7521Plus / N N/B MAINTENANCE
8.4 EXTERNAL MONITOR NO DISPLAY
There is no display or picture abnormal on CRT monitor.
SH5
U24
SIS 630S
RED
GREEN
BLUE
+3V
HSYNC
VSYNC
DDDA
R2
DDCK
+3V
CRT_IN# R516
+12V
R630
R3 | G Q502 |
S D
Q501 G
S D
R518
C505
L518
L516
L515
R114 L514
R112 L519
L512
L513
1
2
3
13
14
12
15
10
SH11
J506
CRT MONITOR
113
