Harman Kardon SB 15/230, Service Manual

Page: 16 / 30

1
1
2
2
3
3
4
4
D D
C C
B B
A A
VSS
VCC
SGND
VSS
VCC
SGND
SGND
22K
R01
22K
R08
220P
C02
18.7k
R06
15.4k
R04
17.8k
R02
33n
C04
24.9K
R05
100p
C03
220k
R09
VCC
10k
R07
VSS
220p
C05
1
2
3
4
5
6
sw1
SW2-2
10K
R03
10K
R10
mout
8
4
7
5
6
2
U2B
TL072CN
100n
C06
VCC
VSS
10u
C01
8.25k
R21
+12VC
100u
C11
IN
3
2
OUT
1
GND
U5
MC78L12CP
VCC
3.3k
R18
VCC
VSS
VCC
VSS
100u
C21
4.7u
C23
SGND
SGND
SGND
SGND
VCC
VSS SGND
220p
C29
4.7u
C34
100n
C35
100n
C25
4.7u
C36
4.7u
C26
100u
C32
4.7u
C37
4.7u
C28
100n
C13
100n
C12
220n
C38
100n
C08
22n
C27
47k
R23
24.9k
R19
22k
R22
14.3k
R20
VCC
VSS
SGND
100n
C15
82.5k
R15
12.1K
R11
OUT
Netsw1_3
6.8k
R17
10u
C16
220n
C18
10u
C17
V+
1
OUTa
2
INa
3
INT
4
Vref
5
SENCE
6
SW
7
INb
8
OUTb
9
GND
10
U4
NJM2761-10
4.7u
C22
VR2A
VR*2 VR2B
VR*2
A50k
VR1
1
2
3
4
5
CON2
Header 5
SGND
OUT
8
1
4
3
2
1
U2A
TL072CN
8
1
4
3
2
1
U3A
TL072CN
8
4
7
5
6
2
U3B
TL072CN
mout
100n
C09
VCC
VSS
SGND
100n
C30
82.5k
R16
12.1K
R12
2
3
1
A
4
11
U1A
TL074CD
SGND
VCC
VSS
5
6
7
B
4
11
U1B
TL074CD
10
9
8
C
4
11
U1C
TL074CD
12
13
14
D
4
11
U1D
TL074CD
1
2
3
4
5
CON1
Header 5
VSS
VCC
SGND
CUSTOMER:JBL
MODEL:SB 15SUB/230
DETA:SEP.01.2009
PREPARED CHECKED CHECKED APPROVED REV
1.0
PAGE 2/5
BOARD: PERAMP
harman/kardon SB 15/230 Service Manual
Page 16 of 30