Mitac secret confidential document, 1 no power-5, Charge – MiTAC 8050QMA User Manual
Page 110
109
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.
Charge
ADINP
PD507
SSA34
P
32
PL508
33µH
PQ8
2N7002
G
S
D
PQ7
DTA144WK
PC29
0.01µ
VCC
OUTPUTCTRL
REF
2IN-
DTC
4
FEEDBACK
PR32
100K
3
1IN-
2IN+
16
2
PU3
PWM
TL594C
C1,C2
PD4
BAS32L
PR45
4.7K
PR46
4.7K
PQ11
MMBT2222A
8,11
PR59
100K
PD506
SSA34
4
G
S
D
2
3
1
6
7
8
5
PQ503
AO4407
CHARGING
From H8 U13
2IN+
12
13
14
5
6
CT
RT
PR34
7.5K
PC21
1000P
PC22
0.01µ
PC30
1µ
PC23
0.1µ
P
32
PR35
10K
PC25
0.1µ
15
REF
PR25
124K
PJS1
SHORT-SMT3
P
23
GND
GNDB
PR11
.02
GND
H8_I_CTRL
From U13
P
23
PR36
590K
PR37
100K
1.25V
6
PR33
80.6K
PC24
0.1µ
+
_
+VDD3
5
PU4B
LMV393M
7
8
4
+DVMAIN
PR38
1K
PQ6
SCK431CSK-5
+VDD3
PC33
0.01µ
BATT_DEAD#
To H8 U13
P
23
8.1 No Power-5
PF501
TR/3216FF-3A
PL506
BEAD_120Z/100M
PC525
0.01µ
PC524
0.01µ
PC533
10µ
BATT
PD509
BZV55C15V
PC534
10µ
Q43
DDTC144TCA
PR47
0
PL507
3.0µH
PC535
10µ
PC536
0.01µ
PR28
287K
PQ5
2N7002
CHARGING
From H8 U510
P
23
PR27
20K
PC17
0.1µ
PR24
13.7K
PR136
976K
PR135
2M
PJOL1
OPEN-SMT4
PJOH1
OPEN-SMT4
2IN+
12.65V
PR26
0
PR12
2.49K
BATT_DEAD
PC18
0.01µ
MiTac Secret
Confidential Document