To Next PageTo Next PageWhat to do if there is no picture on my Daewoo LCD TV in external input mode?
If there is no picture on your Daewoo LCD TV when using an external input, take the following steps: Ensure the jack is correctly connected, confirm the input selection is set to the correct mode, check the main PCB and sub-JACK PCB, confirm the AC connection, confirm the Power SW is ON, and check the power, inverter, and panel.
What to do if my Daewoo DLP-20D7 remote controller does not operate?
If the remote controller for your Daewoo LCD TV isn't working, check the I501, check the battery of the remote controller, and consider exchanging the Key PCB.
Why my Daewoo DLP-20D7 LCD TV doesn't turn on but red LED is on?
If your Daewoo LCD TV doesn't turn on, but the red LED is lit, check the power connection, exchange the Power module, check the connection to the IR PCB, confirm the Power S/W is ON, and check the operation of the Remote Controller.
What to do if there is no picture on my Daewoo DLP-20D7 LCD TV in TV mode?
If your Daewoo LCD TV shows no picture in TV mode, confirm the Power SW is ON. Also, check the power, inverter, and panel. You may also need to check I504, I501, and I402.
How to fix no sound in external input mode on Daewoo LCD TV?
To resolve the issue of no sound in external input mode on your Daewoo LCD TV, check the sound jack and speaker connections to ensure they are correctly connected. If the issue persists, try exchanging the speaker or speaker cable.
What to do if Daewoo DLP-20D7 LCD TV key does not operate?
If the key on your Daewoo LCD TV does not operate, check the key cable and I501. If that doesn't resolve the issue, consider exchanging the Key PCB.
What to do if Daewoo DLP-20D7 LCD TV shows a white screen?
If your Daewoo LCD TV displays a white screen, check the connection of the panel and check the Main PCB.
How to fix Daewoo LCD TV when LED doesn’t light?
If the LED on your Daewoo LCD TV doesn't light up, confirm the power cord connection, confirm the Power S/W is ON, check the power connection, exchange the power module, and check the Main PCB.
General| Screen Size | 20 inches |
|---|---|
| Display Technology | LCD |
| Aspect Ratio | 4:3 |
| Response Time | 16 ms |
| Viewing Angle | 160° (horizontal) |
| Input Ports | Composite, S-Video, Component, VGA |
Flowchart for diagnosing issues when the LED indicator does not illuminate.
Flowchart for diagnosing why the TV fails to power on, indicated by a red LED.
Flowchart for diagnosing the cause of a white screen display issue.
Flowchart for diagnosing 'no picture' issues when using TV mode.
Flowchart for diagnosing 'no picture' issues in external input modes.
Flowchart for diagnosing 'no sound' issues in external input modes.
Flowchart for diagnosing issues with non-functional control keys.
Flowchart for diagnosing issues with the remote controller.
Flowchart for diagnosing backlight failure issues with the inverter.
Procedure to press the Flash button to start the automatic software upgrade.
Includes disconnecting cable, power cycling, checking/resetting W/B parameters.
