Question about Philips Televison & Video
The problem with my Philips DVP 630 player is flashing red light on "standby/on" button. It's impossible to use any of the players functions, even "open/close" button dosn't work.
I'll be gratefull for any help to get it to work.
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Posted on Jan 02, 2017
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.
firstname.lastname@example.org for Electro-Lab Corp.
Posted on Sep 13, 2008
my dvd player did the same problem. and i solved this just with a screw driver:) if your dvd player s guaranty finished!! switch off the player and open the screws which r 2 on sides and 3 behind the dvd. open the cover and take off the two group of cables on the chipset which are on the mechanical part side! (mechanical side: dvd driver) than plug the cables again to their socket. its done! close all and go on ! i hope this will solve your problem as mine...
Posted on Feb 18, 2009
SOURCE: dvd player not starting up
Hi. In most units of this nature, you will have a stand by mode that will initiate during a major control fault that will concern the main circuit board that is housed inside your DVD players enclosure.
To confirm this control fault within the micro board, i suggest unplugging this unit for 5 minute. this is a hard reset that will drain all power and the micro board will reset itself. After the five minutes are up, simply plug back in the DVD player and power up.
If you experience the same stanby by mode and blinking code light as well after the hard reset, this will confirm the main circuit board control fault.
In this case, you will have to send to the nearest repair depot or, you can ship this device to the manufacture for a main board transplant and re-programing procedures.
Please rate and have a great day:)
Posted on Apr 22, 2009
I work for Memorex tech support. Our phone number is 800-919-3647.
I know this isn't what you want to hear, but the problem you've described can't be fixed with troubleshooting. Your DVD player needs to be repaired. There is a part that has developed a defect and needs to be replaced. The problem is Memorex doesn't repair their DVD players, they simply replace them when a customer has a warranty claim. If your player is no longer in warranty (the warranty is 90 days from the date of purchase) please call the above number to see if your model qualifies for any out of warranty options. Getting the player repaired locally would cost far more than what you paid for it, and that's if someone could repair it without any replacement parts from Memorex.
I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.
Please let me know if I can be of further assistance.
Posted on Jul 04, 2009
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