Question about RCA DRC8335

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Resister burnt I need the value of resister RU83,It is on the VCR board. Thank you.

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  • Anonymous Oct 15, 2008

    I have the same problem. I found a Heat Damaged resistor and diode on the upper right side of the VCR PC board (by the power supply board). The location of the components are “RU83” and “DU83”. It appears that "DU83" shorted causing "RU83" to burn up. I was wondering if you happen to know the value for "DU83" (mine isn't readable). I would recommend that you check "DU83" if you have not done so already.

  • lesfix Oct 20, 2008

    DU83 is also shorted in my unit. I do not know the value, no markings on the part. On the board it is marked as a zenor diode and goes to a 47uf - 16 v capacitor. Thanks for telling me about the diode.

  • PicaDude Dec 14, 2008

    Same problem ... VCR section of my DRC8335 not working. Have buned-up Zenner Diode DU83 ... wish to replace it with proper value when discovered ... Reisitor RU83 looks OK. Thanks!

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My unit is showing 14.7v on DU83. That's getting too close to the 16v limit on that cap. RU83 in this one is 1K ohm.

Posted on Sep 07, 2010

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Guest and Lesfix. RU83 located on the DRC8335 VCR PCB is a 51ohm 1/4 watt 5% tolerence resistor, color coded green-brown-black-gold. As to zener diode DU83, I haven't been able to determine it's value yet but am working on the problem.

Be aware when either or both these components fry, this indicates you need to replace the following two overheating capacitors on the power-supply board, which were directly resonsibile for knocking them out:

• C216 1000µf 16 volt (upgrade to 35 volts)
• C218 1000µf 10 volt (upgrade to 35 volts)

Could you email me regarding this problem when you have time. Mention Fixya and DU83 in the subject line so I realize it's from you. Thanks. mikeadams110@yahoo.com

Posted on Dec 08, 2008

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Tip

How to fix DVD (not eject)


Please read my tips on how to fix the DVD players (not eject).

This problem is common on all DVD players such as VCD players,DVD/VCR combo,or even DVD ROM..

This simple tips is very easy to perform even you are non-pro in electronics.


This are the steps on how to do a D.I.Y troubleshooting:
  1. Remove the cover of your DVD player.
  2. Look at the DVD or CD tray assembly.
  3. Remove the whole CD tray assembly by loosening all screws at the left and right corner of the CD tray assembly and also you need to remove the front panel of the ejecting tray to get the whole CD tray assembly away from the DVD player for further repair and check-up.
  4. After that,look at the bottom of the DVD or CD tray and try to find out where's the motor that controls the ejecting tray.It is usually have a rubber O-ring or mini rubber belt that control the gear of ejecting tray
  5. Next,when you found the ejecting motor.Try to look at the rubber O-ring or mini rubber belt condition,if it is cut,loosen or disconnected from the motor.
  6. If the rubber belt is in good condition,check the ejecting motor.There are 2 ways of testing the motor,first the resistance checking-you should have a ohmmeter or multimeter (resistance or ohm range) point your (+/-) test prove to the terminal of the motor to measure the resistance.Secondly the actual testing-this procedure you need a battery 3vdc,connect the negative(-) terminal of the battery on the black wire of the motor and the positive(+) is connect to the red wire.If the motor is not spin-up replace it with the same type,rating,voltage and value.
  7. If you already done this procedure and the problem is still there after you replace the defective parts,if any.The problem could be the motor ejecting driver that found on the main board.This is not for D.I.Y because of the parts inside main board is very sensitive and hard to replace.If the trouble is on the main board you have to replace the whole main board or buy a new player.

Thank you for reading my tips.I hope to help you!!

on Jun 08, 2011 | Televison & Video

Tip

How to repair DVD (not eject)



My tips on how to fix the not ejecting DVD.

These are the steps on how to do a D.I.Y troubleshooting:
  1. Remove the cover of your DVD player.
  2. Look for the DVD or CD tray assembly.
  3. Remove the whole CD tray assembly by loosening all screws at the left and right corner of the CD tray assembly and also you need to remove the front panel of the ejecting tray to get the whole CD tray assembly away from the DVD player for further repair and check-up.
  4. Then look at the bottom of the DVD or CD tray and try to find out where's the motor that controls the ejecting tray.It is usually have a rubber O-ring or mini rubber belt that control the gear of ejecting tray
  5. Next,when you found the ejecting motor,try to look at the rubber O-ring or mini rubber belt condition,if it is cut/loosen or disconnected from the motor.
  6. If the rubber belt is in good condition,check the ejecting motor. There are 2 ways of testing the motor.
  • First,the resistance checking-you should have a ohm meter or multimeter (resistance or ohm range) point your (+/-) test prove to the terminal of the motor to measure the resistance.
  • Second is the actual testing in this procedure you need a battery 3vdc,connect the negative(-) terminal of the battery on the black wire of the motor and the positive(+) ,connect to the red wire.If the motor is not spin-up replace it with the same type,rating,voltage and value.
7. If you already done this procedure and the problem is still there
after you replace the defective parts,if any.The problem could be
the motor ejecting driver that found on the main board.This is not
for D.I.Y because of the parts inside main board is very sensitive
and hard to replace.If the trouble is on the main board you have to
replace the whole main board or buy a new player.



Thank you for reading my tips.

on May 11, 2011 | Televison & Video

1 Answer

I have a progressive scan dvd and vcr combo. I bought this at a garage sale. No remote. I plug it in and hook up all the cords however get no video. What's wrong? Or what am I doing wrong?


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2 Answers

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and with a magnifing glass
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