Akai DV-P4930KDSM, Руководство по обслуживанию

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SD CARD
Yes
Yes
Yes
Yes
USB FUNCTION
Yes
Yes
Memory no function
Check SD card
connection
Check F1 inductance
with
3.3V power
supply or not
Inspect Q3,Q4,A5 audion
and
capacitance and
resistance
Check 24P cables or
cables plug working or
not
Plug defective or memory
defective
Check power supply circuit
Replace defective component
Cables or plug defective
No
No
No
No
USB no function
Check USB card
connection
Check EC3 with 5V
power supply or not
Check 4P cables or cables
plug working or not
Plug defective or USB defective
Check power supply circuit
Cables or plug defective
No
No
No
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