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COLOR TELEVISION RECEIVER
Chassis : KS3A (REV. 1)
Model: CS29A5WT8X/XSG
CS29A6WT8X/BWT
COLOR TELEVISION RECEIVER CONTENTS
1. Precautions
2. Reference Information
3. Specifications
4. Alignment and Adjustments
5. Troubleshooting
6. Exploded Views and Parts List
7. Electrical Parts List
8. Block Diagrams
9. Wiring Diagram
10. Schematic Diagrams
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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 LEAKAGE protective shields. DEVICE 0.5mA) CURRENT UNDER TESTER TEST 2. When reinstalling the chassis and its TEST ALL EXPOSED METAL assemblies, be sure to restore all protective SURFACES
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Precautions 1-1 Safety Precautions (Continued) 15. Observe the original lead dress, especially 9. High voltage is maintained within specified near the following areas: Antenna wiring, limits by close-tolerance, safety-related sharp edges, and especially the AC and high components and adjustments. If the high voltage power supplies. Always inspect for voltage exceeds the specified limits, check pinched, out-of-place, or frayed wiring. Do each of the special components. not change the spa
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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. 5. Check the insulation between the blades of the 1. Servicing precautions are printed on the AC plug and accessible conductive parts cabinet. Follow them. (example
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Precautions 1-3 Precautions for Electrostatically Sensitive Devices (ESDs) 1. Some semiconductor (“solid state”) devices 5. Use only a grounded-tip soldering iron when are easily damaged by static electricity. Such soldering or unsoldering ESDs. components are called Electrostatically Sensitive Devices (ESDs); examples include 6. Use only an anti-static solder removal device. integrated circuits and some field-effect Many solder removal devices are not rated as transistors. The following techn
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Reference Information 2. Reference Information 2-1 Tables of Abbreviations and Acronyms Table 2-1 Abbreviations A Ampere MV Megavolt Ah Ampere-hour MW Megawatt Å Angstrom MΩ Megohm dB Decibel m Meter dBm Decibel Referenced to One µA Microampere Milliwatt µF Microfarad °C Degree Celsius µH Microhenry °F Degree Fahrenheit µm Micrometer °K degree Kelvin µs Microsecond F Farad µW Microwatt G Gauss mA Milliampere GHz Gigahertz mg Milligram g Gram mH Millihenry H Henry mI Milliliter Hz Hertz mm Millim
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Reference Information Table 2-2 Table of Acronyms ABL Automatic Brightness Limiter I/O Input/output AC Alternating Current L Left ACC Automatic Chroma Control L Low AF Audio Frequency LED Light Emitting Diode AFC Automatic Frequency Control LF Low Frequency AFT Automatic Fine Tuning MOSFET Metal-Oxide-Semiconductor-Field-Effect-Tr AGC Automatic Gain Control MTS Multi-channel Television Sound AM Amplitude Modulation NAB National Association of Broadcasters ANSI American National Standards Institu
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Reference Information 2-2 IC Line Up Table 2 - 3 IC Line - Up NO BOARD LOC. NO SPEC DESCRIPTION REMARK Video Processor Refer to Table 2-3-1 IC201S VDP3112B Refer to Table 2-3-2 IC601 MSP3411G Multistandard Sound Processor IC901 SDA555X MICOM, TTX(MTP) KS24L161 EEPROM IC902 Refer to Table 2-3-3 Audio AMP IC602 TDA7297 VM Option HIC201 HIC202 DRGB001 RGB Drive AMP Hybrid IC HIC203 HIC204 100Hz Horizontal Pulse AMP Option HIC401 DDRI001 Vertical IC IC301 LA7845 Q402 KSC2073-H2 Horizontal Drive IC
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Reference Information Table 2 - 3 IC Line - Up BOARD NO LOC. NO SPEC DESCRIPTION REMARK IC501 TDA6111Q Video Output AMP R.G.B Drive IC502 IC503 2 CRT QF04 2SC2344 Push-Pull (VM) 2SA1011 QF05 Option QG02 KSA940 TR-Power (TILT) QG03 KSD2073-H2 ICG01 KA4558 OP-AMP (TILT) ICH01 KA4558 OP-AMP DOUBLE 3 Option FOCUS 2SC4636RB QH01 TR-Power V-S/W TEA6425 4 ICS01 Video Switching IC with Adder Output Option SDA9489X High-end Picture-In Picture IC Option ICP01 5 PIP EZ1086CM ICP02 3.3V Regulator 2-4 Samsu
