Harman Kardon HKTS 20, Service Manual

Page: 48 / 49

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D D
C C
B B
A A
Title
Number Revision Size
A3
Date: 2010/8/3 Sheet of
File: D:\HKTS210\DV1\INPUT_DV1.SchDoc Drawn By:
C47
104
+
C46
22uF/16V
D3.3V
C57
104
C58
104
+
C59
1uF/25V
+
C56
1uF/25V
R33
10K
SDOUT
1
SCLK
2
LRCK
3
MCLK
4
FILT+
5
AINL
6
VQ
7
AINR
8
GND
9
VA
10
U2
CS5343
3.3VAD
B5
BEAD-600
C54
180P
C55
180P
R38 100
R35
100
R37
100
R34
100
MCLK
SD0
LRCK
BICK
+7VA
+
C66
22uF/16V
C65
104
GND
3.3V
+7V
-7V
STB
R49
0
B9
BEAD-600
GND
B8
BEAD-600
B10
BEAD-600
1 2
XL1
12.288MHZ
C71
18P
C67
18P
C70
104
R50
100K
GND
MCU3.3V
2 4
3
5
U6
NC7SZ04M5X_NL
B12 120R
B11
BEAD-600
C68
OPT
C69
104
MCLK
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
MCLK
SDA
SCL
C50
104
MCU3.3V
GND GND
GND
1
2
3
4
CN4
ISP
R45
100
MCU3.3V
GND
V
SS
1
RST
2
V
C
C
3
U4
STM809-3.3V
POWER GOOD
GND
TXD
1
2
3
CN3
EQ
GND
R43 0
R48
10K
LED
MCU3.3V
Hi
Lo
LED
ON
OFF
R51
10K
MCU3.3V
1
2
CN5
CON2.0-2
GND
22u/16
+
C34
22u/16
+
C39
22u/16
+
C42
C37
220P
C41
220P
C44
220P
R23 10K
R24
10K
R27
10K
+
5
-
6
O
7
U1B
TL072
3
2
1
8
4
B+
B-
U1A
TL072
R21 10K
C35 100P
C38 104
C43 104
22u/16
+
C45
R25 5K
C36 100P
R22 100K
22u/16
+
C40
R31
50K
R26 10K
GND
R36
4.99K 1%
R39
49.9K 1%
22u/16
+
C48
22u/16
+
C53
1
2
ZD1
3.3V
ON AUTO
POWER ON MODE PHASE Bass Boostor
R28 10K
MCU3.3V
PWR MODE PHASE BASS
BASS PHASE
PWR MODE
AUTO ON
AUTO ON
R46
0
GND
C61
104 C60
104
GND
C62
104
-7VA
STB
1
2
3
7
8
9
4
5
6
JK2
PHONE
R54
10K
MCU3.3V
GND
-7VA
+7VA
R55
22K
1
D1
ES1G
1
2
ZD2
3.3V
GND
C76
104
R56
22K
TRIGGER
TRIGGER
PLUG_DET
PLUG_DET
LO HI
NO PLUG PLUG IN
GND
LED
3
2 1
Q2 2N3904
PLUG_DET
TIGGER
PWR MODE
AUTO ON
STB
LED
0
1(AUTO)
1
0
1(AUTO)
0
0
1
1
0
0
0
0
1
1
0
0(ON)
X X X
1
0
1
1
X X
0 1
1 0
AUTO OFF TIME=15 MIN
309A_PWRDN
EAPD#
R47
2.7K
GND
GND
+
C75
22uF/16V
C74
104
+3.3V
GND
+7VA 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
B4
BEAD-600
EN VOUT
Hi
Low
0V
3.3V
+
C64
22uF/16V
R52
OPT
C63
104
C73
104
GND
GND
VI
3
VO
2
G
N
D
1
VO
4
U5
AP6209_3.3V
3 5
6 4
1
2
G2 G1
SW1
PWR
GND GND
REVERSE NORMAL
R29 10K
MCU3.3V
3 5
6 4
1
2
G2 G1
SW3
PHASE
GND GND
ON OFF
R30 10K
MCU3.3V
3 5
6 4
1
2
G2 G1
SW2
BASS
GND GND
GND
4
L
5
R
3
GND
1
LFE
2
JK1
RCA-3P 2
3
1
VR1
1KA
RESET#
EAPD#
POWER GOOD
309A_PWRDN
SCL
SDA
SD0
BICK
LRCK
MCLK
HKTS2 1 0SUB
1
2
3
4
CN6
CON2.5-4
1
2
3
4
J1
CON2.0-4
GND
MCU3.3V MCU3.3V
MMBT 3906
E C
B
Q3
R57
10K
R59
4K7
R58
47K
GND
MCU3.3V
TXD
EAPD#
GND
MCU3.3V
LFE 1
NOR 0
TO LFE SW PCB
G
S
C78
100P
GND
GND
GND
GND GND
GND GND
GND
GND
GND GND
GND
GND GND
GND
R60
10
K
1
2
CN7
CON2.5-2
Harman Kardon HKTS 20+30+60 Service Manual
Page 48 of 49