JBL MS 8 Service Manual ▷ View online
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
VBUS
USB_D+
USB_D-
VCC
1
GND
2
NC
3
SMBus2
4
SMBus1
5
U25
LTC1694-1IS5
R382
10k
10k
t
RT2
microSMD035F
microSMD035F
1
3
5
4
2
DP2
FTZ5.6E
6
1
5
4
J8
SJ-42524-SMT
R383
10k
10k
1
3
5
4
2
DP3
FTZ5.6E
VBUS
1
D-
2
D+
3
GND
4
J5
USB_CONN (SERIES B)
C325
10uF
3P3V
DGND
DGND
DGND
DGND
DGND
5V_DISP
3P3V
I2C_SDA
I2C_SCL
I2C_SCL
VBUS
USB_D-
USB_D+
USB_D-
USB_D+
AUXL+
AUXR+
AUXR-
AUXL-
5
1
6
4
Place protectiondiode as close tothe connector aspossible
I2C Display Module Connector
USB Connector
AUX Connector
TOP VIEW
Place p ro tec ti ondiode a s clo se tothe connector asposs ible
Red
White
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE:
REV:
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
DESCRIPTON
DATA
APPROVED
DESCRIPTON
REV
REV
Place
Place
DATA
EVR
I/O Connectors
MS-8 MAIN AMP
T4
ChengHao
2009.09.08
Sheet 17 of 18
B
11
11
11
11
11
11
6,18
6,18
6,18
6
6
6
6
4
3
1
2
J11
RCA JACK
RCA JACK
VBUS
USB_D+
USB_D-
1
2
L26
1nH
1
2
L28
1nH
1
2
L25
1nH
1
2
L27
1nH
MS-8
108
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
SPKR2+
SPKR1+
SPKR3+
SPKR1-
SPKR2-
SPKR3-
SPKR4+
SPKR4-
AMP_ON
AMP_ON
SPKR5+
SPKR5-
SPKR6+
SPKR6-
SPKR7+
SPKR7-
SPKR8+
SPKR8-
AMP_ON
SPKR1-
SPKR1+
SPKR3+
SPKR5+
SPKR7+
SPKR2+
SPKR4+
SPKR6+
SPKR8+
SPKR3+
SPKR5+
SPKR7+
SPKR2+
SPKR4+
SPKR6+
SPKR8+
SPKR3-
SPKR5-
SPKR7-
SPKR2-
SPKR4-
SPKR6-
SPKR8-
SPKR5-
SPKR7-
SPKR2-
SPKR4-
SPKR6-
SPKR8-
C202
4.7uF
C364
1nF
1nF
C201
0.22uF
0.22uF
R53
2.67k 1%
C108
4.7uF
C225
0.47uF
25V
X7R
25V
X7R
C214
4.7uF
C369
1nF
1nF
C113
100uF/25V
C279
0.1uF
0.1uF
C98
1nF
1nF
R200
2.67k 1%
R38
470k
470k
C93
0.47uF
25V
X7R
C250
100uF/25V
C90
4.7uF
R28
1k
1k
C212
0.47uF
25V
X7R
25V
X7R
C361
1nF
1nF
C373
1nF
1nF
Q30
MMBT3904
MMBT3904
C302
470uF/25V
C226
1nF
1nF
3
1
2
D1
BAV70/SOT
BAV70/SOT
R9
24k
24k
C68
4.7uF
C358
1nF
1nF
R89
10.0k 1%
10.0k 1%
C129
470uF/25V
Q2
MMBT3906
MMBT3906
CH8-
2
CH7-
4
CH6-
6
CH5-
8
CH4-
10
CH3-
12
CH2-
14
CH1-
16
CH8+
1
CH7+
3
CH6+
5
CH5+
7
CH4+
9
CH3+
11
CH2+
13
CH1+
15
J6
MOLEX 39-30-1160
C370
1nF
1nF
C220
0.47uF
25V
X7R
25V
X7R
C96
0.47uF
25V
25V
X7R
C237
4.7uF
C204
0.22uF
0.22uF
C213
0.47uF
25V
X7R
25V
X7R
C89
0.47uF
25V
