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First, check cables which connect with PSUˈthen check as follows
1) Check input voltage (CNA1)
2)Check output voltage (CND1)
10.1.3 No sound
Firstˈcheck cables which connect with PSUˈthen check as follows
1) Check input voltage as NO picture
2) Check speaker output
10.2 PSU failure check
State: No power
First, check cables which connect with PSU, then check as follows
1) Check PSU input voltage˄AC input˅(CON1)
2˅Check PSU output voltage orderly (CON2)
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