Mitac secret confidential document, 1 no power-2, Main voltage map – MiTAC 8050QMA User Manual
Page 107
106
80
80
50QMA
50QMA
N/B Maintenance
N/B Maintenance
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
Main Voltage Map
+DVMAIN
ADINP
POWER IN
PWR_VDDIN
PJ701
PF1 PL1
PL2
PD505
Discharge
PD502
PD503
BATT
PF501,PL506,PQ503
PU3,PL507,PL508,PD507
PQ506
Charge
Discharge
F4,U513
PQ501
P32
P28
P32
P31
P32
8.1 No Power-2
J703
P32
+VDD5
Q50
+3V
+VDD3
U515
+VDD1.5
+VDD3S
Q49
U11
+VDD3_RTC
D34,
P26
P26
P26
P26
P26
P11
+VDD3_AVREF
P26
Q37
PF502,PL512
PL506,PU5
PU503,PU504
PU506,PU511
PU512
+CPU_CORE
P30
+KBC_CPUCORE
R711
P23
PU502,PL503
PR508
+3VS_P
P27
PU2
+3V
P25
JS505~
JS507
+3VS
U504,L509
L501
P26
+3VS_HDD_ANALOG
L564
P14
L562
P14
+1.8VS_HDD
+3VS_HDD
P14
+1394_AVCC
P19
+3VS_CLK
P9
+1.8VS
P26
+3VS_TVDAC[A,B,C]
P6
+3VS_ATVBG
P6
L563
L531
L31
L32
U9
L40,L33
L41
L42
PU501,PL502
PR527
+5VS_P
+5V
JS501~
JS504
P25
P27
+5VS
L503,U502
L504
P26
L49
+5VS_CDROM
P14
AMPVDD
L73
P22
+5VS_HDD
L64
P14
+2.5V
P26
U8
+AVDDL
P15
L531
+2.5VS_CRTDAC
L39
P6
+2.5VS_ALVDS
+2.5VS_TXLVDS
L37
+2.5VS_HV
P6
P6
P6
L44
L35
+2.5VS
P26
Q12
+DVDD
P15
L533
PR42
PU12
PU509,PU510
PL516
+1.8V_P
+1.8V
JS6,
JS515
P25
P29
+DDR2_VREF
R606
R242
P8
+0.9VS_P
+0.9VS
JS517~
JS518
P25
P29
MiTac Secret
Confidential Document