Circuit Diagrams and PWB Layouts
55
7.
Scaler (22"): POWER
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Dimming
P
S
_ON
P
S
_ON
BL_EN
3
V
3S
B_EN
3
V
3S
B_EN
3
V
3S
B_EN
DV
33
+5V
S
B
+5V
+16V
S
B
16V
+5V
DV12_DM
DV
33
+5V
AV25
AV25
AV
33
DV
33
AV12
DV
33
DV
33
+5V
+
3
V
3S
B
DV
33
+
3
V
3S
B
+
3
V
3S
B_
u
P
+
3
V
3S
B
7V
+5V_TUNER
+5V
+5V
+5V
S
B
+TUNER_5V
16V
7V
+5V
S
B
+5V
S
B
+16V
S
B
+24V
DV10
BL_DIM
9
BL_ON/OFF
9
P
S
_ON_
S
W
1
3
POWER_ON/OFF
9
3
V
3S
B_EN
1
3
AME
88
10AEGTZ 600mA/
3
.
3
V
100nF/NC
0.
8
x (1+0.75K/2K) = 1.1V
AME
88
15BEGT250Z
1.25 x (1+0/100) = 1.25V
G10
8
4-
33
T4
3
Uf 5A/
3
.
3
V
10
%
toler
a
nce
19",22",26" LCD Power 2.5mm
P
u
ll high
3
.
3
V
G1117T6
3
Uf
G1117T6
3
Uf
u
P def
au
lt High
Low E
S
R
Low E
S
R
Clo
s
ed to T
u
ner
P-MO
S
Low E
S
R
0.
8
x (1+10K/1.
3
K) = 7V
Philip
s
:R909,R912,R92
3
NC ;
R922,R906 10K ohm
12
3
1 River
R7925 B2 R926 B
3
R790
8
D1
R7905 D4 D7904 A4 C7916 C1
C914 C5 C91
3
A5 C902 D4
R7922 C1 C926 B
3
Q7901 D1
C956 A
3
C7920 B4 C79
3
4 C1
U904 A4 C95
3
A2 R906 C1
R9
3
2 B4 U902 D
3
U905 B2
U907 B4 R915 C
3
C7915 C5
C925 B4 C910 C5 C9
33
D
3
D7902 C4 C904 D2 C907 C4
C79
33
D1 R944 A5 R9
3
4 D4
C7924 B2 C790
3
D
3
R7919 C4
R924 C2 L90
3
A4 R7914 C1
CN902 D5 C9
3
5 C2 C909 A4
R921 C5 C7901 C4 Q910 D2
R790
3
D
3
C911 A5 FB90
3
D2
C7919 B5 R791
8
C4 C7906 C1
R947 D2 C9
3
9 C
3
Q906 C1
C79
3
2 B5 Q790
3
D1 R9
3
9 D
3
C92
8
B2 D90
3
C4 C957 B1
R946 A
3
C7927 B
3
C7912 A
3
C7917 B
3
CN901 D5 L902 B2
C790
8
C4 R910 D4 U90
3
C4
C940 C2 R945 A
3
C79
3
0 B
3
C954 A2 R941 D4 FB904 B1
R91
3
D4 U911 A
3
C92
3
B
3
L901 C4 FB901 B1 R901 C
3
R940 D2 C7905 D2 Q902 D4
U901 B5 C941 C2 U90
8
C
3
R94
3
A5 R912 D1 FB902 A2
R909 D2 U906 B5 R7902 D1
R9
3
5 C4 R7929 C
3
C91
8
B2
R942 C4 Q907 C4 Q909 C4
R7907 D4 D7901 B2 R9
33
B4
C9
38
B4 C9
3
4 C
3
R7904 D4
C7929 B1 Q90
8
D2 R7927 B
3
C7921 B4 Q904 D4 R7920 C1
R92
3
C1 C7922 B4 Q905 C1
C955 A
3
R7925
1.02K OHM 1/10W 1
%
R7925
1.02K OHM 1/10W 1
%
R926
100K OHM 1/10W
R926
100K OHM 1/10W
R790
8
7.5K OHM 1/10W
R790
8
7.5K OHM 1/10W
R7905
1K OHM 1/10W
R7905
1K OHM 1/10W
D7904
S
M240A
D7904
S
M240A
C7916
1
u
F/16V
C7916
1
u
F/16V
+
C914
470
u
F/16V
+
C914
470
u
F/16V
C902
NC
C902
NC
C91
3
0.1
u
F/25V
C91
3
0.1
u
F/25V
R7922
10K OHM 1/10W
R7922
10K OHM 1/10W
C926
0.1
u
F/25V
C926
0.1
u
F/25V
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q7901
AP94
3
5GM -5.
