Question about Panasonic DMR-E55 DVD Recorder

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Removed and replaced internal fuse - unit is now dead

I have two DMR-E55 Recorders. One started to have the IC001 problem so I followed the helpful fix on this site and replaced the regulator. Having replaced everything correctly and replaced the cover I couldn't get the unit to power up. I replaced the plug fuse just in case but still no joy. I then removed the cover and saw an internal fuse on the board and wondered if that had blown. I didn't have a spare so I thought I'd be clever and try the one from the other E55. It didn't change anything on the repaired E55 and worse still on putting the fuse back in the one that was working, that now won't power-up. Is there some sort of 'reset' or have I inadvertantly done something wrong by taking the internal fuse out ?

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  • alanj_burt Dec 29, 2008

    Thanks for your help - will try it this week.



    Regards



    Alan

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Hi

The chances are that you bridged the printed track with a splash of solder when you replaced the regulator. A short circuit like this will cause the fuse to blow. You can get replacement 20mm slow blow 2amp fuses quite easily. But before you fit a new one, pull the board out again and have a very careful look under a magnifying glass at your solder joints. Get a small stiff bristle brush and carefully brush across the joints in case there is a tiny ball of solder across two points. When you reassemble the unit, ensure that the ribbon connectors are central and fully pushed into the sockets. I'm sure you can recover your DMR E55 reasonably easily. Best wishes

Posted on Dec 25, 2008

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Got a panasonic dvd recorder.dmr e55. need instructions to connect to television. have no manual. would like help to do this.


You may be able to download a free pdf copy of the manual online from the following site:

http://www.retrevo.com/support/Panasonic-DMR-E55-DVD-Players-manual/id/312dj185/t/2/

(just follow the prompts)

Pages 6 - 9 of the manual show connection of this unit to a TV and/or other equipment in some detail.

Apr 26, 2011 | Panasonic DMR-E55 DVD Recorder

1 Answer

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...

May 01, 2008 | Panasonic DMR-E55 DVD Recorder

2 Answers

DMR E55-P will not read DVD-R


Hi Benyto

Thank you for the information. Sorry that you are having such problems.

Nearly all the problems on ths DMR E55 are due to a faulty power board. The greatest load on the power supply is when the unit first reads discs and also when finalizing. Sometimes the unit cannot read discs and sometimes it continuously self checks.

Try replacing IC001 on the power board. This is a 5 pin regulator #STRG6353. This component gets very hot and the heatsink is poor. When I replace these, I use a larger heatsink and some heatsink paste which helps to prolong the life of the component. If you look at the regulator, you will see by the colour of the circuit board that it gets very hot. It fails after two or three years in all DMR E55s.

Be careful when you take the old regulator out because the print can lift away from the circuit board.

I have posted full instructions on how to replace the STRG6353 >HERE<

Hope this helps

Mar 02, 2008 | Panasonic DMR-E55 DVD Recorder

1 Answer

Problem to record


IC001 STRG6353 on power board may be faulty

Dec 19, 2007 | Panasonic DMR-E55 DVD Recorder

1 Answer

Dvd model DMR-E55


Hi

IC001 STRG6353 on power board may be faulty, mentioned also in several other threads.

Available from various suppliers.

Capital98

Nov 20, 2007 | Panasonic DMR-E55 DVD Recorder

1 Answer

Self test problem


Replacing IC001 STRG6353 maybe the reason on power board.
Be careful when replacing, it is attached to heat sink has five pins, closeby some miniture surface mounted parts.

Regards

capital98

Oct 24, 2007 | Panasonic DMR-E55 DVD Recorder

4 Answers

Panasonic dvd video recorder dmr-e55 user manual


http://service.us.panasonic.com/OPERMANPDF/DMRE55.PDF

Oct 13, 2007 | GoVideo Home Audio&Video: Go-Video DVD...

1 Answer

Panasonic DMR-E55 DVD Recorder Problem


I have been told that panasonic now have a faster speed disc on sale to suit the newer dvd recorders that dmr-e55 cannot record on as they are too fast. You have to buy the slower speed ram discs to suit the dmr-e55.

Aug 26, 2007 | Panasonic DMR-E55 DVD Recorder

4 Answers

Panasonic DMR-E55 DVD Recorder


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 sucker 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 trick but it's easy enough if you take care. Replace 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, You 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...

Jan 03, 2007 | Panasonic DMR-E55 DVD Recorder

10 Answers

Powerdown after a few seconds


Amazing - I have exactly the same symptoms on my DMR-E55EB - noticed the dead machine on 19/11/6 - tried several powerdown resets, gained a few tens of seconds operation each time, and after around 6 attempts it died completely. Will open it up and have a look...

Nov 13, 2006 | Panasonic DMR-E55 DVD Recorder

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