Question about Panasonic DMR-E55 DVD Recorder

10 Answers

Powerdown after a few seconds

My DMR-E55 has worked well for two years. It has recently developed a problem with powering down after about 30 seconds operation. If I switch the power off at the wall socket for 60 seconds and power up again, the unit plays ok again for a short period and then cuts out again. Everything goes dead including the display. I've tried this reset method several times and it is always the same. Any ideas what is wrong? I have tried resetting the unit to factory defaults and this has not cured the problem. The fault occurs in all modes of operation.

Posted by on

  • 10 more comments 
  • David Sykes Nov 24, 2006

    Hi Chipps,

    Did you open her up?

    Any joy?

    Have you tried contacting Panasonic about it? I have tried to find the appropriate web site but haven't managed to get any help yet.

    There is obviously a common mode problem here.

    Davyk155ed

  • David Sykes Nov 24, 2006

    You sound like you know what you're doing Chipps.

    Its not worth repairing at £45 plus labour. You can buy a newer model for 130 squid with a 12 month warranty. It doesn't say much for Panasonic 'reliability' does it, 'specially when you can't get them to acknowledge any questions on their web site.

    Shame. I really like the DVD RAM too :)

    I believe LG do a Recorder that's compatible with DVD RAM. Do you know any others?

  • David Sykes Dec 01, 2006

    Your'e a star.

    I am ognorant on electronics but keeping a sharp eye on your progress.

    Good luck.

    If you want a unit for spares let me know!

    Davyk155ed

  • David Sykes Dec 01, 2006

    Hi Chipps,

    I note your information and have opened the box. Found IC001. Its mounted on a heat sink so that could explain the overheating problem if that is what it is.

    My puzzle is how to get the board out of the machine without damaging the connections. Is it just necessary to release the AC Power input socket screw and the three screws holding the board in place? Do I need a special tool to disconnect the hard wired 'ribbon' type connector (see pic) between the power supply board and the laser unit or should it just pull out with the fingers?

    I presume a deft hand with a soldering iron is necessary for the rest?

    Once again your comments so far have been excellent! Keep it up mate...

    Stuff Panasonic, we can do it ourselves...

    Davy

  • David Sykes Dec 04, 2006

    Cheers Mr Chipps,

    nothing major to lose have I?

    At the moment all I have is a nice silver shelf for my plants :)

    I'm concerned about getting the old component out though as I know I'm a bit ham fisted with the 'iron. It looks like its just two legs to disconnect eh?

    It's probably worth buying the tools you suggest as they're a bonus if I get the darn thing working.

    I'm convinced you're right with your diagnosis.

    Please keep us posted how you get on.

    Davy

  • David Sykes Dec 07, 2006

    Hi Mr Chipps,

    I have a friend who my son assures me is adept with a soldering iron - he works in a lab.

    He's on vacation at the moment but I am sure he will help me out.

    Please let me know if your solution works.

    If it does there may be a few people who benefit from visiting this site.

    It's a pleasure conversing with you, I'm sure we'll be successful.

    Davy

  • David Sykes Dec 15, 2006

    Any luck yet Mr Chipps? Are still waiting for delivery of the part?

  • David Sykes Dec 22, 2006

    Hi Mr Chipps,

    Great news!

    This is what this site is all about.

    I'm interested in buying one of your spares.

    Can you contact me at dsykes1011@aol.com to make arrangements and I'll forward you cash for part and postage.

    Cheers

    Davy

  • David Sykes Dec 22, 2006

    Just a thought!

    If as you say there is no heat sink material present and the unit has a tendency to run hot, I wonder if oxidation is building up behind the component which is allowing it to overheat and this causing the cut-out problem.

    Perhaps if the heat sink compound is added to the existing component to restore the dissipation properties it may stop the unit cutting out?

    I suppose that the component could have been irrevokably damaged but do you think that is worth a try before I replace the part?

    I haven't blown any fuses on my unit - yet.

    Davy

  • David Sykes Mar 02, 2007

    I also took Mr Chipps advice and my DVD is working perfectly again!

    Shame on Panasonic for being so unhelpful. they clearly have a design foault with these units...

  • David Sykes Mar 02, 2007

    Well done Mr Chipps. Your fix worked for me!

