AOC G2460PQU, Руководство по обслуживанию, Страница: 43 / 88

Service Manual G2460PQU
43
DC/DC Converter
C763 翴   埃 .
PGND
C
762
0.
1U
F
50V
C
770
100nF
50V
CN740
CONN
1
2
3
4
Q742
MMBT3904
R770 100K1/16W
C
774
1000pF
50V
+
C
765
N
C
/220uF
25V
FB742 120 OHM 1 2
L740 6.8UH
PGND
U742
NB650DL
 LF Z
1
2
3
4
5
6
7
8
9 10
11
12
13
14
15
16
17
18
19
22 21
20
SW
SW
BST
PG
EN
VID1
VID2
VCC
GN
D
GN
D
IN
AGN
D
FB
RFB2
RFB1
SS
FREQ
SW
SW
PGN
D
PGN
D
IN
EN_PWR
CN744
CONN
1
2
C
771
1000pF
50V
Active High 2V.
Active Low
0.4V.
R759 20K 1/10W 1%
PGND
R
771
22K1/
16W
PGND
R
766
24K
1/
10W
5%
USB_5V 4
VBUS0 2,4
R758 1.5M OHM
+
C
769
680uF
10V
R
765
4.
7K
1/
16W
+
C
764
100U
F
25V
R
760
84.
5K
OH
M
+
-1%
1/
10W
R
762
100K
1/
10W
5%
PGND
Z
D
740
R
LZ
6.
2B
1
2
R
793
6K8
1/
10W
1%
USB_HUB 2
60ID 1-1
AOC
B
3 4 Wednesday , Nov ember 28, 2012
715G5370-T01-001
< 称爹 >
USB Hub
715G5370-T01-001-0040
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
USB_PW
C
773
100N
16V
C
767
22U
F
10V
PGND
C766 22N 50V
R772 100R
R
764
1M
1/
16W
USB_5V
PGND
C
768
22U
F
10V
C776 220N 10V
PGND
SW
R
769
10K
R767 NC/100K1/16W
C
777
100N
16V
FB741 120 OHM 1 2
USB_PW
PGND
C
775
33N
50V
R757 47R
C
772
1U
F
50V
R
763
1M
1/
16W
VBUS0
GND
USB_HUB
C
796
3300pF
50V
PGND
Q741
AO4411
1
2
3
4 8
7
6
5
S
S
S
G D
D
D
D
R761 100K1/16W
L746 68UH
R
768
22K1/
16W
USB_5V