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Circuit Diagrams and PWB Layouts
FDS Module: Audio
1
2
3
AUDIO
M24
A
0.5V / div DC
0.5µs / div
M1
M5
B
1600
SFSH 4MHZ5
3600
1
3
1K
1601
2
SFSH
3601
1
3
C
680R
1602
SIF
2
SFSH
3602
1
3
M24
3
470R
0V
1
1603
2
0V
SFSH
16
3603
0V
1
3
2
470R
0V
D
2
TO 0346
2633
OF
15 IN2
100n
0V
0346
1
SNDL_FRONT_IN
-7V8
2
0V
SNDR_FRONT_IN
3
7V2
5621
E
6u8
M30
0344
0V
1
DS-AUDIO-R
TO 1344
0V
2
OF
+8V6
0V
3
HP_GND
DS-AUDIO-L
0347
M29
CL_DS_L
1
F
2
TO 0347 OF
N14
3
CL_DS_R
0348
1
7V2
+7V7
TO/FROM
0344 OF
2
0V
3
7V8
HP_GND
-7V7
G
1
2
3
MG3.2E
4
5
6
3605
390R
3629
+5V2
7600
M25
TDA9820T/V1
3633
9
C1
10K
M
VAF1
8
B|G
2V3
IN1
I
D|K
7 STAGE
LIMITER
VCO1
5V
AMPLIFIER 1
S1
5
CONTROL
UNIT
6
S2
7 STAGE
VCO2
LIMITER
5V
AMPLIFIER 2
SUPPLY
VAF2
7
NC1
C2
13
14
12
11
4
10
2V
4V3
2V7
5V
0V
+8V6
7840-A
16
8V1
HEF4053BT
Vdd
3V2
5V
12
11
Y0
S
3V9
13
Y1
Z
14
Vss
Vee
E
4V
8
7
6
4
5
6
7.
98
7
8
9
+8V6A
3642
5K6
BC857B
2630
7622
3622
7621
BC847B
100R
4u7
3625
820R
7623
7625
BC847B
7624
BC847B
4V1
7620
4V1
TDA7309
1
19
RECL
LOUDL
2625
4V1
17
IN1L
2622
4V1
220n
18 IN2L
VOLUME+
2620
220n
4V1
20 IN3L
LOUDNESS
MUTE
220n
SERIAL BUS DECODER
2623
4V1
14 IN1R
+ LATCHES
2632
220n
4V1
13 IN2R
2629
3636
220n
11 IN3R
SOFT
MUTE
8K2
220n
4V1
INPUT
SELECTOR
VOLUME+
4603
LOUDNESS
SUPPLY
MUTE
VS
AGND
CREF
RECR
LOUDR
4604
16
7
15
10
12
4V
4V1
0V
8V1
0V
+8V6A
+8V6
7
8
9
10
11
12
13
+7V7
3748
HP_GND
HP_GND
22K
7V3
2784
3780
7757-B
5
8
M27
NJM4556AM
2K2
10u
0V
7
3V4
OUTL
2
3781
3768
6
0V
4
100K
1K5
0V
0V
DGND
6
-7V8
HP_GND
2791
5V
SDA
4
5V
22p
SCL
5
0V
3767
ADDR
8
7V2
2627
68K
CSM
3
3747
22n
M28
22K
9
OUTR
7V3
2783
3782
7757-A
3V4
3
8
NJM4556AM
2K2
10u
0V
1
3783
3766
2
0V
4
100K
1K5
0V
-7V8
HP_GND
-7V7
2794
22p
3765
HP_GND
HP_GND
68K
10
11
12
13
14
0344 E2
0346 D2
0347 F2
0348 F2
1600 B3
1601 C2
1602 C2
1603 D2
2600 E4
2601 E4
2603 C5
A
2605 B6
2620 D8
2621 F9
2622 D7
2623 E7
2624 F8
2625 D8
2626 D9
2627 E11
2628 F8
2629 E8
B
2630 A7
2631 B7
2632 E8
2633 D3
2634 B7
2638 A7
2639 C9
2640 F9
2650 E3
2783 E11
2784 D11
2785 C13
C
2786 F12
2791 E12
2792 C12
2793 F11
2794 F12
2795 F11
2796 C12
3600 B2
3601 C2
3602 C2
3603 D2
3604 E4
D
3605 A6
3796
3620 A7
DS-AUDIO-L
3621 B7
120R
3622 A8
3797
3623 A8
120R
3624 B8
3625 B8
3626 B7
3629 B6
3630 E7
3631 C7
E
3633 C6
3634 E7
3635 E6
3636 E7
3642 A8
3650 E3
3747 E12
3799
DS-AUDIO-R
3748 D12
3765 F12
120R
3798
3766 F11
3767 E12
120R
3768 D11
F
3780 D11
3781 D11
3782 E11
3783 F11
3796 D13
3797 D13
3798 F13
3799 F13
4603 E7
4604 F7
5620 F8
5621 E3
G
7600 C3
7620 D8
7621 A8
7622 A8
7623 B7
7624 C7
7625 C7
CL 16532149_022.eps
7757-A E12
171201
7757-B D12
7840-A F4
14
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