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Schematic Diagrams
AUDIO AMP B - 27
B.Schematic Diagrams
AUDIO AMP
AUDG
5VS
AUDG
AUDG
5VS _AMP
5VS_AMP
5VS _AMP
5VS
AUDG
AC97_VDD
AC97_VDD
5VS
AUDGAUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AC97_VDD
AUDGAUDG
AUDG
AUDGAUDG
AUDG
AUDG
5V S
R_HP_OUT_A25
L_HP_OUT_A25
VBTL#25
5VS12,13,15,16,17,23,24,25, 28,33,37, 38
SRS_LOUT27
SRS_ROUT27
JHEADPHONE-L25
JHEADPHONE-R25
LFE_OUT25
RGH_OUT25
3.3VS2,3,5,9,12,13,14,15,16,19,20,21,22,23,24,25,28, 30,33,35, 37
KBC_M UTE #22
R_OUT+_ C
R_OUT-_ C
JHEADPHONE-L
Z2601
Z 2605
Z2608Z 2604
Z2614
Z2612
Z2611
Z2609
HP_EN
L_OUT-_C
Z2613
L_OUT+_C
Z2615
Z2610
SPKOUTL-
SPKOUTR +
SPKOUTL+
SPKOUTR -
SPKO UTR+
SPKO UTL -
HP_EN
Z2621
Z2632
Z2633
Z2631
Z2630
Z2623
Z2622
SPKO UTL +
SPKO UTR-
Z2625
Z 2636
Z2626
MUTE
Z 2602
Z 2603 Z2607
Z2606
Z2620
MUTE
Z26 28
Z2618
Z26 29
Z26 27
MU TEAP M
Z2619
Z2624
MUTEA PM#
Z2635
Z2616
Z2634
Z2617
JHEADPHONE-R
MU TEAP M#
MU TEAPM
10K
10K
Q68
DTC114EUA
C
B
E
C866
4.7nF_16V_04
U33
APA4835L
14
8
2 7
10
21
3
16
11
17
15
28
26
19
1825
24
5
4
13
12
9
27
6
1
20
23
22
29
GND
GND
ShutDown DC Vol Contr ol
Right in
HP sense
Gain Sel
Vd d
Be ep
-Left Out
+Left Out
+Right Out
-Right Out
L2in
L2fi nR2fin
R2i n
Mute
Mode
Left Doc k
Left in
Right Dock
Vd d
Vd d
GND
GND
GND
B ypass
AUD_A GND
R645 10K_04
C819
1u_10V _06
C446
0.1u_16V_04
R642
*0.1_08
C444
8200P _50V_06
T
C803
1u_10V_06
PJ6
2mm
1 2
C810
10U_10V_08
C805
1u_10V_06
C464 4.7u_6.3V _06
R632
0.1_08
Q78
2N7002
G
DS
C829
10U_10V_08
C468
*0.1u_16V_04
C814
1u_10V_06
C441
0.1u_16V_04
R292 20K_06
R639
*0.1_08
JSPK1
1
2
1
2
APA2056
U34
APA2056
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#
CPGND
R_HP_OUT
L_HP_OUT
CPVSS
L_OUT-
AMP_EN#
BYPASS
L_OUT+
R_OUT-
R_OUT+
R_IN_AMP
CP+
CP-
HPVSS
HP_EN
L_IN _AMP
BEEP
VDD
PVDD
PVDD
GND
PG ND
PG ND
GND
C830
*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_0412
R290
51K_06
C811
4.7U_25V_08
C813
10U_10V_08
C809
*680PF_04
C423
1u_10V_06
L75 HC B2012KF- 500T401 2
C474
0.1u_10V _04
C807
22U_6. 3V_08
L63 BK1005HS121_0412
R298 39K_04
C817 1u_10V_06
R310 39K_04
C808
1u_10V_06
C806
*680PF_04
T
10K
10K
Q79
DTC114EUA
C
B
E
R285 16K_06
C438
*0.1u_16V_04
R297 4.7K_04
C435
0.01u_50V_04
C462 0.1u_16V_04
R696
10K_04
PJ7
2mm
1 2
C433
1u_10V_06
C428
1u_10V_06
C820 1u_10V_06 R311 4.7K_04
JSPK2
1
2
1
2
R640
10K_04
C440
0.1u_16V_04
C804
1u_10V_06
R694 51K _04
R293 20K_06
C431 4.7u_6.3V _06
R6300.1_08
PJ8
2mm
1 2
R636
* 20K_06
PJ5
2mm
1 2
R634 20K_06
R291 20K_06
R323 100K_04
JSPK3
CON2S
1
2
C437
0.1u_16V_04
R697
100K_04
L66 BK1005HS121_0412
S1 8
SHORT_1 MM
2 1
C812
1u_10V_06
C472
*1u_10V_06
R633
20K_06
C40
*180P_04
C41
*180P_04
L62 BK1005HS121_0412
R637 0_06
C460
0.1u_16V_04
R324 1K_04
R322
10K_04
C4278200P_50V _06
L65
HCB2012KF- 500T40
1 2
C822
0.1u_16V_04
C near CP+ and CP-
SUB WOOFER
60MIL60MIL
f =1 /( 2p* R273* C454) =1 KHZ,
so 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