5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
3.3V_STB
3.3V_Normal
Connector
H :Power on
L :Power off
Inverter controler
3.3V_STB
Test Point & MARK
3.3V_Normal
1.2V
T2 demod power 1.2V
靠近
DC-DC
靠近
DC-DC
Vout=0.6V*(1+R1/R2)=1.523V
R1
R2
1A Max
1.5V Power for DDR3 STR
for T2 demod
Power,chip
无
T2
demod
，此电源可以拿掉
(19.6/41.2)+1)*0.8=1.18V
VDDC
STANDBY
DIMMING
BL_EN
BL_EN
DIMMING
AGND
GND
+5V_Standby
+5V_Standby
+3.3V_Standby
+3.3V_Normal
+5V_Normal
+5V_Normal
+1.2V_Demod
+1.5V_DDR
+5V_Normal
+1.15V_VDDC
+5V_USB
+12V_Normal
+5V_Normal
+5V_Normal
+3.3V_Standby
+5V_Standby
+1.5V_DDR
+5V_Normal
+5V_USB
+12V_Normal
+12V_PWR
STANDBY
15,16
PWR_ON/OFF
3
BRI_ADJ
3
VBL_CTRL
3
BL_EN
16
DIMMING
16
GND
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
GND
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
L1009 120R/FBI
1
2
L103
MPIT4018T3R3NT
Q45
PMBT3904
1
2
3
H2
CON2
1
2
H113
1
2
3
4
5
6
7
8
9
R6805
100R
R116
20K/1%
C1548
1000pF
C1537
1000pF
H105
1
R1442
10K_1%
C1529
1000pF
Q46
MMBT3904
G
N
D
O
U
T
IN
U104
AZ1117EH-3.3TRG1
3
2
1
4
U501
MP1471AGJ
EN
5
GND
1
VIN
3
FB/OUT
4
SW
2
BST
6
C1545
1000pF
C149
0
.1uF
/16V
/Y5V
C1530
0
.1uF
/16V
/Y5V
C173
0
.1uF
/16V
/Y5V
C1550
NC
C1541
1000pF
C148
0
.1uF
/16V
/Y5V
R6807
4K7
C1533
1000pF
C1539
1000pF
C1534
0
.1uF
/16V
/Y5V
G
N
D
O
U
T
IN
U115
AZ1117EH-1.2TRG1
3
2
1
4
H103
1
2
3
4
5
6
7
8
9
R113
13K/1%
R54
1.2K
C1563
0
.1uF
/16V
/Y5V
H117
1
C147
0
.1uF
/16V
/Y5V
H111
1
C1547
1000pF
C175
4
.7uF
/10V
/X5R
C521
0
.1uF
/50V
/X5R
L505
2.2uH/3A
C1528
0
.1uF
/16V
/Y5V
C1443
10uF
/25V
/X5R
R6806
1K
R31
1K
H107
1
C512
220uF
/10V
/LowESR
R1439
100K
H101
1
2
3
4
5
6
7
8
9
C1561
0
.1uF
/50V
/X5R
G
N
D
O
U
T
IN
U110
AZ1117EH-3.3TRG1
3
2
1
4
C145
0
.1uF
/16V
/Y5V
H3
CON2
1
2
R42
22K
C1562
0
.1uF
/16V
/Y5V
H115
1
R136
200R
R133
4.7K
C117
4
.7uF
/10V
/X5R
L1008120R/FBI/NC
1
2
H1
CON2
1
2
C93
0
.1uF
/16V
/Y5V
C116
0
.1uF
/16V
/Y5V
C1536
0
.1uF
/16V
/Y5V
R36
2.2K/NC
C1543
0
.1uF
/16V
/Y5V
C524
10uF
/10V
/X5R
C506
1uF/25V/X5R
C1531
1000pF
C1544
0
.1uF
/16V
/Y5V
C1542
0
.1uF
/16V
/Y5V
C115
0
.1uF
/16V
/Y5V
H104
1
2
3
4
5
6
7
8
9
C1540
0
.1uF
/16V
/Y5V
H118
1
C1535
1000pF
H112
1
C1532
0
.1uF
/16V
/Y5V
C143
10uF
/10V
/X5R
C1538
0
.1uF
/16V
/Y5V
+
CE38
100uF
/16V
/l
owESR
U109 SY8008B
EN
1
GND
2
SW
3
VIN
4
FB
5
C1549
1000pF
C505
10uF
/25V
/X5R
H110
1
R1440
41.2K_1%
C146
10uF
/10V
/X5R
C1546
0
.1uF
/25V
/X5R
R6804
0R/NC
C1521
10uF
/10V
/X5R
/NC
C174
0
.1uF
/16V
/Y5V
H116
1
R1510
19.6K_1%
H109
1
H106
1
C1520
10uF
/10V
/X5R
C138
33pF
C526
0
.1uF
/16V
/Y5V
H108
1
C150
4
.7uF
/10V
/X5R
Service Manual
Model No.:
7-2.
Circuit Diagram
- 27 -
