108
Prestigio Cavaliere 141
Technical Service Manual
4
3
2
1
5
6
7
8
CP503
47P*4
U505
North Bridge
SiS650
R41 2.2K
R62 2.2K
+3V
+5V
Q10
2N7002
Q13
2N7002
+5V
Q9
2N7002
Q14
2N7002
L10
L14
L12
4
3
2
1
5
6
7
8
ANALOG
ANALOG
CRT
CRT
DISPLAY
DISPLAY
J504
8.5 External Monitor No Display
Symptom:
The CRT monitor shows nothing or abnormal color, but it is OK for LCD.
VGA_RED
VGA_HSYNC
VGA_VSYNC
VGA_DDCK
VGA_DDDA
1
3
13
14
12
15
CON_VSYNC
CON_DDCK
CON_DDDA
G
S
D
G
S
D
G
S
D
G
S
D
P
7
P
14
L11
CON_HSYNC
FA1
8
7
6
5
1
2
3
4
FA501
RP502
75*4
1
2
3
4
8
7
6
5
CP502
47P*4
U516
South Bridge
SiS961
P
16
R552
1K
CRT_IN#
R555
100K
C583
100P
+3V
CON_BLUE
CON_GREEN
CON_RED
1
2
3
4
8
7
6
5
VGA_BLUE
VGA_GREEN
2
CP1
47P*4