+BV
PGND
+BV
AC-L
AC-N
AC-L
AC-N
+BV
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
DGND
DGND
PGND
PGND
PGND
CHGND
DGND
DGND
DGND
DGND
DGND
DGND
PGND
PGNDPGND
DGND
PGND
DGND
S5V
S5V
PC1
PC1
DGND
VKK
DGND
DGND
DGND
DGND
AC-N
PGND
PGND
PGND
DGND
5VD
PC2
5VD
PGND
DGND
PC2
5VD
DGND
DGND
ST5V
DGND
DGND
VKK
ST5V
+12V
-12V
D+5V
D+5V
ST5V
+12V
-12V
VOL_SEL_1
VOL_SEL_2
AC-L
+12V
-12V
DGND
DGND
DGND
DGND
DGND
DGND
MSW
MVCC
MHV
PGND
DGND
PGND
DGND
PGND
CHGND
DGND
D+5V
DGND
CHGND
A
B
C
D
123456
D
C
B
A
AVR270/AVR370 SMPS SCHEMATIC DIAGRAM
DRAWING NO
(SMPS)
12475SCMY
AVR270/AVR370
SCHEMATIC DIAGRAM
7
6
5
4
3
2
1
REVISION
1
1
1
1
SHEET
MODEL
C.S.K
CHECK APPROVEDESIGN
ISSUE
ANAM
MULTI. LAB
2012.08.20
**IMPORTANT SAFETY NOTICE.
IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS.
USE ONLY MANUFACTUREY'S SPECIFIED PARTS.
**THE UNIT OF RESISTANCE IS OHM.
K=1000 OHM, M=1000 KOHM
**THE UNIT OF CAPACITANCE IS MICROFARAD (uF)
pF=10 uF
**THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
IMPROVEMENT OF PERFORMANCE
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS.
-6
MP
L
N
12.08.20
L.J.H Y.W.Y
12.08.20 12.08.20
NC
CS
S/S
GND
FB
DD
VCC
(60V/3A)
(60V/1A)
CS
Drain
GND
GND
VDD
VDDG
FB
Drain
(400V/2A)
(400V/2A)
100V : T 8A H 250V
240V : T 6.3A H 250V
D+5V
POWER_HI
AMP_VCC_ON
POWER_DOW
ST+5V
D+5V
D+5V
ST+5V
-12V
AGND
+12V
DGND
DGND
VOL_SEL_1
VOL_SEL_2
+34V
D+5V
DGND
ST+5V
-12V
AGND
+12V
100V : Used
240V : Not used
100V : 75K
230V : 150K
240V : JUMPER
100V : 250V/470uF
C901
C930
240V : 450V/270uF
100V : 250V/470uF
240V : Not used
100V : JUMPER
J922
12
CN90
YW396-03AV
TH91
DSC-2.5D-20
VT91
14D-561K
CX92
275V 684 K
CX91
275V 334 K
CY92
400V 102 M
CY91
400V 102 M
C905
1KV 222 K
D903
US1M
1
3
4
2
DB91
RS1005M
R907
68K 1W
C917
50V 472 K
R908
0R4 1W
8
7
6
4
3
2
5
1
IC92
ICE2B365
R909
Not used
D916
20V 1/2W
C903
50V 474 K
R956
62K
R958
5K6F
R959
5K6F
C934
50V 105 K
R954
4K7
1
2
3
4
PC94
EL817B
D917
MM1Z16
R945
560
R904
0 ohm
1
2
3
4
PC95
EL817B
D913
S1M
D911
US1M
CY93
400V 102 M
C918
50V 10uF
C929
6.3V 470uF
D921
11EQ06
1
2
3
4
5
6
7
8
9
10
TF91
EE1625
1
2
3
4
PC92
EL817B
R934
560
R946
10KF
R947
10KF
R942
2K2
R938
560
C911
1KV 102 K
D910
US1M
1
2
3
4
5
6
7
8
IC91
OB2358L
R926
1.2M
R927
1.2M
R923
1K
C914
50V 472 K
D901
S1M
D902
S1M
C902
450V 22uF
R922
10
R924
1.2M
R925
1.2M
R929
1.2M
R932
4R7
D914
MM1Z18
C924
50V 222 K
R952
100 1W
D927
1N4448W
1
2
3
4
PC91
EL817B
D926
1N4448W
R936
1K
C921
50V 22uF
D918
MM1Z16
1
2
3
Q903
A708Y
D920
UF4004
R935
22
R96110K
1234567891011
1
2
3
4
5
6
7
8
9
10
11
ET91
HJT1A025
1234567891011
