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SERVICE
COLOR TELEVISION
Refer to the service manual in the GSPN (see the rear cover) for the more information.
COLOR TELEVISION
Chassis : KSCB(N)_CB5H
Model : CL21B501HLMXZS
CL21B501HL
Manual
CONTENTS
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. Wiring Diagram
7. Schematic Diagram
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Summary of Contents for Samsung CL21B501HL
- Page 1 1. Precaution 2. Product Specification 3. Disassembly & Reassembly 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram 7. Schematic Diagram CL21B501HL Refer to the service manual in the GSPN (see the rear cover) for the more information.
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Page 2: Troubleshooting Procedures By Ass'y
Is the power cord or the master switch out of order? Check the others part Check the FUSE “FP801S” Check the “D801S” #1 Check the IC801S #1 W6753F Change “FP801S” Change “D801S” Change “IC801S” Complete F801A D809C BRIDGE DIODE FD801S SMPS-TR SOUND IC Samsung Electronics... - Page 3 Troubleshooting 2. No Sound - when the power is normal No sound (1st power OK) Check the +14V line Check IC201 Pin#39.40 Check D809C Check FD801S Change IC601 Change FD801S Change D809C Complete D809C FD801S MICOM SMD IC SOUND IC Samsung Electronics...
- Page 4 3. No Picture - when the power is normall No picture (1st power OK) Check the +125V line Check the others B+ line “D811” T444 B+ Pin #3 Check D407 CHECK CRT ASS`Y open and check Open and check Change the “D811” Check the “Q401” Change D407 Change the “Q401” Complete MAIN TRANS D811 D407 OUTPUT TR Q401 Samsung Electronics...
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Page 5: Troubleshooting By Blocks
Troubleshooting 4-1-4 Troubleshooting by Blocks 1. Tuner Diagnosis If there is no signal measured even though the RF signal received by the external antenna is input to the Main Board Tuner. - Supplied Power: 5V, 8V, 33V - RF Trouble Check: Check CVBS output - AUDIO Trouble Check: Check SiF Signal output B+5V B+33V 4-10 Samsung Electronics... - Page 6 If the signal input change “and output are” to “is” not detected, check the following. - Supplied Power: UOC TOP IC(5V, 3.3V, 8V) - Input Problem Check: Check the connecting jacks. VIDEO IN AUDIO IN VIDEO IN AUDIO IN Samsung Electronics 4-11...
- Page 7 Troubleshooting 3. TDA11136H/N3 Diagnosis IF+MICOM+VIDEO 4-12 Samsung Electronics...
- Page 8 Troubleshooting 4. LA42032 Diagnosis - Supplied Power: 11V - Input Problem Check: L/R - Output Problem Check: L+, L-, R+, R Samsung Electronics 4-13...