Hitachi Alpha L42A404, Service Manual

Page: 25 / 72

L42A404
25
14. Power
D701 LL4148
+
C719
10uF/50V
ZD701
SM340A
U708
VIN
3
VOUT
2
GN
D
1
C734
330NF50V
PWR_ON
R742
11.3KOHM +-1% 1/10W
R714
180K 1/10W 1%
+ C702
220uF 10V
R712
24K OHM 1% 1/10W
P12V 10,12,13,15
+5VSB 6,12,13
VCC5D 4,5,6,7,11,13
+
C730
100uF/16V
C733
0.1uF/16V
C731
0.1uF/16V
L705 4.7uH
3V3_STB 5,7,8,10
5VT 3
D3V3 3,4,6,7,8,10,13
D1V8 8,9,10
+
C772
10uF/25V
VCC1V1 8,10
+ C743
10uF/25V
C778
10uF 10V
C767
22uF
R708
15K 1/10W 5%
L701
4.7uH
R735
15K 1/10W 5%
C765
0.01uF
+
C736
220uF 10V
U706
G5622ADJT11U
VIN
4
EN
1
LX
3
VFB
5
GN
D
2
C708
0.01uF
C738
0.1uF/16V
R737
24K OHM 1% 1/10W
R738
30KOHM1/10W
P24V 12
C744
10U 16V
U707
SC4524BSETRT
SW
1
IN
2
ROSC
3
GND
4
BST
8
FB
7
COMP
6
SS/EN
5
TH1
9
D1V8
C777
1uF/16V
C779
10uF 10V
C739
22uF
5V
C727 10pF
From
Power
Board
12P S/T 2.5mm
C735 10pF
Vout = 1.0x(R1+R2)/R2
R706
13K OHM 1/10W
C737
680pF
C748
680pF
R721
13K OHM 1/10W
R717
33K 1/10W 5%
C746
0.47uF/16V
FB701 120OHM
1 2
24V
33G327812D
+
C711
100uF/25V
C723
10U 16V
R2
C774
0.1uF/16V
C725
1uF/16V
12V
C759
10U 16V
R1
C776
1uF/16V
U703
G1084-33T43Uf
VOUT
2
VIN
3
GN
D
1
VCC5D
C717
0.1uF/16V
C766
0.001uF
FB704
300 OHM
1 2
R703
10K 1/10W 5%
PWR_ON 8
C750
0.1uF/16V
3V3_STB
R709
NC
+
C721
100uF/35V
C707
47KOHM
Q701
NC
+
C704
470uF10V
CN701
CONN
1
2
3
4
5
6
7
8
9
10
11
12
R713
NC
+5VSB
+
C709
10uF/25V
R711
NC
C729
10U 16V
C741
0.001uF
Q702
NC
R749 100R 1/10W 5%
R707
NC
+ C749
470uF10V
+5VSB
R715
47K 1/10W 5%
3V3_STB
R733
1K 1/10W 5%
+
C763
470uF10V
R748 100R 1/10W 5%
PS_ON
C728
1uF/16V
P24V
C710
1uF
C720
1uF
C742
1uF
C775
10U 16V
BL_BR_CTRL 10
C773
NC
BL_ON_OFF 8,10
+
C713
470uF10V
R718
47K 1/10W 5%
C703
220pF
L707 4.7uH
73G253S 46 B
73G253S 46 B
+
C768
100uF/25V
Rework
Rework
Rework
+ C745
220uF10V
P12V
Q703
AO4449 -7A/-30V
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
+5VSB
R702 100R 1/10W 5%
PS_ON
C701 100pF
VCC5D
+5VSB 3V3_STB
P12V 5VT
C780
10uF 10V
D3V3
R732
0R05 1/10W 5%
C740
0.022uF/25V
VCC5D
VCC1V1
1V8_STB
C706
0.1uF/16V
3V3_STB
C705
0.1uF/16V
U702
AIC1084-18PE
OUT
2
IN
3
GN
D
1
VCC5D
ZD702
SM340A
FB703
300 OHM
1 2
Vout = 1.0x(R1+R2)/R2
C761
0.1uF/16V
L704
4.7uH
C726
330NF50V
C718
0.1uF/16V
R1
FB702
300 OHM
1 2
D703 LL4148
U704
SC4524BSETRT
SW
1
IN
2
ROSC
3
GND
4
BST
8
FB
7
COMP
6
SS/EN
5
TH1
9
C724
0.1uF/16V
R2
C762
22uF
Q704
MMBT3904
R741
51K1/10W