MiTAC 8170 User Manual
177
8170 N/B MAINTENANCE
LAN Test Error
Yes
No
Test
OK?
Correct it.
Correct it.
No
Check if BIOS setup is ok.
Re-test
OK?
Replace
Motherboard
1.Check if the driver is installed properly.
2.Check if the notebook connect with the
2.Check if the notebook connect with the
LAN properly.
Yes
Check the following parts for cold solder or one of the following
parts on the mother-board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time and
test after each replacement.
parts on the mother-board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time and
test after each replacement.
Parts:
Signals
TXD+
TXD-
PJTX+
PJTX-
PJRX+
PJRX-
PJ4
PJ7
TXD-
PJTX+
PJTX-
PJRX+
PJRX-
PJ4
PJ7
-PCIRST_N
-CBE[0:3]
LAN_WAKE
PCICLK_LAN
PCLKRUN
XTALIN
XTLOUT
RXIN-
RXIN+
-CBE[0:3]
LAN_WAKE
PCICLK_LAN
PCLKRUN
XTALIN
XTLOUT
RXIN-
RXIN+
U17 U508 U507
R158 U16 Q512
R610 R32 R31
U4 L[8:10] R542
R541 R549 R555
L508 L513 C567
C572 C577 C540
U5 C69 X501
C584 C585 R12
R17 R530 R31
J9
R158 U16 Q512
R610 R32 R31
U4 L[8:10] R542
R541 R549 R555
L508 L513 C567
C572 C577 C540
U5 C69 X501
C584 C585 R12
R17 R530 R31
J9
Board-level
Troubleshooting
An error occurs when a LAN device is installed.
8.15 LAN Test Error