COLOR TELEVISION RECEIVER Chassis : KS2A(REV.1) Model : CT15K8W6X/XAP CL25K4W7X/XAX CL29C1W7FX/XAP MR29410X/TCE 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...
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 overheating, and correct any potential hazards. Samsung Electronics...
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...
Page 6
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...
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...
Page 9
IC803 KA78R08 8V Controlled Regulator IC903 KA78RM33 3.3V Regulator IC904 KIA7025AP MICOM Reset IC Q909 2N7000 IIC Level Shifter Q910 TAFC-H0051 TU01 Main Tuner with IF Block D813 FML-G12S Rectifier Diode IC501 STV5109 Video Output AMP R.G.B Drive Samsung Electronics...
Page 10
Reference Information Table 2-3-1 VIDEO IC REMARK FUNCTION SPEC Basic 1H Comb Filter VDP3108B 2H Comb Filter, DVD Input VDP3130Y Table 2-3-2 SOUND AMP SPEC FUNCTION REMARK TDA7297 7W x 2CH, 10W x 2CH 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...
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...
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...
Page 16
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...
Page 17
SUB BRIGHT Control SUB CONTRAST Control SUB COLOR SUB TINT BCL THRESHOLD BCLGAIN BCL TIME DVD SUB TINT N. YC DELAY Samsung Electronics INCH 25" STEREO 27V 1.3R 23V 1.3R 25V 1R 27V 1R 20V 1R 15" FLAT 21" STEREO TXK2550...
Page 18
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...
Page 19
CL25M6W TXK2754 TXK2566 TXK2067 TXK2567 CL663BW VIDEO ADJUST2 INIT B STRETCH-BTHR B DTRETCH-BTLT 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...
Page 21
TXK2754 TXK2767 CL25D4W TXK2066 CT-15A8 CL21S8W7X CL25M6P TXK2067 TXK2566 TXK2754 CL25M6P TXK2567 TXK2067 TXK2567 CL663BW G2 Adjust CL663BW MRC R G B G2 Adjust MRWDG MRC R G B MRC R G B IBRM MRWDG WDRV IBRM WDRV Samsung Electronics...
Page 22
-13(FIX) -13(FIX) H SYMMETRY H SYMMETRY H CORNER H CORNER Control 69(FIX) 69(FIX) 69(FIX) 69(FIX) H SHIFT Control PIP CONTRAST PIP CONTRAST PIP TINT PIP TINT PIP PAL V.POS PIP NTSC V.POS PIP NTSC V.POS PIP H.POS 4-10 Samsung Electronics...
Page 23
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 4-11...
Page 25
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 4-13...
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...
Page 28
CRT and FBT Abnormal 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 / Replace Check tuner B+ and Main CVBS IC201 Samsung Electronics...
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/Replace Check IC601 B+ Line (8V) Samsung Electronics...
Page 30
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...
Page 31
Exploded View & Parts List 6. Exploded View & Parts List 6-1 CT15K8W6X/XAP Code No Description;Specification Q’ty Remark AA92-00771A ASSY-CABINET,FRONT;15K8,SV907P+DB004P,HB A/FRNT AA64-01730D CABINET FRONT;15K8,S907P+D004P NT TURBO, INLAY-COVER AA64-01371B KNOB POWER;15K8,ABS,G3676,SV907P+W971,HB AA61-60003J SPRING-CS;-,-,SUS304,0.5,OD6,H SPRING AA61-40113A STOPPER-PCB;-,ABS,HB,NTR. STOPPE 3001-001020 SPEAKER;3W,8ohm,90dB,140Hz 6003-001019 SCREW-TAPTITE;RH,+,B,M4,L12,ZPC(BLK),SWR...
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...