Audio None on CM-7000PAL

Sym_AudioNnLow.jpg

Error Code:
NA

Symptoms:
Audio None

Causes:
Low or No audio can be from a low volume or mute setting in the receiver, TV or amplifier. If no Audio is on the local DMA stations, TNT, TBS, Lifetime, USA, and Nickelodeon (East feed) only, it could be caused by the transmission of Secondary Audio and/or Descriptive Video. The Alternate Audio Option in the menu may not be set to English. The event or show does not contain Spanish Language or Descriptive Video. A disconnected audio cable or an individual channel outage may also be the issue.

Prevention:
Audio loss issues can be prevented by ensuring the volume is turned up, the equipment is not muted, the Alternate Audio Option is set correctly, and all audio cables are connected.

Troubleshooting:

1. Was there a significant change to the installation?
Yes

Use the wiring diagram located under Install to reconnect the receiver properly.

No

2. Is this a DVR event?
Yes
No

3. Press the Skip Back button on the remote

Is the problem fixed?
Yes

You have completed the troubleshooting.

Troubleshoot for DVR Recordings Corrupted.

4. Is the issue on one channel or all channels?
One Channel

Digital off-air TV broadcasting service may be experiencing a provider related issue. This is beyond the control of Channel Master.

All Channel

5. Are the CM-7000PAL DVR, TV and any home theater equipment plugged in and powered on?
How To?

Power sources connected to a wall switch or switchable surge protector need to be turned on.
No

Plug in and power on all equipment.
Yes

6. Verify the volume on the TV is not turned down or on mute. Also, verify the TV is on the correct input or channel. Check channels 3, 4 and available inputs.

7. Unplug the CM-7000PAL DVR from the AC electrical outlet, plug the CM-7000PAL DVR back in and power it on.

8. Is there a stereo system connected?
No
Yes

9. Cycle through the different inputs on the stereo. Reference the user manual if necessary. Is the problem fixed?
Yes

You have completed the troubleshooting.

No

10. Is there a VCR or VCR/DVD combo unit connected between the receiver and the TV?
Yes
No

11. Insert and play a VHS tape or DVD with video. Is the problem fixed?
Yes
No

12. Check connections. If good, replace the cable between the receiver and VCR or DVD player. Is the problem fixed?
Yes

You have completed the troubleshooting.

No

13. If the problem persists please contact us or a local independent retailer for additional assistance.

14. Check connections. If good, bypass the VCR or DVD player using the cable from the receiver to the VCR or DVD player. Is the problem fixed?
Yes

You have completed the troubleshooting.
No

The problem may be with the TV. Reference the user manual.

15. How is the CM-7000PAL DVR connected to the TV?
Coax
RCA

16. Verify the coax cable is connected hand tight from the CM-7000PAL DVR TV Set Out coax output to the TV ANT or RF input. If the television has multiple TV ANT or RF inputs verify that you are on the proper one, for example ANT A or ANT B. Unplug then reinsert the cable.

17. Verify good cable connections between the CM-7000PAL DVR and the TV. If the connections are good, replace the cable.

18. If the problem persists please contact us or a local independent retailer for additional assistance.

19. Verify the red and white RCA cables are connected from the CM-7000PAL DVR AUDIO output to the TV AUDIO input. Unplug then reinsert the cable.

20. Verify good cable connections between the CM-7000PAL DVR and the TV. If the connections are good, replace the cable.

21. If the problem persists please contact us or a local independent retailer for additional assistance.

22. Is there a VCR or VCR/DVD combo unit connected between the receiver and the TV?
Yes
No

23. Insert and play a VHS tape or DVD with video. Is the problem fixed?
Yes
No

24. Check connections. If good, replace the cable between the receiver and VCR or DVD player. Is the problem fixed?
Yes

You have completed the troubleshooting.
No

25. If the problem persists please contact us or a local independent retailer for additional assistance.

26. Check connections. If good, bypass the VCR or DVD player using the cable from the receiver to the VCR or DVD player. Is the problem fixed?
Yes

You have completed the troubleshooting.
No

The problem may be with the TV. Reference the user manual.

27. How is the CM-7000PAL DVR connected to the TV?
Coax
RCA

28. Verify the coax cable is connected hand tight from the CM-7000PAL DVR TV Set Out coax output to the TV ANT or RF input. If the television has multiple TV ANT or RF inputs verify that you are on the proper one, for example ANT A or ANT B. Unplug then reinsert the cable.

29. Verify good cable connections between the CM-7000PAL DVR and the TV. If the connections are good, replace the cable.

30. If the problem persists please contact us or a local independent retailer for additional assistance.

31. Verify the red and white RCA cables are connected from the CM-7000PAL DVR AUDIO output to the TV AUDIO input. Unplug then reinsert the cable.

32. Verify good cable connections between the CM-7000PAL DVR and the TV. If the connections are good, replace the cable.

33. If the problem persists please contact us or a local independent retailer for additional assistance.

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