User Guide

8965 N/B Maintenance
8965 N/B Maintenance
111
One of the following parts or signals on the motherboard
may be defective, use an oscilloscope to check the signals or
replace the parts one at a time and test after each replacement.
Parts Signals
+3V
VDD3
LAD[0:3]
SERIRQ
PCICLK_KBC
KO[0:15]
KI[0:7]
T_CLK
T_DATA
U17
U711
U713
J2
J3
R66
X2
L61
L62
SW1
SW2
F3
L69
R261
8.7 Keyboard (K/B) Touch-Pad (T/P) Test Error (1)
Error message of keyboard or touch-pad test error is shown or any key does not work.
Keyboard or Touch-Pad
Test Error
Try another known good Keyboard
or Touch-pad.(Internal or external)
Test
Ok?
Replace the faulty
Keyboard or
Touch-Pad
Yes
No
No
Yes
Correct it.
Is K/B or
T/P cable connected to
notebook
properly?
Board-level
Troubleshooting
Replace
Motherboard
MiTac Secret
Confidential Document