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This unit is practically brand new, has no dust nor dings nor damage on the unit anywhere, not even a scratch, but I haven't been able to get the unit to power on. Power cord is connected. The switch on the unit sounds like the others when pressed and everything looks and smells good inside and out! There are no cracks on the circuit boards, no broken wiring no broken or missing or out of place connectors. The fuse is also intact and appears good, but I haven't used a meter yet to check for voltages anywhere. I'm hoping the problem might be something simple. I currently don't have the remote control for the unit.

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  • Jesse Mar 27, 2011

    The outlet is live. Nothing has happened on the front panel when the power was switched to on. The only sign of life has been a blinking led on the back of the unit at the optical input connector.

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Hi jesseley,
Do it has a led light when you plug the unit to the outlet, make sure that the outlet is live, what happen when you pressed the power on switch in the front panel?
Jdvillanueva

Posted on Mar 14, 2011

  • Jdvillanueva
    Jdvillanueva Mar 27, 2011

    The reason why the unit didn't power up is because of the following reason.

    > The power supply board was missing output voltages, you have to check all output voltages for consistency. Your reference voltages is mostly printed in the board itself. If you found one check for open/shorted voltage regulator transistor, leaky/dried filter capacitor, open fusible resistor, shorted/open diode all are in the power supply board.

    > The power supply board was gone to overload triggering the over current protection circuit to avoid further damaged. Once got some dropped of output voltages in the power supply, disconnect the load and test it again w/o the load. If the voltages gone to normal voltage while the load was disconnected, this indicated that the fault is came from the load.

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