MiTAC 8575 - Page 137

136
8575
8575
N/B Maintenance
N/B Maintenance
8.1 No Power
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
Main Voltage Map
+DVMAINADINPPOWER IN
ALWAYS
J2
PF501
PL501
PL508
JS501
JO502
PU502
P2
P2
PD504
Discharge
P2
P2
PD503
PD514
PD505
PD506
PL504
PL505
+DVMAIN1 +3V_P
PU2
PU3
PU4
JO506
JO507
+3V
PU503
+3VS
+5V_P
PU4
PU5
PU6
PL3
JO1
JO2
+5V
PU501
+5VS
USB0VCC5
U3
USB5VCC5
U1
+12V_P
PU4
PU5
PU6
PL3
PU507
JO505
+12V
PQ1
+12VS
P2
P2
P2
P3
P2P1P1
P1P1
P1 P1
JO503
JO504
+D/VMAIN
P1
PL7
PU510
PU7
PU507
+1.8V_P
JO501
JO502
+1.8VS
+2.5V_P
PU8
PU509
JO503
JO504
+2.5V_DDR
5V_AMP
JS2
JS3
P20
U512
+1.8V
1.25V
PU10
+PHYVDD
L543
P15
L544
P29
MIIAVDD
L32
P16
U523
USBVDD
P16
P23
P29
+PHYAVDD
+5VS_HDD
P17
JS4
JS5
+5VS_CD
P17
JS6
JS7
VCCA
P18
U505
VCCP
P18
U505
AVDDAD
JS505
L554
P20
+VCC_CORE
PL501
PL502
PU501
PU502
PU505
PU506
PU508
PU1~PU6
P26
P24
P24 P24
P24
P27
VMAIN
PJ1/J4
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PJ2
J7
P27
P2
H8_AVREF1
F504
U506
Q509
L512
P27
+5VA
P27
P22
+5VAS
+3VA
Q8
U17 Q14
VCC_RTC
P15P15
P27
+5V
Q511
BATT
PD3,PL5,PQ1,PL6,PU9
PU513
P25
Charge
Discharge
J7
PJ2
P27
P2
: Page 6~29 on M/B board
circuit diagram.
: Through by part PF501.
NOTE:
PF501
: Page 1, 2, 3 on D/D board
circuit diagram.
P29P6
P1 P3