Protect function when the unit is powered on protect shows in display and power itself off.

Does the display show you are in protect mode , or is a light indicating that? The unit automatically switches to standby when the
"Hardware" - "Power Management" - "Auto Standby"
setting in the Setup menu functions are set. The protective circuit function may have been activated.
If this has occurred, "AMP Diag Mode" appears on the
display when the unit is turned on again, and the unit
enters diagnostic mode. If the results of the diagnosis is
that there is no problem, the "AMP Diag Mode" display
disappears and you can use the unit normally again. If
"CHECK SP WIRE" appears on the display, the speaker
cables may be short-circuited. Make sure bare speaker
wires are not touching each other or the back panel of
the unit, then turn the unit on again. If "NG" is displayed,
immediately unplug the power cord from the wall outlet
and contact your dealer.
• The protective circuit function may have been activated
because the temperature of the unit rose abnormally.
If this happens, then the power will continue to turn off
after you have turned the unit on again. Make sure the
unit has plenty of space for ventilation around it, wait for
the unit to cool down sufficiently, and then try turning it
on again. This is out of your users manual.

General suggestions are to remove all speakers and speaker wiring with unit off. Turn on and see if problem has stopped. If not, let unit cool down if warm and try again later. If problem is still there it needs repair shop work. I fht problem went away, shut off power and connect one speaker at a time and testing. Keep adding speakers one at a time with power off and see if a bad speaker or wire set can be located

Simultaneously press the [CHANNEL UP] and [CHANNEL DOWN] buttons on the front of the DVD Recorder for approximately 10 - 15 seconds (until the unit powers off).

Disconnect the wall outlet. Wait for 10 minutes. Then power up.

It this still does not help....and If you are capable of taking the risk check out DMR-EZ47 Firmware Installation Instructions
Panasonic DMR EZ47 Installation Instructions Manual

Familiarize yourself with all the steps and especially the page 7,8 before you attempt this,

The DVR unit still have power and display functions on the DVR small LED screen indicator on the DVR unit correct?And the DVR unit have not been in used for awhile and alway been plug in the power outlet for power like 24/7 hrs for power correct?Yes to all these questions,possible the DVR unit have software lockup or power glities some where before,possible the DVR unit have lockup and looping the software firmware of DVR unit not responding correctly for to the DVR unit to work or responding to any screen display functions.Tries unplugging the DVR unit for like about an hour and plugging power it back in for the DVR unit for the software to reboot itself.90 to 95% the unit will work again as u first got the DVR unit.

If the protect function works and causes hindrance to trouble shoot, cancel the protection function as described below, and it will be possible to enter the self-diagnostic function mode. (The protection functions other than the excess current dtect function will be disabled.)

While pressing the "Tone Control" and "Info" keys, press the "Power" key to turn on the power and keep pressing those 2 keys for 3 seconds longer.

The seld-diagnostic function mode is activated with the protection functions disabled.

In this mode, the "Sleep" segment of the Flourescent Display flashes to indicate that the mode is self-diagnostic function mode with the protection functions disabled.

Caution!!!! Usiong this product with the protection function disabled may cause further damage to your unit, so use special care when using this mode.

Hello
Check the connection to speaker with this amp, for any short or any other fault. disconnect the outputs, ie, speakers from the amp, and switch it On, and see the protect display comes or not. If it comes, the fault is internal and the set need service.
Your M3 dual Mono integrated amp, is of high output power and its outputs are protected against any overload or short circuit. If the system detect any among this condition specified above, it will show protect mode display.
Never load this amp, as protection display is there, as it may damage the speaker or its internal power amplifier section circuits, may cause more money to get it repaired. OK.

Sounds like you have either a short in your speaker wire somewhere, wires touching in the back of the unit or a short inside the stereo itself... Try pulling the radio out and unhooking all of your speakers...Turn unit back on after all speakers are disconected...If unit still shows protect, then radio is bad...If it doesnt, power off and hook up speakers one by one and power it back on till it shows protect again....When it does, the last speaker wire you hooked up has either a crossed wire or the speaker is bad...

Protect is an indication that one of the output amplifiers is shorted. The unit turns itself off to avoid burning more components. I'd recommend taking it in to a repair facility for replacement of the blown output amp.

Hi,

Take every single cable out of the unit, now power on the unit.

If the power protection still shows then there is an internal fault, usually a short or a component defect.

If it powers on ok, switch off and insert 1 speaker at a time and power on the unit until the protection mode comes on again, the last speaker you have put in has overloaded it for some reason, also as you are trying each speaker use the volume and bass controls to see if there is an internal overload.

Thats as much as I can offer you until you narrow the fault down to the unit or one of the speakers.

Cheers

Try this :
If your VCR malfunctions, try the following steps prior to contacting your Mitsubishi Dealer:
1 Check the Trouble Checks below to see if there is a solution to the current problem that you are
experiencing.
2 If the problem is not addressed on the Trouble Checks, the safety circuits in the VCR may be in
operation, thus please try the following: (the clock setting and the timer recording will be deleted.)
1 If possible, press EJECT on the front panel and remove the tape.
2 Press TIMER RESET on the rear panel with a pencil or a ball point pen.
3 If a tape is not loaded, press POWER to turn the power on. If a tape is loaded, wait about 1 minute
until the tape protecting function is completed, then press POWER.
3 You may also try the following procedure if the above steps did not resolve the problem (All settings will
be reset to the default settings.).
1 Press POWER on the front panel continuously for about 8 seconds until the current time display on
the front panel shows "- : - -."
2 If a tape is not loaded, press POWER to turn the power on. If a tape is loaded, the tape protecting
function will work and "99" will appear on the front panel display to begin count down. Wait about 1
minute until it reaches "00" to show the tape protecting function is completed, then press POWER.
If the problem with your VCR persists, contact your Mitsubishi dealer for assistance.

Im looking for error codes.

Replace the Digital board