3
A/-
3
0V
Q7901
AP94
3
5GM -5.
3
A/-
3
0V
C79
3
4
10
u
F/25V
C79
3
4
10
u
F/25V
+
C7920
100
u
F/16V
+
C7920
100
u
F/16V
C956
NC
C956
NC
FB
1
EN
2
OC
S
ET
3
VCC
4
OUTPUT
5
OUTPUT
6
V
SS
7
V
SS
8
U904
AP1510
S
A
U904
AP1510
S
A
R906
10K OHM 1/10W
R906
10K OHM 1/10W
C95
3
0.1
u
F/25V
C95
3
0.1
u
F/25V
R9
3
2
270 OHM 1/10W
R9
3
2
270 OHM 1/10W
GN
D
1
VOUT(he
a
t
s
ink)
2
VIN
3
4
4
U902
AME
88
10-AEGTZ 0.6A/
3
.
3
V
U902
AME
88
10-AEGTZ 0.6A/
3
.
3
V
FB
1
EN
2
OC
S
ET
3
VCC
4
OUTPUT
5
OUTPUT
6
V
SS
7
V
SS
8
U905
AP151
3S
A
U905
AP151
3S
A
VIN
3
VOUT
2
ADJ
1
U907
U907
C7915
0.1
u
F/25V
C7915
0.1
u
F/25V
R915
10K OHM 1/10W
R915
10K OHM 1/10W
C925
0.1
u
F/25V
C925
0.1
u
F/25V
C9
33
1
u
F/16V
C9
33
1
u
F/16V
C910
0.1
u
F/25V
C910
0.1
u
F/25V
D7902
LL414
8
D7902
LL414
8
C904
10
u
F/10V
C904
10
u
F/10V
C79
33
4.7UF10V
C79
33
4.7UF10V
C907
0.47
u
F
C907
0.47
u
F
R9
3
4
NC
R9
3
4
NC
R944
2K OHM 1/10W
R944
2K OHM 1/10W
+
C7924
470
u
F/10V
+
C7924
470
u
F/10V
+
C790
3
100
u
F/16V
+
C790
3
100
u
F/16V
R7919
10K OHM 1/10W
R7919
10K OHM 1/10W
R924
2K OHM 1/10W
R924
2K OHM 1/10W
L90
3
27
u
H
L90
3
27
u
H
R791447K OHM 1/10W
R791447K OHM 1/10W
1
2
3
4
5
6
7
8
9
10
11
12
CN902
NC/CONN
CN902
NC/CONN
+
C9
3
5
100
u
F/16V
+
C9
3
5
100
u
F/16V
R921
10K OHM 1/10W
R921
10K OHM 1/10W
C909
1
u
F/25V
C909
1
u
F/25V
R790
3
10K OHM 1/10W
R790
3
10K OHM 1/10W
C7901
0.00
8
2
u
F
C7901
0.00
8
2
u
F
Q910
MMBT
3
904
Q910
MMBT
3
904
1
2
FB90
3
NC/220 OHM
FB90
3
NC/220 OHM
+
C911
100
u
F/25V
+
C911
100
u
F/25V
+
C7919
100
u
F/16V
+
C7919
100
u
F/16V
R791
8
5.6K OHM 1/10W
R791
8
5.6K OHM 1/10W
C7906
1
u
F/16V
C7906
1
u
F/16V
R947
200 OHM 1W
R947
200 OHM 1W
Q906
MMBT
3
904
Q906
MMBT
3
904
C9
3
9
0.1
u
F/25V
C9
3
9
0.1
u
F/25V
Q790
3
MMBT
3
904
Q790
3
MMBT
3
904
+
C79
3
2
100
u
F/16V
+
C79
3
2
100
u
F/16V
R9
3
9
10K OHM 1/10W
R9
3
9
10K OHM 1/10W
C92
8
0.1
u
F/25V
C92
8
0.1
u
F/25V
D90
3
S
M
3
40A
D90
3
S
M
3
40A
C957
0.01
u
F/25V
C957
0.01
u
F/25V
R946
1.