25V
X7R
C359
1nF
1nF
C181
0.1uF
0.1uF
R40
10k
10k
C63
1uF/0805
C86
0.47uF
25V
X7R
X7R
R189
10.0k 1%
10.0k 1%
C221
0.47uF
25V
X7R
25V
X7R
R90
2.67k 1%
C372
1nF
1nF
R71
10.0k 1%
10.0k 1%
1
2
L19
1nH
1nH
C110
1nF
1nF
C231
0.47uF
25V
X7R
25V
X7R
C205
1nF
1nF
C92
1nF
1nF
C128
0.1uF
0.1uF
C62
0.22uF
In1
16
In2
15
In3
12
In4
13
TAB1
1
STBY/MUTE
2
OUT1+
18
OUT1-
20
SVR
11
CDOUT
5
AC-
GND
17
S-
GND
14
TAB2
27
V
cc2
21
V
cc1
7
CLK
23
DATA
26
PGND1
19
OUT2+
22
OUT2-
24
PGND2
25
OUT3+
10
OUT3-
8
PGND3
9
OUT4+
6
OUT4-
4
PGND4
3
U3
TDA7563B
R188
2.67k 1%
C360
1nF
1nF
C173
470uF/25V
C357
1nF
1nF
C87
0.47uF
25V
X7R
25V
X7R
R233
10k
10k
C208
1uF/0805
C209
1nF
1nF
R91
10.0k 1%
10.0k 1%
C97
4.7uF
C371
1nF
1nF
C232
0.47uF
25V
X7R
25V
X7R
R173
10.0k 1%
10.0k 1%
C362
1nF
1nF
R103
10k
10k
C233
4.7uF
C65
1nF
1nF
C52
0.22uF
C366
1nF
1nF
In1
16
In2
15
In3
12
In4
13
TAB1
1
STBY/MUTE
2
OUT1+
18
OUT1-
20
SVR
11
CDOUT
5
AC-
GND
17
S-
GND
14
TAB2
27
V
cc2
21
V
cc1
7
CLK
23
DATA
26
PGND1
19
OUT2+
22
OUT2-
24
PGND2
25
OUT3+
10
OUT3-
8
PGND3
9
OUT4+
6
OUT4-
4
PGND4
3
U17
TDA7563B
R94
2.67k 1%
R186
10.0k 1%
10.0k 1%
C91
0.47uF
25V
X7R
X7R
C240
1nF
1nF
R184
698 1%
R88
2.67k 1%
R177
2.67k 1%
Q29
MMBT3904
MMBT3904
C88
0.47uF
25V
25V
X7R
R52
698 1%
698 1%
C115
1nF
1nF
1
2
L21
1nH
1nH
C251
1nF
1nF
C368
1nF
1nF
C363
1nF
1nF
C29
0.1uF
0.1uF
R70
10.0k 1%
10.0k 1%
C224
0.47uF
25V
X7R
25V
X7R
R37
10k
10k
C94
0.47uF
25V
X7R
R185
2.67k 1%
R199
10.0k 1%
10.0k 1%
C367
1nF
1nF
C26
470uF/25V
VCAR
VCAR
VCAR
VCAR
VCAR
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND PGND
PGND PGND
DGND
DGND
GND2
GND2
3P3V
DGND
DGND
DGND
I2C_SDA
I2C_SCL
I2C_SDA2
I2C_SCL2
POW_EN
MUTE#
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
LOUT4
ROUT4
PLACE ALL 1nF CAPS CLOSE TO SPEAKER CONNECTOR
G
u
ar
dband and gr
ound i
sol
at
e f
ro
m
noi
sy si
gnal
s
SPEAKER LEVEL OUT
PGND connections should be short and wide close to the
IC, place C353/C354/C399/C400 close to the Power Amp
IC's, use a single return point to the main power connector,
Current rating for track is 3A per channel.
IC, place C353/C354/C399/C400 close to the Power Amp
IC's, use a single return point to the main power connector,
Current rating for track is 3A per channel.