    "Chippslfixya"

    Shame on Panasonic for being so unhelpful. They obvioulsy have a design fault with these units.

  • David Sykes Mar 02, 2007

    Oops - two comments the same. Didn't know that the first one had been accepted. Nevamind - double the cudos eh? ;)

×

Ad

10 Answers

  • Level 1:

    An expert who has achieved level 1.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 4 Answers

Changing IC001 fixed my problem with a DMR 55 -classic start-over symptoms slowly getting worse, although once the unit managed to start it would normally work okay except for occasional breaks during recording. Interestingly, it only struggled to start when a double-sided, cassette RAM disc (the ones like a big PC floppy disk) was in the drive. No disc, or a single sided non-cassette disc was fine ! Before changing IC001, I measured the DC voltages at the "ribbon" connector onto the main board whilst the unit was trying to start. Every time it failed, all the DC voltages disappeared suggesting that the Power Supply circuit was also completely shutting down, and reinforcing suspicions of a dodgy IC001. The Power Supply board was also quite badly discoloured under IC001 suggesting it was getting very hot. I noticed that at the points the heat sink is soldered to the board, the board was not at all discoloured suggesting that very little of IC001's heat was being dissipated in to the heat sink, but being conducted down IC001's leads (were the board was most discoloured). Like other's had commented, IC001 had no thermal grease between it and the heat sink !!!! I also extended the original heat sink by joining more aluminium I had spare, in an attempt to keep the replacement IC001 as cool as possible. Well done to everybody who did the "trail blazing" on IC001 !!!!

Posted on Aug 21, 2007

Ad
  • Level 1:

    An expert who has achieved level 1.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 1 Answer

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...

Posted on Nov 23, 2006

  • 6 more comments 
  • Terry Chips Nov 24, 2006

    "Dead completely" - 2A fuse blown...

    Did start yesterday by calling local repair man - he wanted £45 labour, £23ish parts, saying it sounded like a power supply problem.

    So far, all 11 electrolytics on the PSU board measure OK (no guarantees that they ARE OK)...

    I recall some firms (like Grandata) sells "servicing kits" for various TVs, VHSs etc. - essentially all the likely culprits which will 99% certain fix the fault. I'll also pick up a TV Magazine to see which of those firms still exist...

    Meantime - off to Maplins to get another fuse.

  • Terry Chips Nov 25, 2006

    So - popped another fuse in - and popped it: violently! Must find a real fault before sacrificing anther fuse...

    No clues yet - WH Smiths don't stock Television Magazine, or any other magazine which mentions capacitors or resistors (plenty with Gb and LANS though!), so right now I can't find out who is still in "the trade".

    Anybody got a service manual, or have got further than I have? One of the big ICs (near the 47u 450V capacitor) has low resistance between 3 of the 5 legs - no time to investigate yet.

    Really need some-one who has seen this before to offer their experience. Would save a lot of time. I don't watch much TV from any source - so this is only a "one-day job" - along with so many others!

  • Terry Chips Nov 30, 2006

    Progress - or lack of it:
    IC001 (STRG6353) is duff (short circuit) - £5 approx. plus VAT plus pp. from Nikko Electronics Limited, 358 Kingston Road, Ewell, Epsom, Surrey. KT19 0DT
    D005 (T3D44) is duff (open circuit) but can't find reference to it on the web. Need knowledge of an equivalent.
    E-mail to Panasonic returned a "not recommended user service - contact your dealer" - type message.
    I await a further reply to my next e-mail (along the lines of "I have identified what I need - these parts and further recommendations for what is obviously a known failure").
    I'd also value some input from users of this forum - either technical or about other useful forums?
    The original fault may still be present and not related to the two parts identifed above. These two parts may have failed during the power-cycling which was recommended in the instruction book.

  • Terry Chips Nov 30, 2006

    Communication #2 from Panasonic: they still don't recommend customers servicing their own machines, but do say it's my prerogative to do so. They offer Seme NEDIS Ltd, Hudson Road, Melton Mowbray, Leicestershire, LE13 1BS as a supplier.
    Seme NEDIS do list the STRG6353 (not being registered with them, they don't give me the cost), but don't list the T3D44.
    Further E-mail now sent to Panasonic reiterating the request for details of the T3D44 - source of supply or an equivalent. Awaiting reply...

