Question about Panasonic DMR-EX85EB-S DVD Recorder/HDD Recorder

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Panasonic dmr-ex85eb error code u81? - Panasonic DMR-EX85EB-S DVD Recorder/HDD Recorder

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  • Anonymous May 21, 2009

    Error code U81 appears on display and unit not functioning at all

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Here is the information for customer service help at www. Panasonic USA. Customer Services Directory
Obtain Product Information and Operating Assistance; locate your nearest Dealer or Servicenter; purchase Parts and
Accessories; or make Customer Service and Literature requests by visiting our Web Site at:
http://www.panasonic.com/support
or, contact us via the web at:
http://www.panasonic.com/contactinfo
You may also contact us directly at:
1-800-211-PANA (7262),
Monday-Friday 9 am-9 pm; Saturday-Sunday 10 am-7 pm, EST.
For hearing or speech impaired TTY users, TTY : 1-877-833-8855
Accessory Purchases
Purchase Parts, Accessories and Instruction Books online for all Panasonic Products by visiting our Web Site at:
http://www.pasc.panasonic.com
or, send your request by E-mail to:
npcparts@panasonic.com
You may also contact us directly at:
1-800-332-5368 (Phone) 1-800-237-9080 (Fax Only) (Monday – Friday 9 am to 8 pm, EST.)
Panasonic Services Company
20421 84th Avenue South, Kent, WA 98032
(We Accept Visa, MasterCard, Discover Card, American Express, and Personal Checks) I hope this helps you with your problem.

Posted on May 19, 2009

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Dmr-ex85 shows u81 code and is not functioning at all, says please wait but eventually just goes onto error code. no buttons will function?


Physically unplug power from the unit for a minute or two.
Connect power cord to unit and Simultaneously Press & Hold
both the [STOP] and Channel UP [^] for 5 seconds. This will
force Eject the DVD tray. Remove any disc if present.
Cycle the power again if necessary and wait for the unit to
go through its self check cycle. If after several attempts, and
you continue to get this error, then your Ram drive may need
to be replaced.

Jul 12, 2011 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

U81 error up Do I have to take it to a electrical repairer or is there anything i can do ?


I posted a suggestion a couple of months ago about a similar Panasonic DVD recorder (model DMR-EX78EB) with this exact problem:

This is one of several error codes generated by the main microprocessor IC which are tripped by corruption, preventing proper operation and which may require the processor to be reset (where practical) or replaced.

The U81 and U80 codes don't mean anything in particular because the corruption error(s) could be caused by a number of different reasons. It does not point to any specific one fault. This is where the confusion sets in as to the origin of the 'error codes' in any device.

U81 means (in technical terms) 'microprocessor communication malfunction' on the universal asynchronous receiver/transmitter' or 'microprocessor feedback information error'.

This is not something the user should undertake to repair themselves; it should really go to an authorised Panasonic repair centre. The cost depends on the parts used and the labour, however, it is not unfixable. You can always get a quote on this and a second opinion, then decide for yourself if it is economical or not.

The DMR-EX series of models are prone to U81 - which is a common (and extremely irritating) error code. As I said, it is not unfixable, if you are prepared to spend a fair amount of money on the repairs by a qualified service technician in a fully equipped workshop with access to all the required components and service manuals.

Certainly worth investigating at least; and you should not need to purchase a new unit. Go with the quote first - then decide on a further course of action.

May 24, 2011 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

DVD recorder DMR-EX78EB - Keeps showinf error message 'U81' on display. This means that it does not perform set recordings. What causes this please and how can we fix it as I am fed up with finding...


This is one of several error codes generated by the main microprocessor IC which are tripped by corruption, preventing proper operation and which may require the processor to be reset (where practical) or replaced.

The U81 and U80 codes don't mean anything in particular because the corruption error(s) could be caused by a number of different reasons. It does not point to any specific one fault. This is where the confusion sets in as to the origin of the 'error codes' in any device.

U81 means (in technical terms) 'microprocessor communication malfunction' on the universal asynchronous receiver/transmitter' or 'microprocessor feedback information error'.

This is not something the user should undertake to repair themselves; it should really go to an authorised Panasonic repair centre. The cost depends on the parts used and the labour, however, it is not unfixable. You can always get a quote on this and a second opinion, then decide for yourself if it is economical or not.

I posted this 'advice' for this (and a similar) model previously. The DMR-EX series of models are prone to U81 - which is a common (and extremely irritating) error code. As I said, it is not unfixable, if you are prepared to spend a fair amount of money on the repairs by a qualified service technician in a fully equipped workshop with access to all the required components and service manuals.

