MiTAC 8355 service manual Memory-Card Socket Failure

8355 N/B MAINTENANCE

8.12 Memory-Card Socket Failure

Symptom : An error occurs when a memory card device is installed.

D1

R542

CL-190G

330

+SMVDD +SDVDD +MSVDD

+3V

+3V

+3V

Q20

SI2301DS

R40

90

MS_LED#

MAIN_PWROK

2

3

Q30

P16

From P26

DTC144TKA

10K

SM_LED#

J13

C347

R28

140

0.1U

100K

JL505

SM_PWR3EN#

138

95

SD_LED#

R354

0

SD CARD

SD_DATA[0,3]

R118

JL506

SD_PWREN#

94

SD_CMD

1K

JL507 MS_PWREN#

89

102

7

93

SD_CD#

2

PCI_AD [0:31]

92

SD_WP#

3

P12-14

100

SD_CLK

R706

10

6

C/BE# [0:3]

C727

+SDVDD

10

10P

C354

SM CARD

1,7,31,64,86,120

1U

SM_SD[0,7]

+3VS

143,164,178,,187,201

U20

PCI_FRAME#,PCI_IRDY#,PCI_TRDY#,PCI_STOP#

118

SM_CD#

11

U514

SM_R/B#

South Bridge

132

23

PCI_DEVSEL#,PCI_PERR#,PCI_SERR#,PCI_PAR

128

SM_LVD

20

VT8235

PCIINTB#

R702

0

154

Card Bus

130

SM_WP#

21

PCIINTC#

R713

0

157

Controller

131

SM_WE#

22

CB710

133

SM_ALE

24

PCICARDBUS_REQ0#

169

134

SM_RE#

25

PCICARDBUS_GNT0#

168

135

SM_CLE

26

PCI_CLKRUN#

161

136

SM_CE#

27

SUSB#

R365

0

156

139

SM_WPD#

28

From Page 6

PCI_CARD_CLK

180

84

MS_BS

31

CARDSPK#

85

MS_SDIO

32

To Page 18

149

IRQSER

MS_INS#

To Page 12

R701

0

146

87

34

88

MS_SCLK

R56

10

CARD_RST#

R822

22

PRST#

166

36

From Page 10

R720

0

POWER_ON_RESET#

175

C38

+MSVDD

30

10P

C353

MS CARD

1U

P17

Memory card connector

149