Mitac secret confidential document, 1 no power-6, Discharge – MiTAC 8050QMA User Manual
Page 111: J703
110
80
80
50QMA
50QMA
N/B Maintenance
N/B Maintenance
+VDD3_AVREF
1
2
3
C332
0.1µ
C333
0.1µ
D16
BAV70LT1
77
78
PC19
0.1µ
PR29
100K
PR510
499K
PL505
120Z/100M
PF701
TR/SFT-10A
PL504
120Z/100M
PC514
0.01µ
1,2
5
PC523
0.01µ
+VDD3_AVREF
PR134
4.99K
PR8
20K
PC10
0.1µ
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
Discharge
BAT_T
BAT_V
BAT_C
BAT_D
U13
Keyboard
BIOS
W83L950D
2
3
BAT_CLK
BAT_DATA
J703
B
a
tt
ery
C
o
n
n
ect
o
r
P
31
R344
2.7K
+VDD3
R385
2.7K
P
23
3
4
+VDD3
3
PD2
BAV99
2
1
+VDD3
3
PD3
BAV99
2
1
PR13
0
PR14
0
PQ504
2N7002
PR511
33K
ADEN#
14
+DVMAIN
PR512
100K
BATT
G
S
D
2
3
1
6
7
8
5
PQ506
AO4407
JO10
SPARKGAP-6
PC526
1000P
PC527
0.01µ
JP1
SPARKGAP-6
4
8.1 No Power-6
+VDD3
D
S
G
+VDD3S
R1
R378
100K
Q49
SI2301DS
D20
BAS32L
Q40
DDTC144TCA
RP502
10K
L81
120Z/100M
+VDD3
12
KBC_PWRON_VDD3S
ADEN#
PQ507
DTC144WCA
PR509
226K
ADINP
PD505
SCS140P
A
K
+PWR_VDDIN
7
2
8
1
6
3
5
4
RP4
22*4
PC617
1000P
MiTac Secret
Confidential Document