Prestigio NOBILE 150 Technical & Service Manual page 122

Prestigio Nobile 150
8.4 External Monitor No Display
There is no display or picture abnormal on CRT monitor, but it is OK for LCD.
R521
P
5
R522
CRT_DDDA
U504
CRT_HSYNC
CRT_ VSYNC
Memory
Controller
CRT_ DDCK
Hub
CRT_ R
855GME
CRT_ G
CRT_B
P
9
U12
CRT_IN#
I/O Controller
ICH4-M
+1.5V
+3V
+3V +3V
10K
10K
R515 R511
2.2K 2.2K
1
2 4
U525
AHCT1G08DBV
1
4
2
U524
AHCT1G08DBV
C776
R41 R9 R43
3.3P
75 75 75
+3V
GND GND
R729
8.2K
GND
D611 D612 D613 +5V
BAV99 BAV99 BAV99
G
S D
Q504
2N7002
R512 39
R513 39
G
S
Q507
2N7002
L503 120Z/100M
L504 120Z/100M
L505 120Z/100M
C778
3.3P
C777
3.3P
R514
1K
C504
100P
GND
121
+5V
F501
MICROSMDC110
D503
D1FS4
L501
120Z/100M
L506 120Z/100M
L507 120Z/100M
L508 120Z/100M
L509 120Z/100M
D
C779 C781
CP503
3.3P 3.3P
22P*4
C780
3.3P
GND_CRT15
GND_CRT15
TECHNICAL SERVICE MANUAL
J502
P
14
VGA_DDC2B
9
VGA_DDDA
12
VGA_HSYNC
13
VGA_ VSYNC
14
VGA_ DDCK 15
VGA_ RED
1
VGA_ GREEN 2
VGA_BLUE
3
16,17
JL501
JL502
GND_CRT15 GND
5
6,7,8,10
GND_CRT15