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9. Schematic Diagram
9.1 Main Board
715G7126M01000004K
Power Input
R741
C700
0R05 OH M
100nF 50V
BL_ON
CN 701
2
R743
4
Scan_BL_ EN
6
0R05OHM1/8W
8
10
12
14
CONN
C703
NC/10N 50V
+5V_SW TO AVDD3V3 (5A)
+5V_SW
U702
R700
3
2
VIN
VOUT
R7122
0R05 1/10W
110R 1/10W 1%
C 722
C723
C718
+
10NF 50V
10UF 10V
C 720
1UF 10% 16V
100N 16V
100UF 16V
VER.D_EMI Solution by Tommy
R 7124
180R 1/10W 1%
Vout = 1.25 x ( 1 + R7124/R7122 )
= 1.25 x (1 + 180 / 110 )
= 1.25 x ( 1 + 1.636 )
= 3.29 V
Buck Converter 4A
C749
N C/2. 2nF 50V
C757
U705
+12V
10NF 50V
9
LX
1
8
PGND
Vo
2
7
3
VI N
EN
6
R750
4
AGND
COMP
5
VC C
FB
C727
C736
C755
R731
AOZ3046PI
10uF 25V
10uF 25V
1uF 25V
15K 1/ 10W 1%
R752
C738
NC/0R 05 1/10W
0. 1uF 50V
Vout = 0.8x(R1+R2)/R2
Vout = 0.8x(1+5.88K/11K) = 1.2276V
Buck Converter 3A
C 740
NC/ 2.2nF 50V
U706
+12V
9
LX
1
8
PGND
Vo
2
7
3
VIN
EN
6
4
AGND
COMP
5
VCC
FB
C730
C731
C 732
AOZ3045I
10uF 25V
10uF 25V
1uF 25V
R751
C733
0R05 1/ 10W
0. 1uF 50V
9/16 Change
R701
R749 to R751
+12V
NC/ 10K 1%
5V_EN
ZD700
C737
C756
2
1
NC/ 1UF
0. 1uF 50V
Vout = 0.8x (1+55K/10K) = 5.2V
RLZ9V1B
R702
Vout = 0.8x(R1+R2)/R2
8/6 Change for
2K 1/ 10W
precision
0R05 OH M
R737
BL_DI M
R738
1
220R +-5% 1/ 16W
3
PW_ON
5
7
9
1
2
FB702
B E AD
11
13
C702
FB708
1
2
BE AD
+12V_Driv er BD
FB701
1
2
B EA D
+12V
C711
C712
C710
STANDBY POW ER 3V3SB
DVDD3V3
+5VSB
U 703
AVDD3V3
3
VIN
VOUT
C750
C751
C752
C725
10NF 50V
C 724
1U F 10% 16V
10UF 10V
10NF 50V
VER.D_EMI Solution by Tommy
R747
N C/1R 1/8W 5%
Close to DC-DC
VCCK
9/16 Change
C757 to
0.01uF
7/2 Change for
precision
L701
2. 2uH
PW _ON
0R05 1/ 10W
4K7 1/10W 5%
R748
+
C739
C734
R745
C741
22UF 16V
C 735
10U F 10V
47pF 50V
2.94K 1%
330UF 6.3V
C726
R734
47pF 50V
2.94K 1%
C742
6. 8nF 50V
R 732
11KOHM +-1% 1/ 10W
R715
Close to DC-DC
NC/ 1R 1/8W 5%
+5VSB
L702
6.8uH
5V_EN
R749
NC/ 0R05 1/ 10W
330UF 6. 3V
C747
+
R717
R 716
C746
C748
2. 7K 1%
20K 1/ 10W 1%
C 745
22UF 16V
10UF 10V
1.2NF
C 744
22pF 50V
R 718
C743
52.3K 1%
2.2NF
R 719
10K +-1% 1/16W
+16V
+12V
1
2
+16V
FB 703 NC/BE A D
C705
C706
1UF 50V
+5V_SW
VCC _A
R792
NC
+5V_SW
AVDD3V3
R793
0R 05 OHM
AVDD3V3
+3V3SB
11
BL_D IMMI NG
2
C 719
+
C753
C721
100N 16V
100UF25V
10NF 50V
VER.D_EMI Solution by Tommy
11
BL_ON/OFF
Core Power 1.20V
NC/10K+-5%1/ 16W
AVDD1V2
FB 705
120R 6A
2
1
C 754
NC/ 22UF
4
35
+5VSB
R703
C716
47K 1/10W 5%
4. 7UF 10% 10V
(+5V_SW ON/OFF):
Norm al: Hi gh
Stand_ By: Low
R705
12KOHM 1/ 10W
Ver.C TV Source AC ON/OFF
VCCK
havw no Picture 1/7
R 707
Q702
BC847C
1K 1/10W
VCC_A
+5VSB TO +5V_SW
AVD D3V3
VCC _A
R706
R798
2K 1%
4.7K 1/16W
R708
0R05 OHM
R709
BL_D IMMI NG
Q703
LMBT3904LT1G
4.7K 1/16W
Pa nel B a ckli gh t VD IM C on tr o l
VCC_A
VC C_A
+3V3SB
R799
R711
4.7K 1/16W
NC
R712
BL_ON/OFF
Q704
LMBT3904LT1G
4. 7K 1/ 16W
C717
NC /100N 16V
R714
R713
NC/100R 1/16W 5%
+3V3SB
+5VSB
+3V3SB
R 727
N C/4. 7K 1/ 16W
R 728
OPWRSB
OPWRSB
Q705
LMBT3904LT1G
4. 7K 1/16W
R 729
4.7K 1/16W
R735
NC/ 0R 1/16W
VCC_A
VCC _A
+3V3SB
NC/ 4.7K 1/16W
R722
R723
NC
R721
Q706
13
sc aning EN
NC/ LMBT3904LT1G
NC/4. 7K 1/ 16W
R725
NC/10K+-5%1/16W
R724
NC/100R 1/16W 5%
GND
4,5, 6,7,8,9,10,11, 12, 13,14,15
T P V
( Top
Vict ory
Elec tronics
Co . ,
Ltd. )
OEM MODEL
絬 隔 瓜 絪 腹
TPV MODEL
Key Component
03. Sy stem Power
PC B NAME
Wednesday , Oc tober 15, 2014
Sheet
3
of
Date
Q701
+5V_SW
1
8
S
D
2
7
S
D
3
6
4
S
D
5
G
D
AO4449 -7A/ -30V
+
C761
C 715
NC/ 0.1uF 50V
220UF 16V
(+5V_SW ON/OFF):
Norm al: High
Stand_By: Low
R708
C710
DC DIM
10K ohm
1uF
PWM DIM
0 OHM
NC
BL_DIM
BL_DIM
8
C713
NC/1UF 10V
BL_ON: 3.3V ON
0V
OFF
BL_ON
BL_ON
BL_ON
15
Pan el B ac kli gh t ON /O FF C o n tr o l
C7114
+
NC /10U F 25V
R794
NC/ 4.7K 1/16W
PW_ON
Main p o wer On /O ff co ntro l
R744
C758
10K
10NF 50V
SCAN_BL_EN
:
3.3V ON
0V OFF
Scan_BL_ EN
Pan el B ack lig h t O N /OF F C o ntr ol
C762
NC/ 100N 16V
Size
Custom
Rev
A
称 爹
15
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