海信LED32K16系列液晶(2102板)电源电路原理图
分类:电子电工
日期:
点击:0
5
4
3
2
1
D
D
C
C
B
B
A
A
OVP0
DRV
DRV
PWM
OVP1
DRV
OCP1
SW1
SW1
PWM
OVP0
OVP1
OCP0
PWM
SW
SW1
60V
60V
60V
60V
SW1
PWM
DRV
OCP
OCP
VCC
60V
12V
VCC
12V_VCC
12V_VCC
12V_VCC
OCP
Title
Size
Document Number
Rev
Date:
Sheet
of
A2
1
2
Monday, April 12, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
A2
1
2
Monday, April 12, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
A2
1
2
Monday, April 12, 2010
过压保护电压设定为193V。
调光方式为PWM调光方式。
灯管电流如果设定为120mA,取样电阻为20R与2R2电阻并联而后与2R2电阻串联。
灯管电流如果设定为60mA,取样电阻为10R与27R电阻并联而后与1R电阻串联。
R956
NA 103
R956
NA 103
UVLO
1
OV
2
EN
3
VIN
4
VCC
5
OUT
6
PGND
7
RT
8
CS
9
AGND
10
SHDN
11
FB
12
COMP
13
SS
14
N901
AP3039
N901
AP3039
R926
10K
R926
10K
1
2
VD807
R208
VD807
R208
C934
102/50V
C934
102/50V
C935
102/50V
C935
102/50V
1
2
3
V912
2907
V912
2907
1
2
3
N807
TL431
N807
TL431
C845
104/50V
C845
104/50V
!
F801
T4 AL 250V
F801
T4 AL 250V
R843
5R1
R843
5R1
R802
680K
R802
680K
ADJ
1
GND
4
CS
3
VCC
6
HV
8
FB
2
NC
7
Drv
5
N801
NCP1271
N801
NCP1271
1
2
3
VD817
MBRF20H100
VD817
MBRF20H100
R927
10K
R927
10K
1
2
VD815
MUR460G
VD815
MUR460G
1
G805
G805
R923
20K
R923
20K
R865
2K
R865
2K
R808
1K
R808
1K
R952
1R
R952
1R
R929
330K
R929
330K
C853
68u/250V
C853
68u/250V
C858
1000u/25V
C858
1000u/25V
3
1
2
V901
PFD6N40C
V901
PFD6N40C
L903
TEM2011
L903
TEM2011
C908
103/50V
C908
103/50V
R811
270K
R811
270K
R915
330R
R915
330R
1
G807
G807
1
2
3
V907
2907
V907
2907
R807
680K
R807
680K
R903
20K
R903
20K
!
R822
0
R822
0
C901
10uF/350V
C901
10uF/350V
W917
W917
R914
560K
R914
560K
RV801
TVR10621KSKNY
RV801
TVR10621KSKNY
1
2
3
V833
MMBT2222ALT1G
V833
MMBT2222ALT1G
UVLO
1
OV
2
EN
3
VIN
4
VCC
5
OUT
6
PGND
7
RT
8
CS
9
AGND
10
SHDN
11
FB
12
COMP
13
SS
14
N902
AP3039
N902
AP3039
1
2
VD903
MUR160G
VD903
MUR160G
1
2
3
V904
MMBT2222ALT1G
V904
MMBT2222ALT1G
R801
680K
R801
680K
C850
474
C850
474
R951
2R2
R951
2R2
R848
68R
R848
68R
C861
47uF/50V
C861
47uF/50V
R859
27R
R859
27R
R953
200K
R953
200K
W810
W810
1
2
XP801
XP801
R909
5K1
R909
5K1
1
10
2
3
9
8
7
6
4
5
11
12
T801
BCK-80-TM0047
T801
BCK-80-TM0047
W906
W906
1
2
VD805
R208
VD805
R208
R813
10R
R813
10R
R855
NA 3.9K
R855
NA 3.9K
C822
104/50V
C822
104/50V
R935
2R2
R935
2R2
R846
3K3
R846
3K3
L901
330uH
L901
330uH
RT801
SCK10054LSY505
RT801
SCK10054LSY505
C907
102/50V
C907
102/50V
R941
2R2
R941
2R2
!
R934
100R
R934
100R
C915
102/50V
C915
102/50V
C810
68u/450V
C810
68u/450V
R995
100R
R995
100R
R910
5K1
R910
5K1
R911
1K
R911
1K
W918
W918
C821
104/50V
C821
104/50V
R908
330R
R908
330R
W813
W813
R866
100R
R866
100R
R847
0R33
R847
0R33
C841
1000P/1KV
C841
1000P/1KV
R905
200K
R905
200K
C916
102/50V
C916
102/50V
R947
1R
R947
1R
R940
2R2
R940
2R2
R925
NA 103
R925
NA 103
R949
2R2
R949
2R2
R851
330
R851
330
R916
20K
R916
20K
L805
LEI-200B
L805
LEI-200B
R933
2K
R933
2K
W916
W916
C906
103/50V
C906
103/50V
1
2
VD900
MUR160G
VD900
MUR160G
1
2
VD804
R208
VD804
R208
C904
102/50V
C904
102/50V
1
2
VD806
R208
VD806
R208
R920
0R1
R920
0R1
R856
4K7
R856
4K7
W922
W922
R924
0R1
R924
0R1
1
2
3
V914
MMBTA92
V914
MMBTA92
R936
20R
R936
20R
C812
471/1KV
C812
471/1KV
1
14
2
3
13
12
11
10
9
8
6
7
4
5
15
16
T802
BCK-80-TM0047
T802
BCK-80-TM0047
1
2
3
4
5
6
XP804
XP804
R906
200K
R906
200K
R907
22R
R907
22R
C854
1000u/25V
C854
1000u/25V
R835
100K/2W
R835
100K/2W
1
2
3
4
L803
LCL-3505HU
L803
LCL-3505HU
C910
104/50V
C910
104/50V
1
2
3
V905
MMBT2222ALT1G
V905
MMBT2222ALT1G
R946
0
R946
0
!
