Power Board - Haier LT19Z6 Service Manual

10.2 Power Board

For LT19Z6
715G3762
1. POWER
!
C949
! 0.001uF/1KV
BD901
KBP208G ! !
C902 C903
+ +
+
4 1
- 33UF 450V 33UF 450V
!
C948
0.001uF/1KV
! !
C921 C922
680pF 680pF
!
L903
15mH
4 3
C916
47N 50V
1 2
!
C915
!
C920
1nF50V
! R920 !
620K 1/4W
R919
R921
620K 1/4W
620K 1/4W
!
NR901 !
NTCR
F901
FUSE
84G 56 1 C
CN903
CONN
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POWER X'FMR
10
R9 03 R904
100K 1/4W 100 K 1/4 W
9
R906
3.3K 1/4W C9 08
0.1NF2KV R908 R9 09
8
100K 1/4W 100K 1/4W
7
R910
3.3K 1/4W
6
D909
PR1007
1N4148-B4006 R9 12
R913 D911 2.2 OHM 1/4W
3.3K 1/4W
!
Q901
STP10NK70ZFP
R914 R915
IC901 22 OHM 1/8W 10K 1/8W
1 8
CT HV
2 7
COMP NC
3 6
4 CS VCC 5
GND OUT
D912
LD7576 + AU02
C918 C917 !
100N 50V 47UF 35V
R922
0.68 OHM +-5% 2WS
R923
470OHM +-5% 1/8W
C9 23
22N 25V
!
C9 19
0.001uF/250V
C901
! R9 01
100 OHM 1/4W
T901 2N2 500V
R9 02
100 OHM 1/4W
1
D901
SR515
+
2 C905
3
D915 68UF 25V
SR515
5
4
D908
SR506
D910
SR506 + C911
470uF 10V
C914
2N2 500V
47 OHM 1/4W
R9 16
47 OHM 1/4W
R9 17
R918
220R 1/8W 5%
!
IC902
56G 139 3A
PC123X2YFZOF
R924
1K 1/8W
510OHM +-5% 1/8W
R927
ZD903
Q903
MTZJ T-72 22B
PMBT3904
R928 C925
1K 1/8W 100N 25V ZD902
MTZJ T-72 22B
KIA431A-AT/P
IC903
42.9V
NC
69
Coil
L901
+16V
C907
+
C909
270UF 25V
100N 50V
Coil
L902
+5.2V
+
C913
C912
100N 50V
470uF 16V
ON/OFF
DIM
C946
1nF50V
+16V
+5.2V
R92 5
43K 1/8W 1%
R926
3K9 1/8W 1%
42.9V
C92 4
0.22uF 50V
LED1
R92 9
LED2
2K 1/8W 5%
LED3
LED4
LED5
LED6
56G 158 12
R93 1
2K43 1/8W 1%
42.9V
C944
1nF50V
C945
1nF50V
DIM
CN902
1
2
3
4
5
6
7
8
9
10
11
12
13
CONN
CN904
10
9
8
7
6
5
4
3
2
1
CONN
CN906
1
2
3
CONN
CN905
1
2
3
CONN