Samsung 193P - SyncMaster - 19" LCD Monitor Manuale di servizio - Pagina 19
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- 1. Table of Contents
- 2. Service Manual
- 3. Precautions
- 3. Safety Precautions
- 3. Servicing Precautions
- 4. Product Specifications
- 4. Pin Assignments
- 4. Timing Chart
- 5. Disassembly and Reassembly
- 6. Alignment & Adjustments
- 7. Troubleshooting
- 8. Exploded View & Parts List
- 9. Electrical Parts List
- 10. Block Diagram
- 11. Wiring Diagram
- 12. Schematic Diagrams
5 Troubleshooting
5-2 No Video
Power indicator is green.
Does DC 5V appear at
Pin 1, 2 and 3 of CN401?
Yes
Does the pulse
appear at Pin 74
3 4
and 75 of IC401?
Yes
Replace LCD panel.
5-2
No
Replace IC205 or
check it's related circuit.
No
Does the pulse appear at
5
6
Pin 126 and 127 of IC401?
Yes
Does the pulse
1
appear at Pin 122 of IC401?
Yes
Replace IC401.
Replace X401 or
check it's related circuit.
No
Does the pulse appear
7 8
at Pin 6 and 8 of IC101?
Yes
Check IC301 and
No
check it's related circuit.
Check IC101 or
check CN101 and
check it's related circuit.
No
DI19PS