MiTAC 8050QMA Manuel de service télécharger pdf (Page 123)

122

50QMA

N/B Maintenance

C330

22P

C326

22P

8MHZ

R328

T_CLK

T_DATA

L47 130Z/100M

11,12

9,10

TP_CLK

TP_DATA

U709

South Bridge

ICH6-M

+VDD3

U13

Keyboard

BIOS

W83L950D

8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-2

Error message of keyboard or touch-pad failure is shown or any key does not work.

U14

SYSTEM

BIOS

SST49LF004A

P24

P11

SERIRQ

13~15,17

LAD[0..3] 65~68

+5V

L48

120Z/100MHZ

C537

0.1µ

Touch-Pad

P24

0.5A/POLYSW

1,2

SW_RIGHT

5,6

7,8

SW_LEFT

R346

10K

R348

10K

+5VS

+KBC_CPUCORE

R704

10K

+3VS

LAD[0..3]

P23

KI[0..7]

KO[0..15]

17~24

1~16

Internal

Keyboard Connector

P23

55~62

39~54

KBD_US/JP# 25

R146

10K

+3VS

LFRAME#

23 63

+3VS

32,1

C694

0.1µ

25,27

R317 4.7K

R315 4.7K

C709

4.7µ

KBD_US/JP#

R168

C541

47P

C542

47P

C539

47P

C540

47P

L72 130Z/100M

SW3

SW4

+5V

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MiTAC 8050QMA Manuel de service Page 123

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