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Mitac 8080 Service Manual - laptop schematics, notebook ...

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P18<br />

U17<br />

PCMCIA<br />

Controller<br />

CB710<br />

P9<br />

U3<br />

I/O<br />

Controller<br />

Hub<br />

82801DBM<br />

ICH4-M<br />

8.11 LAN Test Error<br />

CARD_RI#<br />

An error occurs when a LAN device is installed.<br />

C316<br />

0.1µ<br />

+3V_P<br />

+3V<br />

14<br />

PCIRST# 4,5<br />

U2B<br />

6<br />

74AHC08_V<br />

7<br />

INT_PIRQE#, PCI_REQ1#<br />

PCI_FRAME#, PCI_DEVSEL#<br />

PCI_TRDY#, PCI_IRDY#<br />

PCI_PME#, PCI_STOP#<br />

PCI_GNT1#, PCI_PAR<br />

AD[0:31], CBE#[0:3]<br />

Q24<br />

DTC144WK<br />

Q20<br />

DTC144WK<br />

JL10<br />

LAN_WAKE 112<br />

PCICLK_LAN<br />

From U4 Clock Generator<br />

+3V<br />

+LAN_D2.5V<br />

R303<br />

2.2<br />

C311<br />

0.1µ<br />

LAN_PCIRST#<br />

RP1,RP2,RP4<br />

R150,R153<br />

8.2K*4<br />

<strong>8080</strong> N/B Maintenance<br />

43<br />

115<br />

114<br />

113,118<br />

15,19<br />

18,17<br />

119,21<br />

117,23<br />

VCCRAM<br />

WOL<br />

P16<br />

U15<br />

LAN<br />

Controller<br />

VT6105-LOM<br />

50<br />

58<br />

57<br />

54<br />

104<br />

105<br />

108<br />

109<br />

94<br />

95<br />

EECS<br />

EESK<br />

EEDI<br />

EEDO<br />

RXIN+<br />

RXIN-<br />

TXD+<br />

TXD-<br />

LANX1<br />

LANX2<br />

C284<br />

22P<br />

1<br />

2<br />

3<br />

4<br />

U16<br />

NM93C46<br />

CS<br />

SK<br />

DI<br />

DO<br />

+LAN_A2.5V<br />

R245<br />

49.9<br />

R246<br />

49.9<br />

3<br />

2<br />

4<br />

X4<br />

25MHZ<br />

P16<br />

1<br />

VCC<br />

GND<br />

L28<br />

120Z/100M<br />

R243<br />

49.9<br />

C279<br />

22P<br />

8<br />

5<br />

+3V_P<br />

C290<br />

1µ<br />

R244<br />

49.9<br />

L26<br />

PLP3216S<br />

2<br />

1<br />

3 4<br />

2<br />

L27<br />

PLP3216S<br />

+LAN_D2.5V +2.5V_DDR<br />

L33<br />

120Z/100M<br />

1<br />

3 4<br />

C273<br />

0.1µ<br />

1<br />

2<br />

7<br />

8<br />

3,6<br />

C298,C308<br />

0.1µ<br />

+2.5V_DDR +LAN_D2.5V<br />

+2.5V_DDR +LAN_A2.5V<br />

P16<br />

U11<br />

LF-H80P<br />

16<br />

15<br />

10<br />

9<br />

14<br />

11<br />

R229<br />

75<br />

R230<br />

75<br />

+LAN_A2.5V<br />

L34<br />

120Z/100M<br />

C286,C288,C296 0.1µ<br />

C287,C293 2.2µ<br />

PJRX+<br />

PJRX-<br />

PJTX+<br />

PJTX-<br />

C233<br />

1000P<br />

R222<br />

75<br />

R224<br />

75<br />

PJ7<br />

PJ4<br />

6<br />

P16<br />

3<br />

8<br />

7<br />

1,2<br />

4,5<br />

J515<br />

RJ45 LAN Connector<br />

130

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