This article is meant to help you if you are getting the u81 Panasonic dmr-ex75eb error.

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What are some common U80 and U81 error messages on some Panasonic DVD players? The displayed U80 or U81 is the absolute self-diagnosis error code, this requires the consultation of an authorized Panasonic repair agent. It can also indicate a bad signal.

The displayed U80 and / or possibly U81 is definitely a self-diagnostic code, this will definitely require the attention of a Panasonic authorized service agent. But it can also indicate a weak signal. If there is usually noise in the data outline due to weak signal when downloading EPG, the unit may display error codes U80 through U81.

1. This includes removing the critical board as IC1508 is located just below the board.

Disassembly
In the case of removing the motherboard, things are not much worse. BeholdThe quick guide contains brief information and facts:

1a. Remove the top cover (three screws at the back, one on each side).

1b. Detachable front panel (two plastic tabs on the side and three on the bottom. Be careful not to break!)

1 C. Remove the specific HDMI output card. The collection of tapes enters the digital computer via a simple plug connection. Pull gently (make sure they are parallel when reinstalling).

1d. Remove SD card. Two screws and one more ribbon cable.

1st. Remove the back cover (5 screws, most of which are already removed for the HDMI card, plus two smaller screws for the printer). Leave the fan screws in place and instead separate the fan tray from the power board. There should be two metal tabs holding the tray together to return it to the tray position — one on each side.

1f. Remove the power board. Carefully remove the busbar connector (it is rigid) completely from the power board and unscrew the 3 fixing screws. Remember, there can still be unpleasant stress!

1gr. Remove the powerful hard disk drive (HDD). Disconnect the hard drive power cable from the motherboard and remove the four machine screws that go through the motherboard.

1h Remove the digital board (it’s like the green motherboard on the left behind the hard drive). I still haven’t uninstalled it completely. I loosened the cable leading to the hard drive, removed the screws (only mine, three out of four are present). I then discreetly pieced it together from the back (it has multiple forked connections below). When all was clear, I carefully flipped it over onto the DVD player so I didn’t have to unplug the three alternative ribbon cables.

1 year. Remove the frame from the person’s digital media card. It’s really exhausting. One type of screw is used for the entire DVD player, and once this mess is removed, the frame should be carefully pulled under the DVD player bracket.

1 to. Remove the circuit breaker board. This long and thin PCB is attached to the motherboard with a soldered wire (do not solder it). Remove the screw carefully and slidethe card further along the metal tabs to loosen it. See the situation in step 1i.

1L. I often attached other components (tuner, etc.) to the motherboard. The motherboard is removed by loosening the remaining screws (almost all screws are “hidden” horizontally only by the phono slots on the front panel – see the image below).

1m. Remove the board and carefully turn it over on a suitable, suitable surface (I used a good anti-static mat).

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Hello everyone

Does anyone know what the reverse error code U81 means and how to fix it?

I went back from a backpacker the other day to find a car that displayed a U81 and was registered, as opposed to the only item I posted it for!

Panasonic Tech Sustain just provided me with the usual solution, but I really don’t want to submit a sample.Well, if it’s something simple. Why don’t they tell you what the error code really means?

Thanks in advance! Alt = “: confused:”

Does anyone understand or know how to approach the U81 error and how to fix it?

Another time when I was returning from vacation, I found that my device was showing U81 and not registering the 60 minute item for which I had set this item!

Panasonic tech support gave everyone their usual answer, but I really don’t want to send it back if it’s something simple. Why don’t you often say what the error code really means?

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