R868
5K1
R868
5K1
C902
10uF/350V
C902
10uF/350V
1
2
3
4
V800
BCP56-10T1G
V800
BCP56-10T1G
1
2
3
V911
MMBT2222ALT1G
V911
MMBT2222ALT1G
R931
10K
R931
10K
C859
104/50V
C859
104/50V
C900
104/50V
C900
104/50V
1
2
VD901
MUR160G
VD901
MUR160G
R945
0
R945
0
C820
104/50V
C820
104/50V
R918
200K
R918
200K
W919
W919
C856
47uF/50V
C856
47uF/50V
R844
3K9
R844
3K9
C848
1000P/1KV
C848
1000P/1KV
R863
2K
R863
2K
C851
1000u/25V
C851
1000u/25V
1
2
VZ802
MMSZ16T1G
VZ802
MMSZ16T1G
W809
W809
W817
W817
C909
220P
C909
220P
R904
22R
R904
22R
R901
560K
R901
560K
R928
330K
R928
330K
R900
560K
R900
560K
R954
200K
R954
200K
W905
W905
C843
103/50V
C843
103/50V
R913
200K
R913
200K
R860
18K
R860
18K
W923
W923
C804
224/AC250V
C804
224/AC250V
1
2
VD822
FR104
VD822
FR104
1
2
3
4
N808
PC817
N808
PC817
2
1
3
V902
Value
V902
Value
1
2
3
4
L804
LCL-3505HU
L804
LCL-3505HU
R917
1K
R917
1K
2
1
3
V903
Value
V903
Value
R932
2K
R932
2K
C912
105/50V
C912
105/50V
!
!
R864
10K
R864
10K
R943
0
R943
0
1
2
3
V915
MMBTA92
V915
MMBTA92
R986
330R
R986
330R
C914
104/50V
C914
104/50V
R985
330R
R985
330R
1
2
VD820
1N4148
VD820
1N4148
2
1
3
V801
FQPF8N80C
V801
FQPF8N80C
R930
10K
R930
10K
C857
NA 474
C857
NA 474
R997
100R
R997
100R
1
2
VD913
MBR0520
VD913
MBR0520
R849
10K
R849
10K
R912
560K
R912
560K
R955
20K
R955
20K
C860
47uF/50V
C860
47uF/50V
R819
NA 150K
R819
NA 150K
1
2
3
4
Q803
Q803
C855
220P/1KV
C855
220P/1KV
3
1
2
V900
PFD6N40C
V900
PFD6N40C
!
!
R948
0
R948
0
C903
104/50V
C903
104/50V
R861
680
R861
680
1
2
VD808
R208
VD808
R208
C840
222/AC400V
C840
222/AC400V
1
2
VD902
MUR160G
VD902
MUR160G
C847
102/50V
C847
102/50V
C809
68u/450V
C809
68u/450V
W915
W915
R938
2R2
R938
2R2
C905
220P
C905
220P
R942
10K
R942
10K
1
2
VD914
MBR0520
VD914
MBR0520
W928
W928
L900
330uH
L900
330uH
C802
471/AC 400V
C802
471/AC 400V
R869
NA 100K
R869
NA 100K
1
2
3
4
XP901
XP901
R919
200K
R919
200K
C852
104/50V
C852
104/50V
R921
510K
R921
510K
C801
471/AC 400V
C801
471/AC 400V
R850
68R/2W
R850
68R/2W
W818
W818
C807
471/1KV
C807
471/1KV
C831
470p/63V
C831
470p/63V
1
2
3
V906
MMBT2222ALT1G
V906
MMBT2222ALT1G
R803
680K
R803
680K
1
2
VZ801
MMSZ16T1G
VZ801
MMSZ16T1G
R922
510K
R922
510K
R867
100K
R867
100K
C803
224/AC250V
C803
224/AC250V
C913
105/50V
C913
105/50V
R993
6K8
R993
6K8
1
2
3
4
Q804
Q804
R858
1K
R858
1K
!
1
G808
G808
L902
TEM-2011
L902
TEM-2011
C868
104/50V
C868
104/50V
R937
20R
R937
20R
R944
10K
R944
10K
C911
104/50V
C911
104/50V
1
2
3
4
L807
L807
R806
680K
R806
680K
C975
103/50V
C975
103/50V
C930
102/50V
C930
102/50V
C974
103/50V
C974
103/50V
R902
200K
R902
200K
R939
1K
R939
1K
C932
102/50V
C932
102/50V
1
2
VD813
RG1C
VD813
RG1C
2011.03.29
西安赛维
刘长军
立即购买
下载本素材需消耗 10 积分
无法下载?立即反馈
标签:
版权声明
1. 本站所有素材,仅限学习交流,仅展示部分内容,如需查看完整内容,请下载原文件。
2. 会员在本站下载的所有素材,只拥有使用权,著作权归原作者所有。
3. 所有素材,未经合法授权,请勿用于商业用途,会员不得以任何形式发布、传播、复制、转售该素材,否则一律封号处理。
4. 如果素材损害你的权益请联系客服QQ:77594475 处理。