Question about Philips DVP642 DVD Player

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DVP642/37 Power light flashing constantly.....won't power on

Player was working fine, came back it was off. Has the red power light flashing, non responsive to any buttons. Have unplugged it & let it sit all night which made no difference. Any suggestions? Its less than 6 months old but Philips only has a 3 month/90 day warranty. Thanks

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  • Jen7 Nov 07, 2007

    My problem is the same........my dvd disc is stuck inside, the power light is flashing but none of the buttons are responsive at all. What should I do?

  • Anonymous Nov 18, 2007

    light flashing won't work

  • JoeCotellese Nov 20, 2007

    Hi, I'm having a similar problem. The power light indicates standby I try to turn it on, the display flashes loading for a second then turns off. The power goes back to standby.

    I opened the unit up and disconnected the ribbon cable and header that (I think) connects the drive mechanism to the main board. Then, when I power cycled the unit, the LED display went through a loading sequence and reported an error (which I expected). I then reconnected the drive power ribbon cable, press the eject button and the disk ejected.

    I thought all was well but when I replaced the cover, put everything back into the entertainment center it failed again the next time I tried to use it.

  • Anonymous Dec 08, 2007

    Please describe the specifics of your problem below. We'll add
    your post as a comment to mjbones's DVP642/37 Power light flashing constantly.....won't power on problem, and notify you when a new solution is offered

  • Anonymous Jan 07, 2008

    power light flashs and no buttons work and the DVD is stuck under the DVD Player.

  • Anonymous May 05, 2008

    Is that capacitor polarized or not?

  • Anonymous May 27, 2008

    when I take the thing apart, how will I know what the 35 volt cap looks like?????

  • nalared Jul 17, 2008

    can anyone tell me how to replace the 1000 uf 10 volt cap wit a 1000uf 35 volt cap

    thnks

  • Anonymous Aug 08, 2008

    how to change a capacitor

  • Anonymous Aug 18, 2008

    Philips dvp player jusr flasing red on stand by wont power up....unplugged it.... nothing changed ....help how do you fix this...always worked fine before.

  • sueuecker Sep 08, 2008

    wont come on. lights just flashes' On plugging it don't help.

  • Anonymous Sep 22, 2008

    DVP642/37 Power light flashing constantly

  • begkeka Oct 28, 2008

    power light flashing constantly.. no response

  • Anonymous Nov 03, 2008

    I had the same problem. I got a 1000u 35 volt capacitor from radioshack and replaced the faulty one ( 1000 u , 10 v) . Now my DVD player works great!. Thanks for everyone posting their suggestions and experience



    Bala

  • joe1357 Nov 11, 2008

    flashing red light

  • 6thplanet Dec 14, 2008

    I tried the cap first and it worked about 50% of the time, so I went through with the TIP41/42 swap and works everytime now, thanks jplandry!!

  • 6thplanet Dec 14, 2008

    I tried the cap fix first, but it only worked 50% of the time. I went through with the TIP41/42 swap and now it works everytime, thanks jplandry!!!

  • Anonymous Dec 15, 2008

    The unit is barely breathing...the standby light just flashes and none of the buttons are responsive. I have a rental video stuck in there!! I tried to pry it open (gently with a butter knife), unplugged it and nothing...just flashing light. Has anyone solved this?

  • borneo Jan 01, 2009

    My friend also has this problem on his. I opened it up and found that cap 316 was bulged and main cap304 has a "hole" in the top side and appeared to be leaking. I temporarily replaced it with a borrowed cap.

    I replaced the c316 with two different caps and still have the blinking light.

    I don't have a schematic, but I checked the Transistors in question with my dmm, and they appeared good, but they also may be leaking.

    My local radio shack only has the 85c caps and not the 105c type that c316 is.

    I'll go ahead and get one of them and see.



  • kentdoub
    kentdoub Jan 15, 2012

    I replaced C316 with a 3300uF 6.3V capacitor. I measured with volt meter and the standby circuit is 5V so using 6.3V cap is fine. I made a repair tutorial video giving step by step instructions:http://www.youtube.com/watch?v=8NeeC4kUq...

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This origional post has been up since June 2006. The answer(s) about the 1000mf capacitor are right on target and has helped people even up to today (Aug. 26, 2008). It worked for me and the following might help others.

