Question about Sony MHC-GX450 CD Shelf System

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Sony MHC-GX450 On boutton flahing red system unresponsive

Tried the un plug and plug in and the 3 button push methods per the manual. Read most of the responses at Fixya including the removing of white band connector air blow clean and re-insert. Have not tried yet.
But how do I know if it is the fuse? Where is it located and how to I change or reset the fuse? unable to find anything on fuses in the Manual.
Also where is the voltage switch I've seen mentioned but nothing in manual.

Thank in advance for your assistance. -Bob C.

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The volatge switch is located near the power cord at the back panel..

Posted on Nov 12, 2008

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Hi,

Initially, I doubt if it is the fuse. If it were, the unit would not even have the flashing red light. The standby light or the red light flashing indicating that the unit has switched to protection mode., the unit in its self diagnosis has detected a fault. In order not to extend the damage, the unit prevents itself from turning on. On some models, the number and sequence of flashes indicates the general area of the fault and where initial diagnosis can begin. Eventually the unit has to be opened up for a look and see. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Incidentally, in the hope that this is a simple glitch, perhaps you can try unplugging from the mains and removing all connectors. After an extended period, reconnect and verify connections and try again.

Additionally, was there anything out of the ordinary prior to the incident such as power failure/interruptions, thunderstorm, TV used for an extended period pf time, the remotes has been inadvertently played with, or anything noteworthy.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Posted on Nov 12, 2008

  • Louie  Role
    Louie Role Nov 15, 2008

    Hi again,

    Any development(s) so far?


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