  • Terry Chips Dec 01, 2006

    Communication #3 from Panasonic:
    "Unfortunately, please be advised that, for safety reasons, we are not able to provide any technical guidance or assistance."

    So - spoke with a decent local service engineer - who confirms that the STRG6353 is the only cause of the fault which I described to him. He had only had them fail open-circuit (mine, recall, had gone short circuit).
    The diode I mentioned is in fact a diac - and will read o/c using an ordinary meter. It needs many more volts (probably several tens of volts, depending on type) across it before it changes its "resistance".

    The repeating self-check with no other function was mentioned by him - and a passing remark suggested it's "the laser unit" - which I guess is a large chunk with a large price. But that's fortunately not what I was suffering.

    Another e-mail sent to Panasonic, quoting form their website:
    "As Matsushita Electric Industrial Co. Ltd grew, Konosuke Matsushita
    never lost sight of his founding principles - putting the needs of his
    customers and employees first. He developed his original business
    Philosophy in 1929, a mission statement that still holds true today."
    So far here is one customer the needs of whom have certainly not been met...

  • Terry Chips Dec 03, 2006

    Hi Dave - well done. Nice to see a willingness to experiment!

    The board is released by the three obvious screws plus the screw securing the mains-in socket.
    Release the ribbon by easing a thin screwdriver (or other blade) between the retaining clip (halfway along the edge which is facing away from the main board which carries the DVD loading mechanism). With the screwdriver in place the connector can be withdrawn straight up (slight "rocking" of the connector end-to-end will assist).
    Gentle manipulation of the board upwards will get it out of the box.

    The IC001 will need to be desoldered (I used a desoldering pump plus a fairly large soldering iron, but solderwick would also be fine) and unscrewed from the heatsink.

    I don't think the problem is overheating - I suspect a mains-spike or similar - but if simple replacement of the device gets it working I shall put a temperature probe on it and see if it does get too hot - and increase the size of the heatsink appropriately.

    If enough people want to risk say £7 I'll get a batch of ICs from Nikko and post them on. Since my local serviceman indicates it is a common fault it could be considered to be worthwhile. No guarantees could offered - either with the device or the diagnosis ;-)
    Otherwise I'll buy a couple and let you know how I get on...

    No further response from Panasonic so far.

  • Terry Chips Dec 07, 2006

    No further progress - will order the IC tomorrow.
    The device has 5 pins - the heatsink has 2. I think you could get away with de-soldering the IC pins only, and undoing the single fixing screw to release the IC - will need to wiggle it to break any thin whiskers of remaining solder. The PCB is simple and rugged - any damaged track (unlikely) will be easily repaired.

    Solderwick is cheap - a pump need not be much dearer. Practice is needed for both for best results.
    Practice on an old piece of kit - any old circuit board - and chose a 2-legged component to remove.

    If you use a pump, start by heating the joint you wish to clear with the iron, add a little fresh solder to the joint then add the pump and keep the solder molten for two more seconds then press the pump trigger. A clean hole, you hope.

    If you use solderwick, add solder to the joint as above. Then place the 'wick on the solder, place the iron on the 'wick and wait - a few seconds later the 'wick is hot, the solder melts and is sucked into the 'wick - keep it all together for a couple of extra seconds and then remove the iron and the wick at the same time. A clean hole, you hope.

  • Terry Chips Dec 16, 2006

    Well now - new STRG6353 obtained from Nikko - fitted and....
    IT WORKS!
    Absolutely wonderful. I am so pleased that nothing else had failed when the fuse blew so spectacularly!

    In the photo, note the duff device perched to the side of the new part: absolutely clean, no sign of heatsink compound which I would have thought should be present.
    On the heatsink now you can see some white goo (the heatsink compound) I applied to the join between component and the heatsink.

    Note that the use of a glass fuse as in the picture is not acceptable: - the original was ceramic, and is able to withstand a much higher rupture current. My first replacement fuse did blow quite spectacularly - it could have shattered!
    So - get a ceramic fuse - like I will.

    The circuit board around the STRG6353 is slightly discoloured - so it has run hot in the past. Maybe the compound will help it stay cooler now.

    I'd be pleased to hear of anyone else effecting a fix by replacing this component.

