Audio amp, Sheet 26 of 42 audio amp, Schematic diagrams audio amp b - 27 – Intel M570TU User Manual
Page 83: Sub woofer

Schematic Diagrams
AUDIO AMP B - 27
B.Sch
e
m
a
tic D
iag
rams
AUDIO AMP
AUDG
5VS
AUDG
AUDG
5VS_AMP
5
VS_AMP
5VS_AMP
5VS
AUDG
AC97_VDD
AC97_VDD
5VS
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AC97_VDD
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
5VS
R_HP_OUT_A
25
L
_HP_OUT_
A
25
VBTL#
25
5VS
12
, 1
3, 1
5, 1
6, 1
7, 2
3, 2
4,25,28,33,37,38
SRS_LO
UT
27
SRS_ROUT
27
JHEADPHONE-L 25
JHEADPHONE-R 25
LFE_O
UT
25
RGH_OUT
25
3.3VS
2,3, 5
, 9,12
, 13
, 14
, 15
, 16
, 19
, 2
0, 2
1, 2
2, 2
3, 2
4, 2
5,28,30,33,35,37
KBC_MUTE#
22
R_OUT+_C
R_OUT-_C
JHEADPHONE-L
Z2601
Z2605
Z2608
Z2604
Z2
614
Z2612
Z2611
Z2609
HP_EN
L_OUT- _
C
Z2613
L_OUT+_C
Z2615
Z2610
SPKOUTL-
SPKOUTR+
SPKOUTL+
SPKOUTR-
SPKOUTR+
SPKOUTL-
HP_
EN
Z2621
Z2632
Z2633
Z2631
Z2630
Z2623
Z2622
SPKOUTL+
SPKOUTR-
Z2625
Z2636
Z2626
M
UT
E
Z2602
Z2603
Z2607
Z2606
Z2620
M
UTE
Z2628
Z2618
Z2629
Z2627
MU
TE
A
P
M
Z2619
Z2624
MUTEAPM#
Z
2
635
Z2616
Z
2
634
Z2617
JHEADPHONE-R
MUTEAPM
#
MUT
EAPM
10K
10
K
Q
68
DTC114EUA
C
B
E
C866
4.7nF_16V_04
U33
APA48
35L
14
8
2
7
10
21
3
16
11
17
15
28
26
19
18
25
24
5
4
13
12
9
27
6
1
20
23
22
29
GND
GND
S
h
u
tD
o
wn
DC
Vo
l
C
ont
r
o
l
Right in
HP sense
Gai
n S
e
l
Vdd
Beep
-Left O
ut
+Left O
ut
+Right O
ut
-Right O
ut
L2
in
L2f
in
R2
fi
n
R
2i
n
Mu
t e
Mo
de
Left Dock
Left in
Right Dock
Vdd
Vdd
GND
GND
GND
B
y
pas
s
AU
D
_A
G
ND
R645
10K_04
C819
1u_1
0V_0
6
C446
0.1u_1
6V_04
R642
*0.1_08
C4
44
82
00P_5
0V_06
T
C803
1u_10V_06
PJ6
2mm
1
2
C810
10U_10V_08
C805
1u_10V_06
C464
4. 7
u_6.3V_
06
R632
0.1_08
Q
78
2N7002
G
D
S
C829
10U_1
0V_08
C468
*0.1u_16V_04
C814
1u_10V_06
C441
0.1u_
16V_0
4
R292
20K_06
R639
*0.1_08
JSPK1
1
2
1
2
A PA 20 56
U34
APA20
56
6
4
19
11
26
13
17
18
15
9
27
25
8
21
22
3
12
14
16
24
5
28
1
20
10
2
7
23
29
L_IN_HP
R_IN_HP
HPVDD
CPVDD
SD
#
CP
G
N
D
R_HP_OUT
L_HP_OUT
CPVSS
L_OUT-
AM
P_
EN#
B
YPA
SS
L_OUT+
R_OUT-
R_OUT+
R_IN_AMP
CP+
CP-
HPVSS
HP_EN
L_IN_AMP
BEE
P
VD
D
PV
D
D
PVD
D
GN
D
PG
N
D
PG
N
D
GN
D
C83
0
*10U_10V_08
C42
*180P_04
C816
0.1u_16V_04
C39
*180P_04
R287
20K_06
R635
20K_06
C434
1u_10V_06
C465
*0.1u_16V_04
L64
BK1005HS121_04
1
2
R2
90
51K_06
C811
4.7U_25V_08
C813
1
0U_10V_08
C8
09
*6
80PF_04
C423
1u_10V_06
L75
HCB2012KF- 5
00T40
1
2
C474
0
. 1u
_10V_
04
C807
22U_6.3V_08
L63
BK1005HS121_04
1
2
R2
98
39K_04
C817
1u_10V_06
R3
10
39K_04
C808
1u_10V_06
C806
*6
80PF_04
T
10K
10K
Q79
DTC114EUA
C
B
E
R285 16K_06
C438
*0.1u_16V_04
R2
97
4.7K_04
C435
0.01u_50V_04
C462 0.1u_16V_04
R696
10K_04
PJ7
2mm
1
2
C433
1u_10V_06
C4
28
1u_10V_06
C820
1u_10V_06
R3
11
4.7K_04
JSPK2
1
2
1
2
R6
40
10K_04
C440
0.1u_16V_04
C804
1u_10V_06
R694
51K_0
4
R293
20K_06
C431
4. 7
u_6.3V_
06
R630 0.1_08
PJ8
2mm
1
2
R63
6
*20K_06
PJ5
2mm
1
2
R634
20K_06
R291
20K_06
R32
3
100K_04
JSPK3
CO
N2S
1
2
C437
0.1u_
16V_
04
R6
97
100K_04
L66
BK1005HS121_04
1
2
S18
SHORT_1MM
2
1
C8
12
1u_10V_06
C472
*1u_10V_06
R633
20K_06
C40
*180P_04
C41
*180P_04
L62
BK1005HS121_04
1
2
R63
7
0_06
C460
0.1u_16
V_04
R324
1K_04
R322
10K_04
C427 8200P_50V_
06
L
65
HCB2012KF- 50
0T40
1
2
C82
2
0.1u_16V_04
C near CP+ and CP-
SUB WOOFER
60M
IL
60M
IL
f=1 /(2p * R273* C4 54)=1 KHZ,
s o C4 54=82 00P
EMI
2007/2/27
EVT
2007/12/15
H8
3/15_Cost down
3/15_Cost down
3/15_Cost down
Sheet 26 of 42
AUDIO AMP