Service manual

Schematic Diagrams
B - 26 Audio AMP2056
B.Schematic Diagrams
Audio AMP2056
Sheet 25 of 40
Audio AMP2056
SPKO UTL +_R1
R134 39K_04
AU DG
Z25 06
C2 6 0
0.1U_16V_04
Low mute!
SPKO UTL -
C1 0
180P_50V_04
SPKO UTL-
MU T E A M P #
C538
0.1U _10V_X7R_04
C5 2 0
0. 1U _ 1 6V _0 4
C 251 4.7U _6.3V_X5R_06
HP_ O UT-R[24 ]
R140 39K_04
HP_OUT-L[2 4 ]
MU TEAM P#
Near CP+ and CP-
C636
0. 01 U _ 16 V _ X 7 R _ 0 4
For M720T
3.3VS
SPKO U TR - [19]
C245
*0.1U_16V_04
R_HP_O
5VS
SPKO U TL-_R
C620 68P _50V_04
AU DG
L1
FCM 1005KF- 121T03
L57
* F C M 1 0 05 K F - 1 21 T 0 3
C6 3 7
1U _ 1 0V _0 6
HP -R [2 4 ]
AU D_AZ _R ST#[1 3 ,2 4 ]
S PKO UTR-
SPKO UTL-_R1
SPKO UTL+ S PKO UTR+
R144
M730T
5V S
5VS[12,13,16,19,21,24,27]
J _S PKL _ 72
88266-02001_R
PC B Footprint = 88266-02R
2
1
AU DG
C615
* 1 80 P_ 5 0 V_ 0 4
SPKO U TR + [1 9 ]
R_ H P_ O
L59
* F C M 1 0 05 K F - 1 21 T 0 3
3.3VS_AM P
5VS_ AM P
AUD G
C613
* 1 80 P_ 5 0 V_ 0 4
C261
0.1U_16V_04
5.6K_04
SPKO UTL +
SYSMUTEAMP#
5VS
C 257 4.7U _6.3V_X5R_06
J_ S P K R _ 7 3
*88266- 02001_R
PC B Footprint = 88266-02R
2
1
Z2509
C642
*0 .1 U_ 1 6 V_ 0 4
3.01K_1%_04
C539 0.1U_16V_04
R1 2 7
10K _04
SPK OU TL+
C515
*10U _10V_08
C 255 4.7U _6.3V_X5R_06
R141
Z25 12
AP A205 6A
U2 6
APA2 0 5 6A
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
HVD D
CVD D
SD #
CG ND
R_ O UT _ HP
L_O UT_HP
CVS S
L_OU T-
AMP_EN#
BIAS
L_OU T+
R_OUT-
R_OUT+
R_ IN _ AMP
CP+
CP-
HVS S
HP_ E N
L_IN _AMP
BE EP
VD D
PVD D PVDD
GND PG ND PGND GN D
C 262 4.7U _6.3V_X5R_06
AU DG
L_HP _O
SPKO UTR +
Z25 10
Z25 09
U24
74AH C1G 08G W
1
2
5
4
3
AUDG
HP -L [2 4 ]
SB_ MU TE#[1 3 ]
3. 3 V S[ 5,8..16,18..24,26,27,31]
R321 100K_04
FR O NT-L[2 4 ]
Z25 19
C5 7 1
2.2U_16V_X5R _06
C621 68P _50V_04
2
C5 7 2
2.2U_16V_X5R _06
D32 ASD751V
AC
FR O NT-R[2 4]
Z2510
Z25 05R144 3.01K_1%_04
L58
* F C M 1 0 05 K F - 1 21 T 0 3
5V S
R3 1 4 0_ 0 4
M720T
D0 3
BC N
AU DG
SPKO UTR -
R141 3.01K_1%_04
1
L2
FCM 1005KF- 121T03
C612
* 1 80 P_ 5 0 V_ 04
U2 8
*74AH C1G08G W
1
2
5
4
3
30mils
R137
100K _04
5V S _ A M P
5V S _ A M P
KBC _ MU TE#[2 6]
6.2K_1%_04
Z2520
C2 5 6
0.1U _16V_04
C518
*0.1U_16V_04
Z25 13
C614
* 1 80 P_ 5 0 V_ 04
R391 270_04
J_SPK*_*
AU DG
L_HP_O
SPK OU TL-
R322 10K_04
J_ S P K L _7 3
*88266- 02001_R
PC B Footprint = 88266-02R
2
1
C2 5 8
0.1U _16V_04
R3 1 5 *0_ 04
D03
BCN
L55
H CB1005KF-121T20
C2 6 3
*0.1U_16V_04
HP_PLUG[2 4]
SPKO UTR -_ R1
L56
* F C M 1 0 05 K F - 1 21 T 0 3
R390 270_04
C516
*10U _10V_08
C253
0.1U_16V_04
For M730T
Q5
DT C 11 4 EU A
CE
B
C9
180P_50V_04
L37
H CB1005KF-121T20
CO DE C_ EAP D #[24]
AU DG
C252
1U _10V_06
SPKO UTR +_R 1
3.01K_1%_04
D0 3 BC N
? ? AP A2 05 7A
SPKO U TL+_R
C254
1U_10V_06