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PC CD Drive Modification Into Vehicle

By on January 13, 2015

 

 

 

 

 

 

 

 

 

A friend of mine came to me because he wanted to adapt an ASUS CD Drive Model No.: CD-S520/A in the Audio System of his vehicle.

 pc drive

He selected this unit for the following features:

 pc drive1

First thing done was to get a LM7805 (3-Terminal 1A Positive Voltage Regulator) and below is the schematic:

pc drive2

Why need to get a +5 volts Voltage regulator  IC LM7805? Because this PC CD Drive need 5 volt and 12 volt to function. The vehicle only supply +12 volts.

Obviously the job began, look at the photos below.

 pc drive3

pc drive4

 pc drive5

 pc drive6

As you can see, the Electrical Diagram was ready now. Next step would be to test the input of +12 volts and the +5 volts provided by the LM7805.

pc drive 7

So far everything was really fine, so the CD unit was assembled and connected in his car to the audio-in of his old Stereo Cassette Player and music was heard as a clarion. He can drives his vehicle now hearing his Audio CDs, and he’s very happy now.

Note: this system only play back Audio CDs (audio tracks).

humberto

 

 

 

 

 

 

 

 

 

 

 

This article was prepared for you by Humberto Rodriguez, one of our ‘Master Authors’ from Cuba.

 

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18 Comments

  1. Richard

    January 13, 2015 at 6:32 pm

    The vehicle does not supply a constant 12.16 volts it varies from 11 - 14 volts and has surges, spikes and noise on the supply line.
    It would be better to at least filter the nominal 12 volt supply and incorporate over voltage protection as spikes of several hundred volts can appear on the supply line during engine startup.
    Also a computer CD drive does not have the shock resistant mounting and vibration compensation of a mobile player, so the performance on bumpy roads is questionable.

    Likes(3)Dislikes(0)
  2. Dominic

    January 13, 2015 at 7:48 pm

    That is a very cool idea.Here in Australia CD Tuners are very cheap & often car users do away with the Stereo Cassette completely.There is a problem though if the car owner wants to keep the Cassette Player & add a CD player as well. You've shown that can be cheaply & easily done as long as there is space in the dashboard.Most car charging systems make 14VDC when car is running, however & 12VDC with engine stopped although this probably would not affect disc speed & music quality too much.

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    • Humberto

      January 14, 2015 at 8:42 pm

      UR right, but music quality is good all the time

      Likes(0)Dislikes(0)
  3. Robert

    January 13, 2015 at 9:26 pm

    Good job trying to help your friend save some money Humberto, but I don't think the unit will work very well in an automobile. It would be ok if it had an input for an MP3 player, etc. What is the oversampling for that unit?

    Likes(0)Dislikes(0)
    • Humberto

      January 15, 2015 at 11:16 pm

      Hi Robert. I do not understad what you say: oversampling. Could you help me with this to reply your question? Have a good day.

      Likes(0)Dislikes(0)
      • Robert Calk

        January 16, 2015 at 8:46 am

        Automobile CD players have higher oversampling for the anti-skip feature which keeps the CD from being interrupted when hitting bumps in the road.

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        • Humberto

          January 20, 2015 at 10:40 pm

          Hi Robert, I suppose this unit has no oversampling, but I confess you I had one for some years and it did not suffered the oversampling defect.

          Likes(0)Dislikes(0)
  4. Yogesh Panchal

    January 13, 2015 at 10:30 pm

    Good experiment!!

    Likes(0)Dislikes(0)
    • Humberto

      January 14, 2015 at 8:58 pm

      Thanks Yogesh Panchal

      Likes(0)Dislikes(0)
  5. Merlin Marquardt

    January 13, 2015 at 10:51 pm

    Nice modification.

    Likes(0)Dislikes(1)
  6. Mahmoud

    January 13, 2015 at 11:01 pm

    God job But there is a defect with the lens get dirty every short period of time

    Likes(0)Dislikes(0)
    • Humberto

      January 15, 2015 at 10:45 pm

      Well Mahmoud, I really confess you I had one PC CD Driver in my car for several years, of course it was very well attached in the dashboard, and the lenses never got dirty. These units are very used in my country in the vehicles, because of the the Car Stereo Systems are very expensive.

      Likes(0)Dislikes(0)
      • Robert Calk

        January 16, 2015 at 8:40 pm

        Hi Humberto,

        Hopefully stuff will be less expensive for you guys since the USA politicians seem to be loosening up on the embargo of Cuba.

        Likes(1)Dislikes(0)
  7. Waleed Rishmawi

    January 14, 2015 at 3:56 am

    nice idea but sad to say, it is not a practical one. I agree with most of the comments made about this article. as the car moves on the road, the cd play will start to skip because this kid of cd player not make for cars. there is not steady voltage reaching this CD player from the battery of the car which will end up damaging the CD power parts.
    it is dangerous to switch or play cd's while driving since it does not have a remote control.

    Likes(2)Dislikes(0)
    • Humberto

      January 15, 2015 at 10:55 pm

      Hi Walled, nice to see you, Healthy, Prosperous and Happy New Year for you and everyone here. I had one of these units in my car for several years, very well attached in the dashboard, and it never skipped when the vehicle was moving on the road. the main difficulty was it can not playback mp3 files, only audio tracks. Have a good day

      Likes(1)Dislikes(0)
  8. Abdul Haleem

    January 15, 2015 at 7:56 am

    Creative idea Humberto, but could you pls. elaborate how out put from the CD was wired to the car's audio in put system. Is it an IDE or SATA drive??
    Thanks

    Likes(0)Dislikes(0)
    • Humberto

      January 15, 2015 at 11:11 pm

      Well Abdul Haleem, it never minds if the unit is IDE or SATA, these port are not used anyway. You have to input the audio sign to the Audio Car System by means of a plug, remember the unit used in this job has an analog audio-output in the front, look at the photos. This preamplified sign should be applied to the input of the Power Audio IC. If you have other doubt, do not hesitate in contact me again

      Likes(1)Dislikes(0)
  9. Alberto

    January 31, 2015 at 1:31 am

    i did the same about 15 years ago but i used an creative cd rom drive which got a remote control and was excellent, oh those days !!!

    Likes(1)Dislikes(0)

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