Vitek VT-3495 Schematic 3
7654321
C340
100pF
C350
100pF
D358
HER303
D314
HER107/NC
HER107/NC
L30120uH/3A
C364
2200U/25V
C360
2200U/25V
L302
20uH/2A
FEEDBACK
L303
C357
1000uF/16V
D313
HER107
220uF/25V
HER107
D312
C319
220U/50V/NC
R313
10K/NC
E25 100u/25V
R88 10K
R80 220K
IN4148
D22
10uH/2A
C313
R307
4R7
C315
220U/35V
F2
F1
R85 10K
E26
47u/25V
C359
2200u/25V
2200uF/25V
C365
C358
1000uF/16V
L304
10uH/1A
104/100v(poly)
C334
C336
104/100v(poly)
104
C366
C316
220uF/25V
C317
220U/35V
R86
10K
+16V
+5V
C314
-16V
ZD302
9V1/1W/NC
+12V
104
ZD303
12V/1W
Q7
8050
R308
560R/0.5W
R169
10K
F1
1
F2
2
-24V
3
GND
4
CN3
CN2
-12V
1
GND
2
+12V
3
+5V
4
GND
5
+5V
6
GND
7
CN7
OUTL
1
GND
2
OUTR
3
INL
4
GND
5
-24V
CON
5V
+12V
-12V
GND
-12V
6
R72
15K
R70
680R
INR
CN1
1
2
3
4
5
IC6
TDA7269
-VS1OUT(1)2+VS3OUT(2)4MUTE5-VS6IN+(2)7IN-(2)8GND9IN-(1)10IN+(1)
-16V
+16V
LOUT
R73
15K
R71
680R
ROUT
MUTEAMP
LOUT
ROUT
4R7
R402 4R7
R401
C403
C404
104/100v(poly)
104/100v(polyester)
11
-16V
GND
E57
10U/50V
E58
10U/50V
SP1A
SPEAKER
SP1B
SPEAKER
R78 4.7K
R77
20K
R87
20K
R79
4.7K
D307
HER305
D
D303
IN5399
1
D301
CN301
IN5399
1
C302
0.1u/275V
LF301
50uHX2
3421
C301
0.1u/275V
F301
2A/250V
1
2
1
CN302
C
B
1
1
2
D302
IN5399
D304
IN5399
1
C303
68uF/400V
C361
151/1KV
C362
104/50V
C363
473/100V(polyester)
C306
473/100V(polyester)
R340
22R
1
2
3
U301
Drain
Vstr
GND
VCC
Vfb4NC
FSDM0565RB
ZD313
15V/1W
R303
C304
56K/2W
2.2nF/1KV
HER107
D305
L304
FB
6
R341
30K
5
R304
D300
220R
HER107
C307
4.7uF/50V
R361
4
U302
3.3K
123
1
23
U?
6 7
22
5
23
4
3
2
9
1
C347
4700PF/250V
R311
1K
R310
3.9K
U303
2 3
KA431
13
8
13
9
10
3
11
7
12
14
13
14
3
F
FEEDBACK
C318
104/100v(polyester)
1
R309
10K
R312
10K
D357
HER305
C351
100pF
D315
+16V MUTEAMP
8
D
C
CN309
L
1
R
2
GND
3
B
A
Title
Number RevisionSize
A3
Date: 7-Dec-2006 Sheet of
外销机\dm63 6b\SCH\POW ER.dd b Draw n By:
1 2 3 4 5 6 78
File: F:\
A
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