CH8
CH1
CH5
CH2
CH6
CH3
CH7
CH4
0v < AMP_ON < 1.5v STANDBY
3.5v < AMP_ON < 5v MUTE
7v < AMP_ON < 14.4v OPERATION
3.5v < AMP_ON < 5v MUTE
7v < AMP_ON < 14.4v OPERATION
AC-GND is thehalf-supply(half of Vcc)
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE:
REV:
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
DESCRIPTON
DATA
APPROVED
DESCRIPTON
REV
REV
Place
Place
DATA
EVR
Audio Output
MS-8 MAIN AMP
T4
ChengHao
2009.09.08
Sheet 18 of 18
C
GND2
SPKRx+ and SPKRx- connections should be short and wide.
Current rating for tracks is 4A each.
Current rating for tracks is 4A each.
PLACE ALL 1nF CAPS CLOSE TO SPEAKER CONNECTOR
G
u
ar
dband and gr
ound i
sol
at
e f
ro
m
noi
sy si
gnal
s
ROUTE AWAY FROM NOISY TRACES AND
USE DOUBLE-WIDTH SPACING
USE DOUBLE-WIDTH SPACING
6,17
6,17
9,16
9,15
9,16
9,15
9,16
9,15
9,16
9,15
6,7
6
2,6
2,6
Q1
FDV301N
FDV301N
R39
10k
C392
10uF
MS-8
109
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
SPKR2+
SPKR1+
SPKR3+
SPKR1-
SPKR2-
SPKR3-
SPKR4+
SPKR4-
AMP_ON
AMP_ON
SPKR5+
SPKR5-
SPKR6+
SPKR6-
SPKR7+
SPKR7-
SPKR8+
SPKR8-
AMP_ON
SPKR1-
SPKR1+
SPKR3+
SPKR5+
SPKR7+
SPKR2+
SPKR4+
SPKR6+
SPKR8+
SPKR3+
SPKR5+
SPKR7+
SPKR2+
SPKR4+
SPKR6+
SPKR8+
SPKR3-
SPKR5-
SPKR7-
SPKR2-
SPKR4-
SPKR6-
SPKR8-
SPKR5-
SPKR7-
SPKR2-
SPKR4-
SPKR6-
SPKR8-
C202
4.7uF
C364
1nF
1nF
C201
0.22uF
0.22uF
R53
2.67k 1%
C108
4.7uF
C225
0.47uF
25V
X7R
25V
X7R
C214
4.7uF
C369
1nF
1nF
C113
100uF/25V
C279
0.1uF
0.1uF
C98
1nF
1nF
R200
2.67k 1%
R38
470k
470k
C93
0.47uF
25V
X7R
C250
100uF/25V
C90
4.7uF
R28
1k
1k
C212
0.47uF
25V
X7R
25V
X7R
C361
1nF
1nF
C373
1nF
1nF
Q30
MMBT3904
MMBT3904
C302
470uF/25V
C226
1nF
1nF
3
1
2
D1
BAV70/SOT
BAV70/SOT
R9
24k
24k
C68
4.7uF
C358
1nF
1nF
R89
10.0k 1%
10.0k 1%
C129
470uF/25V
Q2
MMBT3906
MMBT3906
CH8-
2
CH7-
4
CH6-
6
CH5-
8
CH4-
10
CH3-
12
CH2-
14
CH1-
16
CH8+
1
CH7+
3
CH6+
5
CH5+
7
CH4+
9
CH3+
11
CH2+
13
CH1+
15
J6
MOLEX 39-30-1160
C370
1nF
1nF
C220
0.47uF
25V
X7R
25V
X7R
C96
0.47uF
25V
25V
X7R
C237
4.7uF
C204
0.22uF
0.22uF
C213
0.47uF
25V
X7R
25V
X7R
C89
0.47uF
25V
25V
X7R
C359
1nF
1nF
C181
0.1uF
0.1uF
R40
10k
10k
C63
1uF/0805
C86
0.47uF
25V
X7R
X7R
R189
10.0k 1%
10.0k 1%
C221
0.47uF
25V
X7R
25V
X7R
R90
2.67k 1%
C372
1nF
1nF
R71
10.0k 1%
10.0k 1%
1
2
L19
1nH
1nH
C110
1nF
1nF
C231
0.47uF
25V
X7R
25V
X7R
C205
1nF
1nF
C92
1nF
1nF
C128
0.1uF
0.1uF
C62
0.22uF
In1
16
In2
15
In3
12
In4
13
TAB1
1
STBY/MUTE
2
OUT1+
18
OUT1-
20
SVR
11
CDOUT
5
AC-
GND
17
