COLOR TELEVISION RECEIVER Chassis : KS3A(N) Model : SAM27405C/XAA SAM25405C/XAA TXK3276C/XAA TXK3276C/XAC TXK3676C/XAA TXK3676C/XAC TXK3679C/XAA TXK3679C/XAC COLOR TELEVISION RECEIVER CONTENTS Precautions Reference Information Specifications Alignment and Adjustments Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams Wiring Diagram Schematic Diagrams...
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...
Milliliter Hertz Millimeter Hour Millisecond Inches Per Second Millivolt Kilowatt-hour Nanofarad Kilogram Kilohertz Picofarad 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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8V Controlled Regulator KA78RM33 IC903 3.3V Regulator KIA7025AP IC904 MICOM Reset IC Q909 2N7000 IIC Level Shifter Q910 Refer to Table 2-3-4 TU01S TCLN3181PA09A Main Tuner with IF Block Refer to Table 2-3-5 TU02S TCPN3081PD09A Sub Tuner with IF Block Samsung Electronics...
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Main, Thin Jack Main 1Tuner PAL N.M, NTSC, LNA Function TCPN3081PA09A Note TCPS3001PD09A(S) is out-of-date, TCPS3001PD09D(S) which is up-to-date has the same function. Table 2-3-5 2’nd TUNER (TU02S) REMARK FUNCTION SPEC NTSC, PAL N.M LNA Function TCLN3181PD09A TCPN3081PD09A NTSC Samsung Electronics...
Pseudo Stereo RCA Input Front Option S-VHS (AV2) Head-Phone Jacks 2 AV Input Back Option DVD Input(YPbPr) Option AV2 Monitor Audio Output Option S-VHS Specifications are subject to change. Specifications for Model Name Function NOTE 2 TUNER PIP 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...
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4-5 SCREEN Adjustment 1. Input Toshiba Pattern 2. Enter “Service Mode”.(Refer to “Service Mode”) 3. Select “G2-Adjust”. 4. Set the values as below. IBRM = 200 WDRV = 35 = 200 COLR G B = 120 120 120 Samsung Electronics...
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For example, when the value of “Red Cutoff” is 127, change the value to 128 and restore the value to 127. If you do not follow this procedure, the picture may be abnormal. For example, when the TV set is on, the picture becames brighter gradually. 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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3. After all settings are completed, adjust the service value of each mode to its default. 4. Refer to “Service Manual” for factory value. 5. Check the version a. Check the VDP version “Y” in the Factory Mode. b. Version Mode : “Y”, “B” from IC201S(Video Chip) VDD3130”Y” VDD3112”B”, VDD3108”B” Samsung Electronics...
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Alignment and Adjustments 4-8-2 Memory Data 4-8-2(A) DEFLECTION (GEOMETRIC ADJUSTMENT VALUE) Initial Adjustment SAM2540 DEFLECTION TXK3276 CL29A6 TXK3279 TXK3676 TXK3679 Value SAM2740 Value H Bow Fixed H Angle Adjustment H DSCC Fixed V SHIFT Adjustment V AMP Adjustment V SLOPE...
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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 H Shift Samsung Electronics...
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Alignment and Adjustments 4-8-2(C) VIDEO ADJUST 1 Initial Adjustment SAM2540 VIDEO ADJUST1 TXK3276 CL29A6 TXK3279 TXK3676 TXK3679 Value SAM2740 Value RED CUT OFF Adjustment GREEN CUT OFF Fixed BLUE CUT OFF Adjustment RED DRIVE Adjustment GREEN DRIVE Fixed BLUE DRIVE...
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Alignment and Adjustments 4-8-2(D) VIDEO 2 ADJUST Initial Adjustment SAM2540 VIDEO ADJUST2 TXK3276 CL29A6 TXK3279 TXK3676 TXK3679 SAM2740 Value Value B STRETCH-BTHR Fixed B DTRETCH-BTLT Fixed B STERTCH-BAM Fixed CORING Fixed NTSC COMB FILTER RGB BRIGHT Fixed RG B CONTRAST...
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“Peak Limit” is that with feed-back for white Slope 2 [0...15] peak level tilt 1 [0...511] tilt 2 [0...511] 1023 4-8-2(F) OPTION TXK3279 TXK3279 SAM2540 TXK3276 Model CL29A6 SAM2740 TXK3676 TXK3679 TXK3679 Initial Value Initial Value Initial Value Description...
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Alignment and Adjustments 4-8-2(G) OTHERS SAM2540 Initial Adjustment OTHERS TXK3276 CL29A6 TXK3279 TXK3676 TXK3679 SAM2740 Value Value Fixed VSU2 Fixed H QEW Fixed H ZOOM Parabola H 16:9 Parabola Fixed Fixed DVD Tint Control Fixed PAL V SHIFT PAL H SHIFT...
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OSD-B OSD-G OSD-R AV1 Ident VDD 2.5V AV2 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 4-12 Samsung Electronics...
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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. Tilt Tilt Control Output 4-14 Samsung Electronics...
Troubleshooting 5. Troubleshooting 5-1 No Power Samsung Electronics...
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Troubleshooting 5-2 No Picture Samsung Electronics...
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Sound is mute) Normal Check D816, Q906 Check Abnormal IC601 #24, #25 Normal Replace IC602 Check Abnormal IC601 Input Voltages (5V,8V) Normal Check the coils around IC601 Check Abnormal IC601 Input Signal Normal Check Replace the Tuner IC601 Samsung Electronics...