SB 30 (serv.man4) - Harman Kardon Audio Service Manual (repair manual). Page 48

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Title
Number
Revision
Size
A3
Date:
2011/6/28
Sheet    of
File:
D:\2011\..\SB30 SUB_INPUT_EV_01A.SchDoc
Drawn By:
R38100
R35 100
R37 100
R34 100
MCLK
SD0
LRCK
BICK
+
C66
22uF/16V
C65
104
GND
3.3V
+3.7V
STB
R49
0
B9
BEAD-600
GND
B10
BEAD-600
1
2
XL1
12.288MHZ
C71
18P
C67
18P
R40
10K
+
C49
10uF/16V
MCU3.3V
+
C52
10uF/16V
MCU3.3V
INT1/P3.3
7
RxD/P3.0
2
TxD/P3.1
3
RST
1
GND
10
XTAL2
4
XTAL1
5
T0/P3.4
8
T1/P3.5
9
INT0/P3.2
6
P3.7/CEX0/PWM0
11
P1.0
12
P1.1
13
P1.2
14
VCC
20
P1.4/SS
16
P1.5/MOSI
17
P1.6/MISO
18
P1.7/SCLK
19
P1.3
15
U3
MPC82L52AT
C51
104
R42
10K
R41
10K
MCU3.3V
B14
BEAD
SDA
SCL
RESET#
B6 BEAD-600
B7
BEAD-600
TXD
SDA
SCL
C50
104
MCU3.3V
GND
GND
GND
1
2
3
4
CN4
ISP
R45
100
MCU3.3V
GND
V
S
S
1
RST
2
V
C
C
3
U4
STM809-3.3V
POWER GOOD
GND
TXD
1
2
3
CN3
EQ
GND
MCU3.3V
GND
C62
104
STB
309A_PWRDN
GND
GND
+
C75
22uF/16V
C74
104
+3.3V
GND
SW3.3V
R53
10K
C72
104
GND
VI
1
VO
5
G
N
D
2
EN
3
NC
4
U7
AP6209    3.3V
B13
BEAD-600
EN
VOUT
Hi
Low
0V
3.3V
+
C64
22uF/16V
C63
104
C73
104
GND
GND
VI
3
VO
2
G
N
D
1
VO
4
U5
AP6209   3.3V
RESET#
EAPD#
POWER GOOD
309A_PWRDN
SCL
SDA
SD0
BICK
LRCK
MCLK
SB30 100W  SUB
1
2
3
4
CN6
CON2.5-4
MMBT 3906
E
C
B
Q3
R57
10K
R59
4K7
R58
47K
GND
MCU3.3V
TXD
MCU3.3V
2
3
1
VR1
100KB
GND
MCU3.3V
Vol
Vol. Control
C42
104
GND
Vol
From 2.4G MODULE PCB
ID1
ID2
ID3
GND
RX_LED1
ID4
LED2
LED1
DSW_4
UAR_RXD
UAR_TXD
GND
VIN
I2S_MCLK
I2S_BCLK
I2S_LRCLK
I2S_DOUT
I2S_DIN
I2C_SCLK
I2C_SDA
DSW_3
DSW_2
DSW_1
PB
R22
NC
C37
104
B4
BEAD-600
10u/16
+
C35
C36
104
GND
GND
GND
R21 0
3
4
1
2
G2
G1
C
S1
ID SWITCH
GND
ID1
ID2
ID3
ID4
C38
NR
C39
NR
GND
C40
NR
C41
NR
GND GND GND
RX_LED2
RX_LED1
RX_LED2
1
2
3
CN5
CON2.0-3
1
2
3
4
CN8
CON2.0-4
1
2
3
4
5
6
7
8
9
10
11
CN7
CON2.0-11
GND
GND
C43
104
GND
R23
NR
R24
10K GND
R25
NC
PHASE
PHASE
REVERSE
NORMAL
R26 10K
3
5
6
4
1
2
G2
G1
SW1
PHASE
GND
GND
MCU3.3V
PHASE
R28
10K
LED
3
2
1
Q2
2N3904
R27
2.7K
LED
R30
NR
R29
NR
OSC
OSC
MCU3.3V
Link
No Link
RX_1 LED
L
H (500ms )  L(500ms)
H
LED
3
2
1
Q4
2N3904
GND GND
R31
2.7K
2
1
3
E
G
LD1
LED3P
LED1
LED1
1
2
3
4
J1
JH-8M3
GND
R33
10K
MCU3.3V
R39
2.7K
R36
2.7K
1
2
3
CN9
C34
104
GND
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