S-
GND
14
TAB2
27
V
cc2
21
V
cc1
7
CLK
23
DATA
26
PGND1
19
OUT2+
22
OUT2-
24
PGND2
25
OUT3+
10
OUT3-
8
PGND3
9
OUT4+
6
OUT4-
4
PGND4
3
U3
TDA7563B
R188
2.67k 1%
C360
1nF
1nF
C173
470uF/25V
C357
1nF
1nF
C87
0.47uF
25V
X7R
25V
X7R
R233
10k
10k
C208
1uF/0805
C209
1nF
1nF
R91
10.0k 1%
10.0k 1%
C97
4.7uF
C371
1nF
1nF
C232
0.47uF
25V
X7R
25V
X7R
R173
10.0k 1%
10.0k 1%
C362
1nF
1nF
R103
10k
10k
C233
4.7uF
C65
1nF
1nF
C52
0.22uF
C366
1nF
1nF
In1
16
In2
15
In3
12
In4
13
TAB1
1
STBY/MUTE
2
OUT1+
18
OUT1-
20
SVR
11
CDOUT
5
AC-
GND
17
S-
GND
14
TAB2
27
V
cc2
21
V
cc1
7
CLK
23
DATA
26
PGND1
19
OUT2+
22
OUT2-
24
PGND2
25
OUT3+
10
OUT3-
8
PGND3
9
OUT4+
6
OUT4-
4
PGND4
3
U17
TDA7563B
R94
2.67k 1%
R186
10.0k 1%
10.0k 1%
C91
0.47uF
25V
X7R
X7R
C240
1nF
1nF
R184
698 1%
R88
2.67k 1%
R177
2.67k 1%
Q29
MMBT3904
MMBT3904
C88
0.47uF
25V
25V
X7R
R52
698 1%
698 1%
C115
1nF
1nF
1
2
L21
1nH
1nH
C251
1nF
1nF
C368
1nF
1nF
C363
1nF
1nF
C29
0.1uF
0.1uF
R70
10.0k 1%
10.0k 1%
C224
0.47uF
25V
X7R
25V
X7R
R37
10k
10k
C94
0.47uF
25V
X7R
R185
2.67k 1%
R199
10.0k 1%
10.0k 1%
C367
1nF
1nF
C26
470uF/25V
VCAR
VCAR
VCAR
VCAR
VCAR
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND PGND
PGND PGND
DGND
DGND
GND2
GND2
3P3V
DGND
DGND
DGND
I2C_SDA
I2C_SCL
I2C_SDA2
I2C_SCL2
POW_EN
MUTE#
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
LOUT4
ROUT4
PLACE ALL 1nF CAPS CLOSE TO SPEAKER CONNECTOR
G
u
ar
dband and gr
ound i
sol
at
e f
ro
m
noi
sy si
gnal
s
SPEAKER LEVEL OUT
PGND connections should be short and wide close to the
IC, place C353/C354/C399/C400 close to the Power Amp
IC's, use a single return point to the main power connector,
Current rating for track is 3A per channel.
IC, place C353/C354/C399/C400 close to the Power Amp
IC's, use a single return point to the main power connector,
Current rating for track is 3A per channel.
CH8
CH1
CH5
CH2
CH6
CH3
CH7
CH4
0v < AMP_ON < 1.5v STANDBY
3.5v < AMP_ON < 5v MUTE
7v < AMP_ON < 14.4v OPERATION
3.5v < AMP_ON < 5v MUTE
7v < AMP_ON < 14.4v OPERATION
AC-GND is thehalf-supply(half of Vcc)
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE:
REV:
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
DESCRIPTON
DATA
APPROVED
DESCRIPTON
REV
REV
Place
Place
DATA
EVR
Audio Output
MS-8 MAIN AMP
T4
ChengHao
2009.09.08
Sheet 18 of 18
C
GND2
SPKRx+ and SPKRx- connections should be short and wide.
Current rating for tracks is 4A each.
Current rating for tracks is 4A each.
