hi,i have an amp.sa-ex 900 and it doesn't turn on , i heard " clic" wen i push the button, the display doesn't light "on" and " help" light ,still flash on and off ?? nothings happen? no sound, no display.i bring back my amp to the repair shop,were i bought it ,and they never find the probleme.the probleme start in a party at high volume,he stop and never restart thank you very much.......sorry for my english i'm french canadian.
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