Question about Philips HTS3400/37 System

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Unit just stopped working all together.

I turned the system off one night and the next night I went to turn it on and it just wouldn't do anything. No lights, No sound, No nothing... Help please

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Re: Unit just stopped working all together.

Yeah my exact unit did the same thing twice, the first time it was a warrenty, but the second they requested that I send $100 bucks for a new one

Posted on Jul 28, 2008

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My Coby Home Theater System will not turn back on.

I am not sure about your unit specifically but - most units have a fuse in the circuit board that blows and it is in the power section. Maybe this is the problem since you have done everything else that I would have done first. Unplug the unit and take off the back panel. look for a fuse in the circuit board. DON'T be sticking your fingers in there until you see the small fuse. Use an OHM meter to see if it is good or not remove it if it is bad. Radio Shack has fuses for about 4.00. I hope this helps

Feb 23, 2014 | Coby DVD938 Theater System

1 Answer

Have sony home theater system Sony Compact av system dav-fc8


Nov 04, 2009 | Sony DAV-FC8 System

1 Answer

Power goes off

Try resetting the unit.
Make sure there is no disc in the unit. With the unit on, go to the front panel and look for the STOP (square) button.
Hold it down until the unit shuts off by itself. Turn it back on it shoudl work fine.

Jul 01, 2009 | Samsung HT-X40 System

3 Answers


I was moving around my large woofer speaker last night and then all of a sudden the unit went into protection mode. I tried all the various solutions posted on here and nothing worked. Then I went back to my speaker connections on the woofer and unplugged them and plugged them in again and it seems to be ok now. Very annoying problem. Can I suggest unplugging all the speaker cables and replugging them back in. Also another solution may have been holding down the power button when powering up the unit. Give all the above a try.

May 22, 2008 | Samsung HT-TQ85 Five DVD 5.1 Channel Home...

1 Answer

Lightning storm blew out my SonyDAV-770, I think.

Power supply area could be damaged so getting an estimate of repair from qualified technician will help to decide, what to do :D

May 22, 2008 | Sony DAV-C770 System

1 Answer

Panasonic SC-HT75 Home Theater system

with the unit switched on press and hold the stop button and press the power button once. if that doesn't work then try it with the play button.

Mar 31, 2008 | Panasonic SC-HT75 System

1 Answer

Zenith DVT412 System Not working at all

Hello Nibas,

You may have damaged the laser diode or one of the biasing components, you will need to take this to the shop to have it repaired. This is due to the fact that the laser output has to bee measured and you don't have the equipment to do that. This is not a case of resetting the DVD player which on this unit only covers if the unit is in progressive scan mode (how to reset from progressive scan). I know this is not what you may have wanted to hear but it is the truth. In any event you will have to take this unit to a repair shop.

I hope this helps,
Thank you,

Dec 31, 2007 | Zenith DVT412 System

1 Answer

Unit says Init Please Wait

I've just spent the last 3 nights trying to fix that same issue with my player. I ended up pulling out the dvd tray assembly, and making sure there wasn't anything broken inside or obstructing other pieces. Come to find out, my 1 year old had pulled on one of the trays and it pulled the tray off it's tracks. After that, it would just go to "init please wait" forever. I pulled the side track cover off and aligned the tracks manually. Everything had to be absolutely perfect or else you'd get nothing. After the fact, I realized that there were two holes in the bottom of the player that you can take a spare small gear (which is attached to the plastic cover on top of the dvd tray assembly) and stick it in there and manually adjust the tray positions to make sure everything is aligned properly. After messing with it three days, it ended up being quite simple to fix. Everything works like a charm now. If you need details, feel free to email me.

Oct 31, 2007 | Panasonic SC-HT670 System

2 Answers

Problems with RCA RT2620

I have this exact problem, it appears the power on/off switch no longer works. After re-setting by unplugging the unit, use the remote only. As for the display, I find that if I turn the home theatre on last, the unit works and if I turn it on first, it behaves as you described.

Nov 20, 2006 | RCA RT2620 Home Theatre System System

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