5
5
4
4
3
3
2
2
1
1
C
B
A
5V
stb
+3
.3
V
stb
1.
32V
5VA
3.
3VA
5VA
5V
stb
5VA
1.
8VA
12
VA
5VA
V
CC
-P
anel
3.
3VA
2.
5VA
3.
3VA
O
N
_PA
N
EL
2
3.
3V
_T
UN
ER
7
5V
stb
2
T
itle
S
ize
D
oc
um
en
t N
um
ber
R
ev
D
at
e:
S
heet
of
DC
-DC
1.0
M
S
D
3391
DS
C
us
tom
1
9
T
hu
rs
da
y,
F
eb
rua
ry
02
, 2012
T
itle
S
ize
D
oc
um
en
t N
um
ber
R
ev
D
at
e:
S
heet
of
DC
-DC
1.0
M
S
D
3391
DS
C
us
tom
1
9
T
hu
rs
da
y,
F
eb
rua
ry
02
, 2012
T
itle
S
ize
D
oc
um
en
t N
um
ber
R
ev
D
at
e:
S
heet
of
DC
-DC
1.0
M
S
D
3391
DS
C
us
tom
1
9
T
hu
rs
da
y,
F
eb
rua
ry
02
, 2012
up
V =0.6X(1+R /R )
out
down
Vpp=20mV
1.32V DC-DC
MST Power supply
standby:14MA MAX:19MA
on :89MA MAX:95MA
568MA MAX:708MA
Temperature 50
℃
130mA MAX:182MA
Vpp=23mV
1.812V
R27
上拉改下拉
改善开机瞬间尖峰
Vpp=100mV
1E56 BIT3
MAX 600mA
PANEL POWER
ON
OFF
Vpp=21mV
减低
8008
芯片的开关频率
约
400khz
对前端的干扰。
127MA MAX:364MA
332mA MAX:360MA
靠近
silicon tuner
摆放
C
120
10uF
C
120
10uF
R1
20
4.7
K
R1
20
4.7
K
+
E
C
110
470u
F
/16V
+
E
C
110
470u
F
/16V
Q
102
2N
7002
Q
102
2N
7002
1
3
2
SY8008B
SOT-23
U
102
SY
8008
B
S
O
T
-23
SY8008B
SOT-23
U
102
SY
8008
B
S
O
T
-23
GN
D
2
LX
3
VIN
4
O
U
T/FB
5
EN
1
F
B2
600
Ω
-3
A
-1206
F
B2
600
Ω
-3
A
-1206
+
E
C
113
470u
F
/16V
+
E
C
113
470u
F
/16V
R
104
120K
R
104
120K
C
109
0.
1uF
C
109
0.
1uF
R
122
100K
R
122
100K
R
114
300K
R
114
300K
C
127
1uF
C
127
1uF
+
E
C
108
220u
F
/16V
+
E
C
108
220u
F
/16V
R
106
1K
R
106
1K
R
109
100K
R
109
100K
L101
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
L101
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
C
132
1uF
C
132
1uF
C
133
100P
C
133
100P
C
113
100
PF
C
113
100
PF
C
110
10uF
C
110
10uF
C1
17
0.1
uF
C1
17
0.1
uF
+
E
C
102
220u
F
/16V
+
E
C
102
220u
F
/16V
F
B
101
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
F
B
101
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
SY8008B
SOT-23
U
105
SY
8008
B
S
O
T
-23
SY8008B
SOT-23
U
105
SY
8008
B
S
O
T
-23
GN
D
2
LX
3
VIN
4
O
U
T/FB
5
EN
1
+
E
C
111
470u
F
/16V
+
E
C
111
470u
F
/16V
R
121
100R
R
121
100R
F
B
103
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
F
B
103
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
C
116
33P
C
116
33P
R
129
820R
R
129
820R
C
112
0.
1uF
C
112
0.
1uF
+
EC
10
4
22
0u
F/1
6V
+
EC
10
4
22
0u
F/1
6V
Q
150
3904
Q
150
3904
1
2
3
L102
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
L102
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
C
118
100
PF
C
118
100
PF
C1
10uF
C1
10uF
C
128
0.
1uF
C
128
0.
1uF
C
129
1uF
C
129
1uF
C
101
33P
C
101
33P
Q
101
A
O
3407
Q
101
A
O
3407
1
3
2
R
113
1K
R
113
1K
R
101
120K
R
101
120K
C
104
10uF
C
104
10uF
R
119
0R
R
119
0R
C
102
0.
1uF
C
102
0.
1uF
SY8008B
SOT-23
U
101
SY
8008
B
S
O
T
-23
SY8008B
SOT-23
U
101
SY
8008
B
S
O
T
-23
GN
D
2
LX
3
VIN
4
O
U
T/FB
5
EN
1
R
118
N
C
/0R
R
118
N
C
/0R
+
EC
10
3
22
0u
F/1
6V
+
EC
10
3
22
0u
F/1
6V
C
126
1uF
C
126
1uF
C
130
0.
1uF
C
130
0.
1uF
R
108
0R
R
108
0R
C
119
0.
1uF
C
119
0.
1uF
R
125
10K
R
125
10K
C
123
10uF
C
123
10uF
R
124
1K
R
124
1K
L103
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
L103
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
R
110
100K
R
110
100K
R
107
82K
R
107
82K
R
105
1K
R
105
1K
ADJ
OUT
IN
U
104
A
M
S
1117
-A
DJ
ADJ
OUT
IN
U
104
A
M
S
1117
-A
DJ
3
2
1
4
F
B
102
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
F
B
102
10u
H
-1
.5
A
/W
SA
43
-100
M
-R
(不带屏蔽罩
)
C
122
0.
1uF
C
122
0.
1uF
C
131
0.
22uF
C
131
0.
22uF
C2
10uF
C2
10uF
R
116
100K
R
116
100K
C1
14
0.1
uF
C1
14
0.1
uF
D
101
1N
4001
D
101
1N
4001
2
1
C
115
100
PF
C
115
100
PF
R
123
100K
R
123
100K
R
12
8
510R
R
12
8
510R
C
107
33P
C
107
33P
C
121
10uF
C
121
10uF
R
112
150K
R
112
150K
7. Ele
c
tri
ca
l p
a
rts
7-1.
S
ervice M
a
nu
a
l
Model No.:
Circuit Diagram
Circuit Diagram
Circuit Diagram
- 24 -