COLOR TELEVISION RECEIVER Chassis : K15C Model : TXM2756X/XAA TXM2556X/XAA CT29F6SWX/XAO CT26F6SWX/XAO CT29F6SWX/XAP CT26F6SWX/XAP COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustment Troubleshooting Exploded View and Parts List Electrical Parts List Block Diagram...
Precautions 1. Precautions Follow these safety, servicing and ESD precautions to prevent damage and protect against potential hazards such as electrical shock and X-rays. 1-1 Safety Precautions 1. Be sure that all of the built-in protective devices are replaced. Restore any missing (READING SHOULD NOT BE ABOVE protective shields.
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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...
Precautions 1-2 Servicing Precautions Warning1: First read the “Safety Precautions” section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Warning2: An electrolytic capacitor installed with the wrong polarity might explode. 1.
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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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Specifications and IC Data 2-3 Semiconductor Base Diagrams ELECTROLYTIC- CONDENSER DIODE SPM456AN(Pin 64) U4468B(Pin 16) MSP3425G(Pin 52) TRANSISTOR SAW-FILTER TRANSISTOR M3953M M9261M KSC5802 KSC815-Y KSA539-Y E B C TRANSISTOR LA7841 TDA6107Q KA7632 KSC2331-Y E C B Fig. 2-1 Semiconductor Base Diagrams Samsung Electronics...
Disassembly and reassembly 3. Disassembly and Reassembly 3-1 Back Cover Removal 1. After removing the screws, press the tension rib and pull the cabinet backwards. 2. To reassemble, press the tension rib (see diagram). Samsung Electronics...
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Warning: The FBT is charged with high voltage. Before removing the Anode Cap, discharge the voltage through one of the heat sinks on the main board. 3-3 Speaker Removal 1. Remove the speaker by pressing the tension rib. Samsung Electronics...
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Always lift the picture tube by grasping it firmly around the faceplate, (2) Never lift the tube by its neck. (3) Do not scratch the picture tube or apply excessive pressure. Fractures of the glass may cause an implosion. Samsung Electronics...
“VOLUME” keys ( Up or Down). The adjust- 6. Cancel the Adjustment Mode by re-pressing ment parameters are listed in the accompany- the “FACTORY” or “Power OFF” keys. ing table, and selected by pressing the CHAN- NEL keys ( Samsung Electronics...
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0 ~ 1 M atri x U S A FIX (Mono) A u tomatic Gain C ontrol 0 ~ 6 3 0 ~ 1 D y nami c S k i n Tone DVDB D VD B right Offs et Samsung Electronics...
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- Hotel mode On/ Off HOTEL MODE - Bule Screen On/ Off without signal BULE SCREEN - SIF Option at Mono sound 2'nd SIF INTERNAL - V-CHIP On/Off V-CHIP - DVD, S-VHS Option AV Option AV + DVD - DEMONSTRATION On/Off DEMO Samsung Electronics...
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7. Do not attempt to connect or disconnect any wires while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 8. To protect against shock hazard, use an isola- tion transformer. Samsung Electronics...
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3. Use the P mode key (on the remote control) for the STANDARD picture. 4. Adjust the Screen VR (on the FBT) so that the voltage on the oscilloscope becomes 125+2.5V (See Fig. 4-1). 125 2.5V Fig. 4-1 Samsung Electronics...
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Mode with using CA100. See Fig. 4-4. Fig. 4-4 2. Adjust RG,BG so that the levels are suitable to each local area. (c) High-Light Adjustment 1. Set SCT to 35 FL in the Factory Service Mode with using CA100. See Fig. 4-4 . Samsung Electronics...
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8. Since the 4-pole magnets and 6-pole magnets lines in the center area of the screen. interact, the dot movement is complex (Fig. 4-5). RED/BLUE GREEN BLUE BLUE RED/BLUE GREEN 6-Pole Magnet Movement 4-Pole Magnet Movement Fig. 4-5 Center Convergence Adjustment Samsung Electronics...
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4. Fig. 4-7 4. Adjust with VSL (Vertical-Slope) so that the bottom margin of the picture is 4. Fig. 4-8 5. Adjust with HS (Horizontal Shift) so that the lion-head pattern and CRT centers are aligned. Samsung Electronics...
IC201S Abnormal Normal Replace Abnormal IC201 S Check the FD801S, D807, IC801S Check the or AC-Fuse Check/Replace (33)Pin (H-Drive) IC802 of IC201S Abnormal Normal Abnormal Check the 130V- A Line Check the Normal FBT,D805(D806) Check / Replace Q401 Samsung Electronics...
Block Diagram 8. Block Diagram 8-1 K15C T U NE R -F /S SI F SA W V E R T IC AL UVS815KA-AMP M9261M A M P S/ W V I F SA W M3953M LA7841 LA7510 (Option) I 2C 21/ 22 R G B A M P T D A 6107...
9. Wiring Diagram 9-1 K15C VIDEO OUT VIDEO IN SOUND L OUT SOUND R OUT SOUND L IN SOUND R IN B+ OUT HEAT B- OUT G- OUT R- OUT L+ OUT L- OUT R+ OUT R- OUT Samsung Electronics...
Schematic Diagrams 10. Schematic Diagrams 10-1 MAIN (1/4) TP01 TP02 TP03 TP04 TP07 TP12 TP05 TP04 TP11 TP05 TP06 TP06 TP03 TP08 TP10 TP09 TP07 TP08 TP01 TP02 TP09 TP10 TP11 TP12 : Power Line : Signal Line Samsung Electronics 10-1...
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Schematic Diagrams 10-2 MAIN (2/4) TP01 TP02 TP05 TP03 TP04 TP04 TP03 TP05 TP02 TP01 : Power Line : Signal Line 10-2 Samsung Electronics...
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Schematic Diagrams 10-3 MAIN (3/4) TP01 TP01 TP02 CONT- I N _ O U T _ P U T 2 INPUT P U T 2 TP02 : Power Line : Signal Line Samsung Electronics 10-3...
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Schematic Diagrams 10-4 MAIN (4/4) 10-4 Samsung Electronics...