Hisense LTDN24K26CEU Service Manual page 32

5
vin1
R832 R832
10K 10K ena R824 R824
ON/OFF DIM 2K 2K PWM
R865 R865 R858 R858
C823 C823 100K 100K C831 C831 104 104
R845 R845
104 104 102 102 100K 100K
D
22R 22R
ISEN1~8 Active SEL =GND
ISEN1~6 Active SEL =VREF
ISEN1~4 Active SEL =NC
C
2K 2K
102 102
C835 C835 C836 C836
B
C838 C838
A
R866 R866
C839 C839
0 0
5
4
12v C833 C833
VD811 VD811
W814 W814 100U 100U SR560 SR560
L804 L804
1 2
R840 R840 R834 R834 vin
V829 V829
22R 22R 22R 22R
10K 10K
R916 R916
C827 C827
C840 C840 104 104 AOD444 AOD444 W809 W809
56R 56R R898 R898
R847 0 R847 0
R825 R825
ISW
R895 0R R895 0R 1 2
VD821 VD821
200r 200r ena
C824 C824
ISW 0.48-06V OVER-CURRENT PROTECT
101 101
R864 R864
0 0 N834 N834
13
ENA RT
ISW
14
ISW ISET
ISEN5
15
ISEN5 OVP
drv 16
LDR ISEN7
17
VERF ISEN6
C829 C829 1K 1K vin 18
GNDP ISEN8
R861 R861 4.7U 4.7U R860 R860 19
VIN GNDA
100K 100K
20
R859 R859
SEL ISEN4
OR OR
21
COMP ISEN3
22
SSTCMP ISEN2
23
NC ISEN1
R863 R863
24
STATUS PWM
470N 470N
R885 R885
0R 0R
R842 R842 ena N835 N835
22R 22R
13
ENA
R844 R844 14
ISW ISET
0 0
ISEN6 15
ISEN5 OVP
16
LDR ISEN7
17
VERF ISEN6
C832 C832 vin1 18
GNDP ISEN8
R881 R881 19
VIN GNDA
20
R882 R882 R880 R880
SEL ISEN4
21
COMP ISEN3
22
SSTCMP ISEN2
23
NC ISEN1
R884 R884
24
STATUS PWM
4
3
vled
C830 C830
C821 C821
R897 R897
0R22 0R22
drv
R841 R841
0 0
R846 R846
0 0
R835 270K R835 270K
12
R848 R848
11 30k 30k
ovp
10
nc nc R862 R862
9
8
7
6
5
4
3
2
PWM
W815 W815
1
R838 R838
12
RT
R849 R849
11
ovp1
10
R883 R883
9
8
7
6
5
4
3
2
PWM
1
3
2
R836 R836
W821 W821 ovp
R843 0 R843 0
R839 R839
ovp1
R837 R837
母板上插孔18个焊盘，可以控制16路LED，根据需要选用
ISEN5
Title Title Title
Size Size Size
Date: Date: Date:
2
1
vled
XP806 XP806
18
17
16
15
14
13
12
11
ISEN6 10
9
8
7
6
5
4
S-RSAG7_820_4176-HX S-RSAG7_820_4176-HX
3
2
vled 1
<Title> <Title> <Title>
Document Number Document Number Document Number
A3 A3 A3 <Doc> <Doc> <Doc>
Tuesday, July 27, 2010 Tuesday, July 27, 2010 Tuesday, July 27, 2010 Sheet Sheet Sheet 1 1 1 of of of 1 1 1
1
D
C
B
A
Rev Rev Rev
<RevCode> <RevCode> <RevCode>