Schematic Diagram(Scaler Board - LDO)
190TW8 TV
27
S-A02
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
PLLVDD
AVDD_VFE0
AVDD_VAD0
AADCVDD
ADACVDD
VPLLVDD2
AVDD_VAD1
AVDD_VFE1
XTALVDD
PLLVDD
XTALVDD
ADACVDD
AADCVDD
AVDD_VFE0
AVDD_VAD0
AVDD_VAD1
AVDD_VFE1
VPLLVDD2
LVDS_GND
LVDS_GND
LVDS_GND
ADCV33A
ASB18A
ADCV33A
ADCV33A
ADCV18A
ADCV33A
ADCV33A
DV33B
DV33A
ADCV33A
ADCV18A
DV18A
5VSB
SB33B
SB18A
ASB18A
SB33A
ADCV18A
ADCV33A
DV18A
DV33B
VCC
5VSB
5VSB
DV33A
PLLVDD
4
AVDD_VFE0
4
AVDD_VAD0
4
AADCVDD
4
ADACVDD
4
VPLLVDD2
4
AVDD_VAD1
4
AVDD_VFE1
4
XTALVDD
4
Power ON alive source
NORMAL VIDEO DAC POWER
STANDBY ANALOG POWER
NORMAL AUDIO ADC / DAC POWER
NORMAL VIDEO ADC POWER
NORMAL ANALOG POWER
CB19
0.1uF/6
1
2
L8
22uH/8
RC0805
CB17
0.1uF/6
1
2
L11
Bead_121_4A/8/NC
L9
Bead_121_4A/8/NC
L53
Bead_121_4A/8
CB10
0.1uF/6
1
2
+
C9
10uF/25V
1
2
C38
1uF/6
+
C26
10uF/25V
1
2
R26
330R/6F
C37
0.1uF/6
CB
9
4
0
.1uF/
6
/N
C
1
2
+
C20
10uF/25V
1
2
C24
0.1uF/6
C35
0.1uF/6
U2
AP1117ELA/TO252
ADJ/GND
1
VOUT
2
VIN
3
C29
1uF/6
+
C41
10uF/25V
1
2
+
C8
4
.7uF
/25V
1
2
+
C1
8
4
.7uF
/25V
1
2
CB11
0.1uF/6
1
2
FB1
Bead_121_4A/8
C25
0.1uF/6
L55
Bead_121_4A/8
CB
9
5
0
.1uF/
6
/N
C
1
2
U3
AP1117ELA/TO252
ADJ/GND
1
VOUT
2
VIN
3
C13
0.1uF/6
R27
200/6F
CB
8
0.
1
u
F
/6
1
2
C43
10uF/10V/8
CC0805
C34
0.1uF/6
CE5
10uF/10V/8
1
2
FB4
Bead_121_4A/8
R24
100R/6F
U5
AP1117ELA/TO252
ADJ/GND
1
VOUT
2
VIN
3
L65
Bead_121_4A/8
+
C12
10uF/25V
1
2
+
C39
10uF/25V
1
2
R19
1.4K/6F
R20
2.2K/6F
+
C21
10uF/25V
1
2
C44
10uF/10V/8
CC0805
L46
Bead_121_4A/8
L64
Bead_121_4A/8
+
CE
4
6
10uF
/2
5
V
/N
C
1
2
CB14
0.1uF/6
1
2
L56
Bead_121_4A/8
+
CE6
100uF/16V
1
2
L7
22uH/8
RC0805
L57
Bead_121_4A/8
CB16
0.1uF/6
1
2
CB13
0.1uF/6
1
2
+
C33
10uF/25V
1
2
C17
0.1uF/6
L6
Bead_121_4A/8
R25
200R/6F
C32
0.1uF/6
CB15
0.1uF/6
1
2
L4
Bead_121_4A/8
C16
0.1uF/6
C14
0.1uF/6
L5
Bead_121_4A/8
+
CE
4
4
10uF
/2
5
V
/N
C
1
2
L58
Bead_121_4A/8
+
CE
4
5
10uF
/2
5
V
/N
C
1
2
U6
AP1117ELA/TO252
ADJ/GND
1
VOUT
2
VIN
3
CB12
0.1uF/6
1
2
+
C31
10uF/25V
1
2
R31
200/6F
U8
AP1117ELA/TO252
ADJ/GND
1
VOUT
2
VIN
3
U4
AP1117ELA/TO252
ADJ/GND
1
VOUT
2
VIN
3
R18
2.2K/6F
R23
1.4K/6F
CB6
0.1uF/6
1
2
CB
9
3
0
.1u
F
/6/N
C
1
2
+
C10
10uF/25V
1
2
R21
5.6k/6F
CB
7
0.
1
u
F
/6
1
2
+
C19
4.7uF/25V
1
2
C40
0.1uF/6
FB2
Bead_121_4A/8
R30
330R/6F
FB3
Bead_121_4A/8
R29
200R/6F
R28
100R/6F
U7
AP1117ELA/TO252
ADJ/GND
1
VOUT
2
VIN
3
+
C4
5
4
.7uF
/25V
1
2
CB9
0.1uF/6
1
2
+
C36
10uF/25V
1
2
C11
0.1uF/6
+
CE7
100uF/16V
1
2
C27
0.1uF/6
R22
2.2K/6F
C42
0.1uF/6
+
C23
10uF/25V
1
2
C22
0.1uF/6
C28
0.1uF/6
1
2
CB18
0.1uF/6
1
2
+
C30
10uF/25V
1
2
L10
Bead_121_4A/8/NC
+
C15
10uF/25V
1
2
C8
D4
CB19 D1
C9
A4
CB93 A2
C10 B4
CB94 B2
C11 A4
CB95 C2
C12 A4
CE5 D3
C13 B4
CE6 E3
C14 B4
CE7 E2
C15 C4
CE44 A2
C16 C4
CE45 B2
C17 C4
CE46 C2
C18 D4
FB1 D4
C19 D3
FB2 D2
C20 A3
FB3 D2
C21 B3
FB4 D1
C22 A3
L4
D4
C23 A3
L5
B4
C24 B3
L6
B3
C25 B3
L7
D3
C26 C3
L8
D3
C27 C3
L9
A2
C28 D3
L10
B2
C29 E3
L11
C2
C30 A3
L46
B3
C31 B3
L53
C3
C32 A3
L55
B2
C33 A3
L56
B4
C34 B3
L57
C3
C35 B3
L58
C4
C36 C3
L64
A3
C37 C3
L65
A3
C38 E2
R18 A4
C39 A2
R19 A4
C40 A2
R20 B4
C41 A2
R21 C4
C42 B2
R22 A4
C43 D2
R23 A4
C44 D2
R24 B4
C45 D1
R25 C4
CB6 D4
R26 A3
CB7 D4
R27 A3
CB8 D4
R28 B3
CB9 D4
R29 C3
CB10 E3
R30 A2
CB11 E3
R31 A2
CB12 E3
U2
A4
CB13 E3
U3
C4
CB14 E2
U4
A3
CB15 D2
U5
C3
CB16 E2
U6
A3
CB17 D2
U7
C3
CB18 E2
U8
A2