MiTAC 8050QMA Manuel de service télécharger pdf (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

P32

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

P32

PR35

10K

PC25

0.1µ

15

REF

PR25

124K

PJS1

SHORT-SMT3

P23

GND

GNDB

PR11

.02

GND

H8_I_CTRL

From U13

P23

PR36

590K

PR37

100K

1.25V

6

PR33

80.6K

PC24

0.1µ

+

_

+VDD3

5

PU4B

LMV393M

7

84

+DVMAIN

PR38

1K

PQ6

SCK431CSK-5

+VDD3

PC33

0.01µ

BATT_DEAD#

To H8 U13

P23

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

P23

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

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