4-4
4. Troubleshooting
4-3. When the screen is blank (Analog)
Symptom
Though the LED power turns on, the screen is blank when connecting the VGA cable.
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Major
checkpoints
Even though the LED power turns on, the screen is blank when connecting the VGA cable.
Check the D-sub cable connections.
Check whether the LVDS cable is connected correctly to the panel.
Check whether the lamp connector of the panel is connected correctly to the IP board.
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CN100
Is X200 oscillating correctly?
waveforms appear at pins 32, 33 of
Do output signals appear at pins 8 to
There are DC 5V at Pin 1, 2 and 3 of
CN100?
Yes
Replace LCD Panel.
and the BL_EN signa
Caution
Make sure to disconnect the power before working on the IP board.
Содержание SyncMaster 2263UW
Страница 7: ...1 4 1 Precautions Memo h t t p w w w w j e l n e t ...
Страница 11: ...2 4 2 Product specifications Memo h t t p w w w w j e l n e t ...
Страница 15: ...3 4 3 Disassembly and Assembly Memo h t t p w w w w j e l n e t ...
Страница 18: ...4 3 4 Troubleshooting 4 2 1 Circuit diagrams when the power does not turn on h t t p w w w w j e l n e t ...
Страница 21: ...4 6 4 Troubleshooting 4 3 2 Waveforms when no screen is displayed Analog h t t p w w w w j e l n e t ...
Страница 24: ...4 9 4 Troubleshooting 4 4 2 Waveforms when a blank screen is displayed Digital h t t p w w w w j e l n e t ...
Страница 49: ...5 16 5 Exploded View Part List Memo h t t p w w w w j e l n e t ...
Страница 53: ...6 4 6 Wiring Diagram Memo h t t p w w w w j e l n e t ...
Страница 55: ...7 2 7 Schematic Diagram 7 2 Schematic Diagrams Power Flowchart h t t p w w w w j e l n e t ...
Страница 61: ...7 8 7 Schematic Diagrams Memo h t t p w w w w j e l n e t ...