109
8066
8066
MP N/B Maintenance
MP N/B Maintenance
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
8.1 No Power-4
+DVMAIN
ADINP
PC537
1000P
PC532
0.01µ
S
D
2
3
1
6
7
8
5
G
PR515
100K
PR514
470K
PQ504
AM4825
LEARNING
PR512
1M
23
+PWR_VDDIN
PD504
SM840B
A
K
PQ501
2N7002
U510
Keyboard
BIOS
W83L950D
P
21
SW_VDD3
17
J1
POWER IN
PL502
120Z/100M
PC508
0.01U
PL501
120Z/100M
1
2~4
PD501
RLZ24D
PC503
1U
PF501
7A/24VDC
P
5
JO2,JO1
SPARKGAP_6
PR1
10
4
5
6
RS+
OUT
RS-
PU1
PC1
1U
PC505
0.01U
3
VCC
1
GND0
2
GND1
MAX4173FEUT-T
JO502
OPEN-SMT4
PR511
.01
P
5
H8_I_LIMIT
76
R600
0
I_LIMIT
PC504
0.01U
PR517
4.7K
PC516
0.01µ
PD503
B140
A
K
LEARNING
27
7,8,10
7,8,10
27
ADINP
ADINP
Daughter Board
Main Board
+3V
+VDD3
C79
4.7µ
D
S
G
+PWR_VDDIN
+VDD3
+3V
+VDD3
Q508
AM2301P
Q510
DDTC144WCA
SW_VDD3
C573
0.1µ
R595
100K
D
S
G
Q514
AM2301P
U509
NJM78L05UA
F501
3216FF-1
+PWR_VDDIN
3
IN
OUT
1
P
24
2
C582
1µ
C581
10µ
+VDD5
R602
0
Main Board
U508
AMS3107
INPUT
OUTPUT
3
P
24
2,4
C75
10µ
+VDD3_AVREF
1
29
29
J6
J507
P
2
P
2
MiTac Secret
Confidential Document