There must be a problem in the mainboard. Main voltage 18V from PSU is changed to 5V and 3,3V on mainboard but the microcontroller STM32F105 does not start , all LED's are off after power on.
Do you know about some microprocessor reset function through keyboard for JBL ONBEAT VENUE LT ?
Or is it some software problem of memory loss ?
Do you know about some microprocessor reset function through keyboard for JBL ONBEAT VENUE LT ?
Or is it some software problem of memory loss ?
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