3
K OHM 1
%
1/10W
R946
1.
3
K OHM 1
%
1/10W
+
C7927
470
u
F/10V
+
C7927
470
u
F/10V
C7912
0.1
u
F/25V
C7912
0.1
u
F/25V
C7917
1
u
F/16V
C7917
1
u
F/16V
1
2
3
4
5
6
7
8
9
10
11
12
1
3
14
15
CN901
CONN
CN901
CONN
L902
27
u
H
L902
27
u
H
C790
8
0.1
u
F/25V
C790
8
0.1
u
F/25V
R910
10K OHM 1/10W
R910
10K OHM 1/10W
B
S
T
1
IN
2
S
W
3
GND
4
EN
5
FB
6
COMP
7
S
YNC
8
PAD
9
U90
3
S
C4519
S
.TRT
U90
3
S
C4519
S
.TRT
C940
1
u
F/16V
C940
1
u
F/16V
C79
3
0
0.1
u
F/25V
C79
3
0
0.1
u
F/25V
R945
10K OHM 1/10W
R945
10K OHM 1/10W
+
C954
470
u
F/10V
+
C954
470
u
F/10V
R941
NC
R941
NC
R91
3
4.7K OHM 1/10W
R91
3
4.7K OHM 1/10W
FB904
0 OHM 1/
8
W
FB904
0 OHM 1/
8
W
C92
3
NC
C92
3
NC
ADJ/GND
1
OUTPUT
2
INPUT
3
U911
AZ1117D-5.0-E1
U911
AZ1117D-5.0-E1
FB901
BEAD
FB901
BEAD
L901
10
u
H
L901
10
u
H
R940
10K OHM 1/10W
R940
10K OHM 1/10W
R901
0 OHM 1/10W
R901
0 OHM 1/10W
C7905
0.1
u
F/25V
C7905
0.1
u
F/25V
Q902
MMBT
3
904
Q902
MMBT
3
904
VIN
3
VOUT
2
ADJ
1
U90
8
U90
8
C941
0.1
u
F/25V
C941
0.1
u
F/25V
VI
3
VO
2
GN
D
1
4
4
U901
U901
R912
NC/10K OHM 1/10W
R912
NC/10K OHM 1/10W
R94
3
20K OHM 1/10W
R94
3
20K OHM 1/10W
FB902
BEAD
FB902
BEAD
R909
NC/10K OHM 1/10W
R909
NC/10K OHM 1/10W
R7929
100 OHM 1/10W
R7929
100 OHM 1/10W
R790247K OHM 1/10W
R790247K OHM 1/10W
R9
3
5
NC
R9
3
5
NC
VOUT
2
VIN
3
GN
D
1
U906
U906
C91
8
NC
C91
8
NC
Q907
NC/MMBT
3
904
Q907
NC/MMBT
3
904
R942
NC
R942
NC
Q909
NC/MMBT
3
904
Q909
NC/MMBT
3
904
R7907
4.7K OHM 1/10W
R7907
4.7K OHM 1/10W
D7901
S
M
3
40A
D7901
S
M
3
40A
R9
33
0 OHM 1/10W
R9
33
0 OHM 1/10W
C9
38
0.1
u
F/25V
C9
38
0.1
u
F/25V
+
C9
3
4
100
u
F/16V
+
C9
3
4
100
u
F/16V
R7904
0 OHM 1/10W
R7904
0 OHM 1/10W
C7929
0.01
u
F/25V
C7929
0.01
u
F/25V
R7927
3
K OHM 1/10W
R7927
3
K OHM 1/10W
+
C7921
100
u
F/16V
+
C7921
100
u
F/16V
Q90
8
ME2
3
01
Q90
8
ME2
3
01
Q904
MMBT
3
904
Q904
MMBT
3
904
R7920
15K OHM 1/10W
R7920
15K OHM 1/10W
R92
3
NC/10K OHM 1/10W
R92
3
NC/10K OHM 1/10W
C7922
10
u
F/10V
C7922
10
u
F/10V
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q905
AO4449 -7A/-
3
0V
Q905
AO4449 -7A/-
3
0V
+
C955
470
u
F/10V
+
C955
470
u
F/10V
POWER
S
B19
S
B19
I_177
8
0_059.ep
s
17040
8