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I HAVE A SONY LBT-D305 HI-FI STEREO SYSTEM. THE STEREO HAS POWER BUT THERE IS A HUMMING NOISE. ALSO THE SOURCE BUTTON I.E. CD, TUNER AND THE EQUALISER BUTTONS DON'T WORK.HOW CAN I REPAIR THIS?

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5 Suggested Answers

robotek
  • 1512 Answers

SOURCE: p-301 onkyo pre-amp

Hi juicer, If you use the switched outlet, then everything will be turned on/off when you operate the preamp power switch. Use the unswitched, then you have to turn off each unit separately. You choose which one you want. It wont matter.

What connection do you intend to use to connect the LBT zx6 to the Onkyo preamp??

Posted on Mar 22, 2008

SOURCE: Sony Mini Hi-Fi Component System (MHC-RG660)

I understand the problem. It should be the relay which is not responding, technically not able to connect the system power supply, you will have to replace the relay. The STK chip should be working fine.

Posted on Oct 24, 2008

  • 336 Answers

SOURCE: My Sony LBT- LX30 stereo

You probably have a blown amp ic or the output transistors. But disconnect the speakers and turn it on could be a bad speaker if it turns on.

Posted on Jan 12, 2009

  • 1 Answer

SOURCE: 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.

Posted on Aug 05, 2009

  • 1 Answer

SOURCE: sony lbt v702 hifi system stack

i have a sony stack system i had put away for a couple of years, i have now put it back together, but when i wire both speakers up, the sound go s to a point then cuts out, whith a mesage on the front saying protect, it i take one speaker off! nothing happens, can any one help please?
thak you for your time.
Steve.

Posted on Jan 26, 2010

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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.

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hi, everytime i switch on my sony hi fi it the display screen says protect push power. It won't let me do anything not even put cd's in. If you could help that would be very much appreciated.

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P-301 onkyo pre-amp


Hi juicer, If you use the switched outlet, then everything will be turned on/off when you operate the preamp power switch. Use the unswitched, then you have to turn off each unit separately. You choose which one you want. It wont matter.

What connection do you intend to use to connect the LBT zx6 to the Onkyo preamp??

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