Troubleshooting
6-6
Samsung Electronics
6-2-5 No Video
Symptom
- A normal/cable network analog broadcast screen is blank or abnormal but OSD is OK.
Major Checklist
- Check the antenna connection settings (Antenna 1 - Normal/Cable/DTV, Antenna 2 - Only for DTV)
- Check the tuner output signal (CVBS).
- Check the power input of the Main board.
Troubleshooting
Procedures
Check CN101 pin2 for +33V
Configure properly
Replace the Main SMPS
Replace the Main Board
Is the antenna connection setting
properly configured?
Содержание PL42E7SX/RCL
Страница 18: ...11 8 Samsung Electronics MEMO ...
Страница 43: ...Circuit Description Samsung Electronics 13 15 Scan_l Even_Scan Y Sustain ...
Страница 44: ...Circuit Description 13 16 Samsung Electronics Attachment 2 X Output Waveform X Sustain ...
Страница 52: ...9 8 Samsung Electronics MEMO ...
Страница 81: ...3 18 Samsung Electronics MEMO ...
Страница 96: ...6 14 Samsung Electronics MEMO ...
Страница 98: ...Samsung Electronics 5 2 MEMO ...