Acer B243W Service Manual page 53

Inverter board
OVP (Over Voltage Protation)
VIN
R801
300K 1/10W
R803
120K 1/8W
Q803
U801A
2
-
1
3
+5V
+
BA10393F
R806
C806 R807
10K 1/10W
10NF 25V
20K 1/10W
C808 R811
10NF 25V 34KOHM +-1% 1/10W
+5V
FS
R818
R820
R819 10K 1/8W
1M 1/8W
5.1K 1/4W
0.27V 5 U801B
+
7
6
- 10K 1/8W
R825 1V BA10393F
ZD803
C817
100K 1/10W
RLZ5.1B
10NF 25V R826
300K 1/10W
+5V
R833
100K 1/8W
R834
SST
10K 1/10W
R837
Q811
MMBT3904
56K 1/4W
Q812
MMBT3906
R840
Q813
5.1K 1/8W
MMBT3904
P1 P2
R847
R846
510 1/10W
510 1/10W
R853
510 1/10W
R852
R854
510 OHM +-5% 1/10W
510 1/10W
F801 FUSE 5A 125V
C801
220uF/35V
CN801
1
2
3
ENA
4 24V
5
6
Q801
R808
7
8
RK7002 47 OHM 1/4W
Vo2 9
10
11 Q805
12
SST2222A
RK7002
CONN ON/OFF
10KOHM 1/10W
R817
27K 1/10W
OVPT
R823 R827
10K 1/8W 5% NC
R828
1M 1/4W
R824
Q810
MMBT3904
C818
R836
10NF 25V
10KOHM +-5% 1/10W
C826
NC R838
680KOHM +-5% 1/10W
R835
C819
NC 0.001uF
C827
2.2uF/25V
OVPT
D808
LL4148
OLP+ +5V
R844 R845
1KOHM +-5% 1/10W 51KOHM +-5% 1/8W
OLP+
P3 P4 P5 P6
R850
D809
510 1/10W
R848
R849 LL4148
510 1/10W
510 1/8W R851
510 1/10W
R855 D815
510 1/8W
R857 LL4148
R856 100 1/10W
510 1/10W
+
C802 VIN
1uF
C807
R809
1uF50V 10K 1/8W
R812
300KOHM +-5% 1/10W
Q806
R815
MMBT3904
C811
C810 144WN3/S
10KOHM 1/10W
Q807
0.022uF
0.022uF +5V
C812
R865
NC
0.1uF/25V
R816
C815
2.2uF/25V
1
D805
AZ431AN
R822
27K 1/10W
R832
DRV1
10KOHM 1/8W
R829
1 MOHM +-5% 1/10W 1 16
DRV1 PGND
2 15
VDDA DRV2 DRV2
3 14
TIMER GNDA
4 13
DIM CT
5 12
ISEN SSTCMP
6 11
VSEN LCT
7 10
OVPT ENA
8 9
NC1 NC2
R864
IC801 OZ9938GN
C821
10KOHM 1/8W
2.2uF/25V
C820
C828
R839 0.047UF
1 MOHM +-5% 1/10W
0.022uF
2
3
R842 R843
442 OHM +-1% 1/10W NC 1 R841
1KOHM +-5% 1/4W
D807
BAV99
JP801
0 OHM +-5% 1/10W
FS
53
ZD801
R802
RLZ5.6B D820 SM340A
100 OHM 1/8W
2 1
Q802
D801
R804
1 2 4
G D
SCS140V 3
10KOHM 1/8W
S D
C803 0.047uF R805 2
G D
100 OHM 1/8W 1
S D
2 1 FDS4897C
DRV1
SCS140V
D802 D821 SM340A
ZD802
RLZ5.6B 100 OHM 1/8W D822 SM340A
2 1 R810 Q804
D803 4
R813 G D
1 2 3
S D
SCS140V 2
10KOHM 1/8W
G D
C809 0.047uF R814 1
S D
100 OHM 1/8W
FDS4897C
2 1
DRV2
ON/OFF
D804 SCS140V D823 SM340A
ZD804
D824
SM340A
RLZ5.6B 100 OHM +-5% 1/8W
2 1 R859
D816 Q808
R858 1 2 4
G D
10KOHM +-5% 1/8W SCS140V 3
S D
C836 0.047uF R860 2
G D
100 OHM +-5% 1/8W 1
S D
2 1 FDS4897C
DRV1
D817 SCS140V
D825
SM340A
ZD805
D826
RLZ5.6B 100 OHM +-5% 1/8W
2 1 R862
Q809 SM340A
D818
R861 1 2 4
G D
10KOHM +-5% 1/8W SCS140V 3
S D
C837 0.047uF R863 2
G D
100 OHM +-5% 1/8W 1
S D
2 1
DRV2 FDS4897C
D819 SCS140V
R830
D827 SM340A
R831
71.5KOHM+-1% 1/8W
3.3M OHM 1/14W
SST
C825
ENA 270pF50V
C824
C822
C823
0.047uF
10NF 25V
560K +-5% 1/10W
IS
F802
0 OHM +-5% 1/4W
5
6
+
7 C804 C805
8 470uF 35V 1uF
TA
5
6
7
8
F804
0 OHM +-5% 1/4W
TB
5
6 + C813 + C838
7 220uF/35V 220uF/35V
8 C814
1uF
TC
5
6
7
8
TD