTRAST Control SUB COLOR SUB TINT BCL THRESHOLD BCLGAIN BCL TIME DVD SUB TINT N. YC DELAY Samsung Electronics...
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All manuals and user guides at all-guides.com Alignment and Adjustments 4-8-2(B) SCREEN CHANGE (I2C BUS GEOMETRIC ADJUSTMENT) V Shift V Amp V Slope V SC H Trapizium H EW H Symmetry H Parabola H Corner 10 H Shift Samsung Electronics...
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TXK2566 TXK2754 TXK2067 TXK2567 CL663BW VIDEO ADJUST2 INIT B STRETCH-BTHR B DTRETCH-BTLT WDRGB B STERTCH-BAM CORING NTSC COMB FILTER RGB BRIGHT RG B CONTRAST EHT TIME EHT VERTICAL DTI CORING DTI GAIN DTI BAND EHT OFFSET EHT HORIZONTAL Samsung Electronics...
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GAIN 1 (VIDEO) DELAY 1 (VIDEO) PEAK VIDEO REF PEAK VIDEO GAIN LIMIT VALUE LIMIT VALUE VELOCITY DELAY VELOCITY DELAY VELOCITY CORING ACC-REF ACCR Samsung Electronics INCH 27V 1.3R 25V 1R 27V 1R 20V 1R 15" FLAT 23V 1.3R TXK2550 TXK2060 TXK2554...
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TXK2567 CL663BW TXK2550 G2 Adjust TXK2060 MRC R G B TXK2554 TXK2750 MRC R G B Model TXK2767 CL25D4W TXK2066 CT-15A8 TXK2566 TXK2754 MRWDG TXK2067 TXK2567 IBRM CL663BW WDRV G2 Adjust MRC R G B MRWDG IBRM WDRV Samsung Electronics...
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BCL THRESHOLD SUB TINT SUB TINT BCLGAIN BCL THRESHOLD BCL THRESHOLD BCL TIME BCLGAIN BCLGAIN DVD SUB TINT BCL TIME BCL TIME N. YC DELAY DVD SUB TINT DVD SUB TINT N. YC DELAY N. YC DELAY 4-10 Samsung Electronics...
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DELAY 1 (VIDEO) PEAK VIDEO REF LIMIT VALUE PEAK VIDEO REF PEAK VIDEO GAIN VELOCITY DELAY PEAK VIDEO GAIN LIMIT VALUE VELOCITY CORING LIMIT VALUE VELOCITY DELAY ACC-REF VELOCITY DELAY VELOCITY CORING ACCR VELOCITY CORING ACC-REF ACCR Samsung Electronics 4-11...
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15" FLAT 21" FLAT 25" FLAT Model CL15A8 Model TXK2768 CL15A8 CL21A8 CL25A6 Model TXK2768 CL15A8 CL21A8 CL25A6 MRC R G B MRC R G B MRC R G B MR WDG IBRM IBRM WDRV WDRV WDRV 4-12 Samsung Electronics...
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OSD-B OSD-G OSD-R Scart1 Ident VDD 2.5V Scart2 Ident Key 1 X-TAL Out H-Sync X-TAL In V-Sync MICOM Reset Key 3 N.C. Key 2 N.C. X-Ray Protect VDD 3.3V IR Input Stand-By LED N.C. Time LED Relay Samsung Electronics 4-13...
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Fast Blank/Half Contrast Output OSD-B CORE VDD 2.5V VDD 3.3V PX.Y When The Caption Function Adopted, Used. PX.Y N.C. Not Used (Programmed Gound Level) N.C. Sound Amp Mute S-Mute High Picture On/Off Control Power Not Used (Programmed Gound Level) N.C. Samsung Electronics 4-15...
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All manuals and user guides at all-guides.com MEMO 4-16 Samsung Electronics...
IC902 IC803, 805 IC804 Replace Check Normal Abnormal Check Q401 and IC902 Normal IC803 Horizontal Circuit Check FBT and B+(130V) Check Abnormal Check the resistance of SCL, SDA Line FD803 Replace FD803 Normal Check IC801, D801 FUSE Samsung Electronics...
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Abnormal Screen Voltage R.G.B Signal Output from IC201 Check Normal the signal output from IC201 Pin Check Normal Q202, Q203, Q204, Abnormal Q207, Q209, Q213, Q206, Q208, Q210 Check tuner B+ Check / Replace and Main CVBS IC201 Samsung Electronics...
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4 12 Check Normal Check the signal input IC602 B+ to IC601 Pin Abnormal Normal Abnormal Normal Check Check/Replace Replace Check IC601 B+ the resistance tuner B+ and SIF IC602 of FD802 Abnormal Check Check/Replace B+ Line (8V) IC601 Samsung Electronics...
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5-4 Horizontal Lines Appear on screen Horizontal Lines Apper on screen Check Normal Abnormal IC301 B+ (16V, -16V) Check B+ Line and the fusible Check resistance of R425, 424 Normal the VDP Signal output from IC201 Abnormal Check/Replace Check IC301 IC201 Samsung Electronics...
All manuals and user guides at all-guides.com Electrical Parts List 7. Electrical Parts List 7-1 TXK2750X/XAC (TXK2750X/XAC and TXK2754X/XAA Dissimilar Parts) Level Loc. No. Code No. Description ; Specification Remark Level Loc. No. Code No. Description ; Specification Remark ASSY-PCB,MAIN(OPT) ASSY-CABINET;(COM)
All manuals and user guides at all-guides.com Wiring Diagram 9. Wiring Diagram FRONT AV PCB CN06A TO SPEAKER CN05A CN01A CN501B GT804 CN502B +16V Heater 180V CN501A CN602 B Out G Out R Out CN701 Sense CN502A +16V Heat 220V GT102 Samsung Electronics...
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All manuals and user guides at all-guides.com MEMO Samsung Electronics...
All manuals and user guides at all-guides.com Schematic Diagrams 10. Schematic Diagrams 10-1 MAIN 1/4 (WITH EW) TP07 TP01 TP10 TP08 TP02 TP09 TP03 TP09 TP01 TP06 TP10 TP04 TP08 TP05 TP05 TP03 TP07 TP02 TP04 TP06 : Power Line : Signal Line Samsung Electronics 10-1...
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All manuals and user guides at all-guides.com Schematic Diagrams 10-2 MAIN 2/4 TP11 TP12 TP13 TP12 TP13 TP14 TP15 TP11 TP14 TP15 : Power Line : Signal Line 10-2 Samsung Electronics...
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All manuals and user guides at all-guides.com Schematic Diagrams 10-3 MAIN 3/4 TP22 TP16 TP23 TP17 TP23 TP22 TP24 TP18 TP16 TP18 TP17 TP25 TP19 TP21 TP19 TP20 TP24 TP25 TP20 TP21 : Power Line : Signal Line Samsung Electronics 10-3...
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All manuals and user guides at all-guides.com Schematic Diagrams 10-4 MAIN 4/4 TP32 TP26 TP33 TP27 TP35 TP33 TP26 TP34 TP34 TP28 TP27 TP32 TP35 TP29 TP31 TP28 TP29 TP30 TP30 TP31 : Power Line : Signal Line 10-4 Samsung Electronics...
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All manuals and user guides at all-guides.com Schematic Diagrams 10-5 POWER (W/O -EW) Samsung Electronics 10-5...
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All manuals and user guides at all-guides.com Schematic Diagrams 10-6 PIP 10-6 Samsung Electronics...
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All manuals and user guides at all-guides.com Schematic Diagrams 10-7 VIDEO SWITCH Samsung Electronics 10-7...