Schematic Diagrams

Audio AMP B - 27

B.Schematic Diagrams

Audio AMP

Sheet 26 of 42

Audio AMP

5VS_AM P
L_ H P _ O U T _ A25
SP KOU T L + 3 8
PVT: Del R58 4
AU DG
VBTL#25
JHEADPHONE-L 25
AU DG
R_ H P_ OU T _C
L_HP_OUT_C JHEADPHONE-L
MU TE A P M #
R5 5 8
*10m il_s hort
MU TEAPM #
C 743 4.7u_6.3V_06
SPKO UTL -
R259 2K_04
Z26 09
R251 39K _04
C 375 0.1u_10V_04
C742
2.2u_6.3V_06
AUDG
SP KOU T L - 3 8
L29 FC M1608K -121T0612
C3 6 1
2.2u_X5R _06
C381
0.01u_50V_04
SB_M UTE#15
HP_MUTE#
H8
AUD G
L_OU T-_C
3.3VS2,3,5,9,12,13,14,15,16, 19,20,21,22,23,24,25,28,30,32,33,35,36,37, 38
HP_ EN
C357
.1u_16V_04
LOW: S peaker
DVT
AUDG
R702
*510K_04
3. 3V S
SP KOU TR+ 38
C3 6 6
2.2u_X5R_06
AMP _V DD
C728 68P _50V_04
Z2612
Z26 08
5VS
SP KOU TR- 38
Z2601
C 737 4.7u_6.3V_06 Z2605
L23 H CB2012KF-500T401 2
C7 5 6
1u_6.3V_04
DVT
Z26 02
SPKO UTR +
R2 6 2
*1 0 m i l_ s h o rt
5VS
R 577 100K_04
C372
.1u_16V_04
R6 0 8
*100K_04
C382
.1u_16V_04
R2 6 0
*1 0 m i l_ s h o rt
Z2608
C394 .1u_16V_04
3.3VS
Z2615
APA205 6
U2 0
APA20 5 6
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_O UT
CPV S S
L_O UT-
AMP _ EN#
BYPAS S
L_O U T+
R_ O UT -
R_OUT+
R_ IN _ AMP
CP+
CP-
HPV S S
HP_ E N
L_IN _AM P
BEEP
VD D
PVD D
PVD D
GND
PG ND
PG N D
GND
AUD G
SRS_R OU T27
C736
.1u_16V_04
R_ HP _ OU T _A25
Z2609
C376
.1u_16V _04
KB C_M UTE#22
JH EAD PHO N E-R
C 754 4.7u_6.3V_06
DVT
PV T: C3 61,C36 6 Chang e to 2 .2u
C732 68P _50V_04
AM P_ CP VDD
C 750 4.7u_6.3V_06
AUDG
SEL
Z26 03 R249 2K_04
R674
51K _04
C367
.1u_16V_04
5V S_ AMP
Z26 04
C7 2 4
*6 8 0 P F _ 0 4
L60 FC M1608K -121T0612
AUDG
AU D G
AU DG
L33 FC M1608K -121T0612
C7 5 7
1u_6.3V_04
Z2607
U3 3
74AHC 1G08G W
1
2
5
4
3
SPKO UTR -
C770
4.7nF _16V_04
R240
* 100K _04
PV T
L_HP _O U T_C
Z2606
L62 FC M1608K -121T0612
5VS
L_OU T+_C
5VS13,16,17,21,23,25,28,33,37, 38
Z2613
AM P_SEL
PVT
C392
.1u_16V _04
C384
10u_10V _08
R 242 *10m il_s hort
JHEADPHONE-R 25
D46
SC S5 5 1V -30
AC
C near CP+ and CP-
OPMU TE APM#
C731
*6 8 0 P F _ 0 4
R5 5 3
*10m il_s hort
5V S_ AMP
AU DG
R245
10K_04
D45
SC S55 1 V-30
AC
R_ O UT + _ C
PV T: D e l C3 70,C380
SRS_L O UT27
D42
SC S5 5 1 V-30
AC
AU DG
SPKO UTL +
R_HP_OUT_C
R2 4 6
*10mil_short
AUD G
R248 39K _04
AUD G
Z2611
R614 10K _04
R_ O UT -_ C