CONFIDENTIAL
LTM295W/LTM405W
5-1
5 Troubleshooting
29”:Does proper DC 28 V appear
at DC jack connected to CN28?
40”:Does proper DC 28 V appear
at DC jack connected to CN29?
Check SMPS PCB and Adapter.
Yes
No
Does proper DC 5 V appear at
Pin 17 of CN201?
Check CN201 and related circuit.
Check IC963, IC906 and IC905.
Yes
No
Does proper DC 3.3 V
appear at Pin 2 of IC953,
IC954, IC956 and IC957?
Check IC953, IC954, IC956 and IC957.
Yes
No
Does proper DC 2.5 V appear at
Pin 2 of IC961 and IC964?
Check IC961 and IC964.
Yes
No
Does proper DC 5 V appear at
Pin 2 of IC952, IC955 and IC 958?
Check IC952, IC955 and IC 958.
Yes
No
5-1 No Power
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 ...