Question about Sony DVP-NS330 DVD Player

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It doesn't work

I have this dvd player.

it doesn't go on. i checked the power supply, and the transformer outputs less voltage as necessary.for example on the 5.5V pin just get 3V.

does someone know where the problem can be, usually?

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  • 58 Answers

I think you solved your own problem. If your not getting enough power then one of the symptoms of not having enough power is not powering on, weird behavior, or a weak power light.

Posted on Jan 11, 2009

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1 Answer

My Toshiba RDXV60 stopped working, there are no lights no sound and will not respond to the remote or to button operation.


if you want to confirm if the transformer in the power supply is also bad you have to make a voltage checking. turn on the dvd player and make a voltage checking at the output at the power supply board.

Nov 19, 2012 | Televison & Video

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I own a dual bunn grinder and the display screen doesn't work anymore, is there a way to fix it?


you must open the grinder for test the dispaly, and transformer for test the output voltage, and isolated is there problem witht the transformer and power supply or display. if there are output from transformer power supply the power will be +5vds or 12 vdc in another machines and the dispaly not LIT , the display is faulty. and vice versa use the VOM OR DVOM
God bless you
God bless you

Jul 19, 2012 | Coffee Makers & Espresso Machines

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Power supply output for Yamaha p4500 secondary output for the power supply so that i could check the voltage


Hi Joel, although we've sourced detailed schematic for this P4500 amplifier, there are no many voltage details on it for manufactures sake. Anyway, mine findings are. Secondary winding on main transformer should supply no less than 2 x 75 volts which makes after rectifying and filtration no less than 2 x 90 volts on capacitors with amplifier without input signal. Also transformer has to be very "hard" , otherwise amp will start clipping before reaching stated wattage on output.

Oct 17, 2011 | Yamaha P4500 Power Amplifier 2-Channel

1 Answer

Hitachi L26D103. Less than 2 years old. Working fine one day. Turned on the next day and the sound works, but not the picture. This is an issue when in both the TV and DVD modes.


Good day!

If your TV doesn't have a picture even you play a DVD it means there is problem to your TV.It could be the Inverter board or the cold cathode lights is busted.


This are the steps on how to fix that problem.
  1. Remove the back cover of your TV.
  2. After that,plug in the TV and power it ON to perform a voltage data.
  3. Check the the output voltage of your power supply by using multimeter tester (range in DC) then check the 24vdc(supply of inverter board).
  4. If you have 24vdc in power supply output,check also the input voltage of inverter board if have 24vdc.If doesn't check the wire connection from power supply to the inverter board.
  5. If have you input voltage of inverter then check the high voltage output of it,if have at least 500vdc so be careful to check it because it have a high voltage.
  6. If doesn't have high voltage output replace the inverter board and if have a output voltage the cold cathode lamp inside is busted so you have to replace it
The inverter board looks like this:
bugoy31_2.jpg


You can buy it to this link: http://www.shopjimmy.com/catalogsearch/result/?q=Hitachi+L26D103+inverter+board

If this solution will be helpful please rate my answer. Thank you and good luck.

May 06, 2011 | Hitachi L26D103 LCD TV

1 Answer

No power even if I plug my DVD to power source


Good day.

Follow this procedure for trouble shooting.

  1. Remove the cover of your DVD player.Loosening all screw.
  2. Check the input voltage of the power supply 220v/120v AC.If don't have input supply that comes from the ac cord,replace it.
  3. If you have a input voltage supply comes from the power cord.Check the output voltage of the power supply such as 5vdc and 12vdc.
  4. If the you don't have output voltage from the power supply.Check the fuse if busted,check open/change value of capacitor,check power transistor (regulator)if shorted and leak/bulging top capacitor of the power supply board.If you found any defective parts replace it.
  5. If you have output voltage comes from the power supply.The problem could be the main board,replace it.
  6. If you already done this procedure,test it by power ON the DVD player.

I hope this information will be helpful.Thank you and good luck.

Apr 17, 2011 | LG Televison & Video

1 Answer

No power dvd player


if your DVD player have no power first step is find where is power supply section then check your output voltage buy using your multiple tester and range it to dc then check if have a supply 5volts and 12volts if no output you can check some diode to your power supply or you can buy a 1 set of new power supply its available to the market thank you

Mar 05, 2011 | Televison & Video

2 Answers

No power


Is the fuse located before or after the main power switch?

If the answer is before the main switch, then maybe you should also check the main power switch (dirty contacts - these may cause insufficent voltages from the power supply).

Note that the (electrolytic) capacitors can be faulty but will not have visible damage, so check the DC voltages on the power supply output and try to replace the associated capacitors if the voltages seem to be too low (usually, there will be 12 and 5 volts outputs, sometimes a 3 volt output on some brands/models).

If it turns out that these voltages are not present at all, then there may be damage to the transformer driver IC (i'm assuming this is a switching power suply) - see if there is any AC voltage present at the secondary terminals of the transformer, if there is none, then the primary is most likely not being driven by the 110 V and this points to the driver IC as the possible cause. It may also be some other component in the primary section, but you said you've checked them out, so i don't know what else to suggest.

Hope you can fix it.

regards

Triarcuate

Sep 29, 2009 | RCA DRC220N DVD Player

2 Answers

No power


Sounds like you have a capacitor problem.You need to open the dvd player up and check all the capacitors located on the power board.Make sure it is unplugged and be careful.There will still be some charge inside the unit.

Aug 31, 2009 | Samsung DVD-V3500 DVD Player/VCR

1 Answer

Dead unit


your problem is that your output is less than normal

first you isolate h/output from power supply if it comes to normal(115V).

then problem in h/output stage

for that you check

h/output,cap & diode in flyback section & flyback transformer.

but power output is still 50v then problem in power supply for that check oscillator ckt & switching output.

good luck.

Oct 17, 2007 | Philips 27PT543S 27" TV

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