PLACE ALL 1nF CAPS CLOSE TO SPEAKER CONNECTOR
G
u
ar
dband and gr
ound i
sol
at
e f
ro
m
noi
sy si
gnal
s
ROUTE AWAY FROM NOISY TRACES AND
USE DOUBLE-WIDTH SPACING
USE DOUBLE-WIDTH SPACING
6,17
6,17
9,16
9,15
9,16
9,15
9,16
9,15
9,16
9,15
6,7
6
2,6
2,6
Q1
FDV301N
FDV301N
R39
10k
C392
10uF
MS-8
109
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
SPKR2+
SPKR1+
SPKR3+
SPKR1-
SPKR2-
SPKR3-
SPKR4+
SPKR4-
AMP_ON
AMP_ON
SPKR5+
SPKR5-
SPKR6+
SPKR6-
SPKR7+
SPKR7-
SPKR8+
SPKR8-
AMP_ON
SPKR1-
SPKR1+
SPKR3+
SPKR5+
SPKR7+
SPKR2+
SPKR4+
SPKR6+
SPKR8+
SPKR3+
SPKR5+
SPKR7+
SPKR2+
SPKR4+
SPKR6+
SPKR8+
SPKR3-
SPKR5-
SPKR7-
SPKR2-
SPKR4-
SPKR6-
SPKR8-
SPKR5-
SPKR7-
SPKR2-
SPKR4-
SPKR6-
SPKR8-
C202
4.7uF
C364
1nF
1nF
C201
0.22uF
0.22uF
R53
2.67k 1%
C108
4.7uF
C225
0.47uF
25V
X7R
25V
X7R
C214
4.7uF
C369
1nF
1nF
C113
100uF/25V
C279
0.1uF
0.1uF
C98
1nF
1nF
R200
2.67k 1%
R38
470k
470k
C93
0.47uF
25V
X7R
C250
100uF/25V
C90
4.7uF
R28
1k
1k
C212
0.47uF
25V
X7R
25V
X7R
C361
1nF
1nF
C373
1nF
1nF
Q30
MMBT3904
MMBT3904
C302
470uF/25V
C226
1nF
1nF
3
1
2
D1
BAV70/SOT
BAV70/SOT
R9
24k
24k
C68
4.7uF
C358
1nF
1nF
R89
10.0k 1%
10.0k 1%
C129
470uF/25V
Q2
MMBT3906
MMBT3906
CH8-
2
CH7-
4
CH6-
6
CH5-
8
CH4-
10
CH3-
12
CH2-
14
CH1-
16
CH8+
1
CH7+
3
CH6+
5
CH5+
7
CH4+
9
CH3+
11
CH2+
13
CH1+
15
J6
MOLEX 39-30-1160
C370
1nF
1nF
C220
0.47uF
25V
X7R
25V
X7R
C96
0.47uF
25V
25V
X7R
C237
4.7uF
C204
0.22uF
0.22uF
C213
0.47uF
25V
X7R
25V
X7R
C89
0.47uF
25V
25V
X7R
C359
1nF
1nF
C181
0.1uF
0.1uF
R40
10k
10k
C63
1uF/0805
C86
0.47uF
25V
X7R
X7R
R189
10.0k 1%
10.0k 1%
C221
0.47uF
25V
X7R
25V
X7R
R90
2.67k 1%
C372
1nF
1nF
R71
10.0k 1%
10.0k 1%
1
2
L19
1nH
1nH
C110
1nF
1nF
C231
0.47uF
25V
X7R
25V
X7R
C205
1nF
1nF
C92
1nF
1nF
C128
0.1uF
0.1uF
C62
0.22uF
In1
16
In2
15
In3
12
In4
13
TAB1
1
STBY/MUTE
2
OUT1+
18
OUT1-
20
SVR
11
CDOUT
5
AC-
GND
17
S-
GND
14
TAB2
27
V
cc2
21
V
cc1
7
CLK
23
DATA
26
PGND1
19
OUT2+
22
OUT2-
24
PGND2
25
OUT3+
10
OUT3-
8
PGND3
9
OUT4+
6
OUT4-
4
PGND4
3
U3
TDA7563B
R188
2.67k 1%
C360
1nF
1nF
C173
470uF/25V
C357
1nF
1nF
C87
0.47uF
25V
X7R
25V
X7R
R233
10k
10k
C208
1uF/0805
C209
1nF
1nF
R91
10.0k 1%
10.0k 1%
C97
4.7uF
C371
1nF
1nF
C232
0.47uF
25V
X7R
25V
X7R
R173
10.0k 1%
10.0k 1%
C362
1nF
1nF
R103
10k
10k
C233
4.7uF
C65
1nF
1nF
C52
0.22uF
C366
1nF
1nF
In1
16
In2