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Reference Information Table 2-3-1 VIDEO IC (IC201S) REMARK SPEC FUNCTION VDP3108B 50Hz Basic VDP3112B 50Hz, 2H Comb Filtr VDP3120B 50Hz, 2H Comb Filter, Horizontal Scaler VDP3132Y 50Hz, 2H Comb Filter, DVD Input VDP3140D 100Hz Table 2-3-2 SOUND IC (IC601) REMARK SPEC FUNCTION MSP3400D Multistandard, A2 Stereo MSP3410D Multistandard, A2 Stereo, Nicam MSP3411G Multistandard, A2 Stereo, Nicam, Vitual Dolby Table 2-3-3 SOUND AMP (IC602) FUNCTION REMARK SPEC 15W x 2CH, 10W x 2CH TDA7297 Table 2-3-4
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MEMO 2-6 Samsung Electronics
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Specifications 3. Specifications Television CS PAL/SECAM-B/G,D/K,L,I, NTSC-M System Antena Input 75ohms, Coaxial Cable Consumption 100W (Applied When 29” Flat) 220V Only Power Requirements Not Present R815 Free Voltage Frequency 50/60Hz 15W x 2CH Output 10W x 2CH 5W x 2CH Sound Option Vitual Dolby Effect Turbo Sound Pseudo Stereo RCA Input Front Option S-VHS (AV2) Head-Phone AV1 : Scart I/O, RGB Input, Jacks RF Out 2Scart Input/Output AV2 : Scart I/O, Monitor Out Back Option DVD Input(YPbPr
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MEMO 3-2 Samsung Electronics
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Alignment and Adjustments 4. Alignment and Adjustments 4-1 General Alignment Instructions 1. Usually, a color TV-VCR needs only slight 5. Avoid overload. Excessive signal from a touch-up adjustment upon installation. Check sweep generator might overload the front-end the basic characteristics such as height, of the TV. When inserting signal markers, do horizontal and vertical sync and focus. not allow the marker generator to distort test results. 2. Observe the picture for good black and
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Alignment and Adjustments 4-4 Dynamic Focus Adjustment 1. A dynamic focus adjustment should be done after replacing the CRT PCB, FBT or CRT. ❶ 2. Input a crosshatch pattern. 3. Enter “ STANDARD “ in video mode. 4. Turn the Dynamic focus VR fully clockwise (maximum).( ) ❶ ❷ 5. Turn the Static focus VR fully counterclockwise (maximum).( ) ❷ 6. Slowly turn the static focus VR counterclockwise. Adjust until the ❷ STATIC FOCUS VR vertical line in the middle of the screen H has maximum clarity
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Alignment and Adjustments 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) Note 1. When you do not have Toshiba Pattern, follow this method. 1. Set the TV on the condition that AV mode no signal(black) 2. Enter the “Menu” and set the mode to blue screen off. 3. Enter the “Service Mode”. 4. Select “ G2-Adjust”. 5. Set the values as below. IBRM = 220 WDRV =
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Alignment and Adjustments 2 4-6 E PROM (IC902) Replacement 1. When IC902 is replaced, all adjustment data revert to the initial values. So, all adjustment values when servicing should be readjusted. 2. After IC902 is replaced, connect the AC power supply cord. 3. Turn the power switch ON. 4. In stand-by, warm up the TV for at least 10 seconds. 5. Power on the TV. 4-7 White Balance Adjustment Equipment : Color-Analyzer (CA-100) Input Signal : Pattern signal (Toshiba pattern) 1. Select STAN
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Alignment and Adjustments 4-8 Factory Adjustment 4-8-1 Service Mode 1. To enter the “Service Mode”, Press the remote-control keys in this sequence : - If you do not have Factory remote-control DISPLAY() PICTURE OFF PICTURE ON MENU MUTE - If you have Factory remote-control PICTURE ON DISPLAY() FACTORY 2. After the Service Mode is entered, the initial screen is as shown in the figure below. Service Deflection Video Adjust 1 Video Adjust 2 Video Adjust 3 Option(81h 0Ch) * These hexa digits are
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Alignment and Adjustments 4-8-2 Memory Data 4-8-2(A) DEFLECTION (GEOMETRIC ADJUSTMENT VALUE) Fixed Value Initial No. OSD Range Function Remark Value 1 V Shift -128 ~127 -30 Adjust Vertical Picture Position -7 2 V Amp -128 ~127 Adjust Vertical Picture Size 3 V Slope -3 Adjust Vertical Slope Correction -128 ~127 4 V SC -128 ~127 -17 Not to be adjusted Adjust Vertical S-Correction 5 H EW -128 ~127 73 Adjust Horizontal Picture Size 6 H Trapizium -128 ~127 -47 Adjust Horizontal Trapeziod H Parabola
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Alignment and Adjustments 4-8-2(B) SCREEN CHANGE (I2C BUS GEOMETRIC ADJUSTMENT) 1 V Shift 6 V Amp 2 V Slope 7 V SC 8 3 H EW H Trapizium 9 H Symmetry 4 H Parabola 5 H Corner 10 H Shift Samsung Electronics 4-7
