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Schematic Diagrams
B - 34 Audio AMP
B.Schematic Diagrams
Audio AMP
Sheet 33 of 51
Audio AMP
3. 3VS
Z3308
OPMUTEAPM#
SPKOUTL-
C555
1U _10V_06
1
KBC_MU TE#34
C541
.1U_16V_04
.
L2 FCM1005KF-121T03
D03-0221
J_SPKL1
85204-02001
PCB F o o tpr in t = 85 2 0 4-0 2 R
2
1
Z3303
R539
10K_04
APUDG
EAPD_MODE32
R271 0_04
Z3314
SPKOUTR+
L_IN_AMP_C
40mils
5VS14,22,25,28,30,32,35,43
C816
*.1U_10V_X7R_04
AUDIO AMP
R_HP_OUT_A32
C820 4.7U _6. 3V_06
J_SPK1
5V S
HEADPHONE-R
C886
.1U_10V_X7R_04
HEADPHONE-R 28
SB_MUTE#24
5VS
3.3VS
MUTEA PM#
C885
.1U_16V_04
C793
10U_10V_08
D03-0303
HEADPHONE-L 28
L_HP_OUT_A32
L_I N _H P_L
C549 4.7U _6. 3V_06
R548
100K_04
APUDG
0319
Z3301
FRONT-L32
SPKOUTL+_R
APA2057
U28
APA2057A
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#
CPGN D
R_HP_O UT
L_H P_O U T
CPVSS
L_O U T-
AMP_EN#
BYPASS
L_OUT+
R_O UT-
R_OUT+
R_IN_AMP
CP+
CP-
HPVSS
HP_EN
L_IN_AMP
BEEP
VDD
PVDD
PVDD
GND
PGND
PGND
GND
Z3315
C887
1U_10V_06
D03-0221
R288 39K_04
C794
*10U_10V_08
D33 SCS355V
AC
C557
* .1U _16V_04
C6
180P _50V_04
Z3312
D03-0221
C538
1U_10V_06
Q51
DTC114EU A
CE
B
AMP_EN #
C553
.1U_16V_04
.
L63
HCB1608KF-121T25_06
R291 4.7K_04
HEADPHONE-L
U36
74AH C 1G 08G W
1
2
5
4
3
5V25,28,32, 35,36,37,38,39,41,42
D03-0221
AUDG
R299 * 10K _04
D03A-0313
Q42
2N7002W
G
DS
R296 *10K_04
C542 68P_50V_04
L36 *10mil_short
0319
MUTEAPM#
FOR EMI
R292 *10K_04
APUDG
D03-0221
5VS_AMP
Z3309
R661
*510K_04
U30
74AHC1G08GW
1
2
5
4
3
C813
.1U_10V_X7R_04
D03-0221
C near CP+ and CP-
Z3304
Low mute!
C826 .1U_16V_04
5VS
C797
1U_10V_X5R_06
R_IN _AMP_C
R528 0_06
5VS
R295 0_04
SPKOUTL+
R284 *10K_04
R290 39K_04
APUDG
Z3310
C539
.1U _16V_04
L_I N _H P_C
C544
.1U_16V_04
R298 4.7K_04
R_IN _H P_C
C537
*1U_10V_06
3.3VS2,3,6,7,10,12,13,14,15,22,23,24,25,26,27,28,29,30,31,32,34,35,39,41,43
C547 68P_50V_04
SPK_H P#28
Z3307
AMP_EN#
D13 SCS355V
AC
C536
.1U_16V_04
APUDG
5VS_AMP
SPKOUTR- 28
C796 *.1U_16V_04
R287 0_04
R541
100K _04
APUDG
C800
1U_10V_06
SPKOUTR+ 28
R_IN_HP_C
C823 1U_10V_06
C10
180P_50V_04
.
L3 FCM1005KF-121T03
R596
10K_04
R283
10K_04
Z3302
C545
*.1 U_ 1 6V_ 04
APUDG
SPKOUTR-
R_IN_HP _L
R632
10K_04
Z3305
Z3311
R544
100K_04
C540 *.1U_10V_X7R_04
2
5VS_AMP
L_IN_HP_C SPKOUTL-_R
FRONT-R32
Z3313
C551
.1U _16V_04
C815 1U_10V_06
AP UDG