Schematic Diagrams
B - 24 Audio AMP
B.Schematic Diagrams
Audio AMP
Sheet 23 of 38
Audio AMP
AUDG
AUDG
5V _ R E G O U T
AUDG
5VS
5VS_ AMP
AUDG
AU D G
AUDG
5VS_AMP
AUD G
5V S
5V S
3. 3 V S
3. 3 V S
3. 3 VS
3.3VS
3.3VS
3. 3 V S
KBC_M UTE#27
AZ_RST#22 , 29 , 32
SPK_HP#32
3.3VS 6,9,10 ,11 ,19 ,20 ,21 ,22,23 ,24,25,27 ,28 ,29 ,31 ,32,33,34,35,37
3 . 3V 2, 1 2, 1 9, 2 0, 2 2, 2 3, 2 4, 2 6, 3 1, 3 2, 3 3, 3 8, 3 9, 4 0
5 V 32 , 33 , 34 , 35 , 37 , 38 , 39 , 40
5VS 19,20,29,31,32,34,35
SPKOUTR- 32
SPKOUTR+ 32
HEAD PH ONE-L 3 2
HEAD PH ONE-R 32
L_ H P _O U T_ A29
R_HP_OUT_A29
FRONT-R29
FRONT-L29
Z2820
Z2821
SPKOU TL+
SPKOU TL-
HEADPHO NE-L
Z2304
SPKOUTR-
Z2306
HEADPHO NE-R
Z2308
SP K O U T L +
SPKOUTR+
Z2305
SP K O U T L -
HP_EN
Z2309
SPK_EN
Z2307
HP_EN
SPK_EN
C861
1U_16V_X5R_06
C 5 2 7 * . 1U _ 10 V _X 7R _0 4
TPA6047A4
Thermal
Pa d
U43
TPA604 7A4RHBR
4
3
11
26
15
16
17
7
23
6
19
20
1
9
14
22
2
27
30
8
18
10
12
5
31
32
13
21
24
25
28
29
33
SPKR_L IN-
SPKR_L IN+
CPGND
HP_INR
HP_ OUTR
HP_O UTL
HPVD D
LO U T -
SPKR_EN
LO U T+
OUT R-
OU TR+
SPKR_RIN-
CPVD D
HPVSS
HP_EN
SPKR_RIN+
HP_INL
VDD
SPVDD
SPVDD
C1P
C1N
SPGND
GAIN0
GAIN1
CPVSS
SPGND
BYPASS
REG_EN
GN D
REG_ OUT
GN D
C 5 0 5 * . 1U _ 10 V _X 7R _0 4
C 5 1 3 * . 1U _ 10 V _X 7R _0 4
C853
0.1U_16V_04
C 8 55 6 8 00 P_ 50 V _X 7R _0 6
U44C
74LVC08PW
9
10
8
147
C84 9
1U _ 10 V _0 6
L79
HCB1005KF-121T20
C854 10U _10V_08
U44 A
74 LV C 0 8P W
1
2
3
147
C 859 4.7U_10V_X5R_08
C851
0.1U_16V_04
C848
0.1U_16V_04
R600 100K_04
C 8 58 6 8 00 P_ 50 V _X 7R _0 6
R 60 2 10 0K _ 04
C 8 56 6 8 00 P_ 50 V _X 7R _0 6
R 592 22K_1%_04
R 59 6 10 0K _ 04
C85 0
*0 .1U_16V_04
U44D
74 LV C 0 8 PW
12
13
11
147
R597 100K_04
U44B
74LVC08PW
4
5
6
147
R 593 *73.2K_1%_04
C 8 57 6 8 00 P_ 50 V _X 7R _0 6
R601
100K_04
Q3 6
2 N 70 02 W
G
DS
C862
1U_16V_X5R_06
C8 63
1U _1 6V _X 5 R _0 6
R 595 22K_1%_04
R 594 *73.2K_1%_04
R598 *100K_04
C 860 4.7U_10V_X5R_08
C85 2
0. 1 U _1 6V _ 04
R599 *100K_04
L51 *HCB1005KF-121T20
L 47 H C B 10 05 K F -121T20
L3 FC M1005KF-121T03
C11
22 0P _ 50 V _0 4
C1 2
2 20 P _5 0V _0 4
L4 FC M1005KF-121T03
J_ SPK1
85 20 4- 0 20 01
85 20 4- 0 2R
2
1
L78
HCB1005KF-121T20
J_SPK1
1
FOR EMI
2
AUDIOGP IO0#
SB_MUTE #
L -> H
KBC_MUT E#
L -> H
L -> H
AZ_RST#
Def ault( L = Mute )
H -> H
D05 10/15
Ne ar CP+ and CP-
30 mi ls
50 0H z H ig h Pa ss Fi lt er
Fc ut (-3 db )= 52 0Hz
SPEC=0 .47U,
EVM=1U
11/24
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