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Sony DVD player model:DVP-NS51P,no power nor display,I cannot find any secondary voltages on power supply board and diodes and resistors test fine with ohm meter and electrolytic caps visually look fi

I change MIP2E4D & OPTO cupler also. there is no secondary voltage.

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Pls check secondary 12v zener diode

Posted on Feb 10, 2012

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Region code


Videohelp website had a hack that solved it for someone with the DVD-NS51P player, check it out at http://www.shanghaiexpat.com/phpbbforum/hack-unlock-sony-dvd-player-t62347.html.

Feb 21, 2013 | Sony Televison & Video

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Jvc vcr/dvd recoroder dr-mvis


No power, No Display - test voltages on secondary side of transformer were pulsating
Check diodes 6230, 6240, 6210. They are BYW98 Rectifiers, in my case it was s/c. Thanks to Sparky for similar tip - Philips CD Model: CDR770/00
No power and no output
Replace C6 with 4.7uF, 250v
No power, voltages on secondary side of chopper were very low and pulsating
Check diode 6230. It's a BYW98, in my case it was s/c. Note: it's the rectifier for the 14v line
Dead, no power up on pin 2 of ic601
Replace x601 on main processor ic601
(Brko) Toshiba DVD Model: SD-1750 / SD-2800
No sound
Replaced C927 / C928
No power, No Display - test voltages on secondary side of transformer were pulsating
Check diodes 6230, 6240, 6210. They are BYW98 Rectifiers, in my case it was s/c. Thanks to Sparky for similar tip - Philips CD Model: CDR770/00

Nov 26, 2007 | Audio Players & Recorders

1 Answer

Hi,my sony DVP-NS51P Keeps loading when a disc is inserted,then finally displays "CANNOT PLAY,CANNOT.Please help.


The laser assembly is defective. It can be replaced, but is somewhat challenging and the part usually cost between $45-90 USD.

Jul 11, 2011 | Sony DVP-NS51P DVD Player

1 Answer

I have dvd player by sony. when i try to turn on there is no power on the unit.i check already the power cord,fuse puffing cap every thing is ok.do you have any idea what other parts should icheck.


Hello
Its poser SMPS bard inside is not working properly. This board supplie low tension voltages to the other circuit boards of the device. It is a Switch Mode Power Supply [SMPS]. Normally repairing is not effective to this board. Replace the board as card basis is good. you can bought it from most of the elelctronic spare part shops at your town. There is a number printed on the printed circuit board and it is its identification. Note that number, and buy the same type. OK.

Jun 21, 2011 | Sony DVP-NS51P DVD Player

1 Answer

Power supply fault [d212 short]


sounds like a bridge rectifier diode has shorted replace the bridge or make your own use 4 1000 piv diodes. can be purchased at radio shack. be sure to connect the diodes annode to cathode when making the bridge. also when a component shorts it generally opens the next component in series.in youre case i would definatley check the filter caps.sometimes if overloaded they will actually be swelled otherwise you will have to take them out of the circuit and read them with a cap checker on a quality multimeter. if bad be sure to mind polarity when replacing! electrolytic caps have a positive and neg. leg the board will be marked

May 29, 2011 | Sony DVP-NS51P DVD Player

1 Answer

I am not able to play DVD and CD in my Sony DVP NS51P


Have you tried cleaning the player with a disc made for cleaning optical drives? These such units are available at retail locations such as Traget and Best Buy.http://www.target.com/Memorex-DVD-Laser-Lens-Cleaner/dp/B000P0OJ8O/ref=sc_qi_detailbutton

May 05, 2011 | Sony DVP-NS51P DVD Player

1 Answer

Does sony ns51p dvd player play .mp4 and a.vi video formats?? please help me.!


It doesnt guys.I already tried it.Only supports .mpeg and .dat files.

Feb 01, 2011 | Sony DVP-NS51P DVD Player

1 Answer

There is no video output from my Sony DVP NS51P dvd player though audio output is there.


Im guessing your connecting via a scart lead..... Try swapping the cable ends round so that the DVD end goes into the TV and visa versa.

Mar 23, 2010 | Sony DVP-NS51P DVD Player

1 Answer

Sony DVP-NS55P DVD player will not power on. No LEDs light and no display message appears when the on/off button is depressed (dead). Fuse on power supply board is ok, no components look fried,...


If it is the power supply then the whole unit should be replaced. Or it indeed may be the power on button its self. Only technician with the appropriate knowledge of the particular machine will be able to tell and have the means to check it out.

Jul 31, 2007 | Sony DVP-NS55P DVD Player

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