Harman Kardon AVR 370 Service Manual page 166

6
SW91
DSC-2.5D-20
2 1
35328
D
F901
L
SW92
100V : T 8A H 250V
N 1 2
240V : T 6.3A H 250V
LF93
35328
CN90
RING-616/120uH Min
YW396-03AV
C
5
D
CS
3
1
R909
PGND
Not used
D932
D913
S1M
S1M
B
100V : 75K
230V : 150K
J940
6mm
J971 J969
7.5mm 15mm
J919
J907
7.5mm 12.5mm
J917
PGND PGND 12.5mm
J915
PC95
10mm
EL817B
DGND
J945
R949
0 ohm 15mm
J905
15mm
R969
PGND PGND
0 ohm
A
11 10 9 8 7 6 5 4 3 2
ET92
HJT1A025
DGND
11 10 9 8 7 6 5 4 3 2
ET91
HJT1A025
CHGND
5
AVR270/AVR370 SMPS SCHEMATIC DIAGRAM
+BV
TH91
DB91
RS1005M
4 1
LF92
LF91
J933
CV507100BS
CV507100BS
20mm
J938
20mm
J948
100V : Used
20mm 240V : Not used
CHGND J922
100V : JUMPER
240V : Not used
2 1
CN91
YW396-03AV
IC92
Q903
D917 D918
ICE2B365
4 A708Y D920
UF4004
MM1Z16 MM1Z16
D
7
VCC
3 1
C915
NC
50V 105 K
R936
6 2
C921
PGND
1K
8 2 PGND
50V 22uF
PGND
D916
20V 1/2W R871
2
Not used
C917
50V 472 K
110 /150mm
10K R961
J902
D901
AC-L
10mm
+BV
S1M
D902 C902
S1M
450V 22uF
PGND
AC-N
D910
R925
D911
PGND US1M
US1M
1.2M
R929 1.2M
R932
R922
4R7
10
D914
VDD Drain
2 6
MM1Z18
R923
PGND
PGND
1 Drain 5
VDDG
J911
1K
7.5mm
GND FB
8
3
GND
7 CS 4
IC91
OB2358L
R967 R972 R970 R971
R928
PGND
10 10 10 10 10
PGND
PGND
PG91 PG92 PG93
1
1 11 10 9 8 7 6 5 4 3 2 1 11 10
DGND
ET94
HJT1A025
4 3
C901
100V : 250V/470uF
240V : JUMPER
C930
100V : 250V/470uF
240V : 450V/270uF
PGND
+BV
J975
R907
12.5mm
68K 1W
TF92
1 16
2
D903 15
US1M
3 14
J964 J965
4
13
MHV
17.5mm 17.5mm 5
DGND
J910 J958
12
10mm 17.5mm 6
J961
J957
17.5mm
11
10mm
7
MVCC
D941
J960 10
D940
8 9
10mm 31DQ06-FC5
J962 PGND
31DQ06-FC5 D939
15mm EER2834
J963
3 2
PGND 31DQ06-FC5 D938
PC2
15mm
5VD
31DQ06-FC6 D934
4 1
J974 J973 PC96
560
1 EL817B R986
7.5mm 7.5mm PC94 31DQ06-FC6
EL817B (60V/3A)
4 1
2
2 1 3
TS92
PC91
℃
EL817B
3 2
PC1 R991
PGND
S5V 3
1K
4 1
560 A1281
EE1625
D943
R938
UF4004
Q914
10
1 2
C949
63V 47uF
9
2 8
DGND
DGND
C923
50V 104 K
7
3
6
4
S5V
PGND
5
DGND
D921
TF91
11EQ06
R934
(60V/1A)
4 1
560
2
PGND 3
DGND
PC92
EL817B
C914
CY93
50V 472 K 400V 102 M
PGND
PGND DGND
CY95
CY94 400V 102 M
PGND DGND
CHGND
400V 471 M
PGND
PG94
**IMPORTANT SAFETY NOTICE.
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS.
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
9 8 7 6 5 4 3 2 1
**THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
IMPROVEMENT OF PERFORMANCE
ET93
DGND
HJT1A025
2
PGND
J912
10mm D933 L922
100MHz_60ohm_6A IC97
SF26
7812A
(400V/2A)
C925
J909
50V 104 K
10mm DGND
J947
D937
(400V/2A) L923
10mm
J946
10mm 100MHz_60ohm_6A
SF26
J908 J923 IC98
5VD 7912A
10mm 7.5mm
C948
R945
560
DGND
DGND
D+5V
L925
DGND
J944
7uH
15mm
R958
5K6F
C934 R954
J943
50V 105 K 4K7
12.5mm
IC95 R959
R956
5K6F
KA431SAMF2 62K
R940
15K
DGND
3 1
VKK
IC99
78L24
2 2
Q909 PC2
DGND RT1N141C
J906
DGND
20mm
J904
20mm
L921
jumper
R946
10KF
J939
C944
C924 DGND
10mm
J937 RT1N141C
6.3V 1000uF
50V 222 K
R942
10mm
2K2
IC96
R964 R947
KA431SAMF2
Not used 10KF
DGND
MP
-6
1
D+5V
BN67
1
2
3
4
DGND
5
CN66
HS94
+34V
VKK
7
J914 DGND
6
12.5mm DGND
DGND
ST+5V
ST5V
5
J956
+12V
20mm
J959 +12V
4
D922 1N4448W
20mm
AGND
1 3
3
+12V
2 -12V
-12V
2
C952 C932
50V 104 K 50V 47uF
D+5V
D+5V
1
C955
1 50V 22uF
BN65
2 3
J952
-12V
VOL_SEL_1
VOL_SEL_1
20mm
D936
J953
VOL_SEL_2
VOL_SEL_2
1N4448W
20mm
DGND
DGND
DGND
J951 J950
20mm 20mm
D+5V
D+5V
D+5V
-12V
-12V
Q916
RT1N141C
AGND
2
+12V
+12V
ST+5V
DGND
PC1
ST+5V
DGND
R984 47
POWER_HI
ST5V
R872 R873
1 2 1 2 AMP_VCC_ON
R996
Not used Not used
J978 POWER_DOWN
0 ohm
7.5mm
J977 J942
1 2
7.5mm 15mm
J976
J916
7.5mm
7.5mm
J972
J927
7.5mm
10mm
J954 J926
TS91
120 /120mm ℃
15mm 15mm
2 J932
J921
15mm
J935
10mm
Q915
20mm J936
J934
12.5mm
10mm
J913
7.5mm
J928
DGND DGND
10mm
DGND DGND
REVISION 2 4 6
1 3 5 7
DGND
SCHEMATIC DIAGRAM SHEET
ISSUE 1
AVR270/AVR370
MODEL
ANAM
DESIGN CHECK APPROVE DRAWING NO
MULTI. LAB
12475SCMY
C.S.K L.J.H Y.W.Y
2012.08.20
(SMPS)
12.08.20 12.08.20 12.08.20
D
C
B
A
1
1
1