First find the power supply board. It is the one with the power cord attached to one end (make sure you unplug all power first!). This power supply has about nine minature electrolytic capacitors in the output of the supply. There is a large electrolytic near the input (elecrtical cord). Disregard this one and go to the other end of the board. The 1000mf, 10volt component you are looking for is near the middle of the 9 or so capacitors on this end. It will probably be the largest in this group (because it has the highest electrolytic value of the group) and the board surface will have an I.D. number of C316 adjacent to it.

DO NOT ASSUME THAT THE CAPACITOR WILL HAVE ANY SIGN OF A BULDGE, DISCOLORATION, OR ANYTHING THAT WOULD IDENTIFY IT AS A FAILURE! In my case the replacement solved the problem but there was absolutely no signs on, or around the capacitor. After replacing it, I checked the old capacitor with a (ANALOG) multimeter. The test showed leakage across the capacitor. In other words it was still working but had a high resistance path through the capacitor. This is exactly what I expected because when I checked the output voltage of the supply to the other 2 boards, voltage was present but was reading about 1/2 of what it was supposed to. The markings on the front (output) edge of the board indicate a -24 volts between ground (pin 4) and pin 3. Mine was reading approximately -12 to -13 volts.

I hope this will help others. As a matter of interest, this is an electrolytic capacitor and you should notice that the component taken out is marked negative ( - ) near one lead. Be certain to install the new one with the negative lead in the same manner! Also, any replacement you might find with a higher voltage rating should be at least 16 volts but a 200 or 1000 volt rating will work fine. Although, the higher the rating, the larger it will physically be. You probably would not be able to physically install anything over 50volt rating. The 35volt rating seems to be very available and a very good choice. With regard to microfarad (mf) value, 1000mf are very common but a 1200mf to 1500mf in a power supply circuit will work fine. Do not use anything less than 1000mf. Hope this helps others. This is going to contiue for this Phillips product until they all die.

Posted on Aug 26, 2008

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Hi Everyone.

I had a more extreme version of this problem, and I hope my fix will help those who had no luck changing the capacitor. The player I worked on had a dimly lit power LED and nothing else. The troublesome C316 that you guys diagnosed was in fact bulging upon inspection. However, I wasn't so lucky. After replacing C316 with a 20000uF 35 Volt I still had no life. Using a Scope and my gut knowledge of fixing literally thousands of switching supplys, I found that Q303, Q304, and Q305 were not oscillating and driving the transformer. I thought Phillips was marginal on the C316's ratings, these transistors are only rated a 600 mw at 150 volts. With C316 leaking so bad, it blew them. I should say, my Cap was really bulging on the stress cracks at the top.

Anyway, this fix gives you a better supply that will charge the bigger and better cap you choose. Q304 and Q305 are 2N5551's. Basic NPN General purpose transistors. I replaced them with TIP41's. Q303 is the PNP compliment of the Oscillator so I used a TIP42. Just be careful with the leads if you need to do this fix. Looking at flat side of the original transistors, the leads are Emitter, Base, Collector. The TIP transistors facing you, heat sink away from you, are Base Collector Emitter. So you have to do some fancy lead bending to fit them in. They will fit, and they do hold their peak-to-peak voltage really stiff when motor operations are being performed (like loading or ejecting a disc).

This was another problem I have seen with this unit in the past. The power supply would cave in under the load of the disc tray opening or closing. Probably because C316 was leaking and I didn't know it.

Anyway, this version of the fix is for extreme cases and it will save you some trouble since I could not find a schematic easily.

Here is another tip: For those who don't have a supply of electrolytic caps lying around, you will find something that will work in an old PC power supply. I always keep these boards in my scrap box for these situations. Just Use a Cap that has a greater voltage and capacitance than the old one. And of course, the same lead configuration helps. Use a big "Hog" soldering iron to heat the solder and gently pull out the one you want.

Good Luck

jplandry@hughes.net for Electro-Lab Corp.

Posted on Sep 13, 2008

  • Marcos Silva Jul 30, 2011

    C316 bulged. Changed and problem fixed. Thank you!

  • Igor Mikhailenko Oct 22, 2011

    Changed C316 and voila! Das Ist fantastisch!
    Thanks a lot!

