Question about Panasonic DMR-E85H DVD Recorder

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Dmr e85 will not start up

I turn the unit on but it either goes into self test mode and turns itself off or turns itself off straight away before going into self test mode

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  • Anonymous Nov 12, 2007

    Unit runs fine until switched to from hdd to dvd ,or dvd is inserted, it then turne off and starts cycling thru self check and off again , eventually completes the self check and starts working .sometimes 3min , or 30

    minutes or more

    Have turned unit off and unpluged for 1/2hr ,

    Have used different dvd's

    Cleaned dust from power supply

  • Anonymous Nov 29, 2007

    I have the same problem. When turned on the recorder keeps self-checking. A few times or 15 minutes. Sometimes it starts immediately. No dust inside. Mo cure so far.

  • ABDUL64 Dec 08, 2007





    THE PROBLEM IS ALWAYPLEASE WAIT

    THAN CHANGE THE DISC



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I have discovered my E85 to have an inadequate power supply. I took the lid off, and used an ancient computer power supply to power the HDD. Since then I have not had a problem with it cutting out dead and self checking on startup whenever I tried to hi-speed access (including dubbing, finalizing, viewing Navigator etc on the DVD.) It does not have enough power to supply every component during peak actions, and just cuts itself out. But not now!

Posted on Feb 25, 2008

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Hi Audi,
Try unplugging the hdd & then turn on the dvd recorder & wait for about 5 minutes.
Then unplug the dvd recorder & plug in the hdd & turn back on the dvd recorder to see if that fixes the problem.

Posted on Nov 05, 2007

  • tigertom Jul 28, 2008

    Hi everyone,

    I have now found out the problem & it is to do with the power supply.

    You will need to change a part on the power supply.

    Part number: STR G6353

    This part will cost about £13.00 which is a lot but if you think of the cost of a new dvd recorder, then it works out well worth it!

    I changed that part & now I have a fully working Panasonic dvd recorder.

    The problem is to do with Panasonic & there design fault its to do with the way they designed the recorder, the heatsink is to small for a start & second they shouldn't of put the HDD on top of the power supply as there isn't enough air flow in the space to cool down the power supply, so the part above overheats after a few years & shuts down.

    I have modified the recorder & there is two 40x10x10mm fans which are running in the recorder 24/7

    I hope this information helps someone out.

    Regards Tom.

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I had a similar problem with my DMR-E55. Two capacitors were shot. Search this website for solutions posted by me and otheres.

Posted on Nov 23, 2009

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The power supply board on the DMR-E85H has problems. The earlier boards suffered from leaking capacitors and the later boards from voltage regulator problems. If your machine is now dead, the fuse on the power supply board has also blown.Go to the following links for details and photos on how to fix: Replacing capacitors:http://www.fixya.com/support/t216825-dvd_recorder_frozen_please_wait_display Replacing the voltage regulator:http://www.rbjtech.net/electrical/e85/e85.htm#0 Hope this helps. My machine had the later ps board and the voltage regulator replacement worked perfectly.

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Stuck in self check mode


Hi

Unfortunately, this is a common fault with these units.
Fortunately though, it can be fixed.

See my earlier solution show below.......

Ok guys, you asked for a fix for the DMR E55 Self Checking cycle. Here goes.
In 99% of cases this is caused by a faulty regulator on the main power board.

The power board is located on the right hand side of the unit. The regulator is IC001 which is mounted on a thin metal strip which acts as a totally inadequate heatsink. This means that this component constantly works at temperatures beyond its tolerance.

Because of this it usually lasts a couple of years and then starts causing problems. The Self Checking syndrome is typical. If the regulator burns out completely, it can take other components with it, blow fuses and scorch the circuit board.

If you are competent in using a soldering iron with care, order an STRG 6353 regulator. These can be obtained online from a number of suppliers.

Disconnect your DMR E55 from the power source and remove the lid. Next, remove the fixing screws from the circuit board on the right where the regulator is located. Carefully remove the multi connector on the left side of the board. Remove the screw above the power connector on the rear of the unit. The power board can now be removed from the cabinet.

Using a small pair of wire cutters, clip all five pins from the old regulator as close the the top of the board as possible. Undo the screw securing it to the heatsink and remove the old regulator which can now be thrown away.

Next, using your soldering iron, remove what's left of the pins from the printed board and with a solder ****** or desoldering braid, clear the holes ready to accept your new regulator. Be careful because if you over heat the print it can lift away from the board.

Use a little heatsink compound on the back of your new regulator, poke the pins through the circuit board and then secure it to the heatsink. I usually fit an extra heatsink on these units which helps to reduce heat and prolong the life of the new component.

Next, resolder the 5 pins on the print side of the board. Use a magnifying glass and make sure you haven't missed anything or bridged connections in error and caused short circuits.

Now put the board back. This can be a little tricky but it's easy enough if you take care. Refit all the screws and carefully reconnect the multi connector.

If you have followed this correctly, switch the unit back on, pop in a DVD and give it a try. Unless you are very unlucky, Your DMR E55 will no longer repeatedly self check and will operate correctly.

Whilst it saddens me to hear that some of you guys would toss your DMR E55s into the trash can for such an easily repairable problem, please do not attempt this unless you are confident in your own ability.

Finally, do check that the fan operates but remember it is temperature controlled and will not activate until it is needed. Do not assume it is faulty because you do not see it working straight away. I have repaired lots of DMR E55s and I have never found a single fan or fan control circuit to be faulty. That's not to say it can't fail. good luck...

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