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How to remove protect from my cd receiver display, model HCD-EC99i?

The display lights up and shows protect but the set won't switch on. When I press the start button, the display remains lighted but is now blank

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When the protect indicator comes on, usually a power transistor has blown. The unit needs to be taken to a repair shop.

Posted on May 04, 2017

Testimonial: "By a method of trial and error, I have solved the problem. I disconnected the CD Deck from the control circuit and the set started to function normal again. I'll now have to troubleshoot the deck itself to find the fault."

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Posted on Jan 02, 2017

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2 Answers

Sony hcd-ec99i i have no sound from the speakers at all. I am not getting the protect message. please help


Check the simple stuff first

Is it muted?

Is the source selected sending signal (radio staion broadcasting, cd playing, ipod all the way ect)

Try doing some basic troubleshooting like,

see if all sources available yield the same result (TV, Radio, CD, Ipod, Aux jack)

When you turn the volume all the way up, do you hear an audible hiss from the speakers?(or use a test tone) If so, your amp is working and the problem is, your unit is not sending any signal to it.

If possible hook up your speakers to another system to rule them out, however I doubt that is your problem.

Here is sony's recommendation and a review video

Let me know what you get

SONY eSupport How to troubleshoot if there is no sound or intermittent...





If you need further help, I’m available over the phone at https://www.6ya.com/expert/gregg_27a4d257e54e7920

Feb 03, 2014 | Audio Players & Recorders

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I know Ashish you fixed it but which transistor was it? Can you please let me know as i have the exact same problem....

Jan 05, 2014 | Audio Players & Recorders

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My Sony HCD-EC909iP receiver won't turn on and the


Usually that is caused by a bad amp IC. Normally on this model, you would just replace the entire main pcb.

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My dell computer says PXE-E53, on RealTek PCIe FE Family Controller Seriies V1.19: No boot filename received and then says no operating system found


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8865.bios-n50501.png
select cd dvd or hard drive to first boot .set network as lower than hard drive.dell-bios-uefi.jpg

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I have a Sony CD/tape player model # HCD-NE3. When trying to read a CD - it says NO DISC. What should I do?


Typically a no disc display indicated dust on the optical unit ( lens ) or failure due to low laser beam emission. For the first case you have to remove the top cover and clean the lens very gently with a ear bud. The the cleaning does not solve your problem you have to replace the optical unit itself. Unless you have experience doing the above i won't recommend it. Replacement will cost you about 15$ plus labor.

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1 Answer

Sony home theater model no hcd-dz570 push power protect error on display what,s solution?


Check the speaker connection. One of them has a shortcircuit. Try to disconect all of them and power on the device. See what is happen. If starts corectly check the speaker cable. Conect one by one and power up the receiver after each connection. When you get the error again check the last conected cable. These receivers have a protection system against shortcircuits. That is puting your device in that error.

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I have Sony HCD-RG290. It is telling mechanical error when i want to change cd or listen cd or open the cd-box. It gave once that error and i went to repair with it and the man said that it is really small...


I have a SONY compact disk deck receiver
model no / HCD-RG290.
Whenever i switch it on it comes on then automacticaly switches itself back to standby mode & dont know why, can you help?
my e-mail is Mark.mcevoy@hotmail.co.uk

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1 Answer

Just bought refirb. Onkyo 805, hooked up front l&r plus sub and getting no sound. I set up am and fm as per manual and connected a cd changer thru the cd in via rca cables. Radio shows a signal but no...


After few sec when you turn on your receiver did you hear a click noise ? if yes your receiver is OK not in protection mode if no click noise is output protection in that case you must return where did you buy for service and update firmware a lot of update
However you can reset your receiver and debug the DSP section ( digital signal processor ) as follow
To reset
1. Press and hold down VCR/DVR button, then press STANDBY/ON button when the unit is Power on.
2. After " Clear " is displayed, the preset memory and each mode stored in the memory are initialized and will
return to the factory settings, and turn to Standby mode.
Now turn back on and check if it work or not and make sure check input mode such as analog or coaxial or optical input if stil no sound then debug DSP as follow
To set in DSP debug mode
1. Press and hold down DISPLAY button, then press STANDBY/ON button while the unit is powered ON.
The version number of m icroprocessor is displayed only for 3 seconds.
Main:
8 1.05/07903A
2. Press TONE+ button within 3 seconds above, the version number of 1st DSP is displayed.
DSP 1st:
SR8051:07601A
3. Press DISPLAY button while the 1st DSP version is displayed. The status of DSP and DIR will be displayed.
E1A48K0N/0FFPo
FFFFFF0 0 000
To exit
Press STANDBY/ON button.
Then unplug the unit for 30 sec then plug in it should work now if not you need to return it to 1 of the service center Onkyo in your town to repair it
Good luck

Nov 30, 2008 | Onkyo Audio Players & Recorders

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Sony hcd-va550. when switched to cd the display reads initial.


sony hcd-va550. when switched to cd the display reads initial.

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