Hitachi L32A403 Service Manual page 33

From R701
Power R702
FB701 1
Board
C707 C708
R703 R704
100pF 0.01uF
NC/4K7 1/10W 5%
NC/4K7 1/10W 5%
CN701
1 P12V
2 12V
3
4
5
6 C709 C710
7 + C711
8 0.1uF/16V 0.001uF
9 220uF/25V
10
11
12 P24V 24V
CONN
33G327812D C719 C720
C721
+
12P S/T 2.5mm 0.1uF 50V 0.001uF
220uF/35V
+5VSB
5V
L703
33 OHM
C728 C729 + C730
0.1uF/16V 0.001uF 470uF 16V
3V3_STB
R733
2K2 1/10W 5%
R713
PWR_ON
8 PWR_ON
22K 1/10W 5%
+5VSB
R715
47K 1/10W 5%
R717
R718 33K 1/10W 5%
PWR_ON
Q704
10K 1/10W 5% MMBT3904
+5VSB
FB704
1 2
NC/300 OHM
100R 1/10W 5% PS_ON
L706 2.2uH
100R 1/10W 5%
BL_ON_OFF 8
2 120 OHM
BL_BR_CTRL 10
U703
VCC5D
G1084-33T43Uf
3 2
VIN VOUT
C722 C717
0.01uF 0.01uF
+5VSB
+5VSB
R707
R709 1K 1/10W 5%
10K 1/10W 5% PS_ON
R711
Q701
10K 1/10W 5% MMBT3904
Q702
MMBT3904
VCC5D
Q703
1 8
S D
2 7
S D
C746 3 6
S D
4 5
G D
0.47uF/16V
AO4449 -7A/-30V C750 + C749
R732 0.1uF/16V 220uF/25V
0R05 1/10W 5%
C
B E
L32A403
R740
U706
SC194BMLTRT
10K 1/10W 5%
1
VIN LX
2
MODE PGND
3
SY NC/PWM GND
C701 C744 R741 4
+
EN VID1
5
VOUT VID0
100uF 16V 10UF16V 0R05 1/10W 5%
ZD703
NC/BZT52C6V2-7-F
R742 NC
VCC5D
FB702
1 2
300 OHM
C718
C723 C724 + C725
0.01uF
4UF7 10V 0.01uF 220uF 25V
C727 100pF
R721 C748
C765
D3V3 10K 1/10W 5% 0.0022uF
0.022uF/25V
+ C713
100uF 16V
VCC5D
FB703
1 2
300 OHM
C731
C759 C733 + C732
0.1uF/16V
4UF7 10V 0.1uF/16V 220uF 25V
C735 100pF
R706 C737
C740
10K 1/10W 5% 0.0022uF
0.022uF/25V
For Tuner
P12V U708
G9084T43U
3 2
VIN VOUT
C742
0.1uF/16V R1
Vout = 1.25x(R1+R2)/R1
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
33
3V3_STB 3V3_STB
L705
10 3
9 4.7uH
8 73G253S 12 K
7 C767 C705 + C702
6
22uF 0.01uF 100uF 16V
D703 LL4148
U704 C726 73G253S 46 B
SC4524BSETRT
330NF50V L704
8 1
BST SW
7 2 4.7uH
FB IN
6 3
COMP ROSC
5 4 ZD702 R734 R736
SS/EN GND
SM340A 2R2 1/10W 5% 910 OHM 1/10W 1%
R735 R1
C766
68K 1/10W 5% R737
220pF
24K OHM 1% 1/10W
Vout = 1.0x(R1+R2)/R2
R738
R2
30KOHM1/10W
D701 LL4148
U707 C734 73G253S 46 B
SC4524BSETRT
330NF50V L701
8 1
BST SW
7 2 4.7uH
FB IN
6 3
COMP ROSC
5 4 ZD701 R705 R710
SS/EN GND
SM340A 2R2 1/10W 5% 300OHM1/10W
R708 R1
C741
33K 1/10W 5% R712
330pF
2.4K OHM +-1% 1/10W
Vout = 1.0x(R1+R2)/R2
R714
R2
20K 1/10W 1%
8V3 8V3 U709 5VT
AZ1117D-5.0-E1
3 2
INPUT OUTPUT
1
ADJ/GND
C747 + C743 + C745
R716
0.1uF/16V 100uF 16V 100uF/25V
100R 1/10W 1%
R719 560R 1/10W 5%
R2
Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
14-Power PCB NAME 715G3269
Friday , February 13, 2009 Sheet 14 of 15
U702 1V8_STB
AIC1084-18PE
2
IN OUT
C706 C704
+
0.1uF/16V 220uF/10V
D1V8
C761 C762 + C763
0.01uF 22uF 220uF/25V
VCC1V1
C738 C739 + C736
0.1uF/16V 22uF 220uF 10V
12 P24V
10,12,13,15 P12V
6,7,12,13 +5VSB
4,5,6,7,11,12,13 VCC5D
3 5VT
5,6,7,8,10 3V3_STB
3,4,6,7,8,10,12,13 D3V3
8,9,10 D1V8
8,10 VCC1V1
Size Custom
Rev G
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