Harman Kardon SB 230 - KEY-PV Schematic; KEY-PV Circuit Diagram

1
1
2
2
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3
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4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2011/10/13 Sheet of
File: D:\BOLO\..\PV-KEY-110826.SchDoc Drawn By:
GND-KEY
Blue Amber
SB30 KEY-PV-110826
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
SRC
12 34
S156
DV
R183
1K91 1%
R184
820R 1%
R186
309R 1%
R179
1K2 1%
R178 47R
C166
104
3V3-KEY
- +3DPOWER
GND-KEY
C164
104
R175 10R
GND-KEY
AD-KEY
0.64V1.27V1.94V
3.2V
GND-KEY
12 34
S152
3D
12 34
S151
POWER
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
R185
10K
3V3-KEY
C163
22UF/6V3/1206
C162
22UF/6V3/1206
C165
22UF/6V3/1206
Harman Kardon
SB 30 / 230V Service Manual
Page 38 of 43
www.audiodna.sk