Service Manual
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Exploded Views and Parts List 6. Troubleshooting 5. Precautions 2. Schematic Diagrams Alignment and Adjustments 4. Electric Parts List 7. Block Diagrams 8. COLOR TELEVISION RECEIVER Chassis : Model: K51A TXJ2060 TXJ2066 TXJ2067 TXJ2554 TXJ2566 TXJ2567 TXJ2754 TXJ2766 TXJ2767 TXJ2768 TXJ2879 COLOR TELEVISION RECEIVER CONTENTS 1. Specifications and IC Data 3.
Exploded Views and Parts List 6. Troubleshooting 5. Precautions 2. Schematic Diagrams Alignment and Adjustments 4. Electric Parts List 7. Block Diagrams 8. COLOR TELEVISION RECEIVER Chassis : Model: K51A TXJ2060 TXJ2066 TXJ2067 TXJ2554 TXJ2566 TXJ2567 TXJ2754 TXJ2766 TXJ2767 TXJ2768 TXJ2879 COLOR TELEVISION RECEIVER CONTENTS 1. Specifications and IC Data 3.
Service Manual
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... AVR circuit. Check/Replace AVR Circuit, Horiz Output Circuit and B+ Voltage Line. Check/Replace 1) D801 2) Short the Degaussing Coil 3) C801 Check/Replace the power switch Samsung Electronics 4-1 Troubleshooting 4-1 No Raster and No Sound No Raster and No Sound Troubleshooting No Voltage Check/Replace IC801 Q801 Normal Measure the B+ Voltage at TR collector. 4.
... AVR circuit. Check/Replace AVR Circuit, Horiz Output Circuit and B+ Voltage Line. Check/Replace 1) D801 2) Short the Degaussing Coil 3) C801 Check/Replace the power switch Samsung Electronics 4-1 Troubleshooting 4-1 No Raster and No Sound No Raster and No Sound Troubleshooting No Voltage Check/Replace IC801 Q801 Normal Measure the B+ Voltage at TR collector. 4.
Service Manual
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Troubleshooting 4-2 No Raster (Sound OK) No Raster (Sound Ok) Check that CRT Heater is Lighting Yes No Check Heater plus Abnormal Normal Abnormal Check H.V of CRT Check/Replace FBT Check/Replace CRT Drive Circuit Check/Replace FBT Abnormal Normal Check/Replace IC201 Check I2C Data Normal Check CRT Drive Circuit 4-2 Samsung Electronics
Troubleshooting 4-2 No Raster (Sound OK) No Raster (Sound Ok) Check that CRT Heater is Lighting Yes No Check Heater plus Abnormal Normal Abnormal Check H.V of CRT Check/Replace FBT Check/Replace CRT Drive Circuit Check/Replace FBT Abnormal Normal Check/Replace IC201 Check I2C Data Normal Check CRT Drive Circuit 4-2 Samsung Electronics
Service Manual
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4-3 No Vert Scan (Horizontal Line) Troubleshooting Power OFF (after 10 ~ 15 seconds) In the Factory Mode, select " V-sync Not Used" (See " Option Byte Table 3-2") Normal Normal Check/Replace IC301 Check IC301 Pin 2 , 4 Abnormal Check IC201 Pin 46 , 47 Abnormal Check/Replace IC201 Check D812 (D811) Abnormal Check T444 Pin 6 , 8 , R410, R409 Abnormal Check/Replace FBT Samsung Electronics 4-3
4-3 No Vert Scan (Horizontal Line) Troubleshooting Power OFF (after 10 ~ 15 seconds) In the Factory Mode, select " V-sync Not Used" (See " Option Byte Table 3-2") Normal Normal Check/Replace IC301 Check IC301 Pin 2 , 4 Abnormal Check IC201 Pin 46 , 47 Abnormal Check/Replace IC201 Check D812 (D811) Abnormal Check T444 Pin 6 , 8 , R410, R409 Abnormal Check/Replace FBT Samsung Electronics 4-3
Service Manual
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Troubleshooting 4-4 No Sound No Sound Normal Check IC603 Pin 1 , 2 , 14 , 15 Abnormal Check Speaker Abnormal Check ICD01 Pin 11 Abnormal Check ICD01 Pin 3 , 4 , 16 Abnormal Check IC603 Pin 12 Normal Check IC701 Pin 6 , 9 Check ICD01 Pin 1 , 2 Normal Check/Replace IC701 Normal Check/Replace IC701 Pin 19 , 20 Check/Replace IC603 Check/Replace ICD01 4-4 Samsung Electronics
Troubleshooting 4-4 No Sound No Sound Normal Check IC603 Pin 1 , 2 , 14 , 15 Abnormal Check Speaker Abnormal Check ICD01 Pin 11 Abnormal Check ICD01 Pin 3 , 4 , 16 Abnormal Check IC603 Pin 12 Normal Check IC701 Pin 6 , 9 Check ICD01 Pin 1 , 2 Normal Check/Replace IC701 Normal Check/Replace IC701 Pin 19 , 20 Check/Replace IC603 Check/Replace ICD01 4-4 Samsung Electronics
Service Manual
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Yes Check ICP01 Normal Abnormal Check IC901 8 , 16 It's not normal signal Check B+ (5V), Replace ICH01 Check QL01, QL02 XL01, XL02 and X202 Normal Check/Replace IC201 Abnormal Check/Replace that part Troubleshooting Samsung Electronics 4-5 4-5 No Color No Color Push "Display" Button on the Remocon OSD " PAL-M" or No "PAL-N" or " NTSC" appear?
Yes Check ICP01 Normal Abnormal Check IC901 8 , 16 It's not normal signal Check B+ (5V), Replace ICH01 Check QL01, QL02 XL01, XL02 and X202 Normal Check/Replace IC201 Abnormal Check/Replace that part Troubleshooting Samsung Electronics 4-5 4-5 No Color No Color Push "Display" Button on the Remocon OSD " PAL-M" or No "PAL-N" or " NTSC" appear?