
Troubleshooting
Samsung Electronics
5-3
5-3 No Picture (Sound OK)
1
Check the Brightness, Contrast and Color adjustments
2. Check: AV Picture, Video Playback
3. See Video Block Diagram
5-4 No Sound (Picture OK)
1. Check the Volume adjustment level.
2. Check AV Video, Sound Playback
3. See Audio Block Diagram
5-5 RF Weak Signal (Playback, AV Mode OK)
1. Check Tuner (TU01S) B+. Check : 9V, 33V, 5V (CN802A)
5-6 Recording Defect
1. CN802A Check : Retouch
2. 2nd Tuner (TU02S) B+. Check : 33V(LT02)
5V (JTV501)
3. 2nd If : Check 5V (ICT01), Video out, Audio out
4. Video Defect : IC701 Check
5. Audio Defect : IC701 Check
6. Standby Recording Defect, ICM601 #42 Line:
7. VPS (PDC) Recording Defect: Check ICP01, #5, #27, #24, #2
Summary of Contents for TI21B4DF4X
Page 98: ...Block Diagrams 8 2 Samsung Electronics 8 2 C17A PCB Layout ...
Page 99: ...9 Wiring Diagram 9 1 C17A Wiring Diagram Wiring Diagram Samsung Electronics 9 1 ...
Page 101: ...Schematic Diagrams 10 2 Samsung Electronics 10 2 MAIN2 VOC TUNER BOX ...
Page 103: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 MAIN4 SWITCHING BLOCK ...
Page 104: ...Schematic Diagrams 10 5 Samsung Electronics 10 5 MAIN5 OPTION PAL HIFI BLOCK ...
Page 105: ...Schematic Diagrams 10 6 Samsung Electronics 10 6 MAIN6 OPTION VCR SECAM BLOCK ...
Page 106: ...Schematic Diagrams 10 7 Samsung Electronics 10 7 POWER FBT ...
Page 107: ...Schematic Diagrams 10 8 Samsung Electronics 10 8 CRT ...
Page 108: ...Schematic Diagrams 10 9 Samsung Electronics 10 9 FRONT A V MASTER SW FRONT A V MASTER SW ...