1
2
3
4
5
6
7
8
9
10
11
ET92
HJT1A025
1234567891011
1
2
3
4
5
6
7
8
9
10
11
ET94
HJT1A025
L921
jumper
C944
6.3V 1000uF
R964
Not used
J905
15mm
J928
10mm
R968
0 ohm
J935
20mm
J932
15mm
J934
10mm
R967
10
J911
7.5mm
J921
10mm
R969
0 ohm
D928
20V 1/2W
D933
SF26
R974
75K
R975
75K
R976
75K
D932
S1M
R905
Not used
D937
SF26
1
23
4
LF93
RING-616/120uH Min
R972
10
R970
10
R971
10
R979
470K
R980
470K
R981
470K
R982
470K
J915
10mm
J936
12.5mm
J917
12.5mm
21
TS91
120 /120mm
R984
47
C915
50V 105 K
F901
1
32
4
LF91
CV507100BS
1
32
4
LF92
CV507100BS
J938
20mm
C901
250V 470uF
C930
250V 470uF
VT9214D-561K
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
TF92
EER2834
C941
6.3V 5600uF
C943
6.3V 1000uF
D943
UF4004
C949
63V 47uF
1
2
3
Q914
A1281
R991
1K
R940
15K
R950
220K
C948
6.3V 5600uF
12
SW91
35328
1
2
3
Q909
RT1N141C
J907
12.5mm
J919
7.5mm
1
2
3
IC95
KA431SAMF2
J943
12.5mm
1
2
3
IC96
KA431SAMF2
J902
10mm
CY94
400V 471 M
R986
560
1
2
3
4
PC96
EL817B
1
2
3
Q915
RT1N141C
D935
1N4448W
R985
0 ohm
R996
0 ohm
3
2
1
IC97
7812A
C925
50V 104 K
D924
1N4448W
C932
50V 47uF
D922
1N4448W
C952
50V 104 K
C953
25V 100uF
C955
50V 22uF
2
1
3
IC98
7912A
C926
50V 104 K
C954
50V 104 K
D925
1N4448W
D936
1N4448W
D940
31DQ06-FC5
D939
31DQ06-FC5
D938
31DQ06-FC6
D934
31DQ06-FC6
D941
31DQ06-FC5
J923
7.5mm
J925
10mm
J926
15mm
J927
10mm
J948
20mm
1
2
3
Q916
RT1N141C
R939
47
R978
100 1W
R973
100 1W
R928
10
1234567891011
1
2
3
4
5
6
7
8
9
10
11
ET93
HJT1A025
J942
15mm
RX91
Not used
RX92
Not used
3
2
1
IC99
78L24
D929
MM1Z10
C923
50V 104 K
123456798101112131415
BN65
7654321
1
2
3
4
5
6
7
CN66
J933
20mm
L922
100MHz_60ohm_6A
L923
100MHz_60ohm_6A
J950
20mm
C945
104
C958
103
C959
104
C960
103
C961
104
C962
103
C963
104
C964
103
C967
104
C968
103
J951
20mm
L925
7uH
J952
20mm
J953
20mm
R965
0 ohm
J959
20mm
C978
104
C977
104
C979
104
J937
10mm
J939
10mm
J944
15mm
J946
10mm
J947
10mm
J954
15mm
J956
20mm
J957
10mm
J958
17.5mm
J960
10mm
J910
10mm
J961
17.5mm
J962
15mm
J963
15mm
J964
17.5mm
J965
17.5mm
J966
12.5mm
J967
7.5mm
J904
20mm
J906
20mm
R949
0 ohm
J908
10mm
J909
10mm
J912
10mm
J914
12.5mm
J913
7.5mm
J916
7.5mm
J945
15mm
J969
15mm
J971
7.5mm
J972
7.5mm
C980
25V 470uF
21
TS92
110 /150mm
J973
7.5mm
J974
7.5mm
J975
12.5mm
12
SW92
35328
J976
7.5mm
PG91
PG92
J977
7.5mm
J978
7.5mm
PG93
PG94
R995
360 1W
R999
360 1W
CY95
400V 102 M
12
R872
Not used
12
R871
Not used
12
R873
Not used
J940
6mm
RX93
1M5
HS94
12345
1
2
3
4
5
BN67
CY96
400V 222 M
12
CN91
YW396-03AV
J922
7.5mm
AVR 2700 harman/kardon
155
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