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I had the same trouble to reset this machine into factory setting and finally, I found out. Let's do this way. - Leave your remote away as you won't need it - Turn off the the unit to STANDBY mode - Press and hold STRAIGHT button on the unit and press Power button while you are holding it. This will turn on the machine. - Once the machine turns on, press PROGRAM to select the items on LCD display until it shows INIT **** CANCEL - Press STRAIGHT button until it shows INIT **** ALL - Press Power to turn off the machine. - Leave it for 2 sec. then turn on the machine again. Now your unit turns to factory default setting.
I had the same problem with my U-verse s10-10 remote and a yamaha SR 300 soundbar. Here is how I got my volume control (but NOT power control) on the yamaha working:
First - always send volume control to the AUX button: Press and hold AT&T key and OK for 1 second, release, look for 2 flashes. Now press AUX button. The AUX button will show a long flash.
Second - Go through the manual programing steps listed in the guide for the AUX button (hold AUX and OK for 1 second, release; 2 flashes, punch in code). But instead of pressing the Power button to try to turn off your yamaha soundbar, press the volume up / down and Mute button. I think the code that worked for me was 4045 but I honestly don't remember.
The key is that you have to send the volume control to the AUX button first or it's all a wash.
The clicking sound is a bad power inverter. I have seen this several times. The power inverter aka power supply, power converter. If you can get a voltmeter then you can test it. See how much is going from the power inverter to the main circuit board. Another possible cause would be a faulty self-protection circuit that these have to keep from the system overloading it goes into protect mode when there is to much volume frequency.
you should check the voltage of "O-POWER" on main board (PCB Front and side), and stress "STD-BY" there should be 5 volts when the power button is turned on. if no response, the damage was in power system regulators or the EEPROM IC with the code "D780228GF" or D780226GF ". you have to replace the IC or other parts in the regulator. transistors and diodes.
The click you hear is the power relay. Normally that would be followed by amother click of the speaker relay. In this case, the output section is in protect mode because of a fault detected. This will prevent the speaker relay from turning on the speakers. This amp will require repair. I don't recall your specific model, but if it has discrete transistors, expect a parts cost in the $20 range. If it has a single output amp pac, then the part could be in the $65 range. Add in the local labor rate for the complete repair cost.
There could be a number of reasons causing this malfunction, try replacing the subwoofer's cord, it might be damaged, you can also try reseting the system to the factory settings according to the following instructions:
1. Press the power button to turn off the power
2. Press the power button while pressing the ENTER button. (note: this will reset all memory)