Table of Contents
Advertisement
Circuit Diagrams and PWB Layouts
Multi-Channel Sound Module: Sofac Surround
2570 B4
2572 B1
2576 A4
2579 B3
2571 B5
2575 B1
2577 C4
2583 B3
1
2
Sofac Surround
A
N18
0.5V / div DC
7570
0.2ms / div
TDA7438
6
N18
2572
MUXOL
Surround_Left
3 LI1
B
= Vout_SL
N4-E9
10u
4 LI2
5 LI3
N19
2575
INPUT MUX
Surround_Right
2 RI1
+ GAIN
= Vout_SR
N4-E9
10u
1 RI2
N19
28 RI3
MUXOR
8
C
0.5V / div DC
0.2ms / div
D
E
1
2
MG3.2E
7.
2586 C3
2592 C4
2594 C5
2596 D6
2590 C3
2593 A5
2595 A6
2597 B6
3
4
2576
3583
10K
10u
VSOF
N17-E3
2570
N17-A4
5V2
100n
7
18
17
16
14
15
24
VS
LO
27
VOL
TREB
MIDD
BASS
ATT
SCL
21
SDA
22
I 2 C BUS DECODER+ LATCHES
2571
DGND
20
VOL
TREB
MIDD
BASS
ATT
100n
RO
26
3571
10R
CREF
AGND
9
19
10
11
12
13
23
25
2577
3590
10K
10u
3
4
112
2598 D6
3571 C5
3583 A4
3589 B6
3591 B6
2695 B8
3573 B5
3587 A6
3590 C4
3593 C6
5
6
7
N17-B4
N20
12VP_IN1
2595
100n
2593
0.1V / div DC
7595-A
3
0.2ms / div
8
LM833D
N20
10u
1
VL_SL
2
N12-D3
4
12VN_IN1
N17-A4
3591
10K
2597
N10-C8
33p
SCL_SOFAC_REAR
SDA
N16-A1
N21
N17-B4
12VP_IN1
0.1V / div DC
2594
7595-B
0.2ms / div
5
8
LM833D
N21
10u
7
VL_SR
N12-D3
6
4
2596
100n
12VN_IN1
N17-A4
3595
10K
2598
33p
5
6
7
3594 D6
3671 B9
3795 C10
7595-A A6
7695 C8
3595 D6
3673 B9
7570 B2
7595-B C6
7696 D10
8
9
N17-A4
5V2
2695
RES
16
9
10
VDD
MSB
LSB
N17-A4
LOGIC
7695
HEF4052BT
N10-B5
1
LL
SCL_SOFAC_REAR
N9-C5
5
LH
H
SCL_SOFAC_MIDDLE
N8-C5
2
HL
L
3
SCL_SOFAC_FRONT
4
HH
12
LL
14
LH
H
15
13
HL
L
11
HH
VSS
VEE
8
7
6
8
9
10
A
B
N16-A4
SEL_SOFAC_1
SEL_SOFAC_0
N16-A4
5V2
C
SCL
N16-A1
D
E
CL 96532042_021.eps
211201
10
Advertisement
Table of Contents