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Thank you for the advice! I have the dvd player hooked up to a power strip and perhaps turning it off and on has cause the capacitor to go funky. Anyway, I had the blinking red power light syndrome, too. I went to radio shack, bought the part and then opened the dvd player to find the 1000uF 10mv capacitor. It was bulging. Next, I ripped out the old capacitor and then realized that I should have used a soldering iron (or gun) to melt the solder and then remove the old on. After removing the faulty part and realizing my mistake, I went back to radio shack and purchased a soldering iron and then watched the following url video http://www.expertvillage.com/video/49420_soldering-capacitor.htm. I put the new part in, plugged in the dvd player and voila! no more flashing light! Thank you for your help!

Posted on Jul 19, 2008

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Sorry to say you have done about al we would have adviced you. it sounds like maybe you got a power surge or the power supply went bad. If you understand power supply circuits or electronic repair then yopu should have no problem finding the bad supply or seeing if the problem is system control related. If its only a player It will probably cost more to repair then to replace Sorry!! if I buy something electronic like this and an extended warrantee is offered for a good price go for it as I did this with a portable 99.00 dvd player with a screen and its broken down 4 times now and every time I got a new one. i only paid 15.00 for the extended warrantee. Good Luck

Posted on Jun 09, 2006

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I replaced C316 with a 3300uF 6.3V capacitor and it works great. The cap is a 5V circuit so 6.3V is fine. Do not be afraid to go larger as it can't hurt. I made a video of the repair:
http://www.youtube.com/watch?v=8NeeC4kUqmk

Posted on Jan 15, 2012

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Thanks for the blog. I, too saved my DVP642 from becoming land fill. Just a 1000uF/35 V from my local electronic parts store for $0.30 and 15 minutes and the player is back in action.

The feeling of having saved a beautiful piece from becoming garbage is so satisfying !!!

Thanks again.

Posted on Mar 19, 2011

  • nicer20 Mar 19, 2011

    here is a link with photos showing the location of the bad capacitor that will help everyonehttp://aurl.wordpress.com/2009/11/30/bad...

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Another thank you - I just fixed mine.  Much appreciated!

Posted on Mar 24, 2009

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Well, I *had* the same problem, but followed the instruction herein (on March 22, 2009) and fixed the problem. I had the red flashing power light, and the disc eject (or any other function) did not work. My daughter's copy of Serenity was stuck in the unit.

When I opened up the case on the DVP642, The capacitor at location C316 on the power supply circuit board had a bulging end. I replaced capacitor C316 with a similarly rated capacitor that I took from an old power supply for a PC. It has 1000uF and 10V, just like the C316 capacitor on the power supply circuit board in the DVP642. I could not be happier with the outcome. Everything works perfectly after replacing the one capacitor.

I am not a soldering expert, but I find that patience is the main source of my success. I used a 30W soldering iron of the most basic design (not even gun shaped, just wand shaped) and I held the end of it against the solder bulge on the back of the circuit board that held in the capacitor. I applied slight sideways pressure to the top of the old capacitor. When the solder bulge melted, the capacitor shifted to the side and retracted the lead part way out of the circuit board. Then I would apply pressure in the opposite direction and put the solder iron tip on the bulge of solder on the capacitor's other lead. The bulge melted, and the capacitor rocked the other way taking the lead with it, also part way out of the board. I repeated this slow motion melting and rocking maneuver until the capacitor's leads were completely free of the circuit board.

Placing the "new" capacitor in the board was even easier. I made sure the leads were the same width apart as the holes in the circuit board, placed the capacitor leads into the holes, held the capacitor top with my thumb and light downward pressure, and remelted the solder bulges on the backside of the circuit board. The capacitor sank into position one lead at a time, and I alternated sides until it was in all the way. I put a tiny amount of new solder on the back of the circuit board to make up for the old solder getting displaced from the lead ends.

The TV I that this DVP642 hooks to is an old Sony CRT (Trinitron) in my daughter's room and its best input is s-video. New DVD players from Philips no longer feature s-video. I was in a bind, not wanting to buy a used DVP642 ($65 at Amazon) when I had paid like $47 for my new one about 4 years ago (also at Amazon).

