Harman Kardon SB 230 - SB30 Soundbar PSU Schematics; SB30 Soundbar PSU Circuit Diagrams

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Title
Number RevisionSize
A3
Date: 2011/11/30 Sheet of
File: E:\󰇞󰆘\..\DV1-Trigger-110126.SchDocDrawn By:
EV2-Trigger-110126
C174
2700P
Bolo.Ho
C172 0.1U
+
C173
22uF/16V
3
2
1
8 4
B+
B-
U162A
NJM4580V
LINE-R-P
R171
91R
C170 470P
TO DSP PCB
Low = ON
R173
2K8 1%
R175
3K32 1%
C177
0.1uF
+
C175
22uF/16V
+
5
-
6
O
7
U162B
NJM4580V
R170 634R 1%
C176 470P
R177
91R
LINE-R-N
LINE-L-P
LINE-L-N
LINE-L-N
LINE-R-P
LINE-R-N
LINE-L-P
5V-SW
5V-SW
VREF1-IN
VREF1-IN
R178
22K
VREF1-IN
R176
51K1 1%
R172
51K1 1%
R174 51K1 1%
C182
2700P
C180 0.1U
+
C181
22uF/16V
3
2
1
8 4
B+
B-
U163A
NJM4580V
R180
91R
C178 470P
+
5
-
6
O
7
U163B
NJM4580V
R179 634R 1%
C184 470P
R186
91R
5V-SW
VREF2-IN
R187
24K
VREF2-IN
R185
51K1 1%
R181
51K1 1%
R183 51K1 1%
R182
2K8 1%
R184
3K32 1%
C185
0.1uF
+
C183
22uF/16V
5V-SW
VREF2-IN
LINE-R
LINE-L
LINE-R
LINE-L
5V-SW
IN-TG-LINE
IN-TG-COAX
IN
1
Amp_Out
2
TRIN
3
GND
4
CAP_D
5
RES_D
6
OUT
7
VCC
8
U160
NJU7181
R160
10K
C160
2.2uF/ 50V
R161
100K
C162
47P
R164
22K
GND-TG
3V3-TG
C164 0.01U
R163 100K
GND-TG
C163 0.1U
GND-TG
B
CE
Q160
2N3904
R162 4K7
GND-TG
IN
1
Amp_Out
2
TRIN
3
GND
4
CAP_D
5
RES_D
6
OUT
7
VCC
8
U161
NJU7181
R165
10K
C165
2.2uF/ 50V
R166
100K
C167
47P
R169
22K
GND-TG
3V3-TG
C169 0.01U
R168
100K
GND-TG
C168 0.1U
GND-TG
B
CE
Q161
2N3904
R167 4K7
GND-TG
C161
10U/16V/0805/X7R
C166
10U/16V/0805/X7R
IN-TG-LINE
IN-TG-COAX
3V3-TG
GND-TG
GND-TG
GND-TG
GND-TG
GND-TG
GND-TG
GND-TG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN160
HEADER 2.0-1X14
TRI_DET
TRI_DET
C171
10U16V
C179
10U16V
Harman Kardon
SB 30 / 230V Service Manual
Page 40 of 43
www.audiodna.sk