Question about Philips HTS3400/37 System

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I am trying to fix my Philips HTS3400/37 (power issue/blinking light/service manual)

I have the blinking light issue mentioned a few times here. I have been trying to troubleshoot it. I have found one bad capacitor (C985) And found that no voltage on lead 12 of IC952. I called Philips to try and get a service manual but they will only charge me to replace the system. How frustrating. I can easily get the parts I need if I can figure out where the problem(s) are found. Have any experience with this problem or know where I can get a schematic of the power supply board? ANY help would be greatly appreciated! Thanks!

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  • alystric Dec 31, 2008

    I noticed one day that the light was blinking on my dvd player and it wouldn't come on. I don't know about schematics or anything but I read from a user of this site that it was probably a capacitor. So, rather than send it to a professional and pay $100+ to have it fixed, I replaced one obviously ruined capacitor on the motherboard and it worked like new. (C984 . . I think . . .) It cost about $13 for the parts and s&h and took me all of 45 minutes. I don't know if this can help but I just wanted to confirm that post I read. I did fix it by only changing one capacitor.

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SOURCE: 470uF capacitors

The 470uF/25V Caps are in the middle of the PCB alongside of the slab-looking aluminum heatsink. You should be able to see that the tops are popped up and the glue around them is brown from overheating.

Posted on Jul 26, 2008

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SOURCE: Capacitors - Philips HTS3450 System Problem

If you could post or email a photo that would be great. m7900848@yahoo.com.
Thanks

Posted on Aug 19, 2008

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SOURCE: Philips DFR 1500 Service Manual or where to find parts!

how do i turn up the two rear surround speakers on my philips dfr 1500

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SOURCE: Philips HTS3450 - high pitched humming noise until warmed up

Jeremy,

Read one of my posts:
I used a hairdryer and blew hot air into the grill on the bottom of the subwoofer enclosure which reduced the delay time from ~1hr to 5 minutes. (The high pitched noise was still there for about 1-2 minutes)

Posted on Nov 30, 2009

  • 1 Answer

SOURCE: Philips HTS3555 will not power on

did you find the part or where to get it? I'm in the same boat and want to know what you may have found...

crys2b21@Hotmail.com

Posted on Aug 18, 2010

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Hi,Even your DVD is newer version but would you please try the following solution that I provided for someone else....It may help..Because ,when a capacitor in the power circuit board fails, power led blinks and tray sticks too..So take care.
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it is a common problem on Philips DVP 630/642/37 series DVD players..As Power problem..A blinking red power button urges you that there is a malfunctioning capacitor in the circuit board.

This is actually surprisingly easy to fix. but it needs soldering iron before.any attempt. Here are the steps .The decision to try this is up to your own discretion and may be a last ditch effort before throwing the player away.
Unplug and take the metal cover out (plenty screws on side and on the back): Check the board to see if capacitor numbered as "C316 "is bulging-/leaking. If so, get a 1000u capacitor >=16V and replace it..
If you cant do it find a handy man nearby you and ask him to do it..It takes just 10 minutes but you must obtain the capacitor from Radio Shack (2.00 USD) before you begin..

Take care and do not forget to rate me too..Thanks

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Inside there are two circuit boards, the power supply board and the audio/video board.
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  • Now open the unit up, and unplug all of the connectors going to or from the power supply board. You can easily tell which board is the power supply board because it's the one the power cord plugs into.
  • Unscrew the four mounting screws that hold the board to the case.
  • Using a pair of needle-nose pliers, squeeze the two white plastic clips that hold the board to the case (one at a time), while gently lifting the board away from the case.
  • Now that you have the board out, feel the tops of all the capacitors (they look like this). Healthy capacitors should have a totally flat top. (There is probably one that is covered in some sort of heat shrink, so you can't feel the top.)
  • One capacitor most likely has a slightly bulging top. That is the culprit.
  • Using a soldering iron, carefully remove the busted capacitor, making sure to note which side the stripe is on.
  • Buy a replacement capacitor at Radio Shack or www.digikey.com that has the same capacitance (e.g. - 1000uF) an equal or greater voltage, and an equal or greater maximum temperature.
  • Insert and re-solder the replacement capacitor in the same orientation as the one you took out, then trim the excess leads.
  • Reassemble your system, and you're done.
The capacitor that died on mine was 1,000uF, 16V, 105°C. It was located fairly close to where the power cord comes in to the board. I replaced it with a 1,000uF 50V capacitor, and the system powered right up like a champ. The entire process took me about an hour.

I hope this helps some other people have similar results.

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