Hisense LHD32K26CEU31, Руководство по обслуживанию, Страница: 34 / 58

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
PWM
SW
1000u/25v
C843
1000U/25V
C860
100k
R870
NC
1
2
VD855
1
2
3
SRF1560
VD852
1000u/25v
C844
1
2
3
4
5
6
7
8
9
10
11
12
13
XP901
T831
T831
2K4
R908
1
2
3
SRF1560
VD854
10u/350v
C848
2K4
R896
100k
R871
104
C845
1k/2W
R833
STB
12V
AUDIO
12V
5VS
STB
AUDIO
1000u/25v
C841
1k/2W
R841
100k/2w
R892
100k
R893
100k
R862
100k
R848
100k
R843
DRV
DRV
OVP
PROT
ISEN
VREF
VREF
ISW
ISW
PDIM
PWM
ENA
12V
UVLS
PDIM
ADIM
UVLS
OVP
FAULT
VREF
103
C709
2U2
C712
MUR460
VD702
1R
R705
1R
R701
224
C714
1
1
3
3
10mH
4
4
2
2
L701
2907
V702
8k2
R726
510k
R725
UVLS
1
VCC
2
ENA
3
VREF
4
RT
5
PWM
6
ADIM
7
TIMER
8
ISEN
10
PROT
11
ISW
12
OVP
13
GND
14
DRV
15
FAULT
16
SSTCMP
9
U701
U701
510k
R724
5N50
V701
102
C708
105
C707
330K
R717
510k
R721
39k
R723
224
C713
10K
R718
510k
R722
120V
10R
R702
10R
R704
10R
R703
ISEN
1
2
3
4
XP-04
XP803
LED1-
LED2-
LED1+
LED2+
NC104/250v
C716
3N50
V703
LED1+
LED2-
PROT
474
C733
120R
R735
10K
R736
1R
R737
1 2
MUR160
VD856
120V
NC104/250v
C719
1 2
MUR160
VD853
FAULT
474/AC250V
C801
474/AC275V
C803
102/AC250V
C805
102/AC250V
C804
270k
R801
10D561
RV801
t
NTC5D-20
RT801
T6.3A/250VAC
F801
PC817B
N833
1K
R863
1N4148
VD836
103/50V
C835
LCL-2420H
L801
LCL-2420H
L802
102/2KV
C806
474/AC275V
C808
10R
R828
102/2KV
C807
300v
300V
BYC10X-600
VD812
473/50V
C819
330R
R822
104/50V
C816
1M0
R823
18V
VZ812
NC
C815
82K R816
102
C818
224/50V
C820
10K
R827
10N60
V810
0.22/3W
R820
1N5408
VD811
20K
R826
68R
R819
5K1
R817
68R
R818
0520
VD815
101/50V
C817
NC
R829
10K
R814
300v
PFC
VCC
PFC
680K
R830
1K0
R864
15K
R865
22K
R868
4K7
R869
1K
R867
474
C849
TL431
N834
270k
R802
270k
R803
68u/50V
C814
0.22/3W
R821
1M0
R824
1M0
R825
1N4148
VD837
1000P/400V
C850
1000P/400V
C851
V
-
4
AC
2
V
+
1
AC
3
10A/600V
VB801
(EMC)
(EMC)
(EMC)
(EMC)
+20V
PFC
+20V VCC
2222
V905
5VS
RG1C
VD902
FR104
VD903
2R2
R915
2
0
k
R
9
1
7
22R
R921
470K/0.5W
R909
1n/2KV
C902
102
C905
68u/50V
C907
471/50V
C911
22R R920
470u/16V
C914
470u/16V
C915
104/50V
C912
PC817B
N902
1K
R923
1K
R922
2K4
R924
2K4
R926
1K
R925
474
C904
TL431
N903
NA
R927
NC
C917
474
C909
104
C910
MMSZ18T1G
VZ903
2K4
R958
PC817B
N904
1K
R931
4K7
R932
104/50V
C918
L
1
N
2
XP-02
XP801
4u7
L904
7
7
4
4
5
5
2
2
3
3
1
1
10
10
9
9
6
6
T803
SB560
VD905
C
+
1
C
-
2
6
8
u
/4
5
0
V
C
8
2
4
C
+
1
C
-
2
68u/450V
C822
2
2
1
/2
K
V
C854
C
2
B
1
E
3
BCP56-10T1G
C
4
V903
5VS
RDY
2
Z
C
D
5
CS
4
CMP
3
G
N
D
6
INV
1
OUT
7
VCC
8
N830
N830
VCC-LLC
1N4148
VD816
1M
R901
1N4148
VD906
100K
R916
100K
R918
2222
V901
100K
R919
2222
V902
224
C900
104
C908
103
C916
D
4
S
8
NC
3
S
5
S
6
S
7
EN
1
BP/M
2
N975
N975
1M
R911
1M
R912
1M
R913
RM11C
VD904
103/275V
C901
104
C903
10k
R910
10N60
V811
68R
R813
512
R811
68R
R812
0520
VD813
NA
R902
NA
R903
HVCC
1
CTR
2
HO
3
NC
4
NC
5
AR
6
NC
7
RT
8
CS
9
SG
10
NC
11
LVcc
12
NC
13
LO
14
NC
15
PG
16
NCP1396
N831
103/630V
C842
22R
R842
104/50V
C836
MUR160
VD831
1N4148
VD803
5K1
R858
68R
R857
22R
R856
PFC
10N60
V831
5K1
R805
68R
R860
22R
R859
10N60
V832
1N4148
VD802
2k4
R847
8k2
R846
6k2
R835
10uF/50V
C852
3K
R834
102/50V
C834
0.51/3W
R840
104/50V
C837
4.7uF/25V
C838
VCC-LLC
VCC-LLC
100K
R933
0R0
R876
FB
L803
0R0
R879
103/50V
C802
0R0
R831
FB
L804
102
C919
20K
R934
10uF/25V
C821
4
3 1 2
5
6
6
L811
2222
V835
5VS
12V
t
NTC5D-20
RT802
NC
C823
0R0 R832
1
2
3
4
XP-04
XP902
12V
18V
VZ831
18V
VZ832
10R
R713
100k/2w
R891
103
C710
330K
R720
10K
R719
SW
ENA
2U2
C711
51K
R716
NC
R727
100p
C703
1K
R714
100p
C730
1k
R734
102
C704
10K
R709
474
C705
330K
R710
104
C706
10R
R708
5K1
R707
NC/1K
R706
80V
350V
10u/350v
C715
10u/350v
C721
NC/220p/1KV
C701
10K
R731
1k/2W
R845
NC
R728
10mH
L702
10mH
L703
10mH
L704
10R
R729
100k
R872
100k
R873
LED =0.3V/2.5R=120mA
LED =6174/51=121KHz
XP903
1
2
3
XP903
3D-PWM
3D-ENA
ADIM
VREF
330K
R711
330K
R712
10K
R715
LTDN42K26CEU
power
board
circuit