Power - Dynex DX-40L260A12 Service Manual

40"LCD TV

12) Power

FB707
From FB701
C701 C702 FB708
Power
10N 50V 10N 50V R706 R707
Board
10K 1/10W 10K 1/10W
CN701
P12V
1
2
3
4
5
6
C715 + C714
7
8
0.1uF 50V 100UF 16V
9
SMT
10
11
12 P24V
13
CONN
C719 C717
13P R/A 2.5mm
0.1uF 50V 1UF
311GW250B13BBX
+5VSB
FB703
1 2
BEAD
33 ohm
C725 C726 + C724 ZD701
0.1uF 50V 0.1uF 50V 220UF 16V NC/BZT52-C5V6
SMT
+5VSB
R720
3V3_STB
47K 1/10W 5%
R745
R724
4.7K 1/10W
R725 47K 1/10W 5%
PWR_ON
7 PWR_ON
Q703
22K 1/10W MMBT3904
+5VSB
C
R743
B E
10K 1/10W
R747
R748 10K 1/10W
PWR_ON
7 PWR_ON
Q707
22K 1/10W MMBT3904
Back Light Control Invert
VCC3_3
VCC3_3
R759
R760 NC/4.7K
NC/4.7K BL_BR_CTRL_INV
R761
BL_BR_CTRL
Q708
NC/22K NC/MMBT3904
R701 NC/100R PWR_OK
PWR_OK 9
R705 NC/10K 1/10W PWR_ON
R702 100 OHM 1/10W PS_ON
1 2 BL_ON_OFF
300OHM
BL_ON_OFF 7
1 2 BL_BR_CTRL
300OHM
BL_BR_CTRL 7,9
1 2
NC/300OHM BL_BR_CTRL_INV
5V
VCC3_3
VCC5D
Q702
1 8
S D
2 7
S D
3 6
C736
S D
4 5
G D
0.33uF 16V VCC3_3
AO4449 -7A/-30V
C738 + C737
R722
0.1uF 50V 220UF 16V
0R05 1/10W SMT
+5VSB
R742
1K 1/10W
PS_ON
Q706
MMBT3904
Standby Power
+5VSB U701 3V3_STB
AZ1117D
3 2
VI VO
C703
C704 + C706
1UF16V
0.1uF 50V 100UF 16V
SMT
VCC5D U704 VCC3_3
G1084-33T43Uf
3 2
VIN VOUT
C727
C733 + C728
1UF16V
0.1uF 50V 220UF 16V
SMT
MSD_1V1
U710
G9141T11U
1 5
IN OUT
2
C769
GND
R752 C770
3 4
1UF16V
SHDN SET
2.7KOHM +-1% 1/10W 4.7uF 10V
C771 C775
R1
10N 50V 10N 50V
R753 0402
620R 1/10W 1%
Vout = 1.0x(R1+R2)/R2
R754 15K 1/10W 1%
R2
When DDR 400MHz, R753 use 100R 1%
When DDR 450MHz, R753 use 560R 1%
U711 AFE_1V1
G9141T11U
1 5
IN OUT
2
C720
GND
R756 C721
3 4
1UF 10V
SHDN SET
0402 1K5 OHM 1/16W 1% 4.7uF 10V
0402
R1
R757
220R +-5% 1/16W
Vout = 1.0x(R1+R2)/R2 0402
R758 15K 1%
0402
R2
P12V U712 5V_HP
G9117-50T63U
3 2
VIN VOUT
C774
C773
1UF16V
1UF16V
43
3V3_STB U703
G9141T11U
1 5
IN OUT
2
C716
GND
3 4
1UF16V
SHDN SET
C722
R1
10N 50V
0402
Vout = 1.0x(R1+R2)/R2
VCC5D U705 PLL3_3
G1117-33T63Uf
3 2
VI VO
C729 C734
1UF16V 10uF 10V
R749
VCC5D 073G253S 68
U706
FB706 SC189ASKTRT
470OHM1/10W L704
1 2 1 5
VIN LX
120R/6000mA 2.2uH
3 4
C731 C764 C765
EN VOUT
R750
4.7uF 10V 10uF 10V
0.1uF 50V C766 2R2 +-5% 1/8W
1UF16V
C768
4N7 50V
Vout = 1.0x(R1+R2)/R2
VCC5D
FB704
R726 100 OHM 1/10W
1 2
300 OHM R727
C739 C707 U707 C740
AT1528P11U
4.7uF 10V 0.1uF 50V 10 OHM 1/10W 10uF 10V
1 8
2 VCC VIN 7
3 REF LX 6
GND PGND
C741 C742 C743 4 5
FB EN
1UF16V 0.1uF 50V C746
0.1uF 50V
0.1uF 50V
Vout = 0.8x(R1+R2)/R2
For Tuner
P12V U709 5VT
G9084-50TU3U
3 2
R736 2.2 OHM
VIN VOUT
+ C757 C761 C762 +
100UF 16V 0.1uF 50V 10uF 10V
SMT
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
G4522-M0H-000-0040-1-110215 TPV MODEL
絬 隔 瓜 絪 腹
Key Component 12-Power PCB NAME
Tuesday , February 15, 2011 Sheet
Date
Best Buy DX-40L260A12
1V1_STB
R715 C718
1.5K +-1% 1/10W 4.7uF 10V
R717
220 OHM 1/10W
R718 15K 1/10W 1%
R2
C730
0.1uF 50V
H VCC1_8
R719 C735 C776 + C732
12K 1/10W 10uF 10V 0.1uF 50V 100UF 25V
C767
R1
0.1uF 50V
R721
220R 1/10W 1%
R723 15K 1/10W 1%
R2
073G253S 68 H VCC1_1
L702
2.2uH
+
R755 R728 C745 C777 C744
2R2 +-5% 1/8W 6.2K 1/10W 10uF 10V 0.1uF 50V 220uF 16V
C747
R1
C772 10N 50V
R730
4N7 50V
820R 1/10W 1%
R732 15K 1/10W 1%
R2
3,5,7,9,11 +5VSB
3,4,5,7 3V3_STB
7 1V1_STB
11 P24V
7,9,11 P12V
3 5VT
10 5V_HP
6,10,11 VCC5D
4,5,6,7,9,10,11 VCC3_3
C758
9 PLL3_3
100UF 16V
SMT
4,9 AFE_1V1
8,9 VCC1_8
9 VCC1_1
9 MSD_1V1
Size Custom
Rev F
715G4522
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