Question about Dynex DX-LCD37 TV

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Have audio through all inputs except cable

Over the air antenna there is no audio. Using other component inputs have audio. Switch antenna to other tv works fine. Sometime the sound will pop on - other wise no sound or very faint sound.

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  • Anonymous Mar 31, 2014

    On cable air input no sound no colour

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The solution recommended will take a considerable amount of time. We will get around to it over this weekend or next weekend. It's not so bad doing without the background noise of the TV for a while.

Thank you for your recommendation to repair and detailed explaination of the procedure.

gcdavdenver

Posted on Jun 07, 2009

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Sound like you may have cold solder joints in the antenna connector. This may be a simple fix of repairing the connection points. If the television is still under warranty you will want to let the service center fix it.You can reach the Dynex customer service at this telephone number.1-800-305-2204 between the hours of 7am-12am CST. Give them the model number of your television and the problem you are having with intermittent sound from the antenna hook-up. If not under warranty, you will have to either do it yourself or have someone do it for you. You will have to remove the back panel and repair the bad solder joints. This will require a bit of technical know how. You will have to have a set of screw drivers, plastic pry bar and a soldering iron. You will have to remove all the case screws and then use the plastic pry bar to unlock the plastic case locks. You can unlock these locks by using the pry bar. Pushing it in the case and sliding it along the sides to open the locks. This must be done carefully or you will break the locks and the case will lock to- gether correctly. Then you will have to find the input circuit that the antenna connects to and rework all the solder joints. Add new solder to joints to make the joints strong again. Then test the unit and see if the sound comes back.If not you will have to look over the other parts of the circuit and see if you can find any other faulty joints and repair them. remember to never work on the television with the power on. You must be very careful working on the board. Do not touch any capacitors or other components. You may get a shock or give them a static electric shock and ruin the component. Try to wear anti-static wrist bands and gloves. This should be a simple repair for a experience electronic technician. If this does not fix the problem then you may have a more serious problem with the audio pickup circuits. That will require a service center to test and repair. I hope this information helps you with your problem.

Posted on Jun 06, 2009

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User Manual


Why did you disconnect the chat session?

Anyways here are the detailed instructions for connecting a DVD recorder to a TV

  1. The first step to connecting a DVD Recorder to your TV is to determine what type of connection you want to make between the TV source (Cable, Satellite, Antenna), the DVD Recorder and the TV. This is usually determined by the outputs and inputs available on the DVD Recorder and the TV.
  2. If you have an older TV that only accepts RF (Coaxial) input, then you would connect the RF output (a coaxial cable) from your TV source (in my case a Cable Box) to the RF input on the DVD Recorder. Then connect the RF output from the DVD Recorder to the RF input on the TV. This is the most basic (and lowest quality) option for connecting a DVD Recorder to any TV.
  3. If you want to use higher quality cables, then you may want to connect the TV Source (Cable and Satellite only, not Antenna) to the DVD Recorder using Composite, S-Video or Component video and audio cables.
  4. To use composite cables (also known as RCA, the yellow plug is video, the red and white plugs, audio): Plug in the composite cables to the RCA outputs on the back of your TV source and then plug in the composite cables to the RCA inputs of the DVD Recorder. Then connect the RCA outputs from the DVD Recorder to RCA inputs on the TV.
  5. To use S-Video and RCA audio cables: Plug in the S-Video cable to the S-Video output of the TV source. Plug in the S-Video cable to the S-Video input on the DVD Recorder. Next, connect the RCA audio cable to the output on the TV source and the input on the DVD Recorder. Finally, connect the S-Video cable and the RCA audio cable to the output on the DVD Recorder and the input on the TV.
  6. To use Component Video cables and RCA audio cables: Connect the Component Video cable and the red and white RCA audio cables to the outputs on the TV source and the inputs on the DVD Recorder. Next, connect the Component Video cable and RCA audio cable to the outputs on the DVD Recorder and the inputs on the TV.
  7. Now that the TV source (either Cable, Satellite or Antenna), the DVD Recorder and the TV are all connected, you need to configure everything to make sure that TV is coming through the DVD Recorder, for recording and viewing.
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  9. If you connected everything using the RF connections then the TV should be passing through the DVD Recorder and displaying Television on the TV screen. To record in this mode, you would need to tune to either channel 3 or 4 on the TV and then use the DVD Recorder TV Tuner to change channels and record.
  10. If you made connections using either Composite, S-Video or Component cables, then to view or record TV, two adjustments need to be made. First, the DVD Recorder needs to be tuned to the appropriate input, typically L1 or L3 for rear inputs and L2 for front inputs. Second, the TV also must be tuned to the proper input, on a TV usually Video 1 or Video 2.
  11. If you have a Dolby Digital 5.1 Surround Sound A/V Receiver you can connect either a Digital Optical Audio cable or Coaxial Digital Audio cable from the DVD Recorder to the receiver to listen to audio through the receiver.

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