    I have a couple of spare STRG6353 available for disposal.

×

Ad
  • Level 1:

    An expert who has achieved level 1.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 1 Answer

Diagrams/service manual for the DMR-E55 available as download from www.electronicrepair.org.uk

Posted on Nov 11, 2007

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

I have just fixed my E55EB by replacing the STR G6353 purchased from NIKKO and delivered next day. I removed both the 5 pin regulator and its heat-sink. Then removed an aluminum heat-sink from an old power supply unit which was attached to a similar chip. I then modified it by cutting down its legs to stand on the board at the back of the existing heat-sink. This also aligned the holes on them both. I then filed off the burr at the back of the hole on the existing heat-sink and made the hole the same size as the one in the new one. I put thermal paste at the back of the regulator and between the heat-sinks before assembling the unit with a bolt and re-soldering it onto the board.
An electronics book I purchased from Tandy describes the fitting of a regulator and states that both thermal paste and a substantial heat-sink should be used.
Having boxed up the E55EB I put it back under the television, plugged it in and it worked perfectly.
KES

Posted on Sep 07, 2008

  • kesukh Sep 07, 2008




    This shows the added heat-sink

    KES

×

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

My E55 has just developed this exact same fault after nearly 3 years of service! Thanks Chipps for figuring out the cause - I was beginning to wonder whether or not to just tip the thing in the bin as I guessed Panasonic's service organisation would charge an arm and a leg to fix it. I'll be ordering the part from Nikko tomorrow and borrow my old man's solder pump!

Posted on Mar 13, 2007

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

I have had the same problem with the unit powering off while recording. I replaced IC001 and have also added an extra fan to the top of IC001 to disperse the heat off the IC. You can use any computer fan to fix this and just wire it in with the existing fan. Now it works great with no problems at all.

Posted on Mar 01, 2008

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Hi, I wanted to put this as a comment to Solution #1. Thanks to everyone who has suggested the fix for this. I bought a replacement STRG6353 from Nikko (www.dalbani.co.uk) and replaced my IC1 on the power supply and my DMR-E55 DVD Recorder no longer keeps re-booting and going through the self check procedure. This web site is great, to be able to find a solution to my problem. Thanks again.

Posted on Sep 14, 2007

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Hi thanks for the solution to my panasonic DMR-E55 and DMR-E85 dvd recorders. Both with the same blank screen powerdown cycle. I have followed the instuction you have given and Well done! it works a dream! I did the repair myself and desoldered the voltage regulators with the 5 legs off the board. i found it easier to cut the legs off first as the heat from the soldering gun was lost through the component.I also used sevisol heat sink paste. The circuit board did look a little overheated on the Dmr-e85 as the hard drive draws more power i fink.Well done for listing this fix as i have only had both units just over 2 years before the died. Thanks again Jez

Posted on Mar 02, 2007

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Guys, This fix is brilliant!!! Mega kudos to the first person that sussed it out :o) Cured my DMR dubbing and self checking issues. In addition to replacing STRG6353, I've extended the heat sink, using part of a PC blanking plate that sits at right angles to the existing one. Just drilled a hole in the plate and attached using one of the free threaded holes on the heatsink. To improve airflow, I've increased the number of holes near the front of the chassis and added five more to the underside, around the area of the overheating. Four small self adhesive sound proofing pads have slightly raised the height of the unit, improving the airflow on the underside of the unit. Just stuck them on top of the existing 'feet'. It may be noted that I use a Hitachi Deskstar HDD, which is thinner than the original Maxtor. By using four standard screws on the underside HDD mount points, the HDD has been raised from the HDD chassis. This will also allow better airflow (hopefully). Many thanks for all your efforts - it has saved my prized DMR from taking a visit to the local skip! ;-) Though, I did pay £14 (delivered) for the STRG6353 - loose change to get it fixed, I'd say. Wish I'd discovered solder wick years ago! Best Wishes....

Posted on Dec 31, 2006

  • Mr E Jonsen Dec 31, 2006

    Just for clarification. My machine is an E85 - but obviously there's the same issue with this machine and E55. The HDD puts even more strain of the PSU!

×

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

I have the exact same fault. It began last night & the unit is just over two years old!!

