１
２
３
４
５
６
１
２
３
４
５
６
Ａ
Ｂ
Ｃ
Ｄ
Ｆ
Ａ
Ｂ
Ｃ
Ｄ
Ｅ
Ｆ
广东步步高电子工业有限公司ＡＶ厂
ＢＢＫ
更改
数量
更改单号
签 名
日期
设 计
审 核
批 准
第 ２ 张
共 ５张
版次：
标准化
比例
质量
数量
板
号
：
1.0
DL385
C104
104
L104
0R
L102
0R
L105
0R
L106
0R
C105
104
TC102
47uF/10V
AVCC
V104
2SB1132-S
V105
2SB1132-S
R111 4.7R
R112
4.7R
TC103
47uF/10V
TC104
47uF/10V
LDO-AV33
LDO-AV33
LDO2
LDO1
GND
D
L103
0R
R103
10K
R101
100K
R104
10K
R102
100K
V102
2SK3018-S
V103
2SK3018-S
V101
3904-S
IOA
AVCC
GND
DV33
L119
102BED
R107
10K
R124
20K
C124
151
C112
104
C110
104
TC105
47uF/10V
GND
R118
1R
R119
1R
R123
20K
R117
1R
R116
1R
C123
151
VINFC
1
CF1
2
CF2
3
VINSL+
4
VINSL-
5
VOSL
6
VINFFC
7
GND
30
VCC
8
PVCC1
9
PGND
10
VOSL-
11
VO2+
12
VOFC-
13
VOFC+
14
VOTK+
15
VOTK-
16
VOLD+
17
VOLD-
18
PGND
19
VNFTK
20
PVCC2
21
GND
29
PREGND
22
VINLD
23
CTK2
24
CTK1
25
VINTK
26
BIAS
27
STBY
28
U104
BA5954
TRSO
V1P4
STBY
SL+
SL-
FMSO
MO_VCC
MO_VCC
SP-
SP+
V1P4
FOSO
L120
FCM2012-120T2A
VCC
R106
10K
T-
T-
T+
T+
F+
F+
F-
F-
L101
FCM2012-120T2A
L110
102BED
L109
10uH 2012
VSDA
C120
47pF
GND
2
3
4
1
XS102
XS04
R113
10R
C121
OPEN
R115
OPEN
GND
2
VCC
3
OUT
1
U102
HS0038B
C122
103
R114
100R
IR
TC106
10uF/25V
CPU5V
TC107
47uF/10V
VD101
1N4148
R141
10K
URST#
DV33
GND
IR
遥
控
输
入
电
路
DC/NC
1
RST_/NC
2
WP/RST_
3
VSS
4
VCC
8
RST/WP
7
SCL
6
SDA
5
U101
AT24C16X4050
SDA
SCL
C103
104
DV33
GND
R109
680R
R110
680R
C118
OPEN
C119
OPEN
GND
EEPROM
DV33
D
M
-1
2
接
口
电
路
C107
104
GND
L107
FCM2012-120T2A
AVCC
VCC
C106
104
GND
DV33
2
3
4
1
5
6
8
9
10
7
11
12
14
15
16
13
17
18
20
21
22
19
23
24
26
27
28
25
29
30
XS101
XS30
GND
SUBD
SUBA
A
IOA
DVDRFIP
SPLRCK
C
B
SUBB
SUBC
L116
0R
L113
0R
L112
0R
L111
0R
VR-CD
VR-DVD
MDI1
LD-CD
LD-DVD
AVCC
L114
0R
L115
0R
L117
10uH 2012
L118
10uH 2012
HSOP28/SMD
A3
2
A2
4
A1
7
RNF
28
H1+
9
H1-
10
H2+
11
H2-
12
H3+
13
H3-
14
VH
15
FG
24
PS
23
EC
22
ECR
21
GND
8
CNF
17
VCC
25
VM1
27
FR
20
SB
18
BR
16
VM2
26
G1
29
G2
30
U103
BA6849/6869
2
3
4
1
5
6
8
9
10
7
11
12
14
15
13
XS104
XS15
GND
LIMIT
H-
HW-
HW+
HV-
HV+
HU-
HU+
H+
U
V
W
SL-
SL+
R129
0R
R128
0R
R130
0R
R121
1R
R120
1R
R122
1R
C114
104
C113
104
C115
104
GND
W
V
U
HU+
HU-
HV+
HV-
HW+
HW-
H-
R126
47R
MO_VCC
C116
104
C117
104
R131
OPEN
C102
47uF/10V
MO_VCC
C101
47uF/10V
C109
104
GND
FG
STBY
V1P4
DMSO
GND
GND
R127
47R
+9V
DV33
POWEROFF_DET
电
池
电
压
检
测
电
路
VCC
3
RST
2
GND
1
U106
IMP8009(DNS)
C125
104
R142
OPEN
GND
R143
33R
R135
24K
R136
1K
R137
18K
R138
47K
R139
47K
R133
4.7K
R134
4.7K
3
2
1
4
8
U105A
LM393
5
6
7
4
8
U105B
LM393
GND
VCC
LOWBAT_DET
DET 6.0V AND LOWBAT WARNING
DET 5.7V AND SYSTEM OFF
R140
0R
DQS0
TC101
47uF/10V
C126
104
GND
V1P4
SUBD
SUBA
A
D
C
B
SUBB
SUBC
DQS0
LDO1
LDO2
V1P4
V1P4
FMSO
DMSO
FMSO
DMSO
FOSO
TRSO
FOSO
TRSO
STBY
STBY
LIMIT
LIMIT
FG
FG
URST#
URST#
IR
IR
CPU5V
CPU5V
VCC
VCC
DV33
DV33
GND
GND
POWEROFF_DET
LOWBAT_DET
POWEROFF_DET
LOWBAT_DET
+9V
+9V
POWER
VSDA
POWER
VSDA
SCL
SDA
SCL
SDA
DVDRFIP
SPLRCK
DVDRFIP
SPLRCK
MDI1
MDI1
SUBC
SUBB
B
C
D
A
SUBA
SUBD
LDO2
LDO1
DQS0
GND
V20
2385