Thank you to all who posted this problem and its solution. I am in your debit. I hope my confirmation of the solution does someone else some good.

Posted on Mar 22, 2009

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It worked for me too!

Thanks a lot!

JM

Posted on Jan 11, 2009

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I tried the cap fix first, but it only worked 50% of the time. I went through with the TIP41/42 swap and now it works everytime. Thanks jplandry !!!!

Posted on Dec 14, 2008

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I had the same problem . I bought a 35v/1000uf capacitor from radioshack and replaced the faulty ( 10v/1000uf) one. I followed instructions from http://tech.groups.yahoo.com/group/philips_dvp642/message/1720.
Now my dvd palyer works great.

Bala

Posted on Nov 03, 2008

Solution # 5 was very detailed and worked very well

Posted on Nov 02, 2008

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This was my first-ever transplant. From your directions, easily found the 1000mf, 10volt capacitor & extracted. Replaced with a “new” one from a salvaged phone.. This “new” DVD player, compliments of a nearby university dumpster. Works perfectly.

Thank you, Apeman !!

Posted on Oct 21, 2008

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Thanks so much for this solution. Went to Radio Shack today, and followed the instruction from Solution #2 and it worked wonderfully.

Posted on Sep 12, 2008

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I picked up a 1000uf/35V capacitor form Radio Shack today and just finished installing it per the solution 2 instructions. Worked perfectly!

WOW, this was fantastic help! Thank you to all who posted!!

Just a few notes from a newbie perspective...

1) Skill level: if you've ever taken apart a computer and used a soldering iron once or twice, you will be fine doing this.

2) Total time was less than an hour.

3) If you DON"T feel comfortable soldering, I still recommend taking the unit apart. The board with the problem cap can be removed completely very easily and if you bring it with you to the electronics shop where you buy the part, chances are someone there will solder or know someone who can do it for you for a very nominal fee.

Once again, thank you to everyone for the help and I'll definitely be using this site again in the future.


Posted on Sep 11, 2008

This Works!
alrighttttt!  Bought another DVD Player but didn't like it.....    Found this thread and replaced the slightly domed capacitor (yes the 1000uF/ 10V)  and replaced with another that cost me $0.67 at a local electric component shop (1000uF / 16V).  It might be slow to load etc., but this player reads nearly everything ive thrown at it.  The new one wouldn't play jack - despite advertising DIVx.
Happy days.

Posted on Aug 20, 2008

Yay! My DVD player is working again!

Finding the faulty capacitor was the tricky part. I didn't really know what to look for. I was looking for something obvious, but after finding some pictures of bad capacitors on the web, I spotted it. The top of the capacitor was bulging ever so slightly.

Radio Shack didn't have a 10V capacitor, so I went with the 1000uF 35V as suggested. It's a bit larger than the original, but it fits alright. Thanks for the help, guys!!

Posted on Aug 03, 2008

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Exact same problem.
same solution worked for me (replace the cap).

Thanks everyone!!!

Posted on Jul 22, 2008

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It's all good, but how do I find which of the capacitators on supply board is gone?

Posted on Mar 05, 2008

Go for solution #2 thank you! very much! Worked like a charm, I had a old computer power supply laying around and pulled a 1000uf/16V to replace the 1000uf/10V that blew!

Thank a bunch,,

TF

Posted on Dec 05, 2007

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Thanks guys!!
I had a 1000uf/35V in my "extras" box and it now works great.
The top of the old capacitor was just slightly rounded up.

Posted on Nov 22, 2007

Sollution #2 worked for me too. Had the 1000uf 10V. switched with RS part and Voila back in action.

Thanks

m

Posted on Nov 20, 2007

Go for solution #2 thank you! very much!

Posted on Nov 09, 2007

The capacitor was the problem on mine as well. But it was a 1000 uf 10 volt cap rather than a 16 volt.
Replacing it with a 1000uf 35 volt cap (cat. no. 272-1032 $1.59 at Radio Shack) has it up and running again.

Posted on Oct 14, 2007

Replace bloated cap on power supply board - 1000 microfarad 16 volt - replace with 35 volt cap

Posted on Sep 03, 2007

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Thank you apeman00!!! The replacement of the cap did the trick!!! the old cap didn't look bad at all!

Posted on Oct 25, 2008

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