44
4) Power 2
PANEL_VCC
ON/OFF:MT8295(GPIO10)
Normal:High
Stand_By:Low
PANEL_VCC_ON/OFF
R
105
9
0R
05
O
H
M
1
/8
W
R
106
0
N
C
/0
O
H
M
+
-5%
1/
8W
DV33 TO DV18_CI
SMD/0402
Vo=1.25 x (1+120R/120R) = 2.5V
+5V_SW TO AV25
SMD/0402
R1057
0 OHM +-5% 1/8W
Vout = 0.8 * (1+R105/R106)
Vout =3.35V , R105= 5.1K, R106=1.6K
+
C7824
470uF 10V
C101
10U 10V
GN
D
2
OUT
3
IN
1
U712
+5V_SW TO DV33
R1
1
0
120
R
1
%
1
/10W
C7839
4.7UF 10V
R7918
0R05 1/4W
R7
8
90
20
K
1
/10
W
D
1
D
2
D
3
G
4
S
5
D
6
D
7
D
8
Q150
SI5441DC
R7
8
91
53.
6
K
O
H
M
+
-1%
1/
10
W
1
2
FB773
220R/2000mA
C7837
10uF 16V
R7920
22K 1/10W
R158
10K 1/10W
VINH
1
VIN
2
GND
3
ADJ
5
VO
4
U707
LD39080PT-R
3
2
1
Q151
BC847C
R7
8
92
4
.7 KO
H
M
0.
1
%
1/
1
0W
R
7
919
22
K
1
/10
W
1
2
FB778
220R/2000mA
C7838
470N 10V
PANEL_VCC
+5V_TUNER
C102
100N 16V
+
C7823
470uF 10V
+5V_TUNER FROM Regulator
R7939
0R05 1/4W
R7921
0R05 1/10W
+
C131
100uF 10V
+
C132
100uF 10V
FOR 19"/22" Panel VCC 5V AND 26"/32" Panel VCC 12V USE
+
C7903
10UF/50V
L111 27uH
C
14
2
0
.1uF
50V
R1
03
20K 1/
10
W
C7904
10U 25V
GN
D
1
VOUT(heat sink)
2
VIN
3
4
4
U152
AME8810-AEGTZ 0.6A/3.3V
R1058
NC/0 OHM +-5% 1/8W
+
C
134
47
0uF
/1
6V
DV33 TO AV33
C151
100N 16V
R1
54
12
0R
1%
1/
10
W
R101
0R05 1/4W
C138
0.1uF 50V
C136
0.1uF 50V
R
105
5.
1
K
O
H
M
+
-1%
1/
1
0W
+
C
14
3
47
0uF
/16V
R1
02
2.
4
K
1/
1
0W
R
788
9
0R
05
1/
4W
C130
100N 16V
+5V_SW
C127
1U 10V
C133
100N 16V
R111
0R05 1/10W
C156
10U 10V
+
C
161
100
uF
1
0V
C137
NC/01uF
C169
100N 16V
VIN
3
GN
D
1
VOUT
2
/AD
J
U153
LD1117ADT-TR
VI
3
VO
2
GN
D
1
4
4
U158 LD1117S18
R106
1K62 1/10W 1%
D103
SR34
R104
NC/2.2 OHM 1/10W
C176
10U 10V
DV33 TO AV125
C1
4
1
N
C
/0.
1
uF
50
V
C140
NC/1nF 50V
C
1
35
N
C
/0
.47u
F
C168
10U 10V
R151
120R 1% 1/10W
C173
100N 16V
VIN
3
GN
D
1
VOUT
2
/ADJ
U104
LD1117ADT-TR
SMD
+5V_STB TO DV33SB
+16V/+24V_SW or +12V TO +9V or +12V
FB
1
EN
2
OCSET
3
IN
4
SW
5
SW
6
GND
7
GND
8
U157
AME5106AIHAADJZ
For 19" 22" use G78M12
For 26" use BA17809FP
DV33
DV33SB
AV125
+5V_SW
AV25
+12V
+16V/+24V_SW
+9V/+12V
DV33
DV18_CI
DV33
AV33
+5V_SW
+12V
PANEL_VCC_ON/OFF
+5V_STB
DV33
+5V_SW
PANEL_VCC_ON/OFF
15
NEARLY TUNER
Summary of Contents for LT19A1
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G3693M01000004K ...
Page 35: ...35 ...
Page 36: ...36 6 2 Power Board 715G2783 2 7 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 6 3 Key Board 715G3303K01001004S 6 4 IR Board 715G3870R01000004M ...
Page 41: ...41 8 Block Diagram ...
Page 63: ...63 11 Exploded View ...