Service Manual
Page 1
Reference Information 3. Alignment and Adjustments 5. Troubleshooting 6. Wiring Diagram 10. Schematic Diagrams Precautions 2. Specifications 4. Block Diagrams 9. Electrical Parts List 8. Exploded Views and Parts List 7. COLOR TELEVISION RECEIVER Chassis : KS3A(N) Model : SAM27405C/XAA TXK3276C/XAA TXK3676C/XAA TXK3679C/XAA SAM25405C/XAA TXK3276C/XAC TXK3676C/XAC TXK3679C/XAC COLOR TELEVISION RECEIVER CONTENTS 1.
Reference Information 3. Alignment and Adjustments 5. Troubleshooting 6. Wiring Diagram 10. Schematic Diagrams Precautions 2. Specifications 4. Block Diagrams 9. Electrical Parts List 8. Exploded Views and Parts List 7. COLOR TELEVISION RECEIVER Chassis : KS3A(N) Model : SAM27405C/XAA TXK3276C/XAA TXK3676C/XAA TXK3679C/XAA SAM25405C/XAA TXK3276C/XAC TXK3676C/XAC TXK3679C/XAC COLOR TELEVISION RECEIVER CONTENTS 1.
Service Manual
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Troubleshooting 5-1 No Power Samsung Electronics Plug in Power Cord Abnormal ON Check MICOM IIC #5, #6 Normal Check LED lamp Check Level Shifter Q909, Q910 Output(If 2N7000 Output has the ... IC804 Input Voltage Abnormal Check R828 and D805 Normal Normal Check and Replace IC804 Check and Replace R828 or D805 Abnormal Check IC801S and FP801S Troubleshooting Note : When you check whether any component is normal, you must let the output pin be open in order not to be affected by the...
Troubleshooting 5-1 No Power Samsung Electronics Plug in Power Cord Abnormal ON Check MICOM IIC #5, #6 Normal Check LED lamp Check Level Shifter Q909, Q910 Output(If 2N7000 Output has the ... IC804 Input Voltage Abnormal Check R828 and D805 Normal Normal Check and Replace IC804 Check and Replace R828 or D805 Abnormal Check IC801S and FP801S Troubleshooting Note : When you check whether any component is normal, you must let the output pin be open in order not to be affected by the...
Service Manual
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Samsung Electronics Normal No Picture, but sound is in normal operation Turn the VR of FBT, higher screen voltage and Check the Deflection is in Normal ... Check Tuner CVBS Output Normal Check IC201S #31 Check 8V Normal Check IC301 Abnormal Check IC803 Abnormal Check DZ202 Normal Replace IC201S Abnormal Replace DZ202 Troubleshooting 5-2 No Picture 5-2
Samsung Electronics Normal No Picture, but sound is in normal operation Turn the VR of FBT, higher screen voltage and Check the Deflection is in Normal ... Check Tuner CVBS Output Normal Check IC201S #31 Check 8V Normal Check IC301 Abnormal Check IC803 Abnormal Check DZ202 Normal Replace IC201S Abnormal Replace DZ202 Troubleshooting 5-2 No Picture 5-2
Service Manual
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5-3 No Sound Normal Check the Speaker Wire Connection Troubleshooting No Sound, but Picture is in normal operation Check the CN602 Connection and Signal Abnormal Normal Check 14V Line Abnormal Check IC602 #7 (If the pin is in low state, Sound is mute) Normal Abnormal Check D816, Q906 Check IC601 #24, #25 Abnormal Normal Check IC601 Input Voltages (5V,8V) Normal Replace IC602 Abnormal Check the coils around IC601 Check IC601 Input Signal Abnormal Normal Replace IC601 Check the Tuner Check FA803S Samsung Electronics 5-3
5-3 No Sound Normal Check the Speaker Wire Connection Troubleshooting No Sound, but Picture is in normal operation Check the CN602 Connection and Signal Abnormal Normal Check 14V Line Abnormal Check IC602 #7 (If the pin is in low state, Sound is mute) Normal Abnormal Check D816, Q906 Check IC601 #24, #25 Abnormal Normal Check IC601 Input Voltages (5V,8V) Normal Replace IC602 Abnormal Check the coils around IC601 Check IC601 Input Signal Abnormal Normal Replace IC601 Check the Tuner Check FA803S Samsung Electronics 5-3