mitac 8355.pdf - tim.id.au
mitac 8355.pdf - tim.id.au
mitac 8355.pdf - tim.id.au
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U506<br />
8355 N/B MAINTENANCE<br />
8.4 AGP Controller Failure LCD No Display<br />
Symptom:<br />
There is no display on LCD although power-on-self-test is passed.<br />
P5 P5<br />
North Br<strong>id</strong>ge<br />
VT8385<br />
U9<br />
ICS950403<br />
AGP_AD[0:31]<br />
AGP_SBA[0:7]<br />
AGP_CBE[0:3]<br />
AGP_ST[0:2]<br />
AGP_ADSTB[0:1]<br />
AGP_ADSTB[0:1]#<br />
AGP_RESET#<br />
AGP_REQ#<br />
AGP_GNT#<br />
AGP_PAR<br />
AGP_STOP#<br />
AGP_DEVSEL#<br />
AGP_TRDY#<br />
AGP_IRDY#<br />
AGP_FRAME#<br />
AGP_WBF#<br />
AGP_RBF#<br />
P6 R91 22 66M_AGP<br />
C211<br />
22P<br />
U16<br />
ATI M10<br />
X1 X2<br />
R403<br />
0<br />
P7<br />
R404<br />
0<br />
PANEL_ID[0:3]<br />
TXCLK+<br />
TXCLK-<br />
TX2CLK+<br />
TX2CLK-<br />
TXOUT[0:3]+<br />
TXOUT[0:3]-<br />
TX2OUT[0:3]+<br />
TX2OUT[0:3]-<br />
ENAVDD<br />
R139<br />
1M<br />
R586<br />
0<br />
Q501<br />
2N7002<br />
P23<br />
X3<br />
27MHz<br />
R504<br />
10K<br />
C505<br />
0.22U<br />
R595<br />
0<br />
U511<br />
H8<br />
C291<br />
22P<br />
C290<br />
22P<br />
R503<br />
1M<br />
57<br />
45<br />
4<br />
1<br />
2<br />
3<br />
5<br />
6<br />
7<br />
8<br />
H8_ENABKL<br />
F501<br />
FUSE_1206<br />
R190<br />
10K<br />
Q503<br />
SI4835DY<br />
+3V<br />
C687<br />
0.1U<br />
+3V<br />
+3V<br />
2<br />
R817<br />
10K<br />
ENABKL 1 3<br />
Q518<br />
DTC144TKA<br />
D503<br />
RLS4148<br />
R338<br />
1K<br />
L46<br />
120Z/100M<br />
+5V<br />
+PANEL_VDD<br />
C39<br />
1U<br />
ENABL_VGA<br />
BLADJ<br />
5,6,7,8<br />
11<br />
13<br />
10<br />
12<br />
17,23,29,35<br />
19,25,31,37<br />
16,22,28,34<br />
18,24,30,36<br />
L39<br />
120Z<br />
L42<br />
120Z<br />
1,2,3<br />
1<br />
4<br />
J2 P11<br />
J3<br />
P24<br />
LCD<br />
To<br />
Inverter<br />
Board<br />
132
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