MiTAC 8050QMA Service Manual page 108

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8.1 No Power-3
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
Main Voltage Map
P28
+DVMAIN
NOTE :
: Page 25 on M/B Board circuit diagram.
P25
80
50QMA
N/B Maintenance
80
50QMA
N/B Maintenance
JS508~
P28
PU507,PL514
JS510
+1.05VS_P
PL514,PL515
PU6
JS511~
P28
PU508,PL515
JS513
+1.5VS_P
P25
P6
L50
+VCCP
+VCC_GMCH
P6
L34
+1.5VS_DPLLA
P6
L46
+1.5VS_DPLLB
P6
L519
+1.5VS_HPLL
P6
L518
+1.5VS_MPLL
P25
P6
L51
+1.5VS_3GPLL
+1.5VS
P6
L43
+1.5VS_QTVDAC
P6
L38
+1.5VS_DLVDS
P6
L63
+1.5VS_DDRDLL
P6
L516
+1.5VS_PCIE
P6
L36
+1.5VS_TVDAC
107

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