Haier HL42XP22 Service Manual page 38

14) Power
From
R702
Power
FB701 1
Board
C707 R703
C708
0.1uF/16V 10K 1/10W 5%
0.01uF
CN701 C703
220pF
1 P12V
2 12V
3
4
5
6 C709 C710 C711
7
+ +
8
9 10uF/25V 1uF 100uF/25V
10
11
12 P24V 24V
CONN
33G327812D C719 C720 C721
+ +
12P S/T 2.5mm
10uF/50V 1uF 100uF/35V
+5VSB
5V
C728 C729 C730
+
100uF/16V
1uF/16V 10U 16V
R749 100R 1/10W 5%
8 PWR_ON
C773
NC
47K 1/10W 5%
R718
PWR_ON
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PS_ON
100R 1/10W 5%
BL_ON_OFF 8,10
2 120OHM
BL_BR_CTRL 10
U703
VCC5D D3V3
G1084-33T43Uf
3 2
VIN VOUT
C774 C717 C713
+
0.1uF/16V 0.1uF/16V 470uF10V
+5VSB
3V3_STB
3V3_STB R707
R709 NC
PS_ON
NC
R733
1K 1/10W 5% R711
Q701
R713 NC NC
Q702
NC NC
R748 100R 1/10W 5%
+5VSB VCC5D
Q703
1 8
S D
2 7
S D
C746 3 6
S D
R715 4 5
G D
0.47uF/16V
47K 1/10W 5% AO4449 -7A/-30V C750 + C749
R732 0.1uF/16V 470uF10V
0R05 1/10W 5%
R717
33K 1/10W 5%
Q704
MMBT3904
+5VSB
FB704
U706 L705 4.7uH
1 2 4 3
VIN LX
300 OHM
C701 100pF
C744 C777
R741
10U 16V 1uF/16V 1 5
EN VFB
51K1/10W
R742
G5622ADJT11U
11.3KOHM +-1% 1/10W
VCC5D
FB702
D703
1 2
300 OHM
C718 C723 C724 C725
U704
0.1uF/16V 10U 16V 0.1uF/16V 1uF/16V SC4524BSETRT
8
BST
7
FB
C727 10pF 6
COMP
R721 C748 5
SS/EN
13K OHM 1/10W 680pF C765
0.01uF
VCC5D
FB703
D701
1 2
300 OHM
C731 C759 C733 C776
U707
0.1uF/16V 10U 16V 0.1uF/16V 1uF/16V SC4524BSETRT
8
BST
7
FB
C735 10pF 6
COMP
R706 C737 5
SS/EN
C740
13K OHM 1/10W 680pF
0.022uF/25V
P12V U708
3
VIN VOUT
C742 + C743
1uF 10uF/25V
38
3V3_STB
3V3_STB U702
AIC1084-18PE
C767 C705 + C702 C778 3
IN
22uF 0.1uF/16V 220uF 10V 10uF 10V
C775
10U 16V
LL4148
C726
330NF50V L704
1
SW
2 4.7uH
IN
3
ROSC
4 ZD702 C766 C761
GND
SM340A 0.001uF 0.1uF/16V
R735 R1
R737
15K 1/10W 5%
24K OHM 1% 1/10W
Vout = 1.0x(R1+R2)/R2
R738
R2
30KOHM1/10W
LL4148
C734
330NF50V L701
1
SW
2 4.7uH
IN
3
ROSC
4 ZD701 C741
GND
SM340A 0.001uF
R708 R1 R712
15K 1/10W 5% 24K OHM 1% 1/10W
Vout = 1.0x(R1+R2)/R2
R714
R2
180K 1/10W 1%
5VT
L707 4.7uH
2
+ C768 + C772 + C745
100uF/25V 10uF/25V
220uF10V
1V8_STB
2
OUT
C706 + C704
0.1uF/16V 470uF10V
D1V8
C779
C762 C763
+
10uF 10V
22uF 470uF10V
VCC1V1
C780
C738 C739 + C736
10uF 10V
0.1uF/16V 22uF 220uF 10V
12 P24V
10,12,13,15 P12V
6,12,13 +5VSB
4,5,6,7,11,13 VCC5D
3 5VT
5,7,8,10 3V3_STB
3,4,6,7,8,10,13 D3V3
8,9,10 D1V8
8,10 VCC1V1