Publicité
1
2
A
R100
R105
+VO2
100K
1M
C100
R104
0.1UF
27K
R160
D
1K
C
B
CN104
PROTECT
2
1
+5V
CN101
+IN
2
1
+5V
-5V
C
R134
R135
2.0k
2.0k
+1.8V -1.8V
D104
D105
1N4148
1N4148
D106
D108
1N4148
1N4148
CN102
1
2
+0.6V -0.6V
D107
D109
1N4148
1N4148
D
1
2
3
DC OFFSET
OVP
PROTECT
-5V
-5V
U3A
U4A
2
LM393
2
-0.6V
1
D135
1
3
1N4148
3
LM393
C104
R107
1U
+5V
1.0K
+5V
D100
D101
U3B
U4B
6
6
LM393
1N4148
1N4148
7
R109
7
5
2.0K
5
+0.6V
D120
LM393
-VCC
SD
1N4148
U12
3
2
4
1
R112
+35V
NC
100K
R114
C144
1U
10K
+5V
R102
+IN
10K
R132
5.1K
R161
2.2K
R108
0R
D103
1N4148
R103
100K
L101
R189
INDUCTOR
10K
R138
C103
100k
100P
U13B
6
7
5
4580
3
4
5
+VCC
+5V
0.1U
R101
C110
100K
R177
D136
OTP
1K
1N4148
+1.8V
C102
Q100
R111
2N5401
100P
2K
R115
D110
47K
1N4148
R113
2K
-1.8V
C101
R118
100P
100
R122
100K
+35V
R169
NC
U1
7
13
C167
C165
+VS
+VPW
R162
2
+IN
-IN
680R
3
R139
10U/50V
22UF/50V
27K
R136
R186
120K
4
14
SUR
OUT
C166
JK60
TDA7294
C164
9
STBY
22UF/50V
22UF/50V
6
BO
CN107
10
1
MUTE
GND
-VS
-VPW
8
15
C168
10UF/50V
-35V
C174
100P
R187
10K
-5V
U13A
2
C108
R188
R174
1
3
1K
390R
10U
4580
+5V
R180
R120
NC
NC
R181
NC
4
5
6
DM 350W+65W/DM 250W+65W MAIN SCH(2/3)
U14B
5
E
7
R191
6
+5V
10K
LM393
R190
-5V
1.0K
R192
U14A
2
1
10K
3
E
LM393
+5V
L102A
J101
NC
R106
L102B
10R 0.5W
JP5.0
C169
0.1uF 400V
J102
+35V
C160
820U/35V
C161
820U/35V
-35V
+5V
C173
0.1U
C175
0.1U
-5V
IN-2
+VCC
R125
R185
0.0
2.2K
L103 22uH
R127
R129
57.6K
2.2K
C110
D115
CH2 O
R131
C109
10 2W
220pF 630V
1.0uF 250V
BYV27C
-VCC
C112
0.1uF 100V
Titel
Size
6
7
8
D114
+VO2
BYV27C
J103
R133
1K 2W
J104
DM 350W+65W-2
Model NO:
Revision
A3
DM 350W+65W
VER111228
Date
2012/5/28
Sheet
of
2
3
File
Drawn By
XiaoPingHuang
HB03330 DM 350W(250W)+65W MAIN SCH-2.SCH
7
8
A
B
C
D
Publicité
