8355 N/B MAINTENANCE
8355 N/B MAINTENANCE
134
8.5 External Monitor No Display
Symptom:
The CRT monitor shows nothing or abnormal color, but it is OK for LCD.
P5
AGP_AD[0:31]
U506
North Bridge
VT8385
P5
U16
ATI M10
P7
AGP_SBA[0:7]
AGP_CBE[0:3]
AGP_ST[0:2]
AGP_RESET#
AGP_REQ#
AGP_GNT#
AGP_PAR
AGP_STOP#
AGP_DEVSEL#
AGP_TRDY#
AGP_IRDY#
AGP_FRAME#
AGP_WBF#
AGP_RBF#
AGP_ADSTB[0:1]
AGP_ADSTB[0:1]#
U9
ICS950403
P6
R91 22
66M_AGP
C211
22P
X1
X2
C291
22P
C290
22P
ANALOG
ANALOG
CRT
CRT
DISPLAY
DISPLAY
J503
P11
CRT_RED
CRT_GREEN
CRT_BLUE
L34
120Z/100M
L35
120Z/100M
L36
120Z/100M
CRT_HSYNC
CRT_VSYNC
CRT_DDCK
CRT_DDDA
L31
120Z/100M
L32
120Z/100M
L33
120Z/100M
L30
120Z/100M
RP516
75*4
1
2
3
4
8
7
6
5
4
3
2
1
5
6
7
8
CP502
22P*4
+5V
+3V
R505
4.7K
Q1
FDV301N
Q2
FDV301N
Q3
FDV301N
Q502
FDV301N
R508
4.7K
X3
27MHz
R139
1M
R404
0
R403
0