Question about Sharp XL-ES50 CD Shelf System

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Power protect when ever i turn on my mini-component.... it will turn on for 5 sec. and it will play. instead it says - TURN OFF POWER PROTECT. Can you please help me to trouble shoot what part have to be replace. thank you.

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  • wardsville Sep 26, 2008

    XD-A5 is my stereo that keeps going into protect mode. Does anyone know a solution?

  • saxiaq Oct 26, 2008

    I have the sharp CD-BA1700 with the same problem can you please help me to identify what is wrong. Thanks

  • candjwood Mar 03, 2009

    Whenever I try to play my CD's, the unit shuts off and the word "Protect" shows up on the screen. I have tried everything to no avail. Please help.

    Carolyn Wood

    candjwood@roadrunner.com

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  • 4,234 Answers

The protect mesage indicates a problem with the final stage of the output amplifier. The unit shuts down to prevent further damage. Please update this with the make and model and I should be able to point you to the problem part(s).
Thanks,
Dan

Posted on May 29, 2008

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2 Answers

Hello.. I have Sony MHCEX500 MINI HIFI Component system. There is a problem of PUSH POWER PROTECT. How can I fix it..????


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?

Apr 12, 2016 | Sony Audio Players & Recorders

1 Answer

Monitor show " Protect " can't do anything.


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.

May 04, 2009 | Sony STR-DE335 Receiver

1 Answer

"protect" on the screen


Protect mode will kicking whenever a fault is detected.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Jan 18, 2009 | Samsung 650W 5.1-Channel Home Theater...

2 Answers

Protect light


Protect means that an internal error, as a blown component, a short , or a wrong voltage had been detected.

Try unplugging the unot from all cables, including power cord, for ten minutes. If the unit is still on protection after restart, then you need to have the receiver taken apart and inspected by a technician.

Jan 05, 2009 | Sony STR-DE875 Receiver

1 Answer

Turns on and turns off.


Good Day;

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR LEAKY C9A60 470 PF 1000 V PART # 154P400030, PARALLEL TO D9A57 ON THE POWER PCB. 2. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. OR your TV has "COOLANT" (ethylene glycol) on the circuit boards. This fluid comes from the CRT's (picture tube) this fluid is used to keep the CRT's cool, such the name. This fluid from the CRT's leak when TV is on for long periods of time, the chamber expands and the seals leak.

One can remove this fluid by using "acetone" & small brush. The fluid is hard to see, use bright light, they spots can be smaller then a DIME. Also, the fluid can corrode the parts and traces on the boards. To protect the TV in future place heavy plastic or thick cardboard over affective area, make sure TV has proper air flow around TV. Good Luck, big IRISH.

Sep 05, 2008 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Tv mitsubishi ws-65315 doesnt turn on,only green light


Good Day, cutito35; 1. This model is equipped with a keyboard lock feature; this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds. 2. (Power LED may be on after plug in) check for no less than 4.4 volts DC at pin 3 of PC9A21 on the Power PCB, if low or missing replace PC9A21 part # 268P058020. 2.This model is also equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. Shutdown at power with self diagnosis error 2-2. Check for open fuses F9A04 and F9A05 part # 283P144080 on the +24 and -24 volt lines. If the fuses are open the convergence output circuit would be suspect. 2. Shutdown at power with self diagnosis error 2-1. At power on check for 12-volts DC at connector KH pin 8, if missing check IC9C51 part # 270P990010 and L9C52 part # 441D009020 on the Signal PCB. Good Luck, big IRISH.

Aug 29, 2008 | Mitsubishi WS-65315 65" Rear Projection...

1 Answer

Vs-50609


Good Day, checho3435;

Look for fluid on the PCB's or check these items:

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source). Good Luck, big IRISH>

Jul 30, 2008 | Mitsubishi WS-55807 TV

2 Answers

Crunch GP 3000 D Pro


It's very likely that the output transistors have failed in the amp. They will need to be replaced.

Jun 14, 2008 | Crunch Drive V-600 Car Audio Amplifier

1 Answer

Says Protect on the screen when i plug it in


Most likely cause could be a blown power amp IC. The part number is STK402-040.

Nov 06, 2007 | Sharp Multi-System Mini Component System...

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