Haier L42C1180, Service Manual

Page: 62 / 69

62
14) Power
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
U707
G5627F11U
C741
1UF/25V
C733
0.1uF/16V
C734
NC/0.068uF/16V
C740
0.1uF/16V
R705
10K 1/10W
R708
10R 1/10W 5%
L701
4.7uH
C738
0.1uF/16V
C739
22uF
C731
1UF/25V
C735
1000pF
Vout = 0.8x(R1+R2)/R2
R714
-1% 1/10W
R1
R2
R712
-1% 1/10W
+ C736
220uF 10V
73G253S 46 B
C759
4UF7 10V
+ C732
220uF 25V
VCC5D
1 2
FB703
300 OHM
VCC1V1
R733
2.2K 1/10W 5%
+ C730
470uF/10V
+ C713
220uF/10V
+ C745
220uF/10V
+ C749
470uF 16V
+ C743
100uF 16V
+
C704
220uF/10V
1 2 FB701 120OHM
PS_ON
PS_ON
PWR_ON
PWR_ON
1
2
3
4
5
6
7
8
9
10
11
12
CN701
CONN
R702 100R 1/10W 5%
C709
0.1uF/16V
R719 560R 1/10W 5%
OUT
2
IN
3
GN
D
1
U702
AIC1084-18PE
C750
0.1uF/16V
C729
0.001uF
R717
33K 1/10W 5%
Q701
MMBT3904
C719
0.1uF 50V
Q702
MMBT3904
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q703
AO4449 -7A/-30V
VIN
3
VOUT
2
AD
J
1
U708
G9084T43U
C746
0.47uF/16V
R701 100R 1/10W 5%
R716
100R 1/10W 1%
R709
10K 1/10W 5%
C706
0.1uF/16V
R718
47K 1/10W 5%
R732
0R05 1/10W 5%
C747
0.22UF 25V X7R
Q704
MMBT3904
VOUT
2
VIN
3
GN
D
1
U703
G1084-33T43Uf
+ C721
220uF/35V
R711
10K 1/10W 5%
C722
0.01uF
R715
47K 1/10W 5%
C717
0.01uF
ADJ/GND
1
OUTPUT
2
INPUT
3
U709
AZ1117D-5.0-E1
R704
NC/4K7 1/10W 5%
L703
33 OHM
C720
0.001uF
C708
0.01uF
C710
0.001uF
C761
0.01uF
C728
0.1uF/16V
R713
47K 1/10W 5%
D1V8
C742
0.1uF/16V
Vout = 0.8x(R1+R2)/R2
R736
1.8K OHM 1/10W 5%
R707
1K 1/10W 5%
R737
24K OHM +-1% 1/10W
R738
20K 1/10W 1%
C726
0.1uF/16V
VCC5D 4,5,6,7,11,12,13
VCC1V1 8,10
C727
1UF/25V
D3V3 3,4,6,7,8,10,12,13
+5VSB 6,7,12,13
D1V8 8,9,10
P24V 12
3V3_STB 5,6,7,8,10
P12V 10,12,13,15
5VT 3
C718
1UF/25V
R721
10R 1/10W 5%
73G253S 46 B
C765
1000pF
C766
NC/0.068uF/16V
C774
0.1uF 50V
C772
0.1uF 50V
8V3 5VT
C724
0.01uF
C771
1N50V
R749
0R05 1/10W
+
C763
470uF 16V
VCC5D
P12V
+ C702
220uF16V
+ C725
470uF 16V
+
C701
100uF 25V
L704
4.7uH
1V8_STB 3V3_STB
C773
330P 50V
1 2
FB702
300 OHM
R1
+5VSB
+5VSB
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
U704
G5627F11U
C768
10uF 16V
8V3
C744
22uF 10V
R2
P12V
R748
-1% 1/10W
C723
4UF7 10V
VCC5D
C762
22uF
L705 4.7uH
+ C711
220uF/25V
3V3_STB
FB704
NC / 33 OHM
R735
10K 1/10W
C769
0.1uF 50V
VCC5D D3V3
C767
22uF/ 10V
R742
15 OHM 1/10W
R740
10R 1/10W 5%
R750
15K 1/10W 1%
+5VSB
+5VSB
3V3_STB
+5VSB
P24V
C770
NC
BL_ON_OFF 8
VCC
1
REF
2
GND
3
FB
4
EN
5
PGND
6
LX
7
VIN
8
U706
G5692P11U
12P S/T 2.5mm
From
Power
Board
5V
BL_BR_CTRL 10
PWR_ON 8
C705
330P 50V
R1
B
12V
24V
33G327812D
Vout = 1.25x(R1+R2)/R1 R2
C
E
R741
10K 1/10W
R1
For Tuner
1
2
ZD703
NC/BZT52C6V2-7-F Standby
R2
Vout = 0.8x(R1+R2)/R2
L706 2.2uH
R703
10K 1/10W 5%
C707
0.1uF/16V