MiTAC mitac 8355 User Manual

Page of 208
8355 N/B MAINTENANCE
8355 N/B MAINTENANCE
152
Correct it.
1394 Test Error
1.Check if the driver is installed properly
2.Check if the device connect with the 
1394IEEE properly  
Yes
No
Test
OK?
NO
Change another good device
Re-test
OK?
Board-level
Troubleshooting
Replace
Motherboard or I/O Board
Check the following parts for cold solder or one of the following 
parts on the mother-board and I/O 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
Yes
U20
U516
U28
J16
L71
C374
C372
R714
L75
C385
R302
R307
R290
R299
C367
R777
R778
L86
L87
R751
R747
R759
R755
C778
C781
R758
C785
TPA0P
TPA0N
TPB0P
TPB0N
TPB1AS0
PCI_AD[0,31]
PCI_C/BE#[0,3]
GROM_SDA
GROM_SCL
PCI_FRAME#
PCI_DEVSEL#
PCI_TRDY#
PCI_IRDY#
PCI1394_REQ#3
PCI1394_GNT#3
PCI_1394CLK
PCI_1394_RESET#
PCI_STOP#
PCI_PERR#
PCI_SERR#
PCI_PAR
+3V
D_VMAIN
+PHYAVDD
+PHYVDD
8.13 IEEE1394 Test Error
Symptom: An error occurs when IEEE1394 device is installed.
Change the faulty 
part then end.