CONFIDENTIAL
5 Troubleshooting
5-2
LTM295W/LTM405W
5-2 No Video (CVBS, S-Video)
Power indicator is green
Does the signal appear at
Pin 5, 9, 11 and 36 of IC1?
Check IC1.
Yes
No
Does the clock pulse appear at
Pin 6, 13 and Pin 69, 70 of IC302?
Check IC302 and related circuit.
Yes
No
Does the colck pluse
appear at R812, R813 and
H/V Sync pulse of IC801?
Check related circuit of IC801.
Yes
No
Replace LCD Panel.
Summary of Contents for SyncMaster 400T
Page 11: ...Memo 2 Product Specifications 2 8 LTM295W LTM405W CONFIDENTIAL ...
Page 15: ...Memo 4 Alignments and Adjustments 4 2 LTM295W LTM405W CONFIDENTIAL ...
Page 21: ...Memo 5 Troubleshooting 5 6 LTM295W LTM405W CONFIDENTIAL ...
Page 22: ...CONFIDENTIAL LTM295W LTM405W 6 1 6 Exploded View and Parts List 6 1 LTM295W ...
Page 23: ...6 2 LTM405W 6 Exploded View Parts List 6 2 LTM295W LTM405W CONFIDENTIAL ...
Page 66: ...CONFIDENTIAL Memo 8 Block Diagrams 8 2 LTM295W LTM405W ...
Page 68: ...9 Schematic Diagrams 9 2 LTM295W LTM405W CONFIDENTIAL Memo ...
Page 71: ...10 Schematic Diagrams CONFIDENTIAL 1 IC103 20 CH1 RMS 540V LTM295W LTM405W 10 3 ...
Page 75: ...LTM295W LTM405W 10 7 10 Schematic Diagrams CONFIDENTIAL 6 IC603 613 CH1 RMS 3 96V ...
Page 77: ...LTM295W LTM405W 10 9 10 Schematic Diagrams CONFIDENTIAL 7 IC801 R815 CH1 RMS 3 96V ...
Page 83: ...LTM295W LTM405W 10 15 10 Schematic Diagrams CONFIDENTIAL 10 IC503 28 11 IC503 67 ...
Page 85: ...LTM295W LTM405W 10 17 10 Schematic Diagrams CONFIDENTIAL 12 CN1 1 ...
Page 87: ...LTM295W LTM405W 10 19 10 Schematic Diagrams CONFIDENTIAL 13 IC905 2 CH1 RMS 14 1V ...