Inverter Board - HP LP2275w Service Manual

22" LCD Color Monitor

7.3 Inverter Board

OVP (Over Voltage Protation)
VIN
R801
300KOHM +-5% 1/10W
R803
120KOHM +-5% 1/8W
U801A
2
1
3
+5V
R806 BA10393F
C806 10KOHM +-5% 1/10W
10NF 25V R807
20KOHM +-5% 1/10W
C808 R811
10NF 25V 34KOHM +-1% 1/10W
+5V
FS
R820
R819 1 MOHM +-5% 1/8W
5.1KOHM +-5% 1/8W
5 U801B
+
7
6
-
R825 ZD803 BA10393F
100KOHM +-5% 1/10W C817
10NF 25V RLZ5.1B R826
300KOHM +-5% 1/10W
+5V
R833
100KOHM +-5% 1/8W
R834
10KOHM +-5% 1/10W
R837
56KOHM +-5% 1/8W Q811
PMBS3904
Q813 R840
PMBS3904 5.1KOHM +-1% 1/8W
P1 P2
R846
510 OHM +-5% 1/10W R847
510 OHM +-5% 1/10W
R852
510 OHM +-5% 1/10W R853
510 OHM +-5% 1/10W
F801
CN801 CONN
1
2
3
ENA 24V
4
5
6
R808
7
47 OHM +-5% 1/4W
Q801 8
Vo2 RK7002 9
10
11
12
ON/OFF
Q803
RK7002 why don't
use
3904,only
Vceo and
Ic is
different?
R823 R827
120k 560K
R818
10KOHM +-5% 1/8W
OVPT R828
1 MOHM +-5% 1/8W
R824
10KOHM +-5% 1/8W
Q810
PMBS3904
C818
10NF 25V R836
10KOHM +-5% 1/10W
C826
10NF 25V R838
680KOHM +-5% 1/10W
R835 C819
100KOHM +-5% 1/10W 0.001uF
C827
2.2uF/25V
SST
OVPT
Q812 D808
PMBS3906 LL4148
OLP+ +5V
R844 R845
1KOHM +-5% 1/10W 51KOHM +-5% 1/8W
OLP+
P3 P4 P5 P6
R850
510 OHM +-5% 1/10W
D809
R849 LL4148
R848 510 OHM +-5% 1/8W R851
510 OHM +-5% 1/10W 510 OHM +-5% 1/10W
D815
LL4148
R854 R856
510 OHM +-5% 1/10W R855 510 OHM +-5% 1/10W R857
510 OHM +-5% 1/8W 100 OHM +-5% 1/10W
FUSE
+
+ C816 VIN
1u 50v
C802 C838
C801 1u 50v 220uF/35V
220uF/35V
R804
C807 R809
1u 50v
10KOHM +-5% 1/8W
R813
R812
Q805 300KOHM +-5% 1/10W
SST2222A Q806
PMBS3904
C810 C811 DTC144WN3/S ON/OFF
R815
Q807
0.022uF 0.022uF +5V 10KOHM +-5% 1/10W
C812
0.1uF/25V
R816
10KOHM +-5% 1/10W C815
2.2uF/25V
1
R817 D805
27KOHM +-5% 1/10W AZ431AN-AE1
R822
27KOHM +-5% 1/10W
R832
DRV1
10KOHM +-5% 1/8W
R829
1 MOHM +-5% 1/10W 1 16
DRV1 PGND
2 15
DRV2
VDDA 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
IC801 OZ9938GN ENA
C821 R864
2.2uF/25V 10KOHM +-5% 1/8W C822
C820 10NF 25V
R839 15N C828
1 MOHM +-5% 1/10W
0.022uF
2
JP801 3
0 OHM +-5% 1/10W
1 R841
D807 1KOHM +-5% 1/8W
BAV99
T P V ( Top Victory
G2966-C-X-X-1-080527
絬 隔 瓜 絪 腹
FS
Key Component 02.INVERTER
Date Tuesday , May 27, 2008
33
ZD801
RLZ5.6B D820 SM340A
2 1 R802
100 OHM +-5% 1/8W Q802
D801 1 2 4 5
G D
10KOHM +-5% 1/8W SCS140V 3 6
S D
C803 0.047uF R805 2 7
G D
100 OHM +-5% 1/8W 1 8
S D
2 D802 1
DRV1
SCS140V FDS4897C
D821 SM340A
ZD802
RLZ5.6B D822 SM340A TA
2 1 R810
100 OHM +-5% 1/8W Q804
1 D803 2 4 5
G D
10KOHM +-5% 1/8W SCS140V 3 6
S D
C809 0.047uF R814 2 7
G D
100 OHM +-5% 1/8W 1 8
S D
2 D804 1
DRV2
SCS140V FDS4897C
D823 SM340A
TB
ZD804
RLZ5.6B D824 SM340A
2 1 R859
100 OHM +-5% 1/8W Q808
R858 1 D816 2 4 5
G D
10KOHM +-5% 1/8W SCS140V 3 6
S D
C836 0.047uF R860 2 7
G D
100 OHM +-5% 1/8W 1 8
S D
D817 2 1
DRV1
SCS140V FDS4897C
D825 SM340A
ZD805 TC
RLZ5.6B D826 SM340A
2 1 R862
100 OHM +-5% 1/8W Q809
R861 D818 1 2 4 5
G D
10KOHM +-5% 1/8W SCS140V 3 6
S D
C837 0.047uF R863 2 7
G D
100 OHM +-5% 1/8W 1 8
S D
D819 2 1
DRV2 SCS140V FDS4897C
D827 SM340A
R831
R830 91k TD
3.3MOHM +-5% 1/8W
SST
C823 C825
220p
C824
0.047uF
IS
HP 22
Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
PCB NAME 715G2966-A
Sheet 2 of 3
HP LP2275w
F802
0 OHM +-5% 1/4W
+
C805
C804 1u 50v
330u/50v
F804
0 OHM +-5% 1/4W
+
C814
1u 50v
C813
NC
A3
Size
Rev A
HP MODEL
称爹