VD20P No Signal Troubleshooting & Connection Guide

If your VD20P shows “No Signal or No Signal Detected”, it means the recorder is not receiving a valid video signal from the source device. This is usually caused by an incorrect output port, wrong cable type, incompatible adapter, or the source device not outputting AV/S-Video video.

Important: The VD20P records incoming AV (CVBS) or S-Video signals. It does not play VHS tapes, DVDs, or camcorder tapes by itself. A separate playback device is required.

Check the Input Mode on the VD20P

When using an AV/composite video connection, “CVBS” should appear in the top-right corner of the VD20P screen. When using S-Video, “S-Video” should appear instead.

Press the Input Selection Button to switch between input modes.

vd20p input mode display example

For VCR / VHS Player with AV Output

Use the rear AV/RCA OUT ports

Many VCRs have both input and output ports. The vd20p must be connected to the VCR’s AV/RCA OUT ports.

  • Use: Rear AV/RCA OUT ports on the VCR.
  • Do not use: Front AV/RCA input ports.
  • Do not use: AV/RCA IN ports on the back of the VCR.
Correct VCR AV output connection
Tip: If possible, connect the VCR directly to a TV using the same AV cable. If the TV also shows no picture, the issue is likely related to the VCR, tape, or cable.

For VCR with SCART output

If your VCR uses SCART output, you need a SCART-to-AV output adapter. Some SCART adapters are input-only and will not work.

  • Use a SCART-to-AV adapter with an INPUT/OUTPUT switch, and make sure it is set to OUTPUT.
  • Use the SCART port labeled AV1, TV, or Output.
  • Do not use AV2 or Decoder ports.
SCART to AV output adapter connection

For Camcorder with AV Cable or 3.5mm to AV Connecting Cable

Camcorders may output video through AV (CVBS), S-Video, or a model-specific AV multi-output port. The correct cable depends on the camcorder model.

Supported connection methods

  • CVBS (AV) + Red/White audio
  • S-Video + Red/White audio
  • S-Video only: video only, no audio
Camcorder AV and S-Video connection
Camcorder cable note: Standard 3.5mm-to-3 RCA AV cables may not work with all camcorders because different brands use different AV pinouts. Use the original camcorder AV cable or a model-compatible replacement.

For Camcorder wtih Multi AV Output

Some MiniDV or Handycam models use an AV Multi Output port instead of standard RCA ports. In this case, use the original AV cable supplied with the camcorder.

If the original cable is missing, search for a cable that matches your exact camcorder model, such as: “AV cable S-Video Handycam DCR”.

Camcorder AV multi output cable
Note: The HDMI port on the VD20P is designed solely for video output to a TV and cannot be used as a video input. When connected to a TV, the built-in screen turns off and the built-in speakers are muted. Both are restored automatically when the HDMI cable is disconnected. This model does not support Component (YPbPr) input.

Need More Help?

If you have any other questions about using your VD20P, please contact PORTTA Technical Support for assistance.

When contacting support, please include your source device model, connection method, and photos or videos of the setup if available.