Harman Kardon SB 230 - Page 44

1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2011/11/30 Sheet of
File: E:\󰇞󰆘\..\DV1-KEY-110126.SchDoc Drawn By:
GND-KEY
Blue Amber
SB18 KEY-EV1-110126
Bolo.Ho
15mA15mA
2
1 3
EG
LD154
LED-3P
R176
560R
R177
5K6
R181 4K7 GND-KEY
Blue-LED
R180 4K7
B
CE
Q157
2N3904
B
CE
Q158
2N3904
12 34
S153
VOL-
12 34
S154
VOL+
12 34
S155
WIDE
12 34
S156
POWER
R183
1K91 1%
R184
820R 1%
R186
310R 1%
R179
1K2 1%
R178 47R
+
C165
47UF/6V3
C166
104
3V3-KEY
-+SurroundPOWER
+
C163
47UF/6V3
GND-KEY
C164
104
R175 10R
GND-KEY
AD-KEY
0.64V1.27V1.94V
3.2V
+
C162
47UF/6V3
GND-KEY
12 34
S152
VOL-
12 34
S151
VOL-
R182
4K99 1%
4.3mm
GND-KEY
SRC DV
Amber-LED
Power
-KEY
L-CTRL1
C-CTR
L1
R-CTRL1
G_PWM1
B-PWM1
R-PWM1
IR-KEY1
1
2
3
4
5
6
7
8
9
10
CN153
HEADER 2.0-1X10
KEY-PCB
GND-KEY
L-CTRL1
C-CTRL1
R-CTRL1
G_PWM1
B-PWM1
R-PWM1
IR-KEY1
3V3-KEY
TO IR PCB
TO DSP PCB
6V5-KEY
6V5-KEY
6V5-KEY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN152
T42_1.25-16
2.56V
SRC
Harman Kardon
SB 30 / 230V Service Manual
Page 41 of 43
www.audiodna.sk