Question about JVC HX-D7 DVD Compact Stereo Audio / Video System with 5 DVD Changer Shelf System

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"PROTECT" message when I push the ON button it powers up and checks "Status." After that it shows "PROTECT", then it shuts down snd goes into "Demo Mode."

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I've got a jvc hx-d7 i am working on for a friend, he had it repaired once at a shop with this same problem, they replaced two 42v 2200mf caps. and one A1273 this solved the problem for 8months now its doing it again. I am trying to locate the A1273 to repair it again. Hope this helps.

Posted on Jan 08, 2008

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Posted on Jan 02, 2017

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MY SONY HBD-DZ810 HOME THEATER IS CONSTANTLY SHOWING PUSH POWER PROTECTOR


The "PROTECT" and "PUSH POWER" messages will flash alternately when the protective device of the amplifier has been activated because a strong signal was input, or if there is a short-circuit detected. Press the POWER button on the unit to turn off the system, and check the following items after "STANDBY" disappears.

1) Are the + and - speaker cords short-circuited?
2) Are you using only the specified speakers?.
3) Is anything blocking the ventilation holes of the system?

You may also refer to the following link for additional troubleshooting steps.

PROTECT and PUSH POWER flash alternately on the amplifier screen

Dec 20, 2012 | Sony DAV-HDX500 System

1 Answer

Hi - I just moved and when I hooked up my 2003 Panasonic SC-AK100, it stays in 'demo' mode and won't shut off completely...after showing "goodbye" and apparently shutting off, it comes back on...


http://www.retrevo.com/support/Panasonic-SC-AK100-manual/id/356ag917/t/2/

Page 12:

A demonstration of the display is shown if you have not set the clock.

You can reduce the power consumed in standby mode by turning it

off.

During standby mode

Hold down ['square icon'/-DEMO] until "NO DEMO" is displayed.

Every time you hold down the button:

NO DEMO (off)↔DEMO ON (on)

To show a demonstration of the display
Hold down ['square icon'/-DEMO] until "DEMO ON" is displayed.

Jan 16, 2011 | Panasonic SC-AK100 CD Shelf System

2 Answers

My rca m4304-A mp3 player says profiling requires 20mb free space shutting down and then when i try to hook it up to the computer it will not show that it is hooked to the computer and goes off


Restoring RCA M4304A Recorder Firmware

Symtom: recorder shows OPAL splash screen, then shows "profiling requires20mb of free space, shutting down" and then shuts down. Recorder cannot be accessed by windows or the RCA easyrip software.

Solution: Use the firmware update found here: http://www.voxxsupport.com/images/downloads/OPAL_066F_85A4_85A5_0_1140_SIG.EXE

This update needs to be ran on an xp computer running 32 bitOS. It was tested in a Win 7 64bitmachine and proven to not work.


Necessary steps taken to get the firmware to properlyrestore were as follows:

1. Hold in the power (menu) button for 10 seconds(the splash screen will show and it will give the error message, ignore it)

2. While still holding the power button, press theplay/pause button and hold down.

3. Release the power button while still holdingdown the play/pause button and wait 5 seconds.

4. While still holding the play/pause button plugin the usb cable to the recorder. Continue to hold the play/pause button foranother 5 seconds after plugging the cable in.

5. Release the play pause button then launch theEXE for the firmware update. Minimize the instruction screen so you can see thefull update screen.

6. Leave the format checkbox checked (check it ifit isn't checked) formatting is crucial to this working.

7. Once the status in the update window changesfrom initializing to ready click start to update the recorder. It will go through formatting, then updating.

8. Once the status shows complete disconnect therecorder and with any luck the recorder is usable again. The media files will obviously have to bereloaded, but the recording is functional at least.

Sep 21, 2010 | RCA M4204 MP3 Player

3 Answers

Sony MHC 881 -How do I get out of Demo Mode?


Press the Display/Demo button. The power cord needs to be plugged in, but the power must be OFF.

Sep 01, 2009 | Sony MHC-881 Shelf System

3 Answers

"Protector" error


I had a similar problem and went to Sony tech support.

Seemed my disc got stuck somehow...

Try reseting the system by holding the STOP and the EJECT and the POWER buttons together...
It should go to demo mode....

Then try PLAY to see if you can get the system to read teh disc...
then EJECT...

It took me several trys of doing this but it did work....on the 3rd try.

Aug 03, 2009 | Sony DAVHDX265 System

1 Answer

Sony LBT W5000


According to Page 46 of the LBT-W5000 Operating Instructions:
"The display stars flashing as soon as you plug in the power cord even though you haven't turned on the system (demonstration mode).
Press DISPLAY (for LBT-W5000 / W300 / XB700 / XB500) or DEMO (STANDBY) (for other models) while the system is off. If the system is in the Power Saving mode, press POWER SAVE / DEMO (STANDBY) (for LBT-W5000 / W300 / XB700 / XB500). The demonstration appears automatically the first time you plug in the power cord, or if there is a power outage lasting longer than half a day."
I tested this today, as my LBT-W5000 was in Demonstration Mode. It definitely works. The only catch is (at least on the W5000), and it's a minor one, you have to reset your clock afterwards.

May 29, 2009 | Sony LBT-W5000 Shelf System

1 Answer

'standby' mode and akb error number


AKB 66 in self diagnostic test means...TV goes to standby (shut-off) for AKB problem 66 times. AKB is White-Balance signal and it is not proper or maintained in your TV. So error signal produced and TV goes to shut-down state.
Regardnig Standby button, its available on remote only. If you push TV Power switch, TV will switch ON, push it again to OFF TV. Power Button on remote set TV in standby status and you dont need to push power button of TV itself.

Aug 14, 2008 | Sony KP-53HS10 TV

3 Answers

KDC-X591 Demo Mode & Remote Steering Harness


instructions i was trying to figure out the same thing in my brothers car and i came to this site the two answers before mine were both right and wrong, they needed to be combined and modified a tic. but i just got my brothers kdc x591 and this is how hit source button till standby mode is on, press menu then use the control knob the right one thats not the volume, to select demo mode press the 1 button then menu and voila

Dec 31, 2007 | Kenwood KDC-X591 CD Player

1 Answer

Can't get it out of Demo mode


hi sir,

 

if all the buttons dont work when pressing it, maybe there is a lost connection of the buttons or buttons are shorted. try to check it out...

 

hope it can help...

Oct 13, 2007 | Sony STR-DE845 Receiver

1 Answer

Sony LBT W5000


when the hi-fi is off and there is the sony demo push "display" on your remote.. yep yep. peace

Oct 06, 2007 | Sony LBT-W5000 Shelf System

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