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Schematic Diagrams
Audio AMP B - 27
B.Schematic Diagrams
Audio AMP
Sheet 26 of 42
Audio AMP
5VS_AMP
L_H P _OU T_A25
SP KOU TL+ 38
PVT: Del R584
AU DG
VBTL#25
JHEADPHONE-L 25
AUDG
R_H P_OU T_C
L_HP_OUT_C JHEADPHONE-L
MU TE APM#
R558
*10mil_short
MU TEAPM#
C743 4.7u_6.3V_06
SPKOUTL-
R259 2K_04
Z2609
R251 39K_04
C375 0.1u_10V_04
C742
2.2u_6.3V_06
AUDG
SP KOU TL- 38
L29 FCM1608K-121T0612
C361
2.2u_X5R_06
C381
0.01u_50V_04
SB_MUTE#15
HP_MUTE#
H8
AUDG
L_OUT-_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: Speaker
DVT
AUDG
R702
*510K_04
3. 3V S
SP KOU TR+ 38
C366
2.2u_X5R_06
AMP _V DD
C728 68P_50V_04
Z2612
Z2608
5VS
SP KOU TR- 38
Z2601
C737 4.7u_6.3V_06Z2605
L23 HCB2012KF-500T401 2
C756
1u_6.3V_04
DVT
Z2602
SPKOUTR +
R262
*1 0mil_s h o rt
5VS
R577 100K_04
C372
.1u_16V_04
R608
*100K_04
C382
.1u_16V_04
R260
*1 0mil_s h o rt
Z2608
C394 .1u_16V_04
3.3VS
Z2615
APA2056
U20
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
CPV SS
L_OUT-
AMP _EN#
BYPAS S
L_OUT+
R_O UT-
R_OUT+
R_IN _AMP
CP+
CP-
HPV SS
HP_E N
L_IN_AMP
BEEP
VD D
PVDD
PVDD
GND
PGND
PGND
GND
AUDG
SRS_ROUT27
C736
.1u_16V_04
R_HP _OU T_A25
Z2609
C376
.1u_16V_04
KB C_MUTE#22
JHEADPHONE-R
C754 4.7u_6.3V_06
DVT
PVT: C3 61,C36 6 Chang e to 2 .2u
C732 68P_50V_04
AMP_CP VDD
C750 4.7u_6.3V_06
AUDG
SEL
Z2603 R249 2K_04
R674
51K_04
C367
.1u_16V_04
5V S_AMP
Z2604
C724
*6 80 PF _0 4
L60 FCM1608K-121T0612
AUDG
AUD G
AU DG
L33 FCM1608K-121T0612
C757
1u_6.3V_04
Z2607
U33
74AHC1G08GW
1
2
5
4
3
SPKOUTR -
C770
4.7nF_16V_04
R240
*100K_04
PVT
L_HP_OUT_C
Z2606
L62 FCM1608K-121T0612
5VS
L_OUT+_C
5VS13,16,17,21,23,25,28,33,37,38
Z2613
AMP_SEL
PVT
C392
.1u_16V_04
C384
10u_10V_08
R242 *10mil_short
JHEADPHONE-R 25
D46
SCS551V-30
AC
C near CP+ and CP-
OPMUTEAPM#
C731
*6 8 0PF _0 4
R553
*10mil_short
5V S_AMP
AUDG
R245
10K_04
D45
SCS551V-30
AC
R_O UT+_C
PV T: Del C3 70, C380
SRS_LOUT27
D42
SC S551V-30
AC
AUDG
SPKOUTL+
R_HP_OUT_C
R246
*10mil_short
AUDG
R248 39K_04
AUDG
Z2611
R614 10K_04
R_O UT-_C