20 Most Recent Sony MHC-GX555 Mini Hi-Fi System Shelf System Questions & Answers


Could be an open internal fuse or power supply failure

Sony MHC-GX555... | Answered on Sep 21, 2017


https://us.en.kb.sony.com/app/answers/detail/a_id/38877/~/the-stereo-system-malfunctions,-stops-responding,-or-displays-mecha-or

Sony MHC-GX555... | Answered on Sep 10, 2017


I have a Sony MHC-GX555 stereo and every time I try to open the disc tray it either flashes EX-Change or mechanical error and it won't open.

Sony MHC-GX555... | Answered on Feb 13, 2015


You need to have the fan in the check,possibly its not working anylonger

Sony MHC-GX555... | Answered on Jan 03, 2015


Dry electrolitic condensator on main power unit or short circuit on speaker cables

Sony MHC-GX555... | Answered on Dec 12, 2013


Hi the audio stage is blown.I suggest you take it to a technician to have amp module replaced

Sony MHC-GX555... | Answered on Nov 12, 2013


something inside the unit has caused it to go on protect mode it sounds. check the v supply from the fan as well as the audio output ic and main pc board.

Sony MHC-GX555... | Answered on May 15, 2013


audio amplifier IC fried need to be replaced

Sony MHC-GX555... | Answered on May 14, 2013


My Sony Mini MHC-GX470 have been working until a power outage yesterday and now it will start coming on the goes back to standby mode. I can hear it going through the system, starts the radio and immediately goes to STANDBY.
I need HELP!!!!!!!!!!!!!!!!!!!!!!!!

Sony MHC-GX555... | Answered on May 09, 2012

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