CONFIDENTIAL
–
DO NOT COPY
Page 9-5
File No. SG-0300
Yes
N0
The voltage is +12V, +24V while power switch on
1. J1 connection good; J5 connection good
2. Check power board
The voltage is +5V while power switch on
1. Check
U11 OPWRSB Pi
n
Yes
Yes
Yes
N0
N0
N0
N0
N0
N0
N0
N0
Yes
Yes
Yes
Yes
Yes
TROUBLE
OF
DC-DC
CONVERTER
Start
J1 PIN10,11,12
J1PIN2,3,4/J5 PIN,1,2
The voltage is 5VSB
1. Check power board
2. Check power cable connection
J1
U1 pin 5 6 7 8
U2,U3,U5,U45 pin2
The voltage is about +3.3V
U9 pin2
The voltage is about +1.8V
U4 pin2
The voltage is about +1.25V
U7 pin2
The voltage is about +3.3V
U6 pin2
The voltage is about +8V
U10 pin7
The voltage is about +1.08V
END
