Question about Sony DVP-NS575P DVD Player

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Sony DVP SMPS unit fault

I have a defective Sony DVP with SMPS. The SMPS is defective. On check up found the fusible resistance in the path of AC input is blown off and pin No.5 of Oscillator IC is burnt off. Requst your guidlines to proced further. Also let me know, how to confirm the working condition of Switching transformer both in cold and hot tests. Thank you.

Yours sincerly

C.R.K.Murthy

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Hello,
You can get complete power supply as one part from Sony. You can't repair it on component level because components are not available.

Posted on Jul 26, 2008

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Posted on Jan 02, 2017

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How to fix Sony HVR-HD1000U camcorder if it is not charging


hi,
the fault should be in side the cam, start test from the charger connecting socket, measure the power in the mother board, if any of the fusible resistor or the regulator SMD found faulty, must replace.

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1 Answer

5red blink sony


In most cases the standby light might blink with different rapidity to indicate a fault relevant to the processor. It is possible that most of these indicate that there are errors in the processing section . Since there is a possible short or leak in the circuit the output driver section can take in huge current to trip the SMPS or from advice from the micro processor. Remove the power plugs and make sure that high voltage sections are discharged of the potential stored in capacitors. Look for visible signs of leak or of busted capacitors. Look for bulged capacitors or damaged components- burnt or busted. Use a multimeter to check the continuity or shorting in components, if so detach from circuit and test . If the voltage builds up and the set power ON and then shuts up then the suspected section must be checked in detail.

The processor must have the +5 voltage to the function properly , the +B and secondary voltages also must be checked to infer the fault. Trace with caution and in running through the signal path , circuit trail.

Check for tips to check the SMPS unit:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Thank you for using fixya.

Sep 21, 2011 | Sony Televison & Video

1 Answer

My series 90L suddenly stopped and would not restart. A check of the circuit breaker found it tripped. The vac would not turn on when the circuit breaker reset. Using an AC voltage sensor indicated power...


From the description it sounds as if there had to be a short in the unit somewhere. This is what would have tripped the breaker. the fact that it is not tripping could mean that there is a fusible link or that the wires or whatever have burned back from the short, and are no longer shorting out.

Jul 04, 2011 | Vacuums

1 Answer

My kid broke the blue optical lens in Sony DVP-FX930 Portable DVD Player. Can i replace the optical lens part from any other dvd drives or is it unique to sony. Please advice.


Portable DVD players are made up of the dvd mechnism, control motherboard and LCD panel. You can buy a defective Sony unit on ebay for parts and replace the dvd mechanism assembly.

Most defective portable dvd players are defective on the control motherboard, just read the defects disclosed on ebay items to decide which one to buy to fix yours.

Oct 19, 2010 | Sony DVP-FX930 Portable DVD Player

1 Answer

Display no longer works. Receiver still works, however. What's up?


This is purely a fault in the display unit. you need to check the power supply to the display unit. Check the filament voltage and the grid voltage to the display from the display driver processor.
If absent the power supply should be checked , it can be a open fusible resistor if voltage is absent. If not the IC is defective. Check for dry joints of the display unit, the IC or the connector to the display board.

Oct 03, 2010 | Sony STR-DE197 Receiver

1 Answer

Disc is stuck on playhead, won't come out on carousel.


No way but to open the cover the mechanism and remove from the drive of the mechanism.
If the power is present, then check the loading motor drive mechanism , checkthe drive IC for fault.
If not check the power from the SMPS and rectify.
If not the board can be faulty.

Sep 25, 2010 | Sony DVP-NC85H Multi-disc DVD Player

1 Answer

My son used to watch our sony dvd player he knows how to operate it one sunday when my husband want to watch movie he cant open it our dvd player had locked so we cant open it and cant operate it when we...


Unfortunately if the door is latched but with power then the loading motor section is struck or failed. If there is no power at all the power supply unit has failed. you will need to check on the SMPS unit . Check my tips column for SMPS maintenance.

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1 Answer

04 avalanche- suddenly windows, locks, radio and heated sets dont work, dash board shows airbag light, charge light check engine light,fuel gauge not working,oil change message indicator shows 0 zero oil...


Check for fuses and fusible links that may be tripped or blown.

Next, check for grounding issues someplace easy to reach like the heated seat connectors.

Most dummy lights work by choosing the warning light path over the circuit path when the circuit path is higher resistance. Which may explain your dash warning lights.

So, what I am trying to say is...you are looking for a open ground in a big big place....like under the hood at one of the major fuse/relay/fusible link points.

Check it out. Good luck and be careful.

Dec 21, 2009 | 2004 Chevrolet Avalanche

1 Answer

Cannot Close Sony DVP-NC665P 5 disk tray


There is a possiblity that he may have shifted the unit while discs were in it causing the discs to slip off the tray and into the unit. You have to open the unit to check if there are loose discs.

Nov 12, 2007 | Sony DVP-NC665P/S Multi-disc DVD Player

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