121
7321 N/B Maintenance
7321 N/B Maintenance
ANALOG
ANALOG
CRT
CRT
DISPLAY
DISPLAY
8.5 External Monitor No Display or Color Abnormal
Symptom:
The CRT monitor shows nothing or abnormal color, but it is ok for LCD
+2.5V
L9
L10
L11
L12
R10 33
R9 33
Q4
FDV301N
Q6
FDV301N
Q3
FDV301N
Q5
FDV301N
R52 4.7K
R24 4.7K
L8
L7
L6
CA4
47P*4
CA3
47P*4
CA6
47P*4
RP18
75*4
DDCK
DDDA
VSYNC
HSYNC
BLUE
GREEN
RED
15
12
14
13
3
2
1
U21
U21
North
North
Bridge
Bridge
VT8362
VT8362
+3V
+5V
J503
U15,25
U22, 28
U16, 26
U23, 29
17
VCC25_RGB
R558 0
C555
2.2U
C567
0.1U
7
G
S
D
D
G
S
S
S
G
G
D
D
Содержание MiNote 7321
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