15
In3
12
In4
13
TAB1
1
STBY/MUTE
2
OUT1+
18
OUT1-
20
SVR
11
CDOUT
5
AC-
GND
17
S-
GND
14
TAB2
27
V
cc2
21
V
cc1
7
CLK
23
DATA
26
PGND1
19
OUT2+
22
OUT2-
24
PGND2
25
OUT3+
10
OUT3-
8
PGND3
9
OUT4+
6
OUT4-
4
PGND4
3
U17
TDA7563B
R94
2.67k 1%
R186
10.0k 1%
10.0k 1%
C91
0.47uF
25V
X7R
X7R
C240
1nF
1nF
R184
698 1%
R88
2.67k 1%
R177
2.67k 1%
Q29
MMBT3904
MMBT3904
C88
0.47uF
25V
25V
X7R
R52
698 1%
698 1%
C115
1nF
1nF
1
2
L21
1nH
1nH
C251
1nF
1nF
C368
1nF
1nF
C363
1nF
1nF
C29
0.1uF
0.1uF
R70
10.0k 1%
10.0k 1%
C224
0.47uF
25V
X7R
25V
X7R
R37
10k
10k
C94
0.47uF
25V
X7R
R185
2.67k 1%
R199
10.0k 1%
10.0k 1%
C367
1nF
1nF
C26
470uF/25V
VCAR
VCAR
VCAR
VCAR
VCAR
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND
PGND PGND
PGND PGND
DGND
DGND
GND2
GND2
3P3V
DGND
DGND
DGND
I2C_SDA
I2C_SCL
I2C_SDA2
I2C_SCL2
POW_EN
MUTE#
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
LOUT4
ROUT4
PLACE ALL 1nF CAPS CLOSE TO SPEAKER CONNECTOR
G
u
ar
dband and gr
ound i
sol
at
e f
ro
m
noi
sy si
gnal
s
SPEAKER LEVEL OUT
PGND connections should be short and wide close to the
IC, place C353/C354/C399/C400 close to the Power Amp
IC's, use a single return point to the main power connector,
Current rating for track is 3A per channel.
IC, place C353/C354/C399/C400 close to the Power Amp
IC's, use a single return point to the main power connector,
Current rating for track is 3A per channel.
CH8
CH1
CH5
CH2
CH6
CH3
CH7
CH4
0v < AMP_ON < 1.5v STANDBY
3.5v < AMP_ON < 5v MUTE
7v < AMP_ON < 14.4v OPERATION
3.5v < AMP_ON < 5v MUTE
7v < AMP_ON < 14.4v OPERATION
AC-GND is thehalf-supply(half of Vcc)
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE:
REV:
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
DESCRIPTON
DATA
APPROVED
DESCRIPTON
REV
REV
Place
Place
DATA
EVR
Audio Output
MS-8 MAIN AMP
T4
ChengHao
2009.09.08
Sheet 18 of 18
C
GND2
SPKRx+ and SPKRx- connections should be short and wide.
Current rating for tracks is 4A each.
Current rating for tracks is 4A each.
PLACE ALL 1nF CAPS CLOSE TO SPEAKER CONNECTOR
G
u
ar
dband and gr
ound i
sol
at
e f
ro
m
noi
sy si
gnal
s
ROUTE AWAY FROM NOISY TRACES AND
USE DOUBLE-WIDTH SPACING
USE DOUBLE-WIDTH SPACING
6,17
6,17
9,16
9,15
9,16
9,15
9,16
9,15
9,16
9,15
6,7
6
2,6
2,6
Q1
FDV301N
FDV301N
R39
10k
C392
10uF
MS-8
109