Posted on Nov 19, 2006

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I can't power on my dvd recorder dmr-e55


No power light look for a fuse--power light comes on and then goes out look for either a jammed mechanism or a power supply problem.

Apr 22, 2012 | Panasonic DMR-E55 DVD Recorder

1 Answer

Ihave dmr-e55 it records advd for 5 minutes and it goes to self check


1) Press and keep [POWER] button on the unit for more than 10 seconds
to turn off the power of the unit.

2) Unplug power cord and wait for approx. 1 minute.

3) Plug power cord in.

4) The display shows [RECOVER] or [SELF CHECK] and it becomes under
recovery. Wait till the message on display disappears.

*When the unit does not recover after taking above procedures (1 to
4), it is needed to be checked and repaired.

Mar 25, 2010 | Panasonic DMR-E55 DVD Recorder

1 Answer

Self checking


I have had a Panasonic DMR-E85 with this exact same problem you are describing. As I bought a Freeview Dual-tuner PVR I just bought a second-hand DMR-E55 as I liked the Panasonic interface. Two months down the line it is now exhibiting the exact same problems, except now as well as the continual self-check rebooting, it's also refusing to eject the disk. Booo. Time for me to buy a new DVD recorder again, and this time certainly not Panasonic... :(

Dec 04, 2009 | Panasonic DMR-E55 DVD Recorder

1 Answer

Pan. dmr-e85h turned itself on, self-check


Open case and look for failed capacitors, which are cylindrical and will have a bulging top and a yellow/gold substance leaking out. If this is the problem, search for previous solutions that mention "solder capacitor C1260" for the DMR-E85. I had a similar 'no power' problem with my DMR-E55 and my son and I were able to fix it Sunday. Not hard to do and mine is working again!

Aug 05, 2009 | Panasonic DMR-E85H DVD Recorder

2 Answers

Panasonic dmr-e55 won't work, just says "hold" on display


HOLD or X HOLD? If the latter - which is most likely - then the Child Lock has been activated! Press and hold ENTER and RETURN simultaneously until HOLD disappears!

Jan 22, 2009 | Panasonic DMR-E55 DVD Recorder

2 Answers

Will my non finalzied discs play on a panasonic ez 28 or ex 768


You will have no problem playing your non finalized discs on any of the Panasonic DMR range including the DMR EZ28 series. The DMR E55 can also easily be repaired if you can use a soldering iron and a little care. Please checkout my other postings for full repair details.
Cheers...

Oct 08, 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

DMR-E55 DVD Recorder


Hi Liz
The majority of problems with this particular model are associated with the power board. The drive unit is unlikely to be faulty. Do not risk further damage by immediately trying lense cleaning as suggested by some. The lense will very rarely require cleaning.
The power board can be repaired if you have some technical ability. I have posted full instructions on Fixya on how to do this but you would need to be able to use a soldering iron. These are good units that can usually be restored, so it would be a pity to throw it out for such a fault,

Jan 12, 2008 | Panasonic DMR-E55 DVD Recorder

1 Answer

My record change from DMR-E55PL-S (South America model) to DMR-E55P (USA model)


Hi

You can get a special remote controller that has a built in hack that will turn your DMR E55 into a multi region player. In the UK these are available to hire from the following website. You do not need to open your unit, just press a few buttons on the controller.

http://www.multiregionupgrades.co.uk/upgrades/mods/pandiy.htm

Follow the instructions exactly to the letter.

Please note, if you have purchased a new DMR E55, this upgrade may invalidate your guarantee.

Hope this helps

Oct 07, 2006 | Panasonic DMR-E55 DVD Recorder

3 Answers

DVD Recorder works fine for a while then shuts down


You need to replace the Voltage Regulator. Part No STGR 6353. There are several paces to obtain one on the internet. signalsuk.com can supply it for around £12.

Aug 29, 2006 | Panasonic DMR-E55 DVD Recorder

Not finding what you are looking for?
Panasonic DMR-E55 DVD Recorder Logo

2,816 people viewed this question

Ask a Question

Usually answered in minutes!

Top Panasonic Televison & Video Experts

 Grubhead
Grubhead

Level 3 Expert

5449 Answers

Demonic-2011
Demonic-2011

Level 3 Expert

508 Answers

The Knight
The Knight

Level 3 Expert

75424 Answers

Are you a Panasonic Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...