Certainly worth investigating at least.




Mar 24, 2011 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

My DMR EX75EB it fails to operate and a code of U81 comes up.


This is one of several error codes generated by the main microprocessor IC which are tripped by corruption, preventing proper operation and which may require the processor to be reset (where practical) or replaced.

The U81 and U80 codes don't mean anything in particular because the corruption error could be caused by a number of different reasons. It does not point to any specific one fault. This is where the confusion sets in as to the origin of the 'error code' in any device.

U81 means (in technical terms) 'microprocessor communication malfunction' on the universal asynchronous receiver/transmitter' or 'microprocessor feedback information error'.

This is not something the user should undertake to repair themselves; it should really go to an authorised Panasonic repair centre. The cost depends on the parts used and the labour, however, it is not unfixable. You can always get a quote on this and a second opinion, then decide for yourself if it is economical or not.

I posted this 'advice' for this model previously. The DMR-EX75 and DMR-EX85 are prone to U81 - which is a common error code.

Mar 14, 2011 | Panasonic DMR-EX75EB-S DVD Recorder/HDD...

1 Answer

AFFICHAGE U81 panasonic DMR 85


Check that C1801 is not leaky. If so, check if IC1801 has blown. If it has blown, it will also need to be replaced.


Usually it's only C1801 leaky, replace it and thats it.


You can find the capacitor on the main board, under the digital board that has ribbon cables going to the dvd drive.

Hope this helps.

Mar 02, 2011 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

TENGO EL ERROR U81 EL DVD RECORDER DMR-EX85


Tienes que comprobar que el condensador C1801 no se haya hinchado o tenga fugas.

Si es así, comprueba tambiñen que el IC1801 no haya rebentado, usa una lupa.

Cambia el condensador y el circuito integrado si ha rebentado.


Normalmente con cambiar el condensador se soluciona el problema.


El condensador está en la placa principal, justo debajo de la placa digital, la que tiene los cables planos que van a la unidad dvd.


Espero que te sea de ayuda.

Feb 15, 2011 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

After connecting a new TV samsung 37C6000, my trhee year old panasonic dmr-ex85 shows the U81 error and doesnt tune the tdt channels nor works properly. What can I do?


Check that C1801 is not leaky. If so, check if IC1801 has blown. If it has blown, it will also need to be replaced.


Usually it's only C1801 leaky, replace it and thats it.


You can find the capacitor on the main board, under the digital board that has ribbon cables going to the dvd drive.

Hope this helps.

Jan 29, 2011 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

Panasonic dmr ex85 u81 what does i do please how to do an hard reset for the device please


Hard reset won't solve your problem.


Check that C1801 is not leaky. If so, check if IC1801 has blown. If it has blown, it will also need to be replaced.


Usually it's only C1801 leaky, replace it and thats it.


You can find the capacitor on the main board, under the digital board that has ribbon cables going to the dvd drive.

Hope this helps.

Nov 14, 2010 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

DMR-EX85 U81 error fix..help..


NEED DVD UNIT ASSY REPLACED
VXY1814 DVD RAM DRIVE 437.53

Aug 17, 2009 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

1 Answer

Panasonic DMR-EX85 code error U81


You will need to call Panasonic customer support for more information on this problem. here is their contact information. Accessories; or make Customer Service and Literature requests by visiting our Web Site at: http://www.panasonic.com/support or, contact us via the web at: http://www.panasonic.com/contactinfo You may also contact us directly at: 1-800-211-PANA (7262), Monday-Friday 9 am-9 pm; Saturday-Sunday 10 am-7 pm, EST. For hearing or speech impaired TTY users, TTY : 1-877-833-8855 Accessory Purchases Purchase Parts, Accessories and Instruction Books online for all Panasonic Products by visiting our Web Site at: http://www.pasc.panasonic.com or, send your request by E-mail to: npcparts@panasonic.com You may also contact us directly at: 1-800-332-5368 (Phone) 1-800-237-9080 (Fax Only) (Monday ? Friday 9 am to 8 pm, EST.) Panasonic Services Company 20421 84th Avenue South, Kent, WA 98032 (We Accept Visa, MasterCard, Discover Card, American Express, and Personal Checks) I hope this helps you with your problem.

May 21, 2009 | Panasonic DMR-EX85EB-S DVD Recorder/HDD...

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