Mitac 8080 Service Manual - laptop schematics, notebook ...
Mitac 8080 Service Manual - laptop schematics, notebook ...
Mitac 8080 Service Manual - laptop schematics, notebook ...
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PC Card & Card<br />
Reader Socket Failure<br />
1. Check if the PC Card or Card Reader<br />
device is installed properly.<br />
2. Confirm PC Card or Card Reader driver<br />
is installed ok.<br />
Test<br />
OK?<br />
No<br />
Try another known good PC<br />
Card or Card Reader device.<br />
Re-test<br />
OK?<br />
No<br />
Yes<br />
Yes<br />
Correct it<br />
<strong>8080</strong> N/B Maintenance<br />
8.12 PC Card & Card Reader Socket Failure<br />
An error occurs when a PC card or SD Card device is installed.<br />
Change the faulty<br />
part then end.<br />
Board-level<br />
Troubleshooting<br />
Replace<br />
Motherboard<br />
Check the following parts for cold solder or one of the following<br />
parts on the mother-board may be defective, use an oscilloscope<br />
to check the following signal or replace the parts one at a time and<br />
test after each replacement.<br />
Parts:<br />
U3<br />
U17<br />
U21<br />
J517<br />
J516<br />
U2<br />
Q22<br />
R270<br />
R279<br />
Signals<br />
PCICLK_CARD<br />
PCIRST#<br />
INT_PIRQF#<br />
PCI_REQ2#<br />
PCI_SERR#<br />
PCI_PERR#<br />
PCI_DEVSEL#<br />
PCI_FRAME#<br />
PCI_IRDY#<br />
PCI_TRDY#<br />
PCI_STOP#<br />
PCLKRUN#<br />
PCI_PME#<br />
PCI_GNT2#<br />
PIC_PAR<br />
SERIRQ<br />
SUSB#<br />
AD[0:31]<br />
CBE#[0:3]<br />
VCC5_EN#<br />
VCC3_EN#<br />
VPPD0<br />
VPPD1<br />
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