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Circuit Diagrams and PWB Layouts
Mono Carrier: Class D - Audio Amp. (Res)
1
2
CLASS D - AUDIO AMP
A
Audio_Gnd
2930
I909
MAIN_OUTL
A4
100n
3932
4K7
B
2933
120p
Audio_Gnd
C
F901
3962
VOL_MUTE
A4
4K7
D
-Vaudio
Audio_Gnd
E
2935
I925
MAIN_OUTR
A4
100n
3938
4K7
RES
2938
1222
1
120p
F910
2
Audio_Gnd
3
4
5
F
F911
6
Vaudio+
Audio_Gnd
3141 053 3129.1
1
2
L04A AB
3
4
(RESERVED)
2931
Vaudio+
560p
3931
150K
I941
Vaudio-
2977
2928
1u0
1n0
Audio_Gnd
8
3930
I910
3
I916
1
-9V1
10K
2934
I911
2
7901-1
220p
LM393N
4
Audio_Gnd
2932
-V
1u0
3935
Vaudio-
I913
3933
I914
2K7
100K
+Vaudio
Vaudio-
2960
22u
2942
7904
1V6
BC857B
I915
100n
I920
1V5
I921
3947
Audio_Gnd
39K
I919
I922
7903
-2V8
BC847B
I945
3948
-15V6
47K
I918
2936
560p
3937
6904
-V
150K
BZX384-C27
2929
1n0
8
3936
5
7
-9V1
10K
2939
6
7901-2
220p
LM393N
4
2937
1u0
-V
3939
3941
I948
2K7
100K
3
4
7.
37
5
6
6906
I928
Vaudio+
Vaudio-
BAV99
2951
+Vaudio
47n
2961
2950
I924
25V 47u
I930
47n
2949
3960
100K
470u 35V
-Vaudio
2948
6905
2
22u
1
3
2947
P0102DA
47n
Vaudio+
7902
TDA8925J
Φ
VDD1
VDD2
CLASS-D
AMPLIFIER
2952
-9V1
1
6
10V7
SW1
BOOT1
2
4911
REL1
1u0
-2V7
4
5911
EN1
7
I934
OUT1
-2V8
9
3955
STAB
I936
3
-2V8
DIAG
-8V8
15
POWERUP
4R7
2953
I937
12
10V5
BOOT2
-9V1
17
SW2
1u0
16
REL2
-2V8
14
11
I938
EN2
OUT2
VSS1
VSS2
3971
2945
4R7
Vaudio-
35V 470u
4912
2946
Vaudio+
5912
I939
47n
Audio_Gnd
5
6
7
8
9
3975
+9VB
*
*
9911
9913
1903
5913
Vaudio+
RES
VALUE
Vaudio+1
MRT
9910
V_DG
7906
I942
I944
BC327-25
3965
6903
VT_Supply
10K
BAS316
5914
I926
RES
5910
I927
9914
RES
4913
Vaux_GND
Vaudio-
9915
-V
4910
Audio_Gnd
Vaux_GND
Audio_Gnd
2984
Audio_Gnd
220n
Audio_Gnd
2980
220n
Audio_Gnd
F904
5901
5907
I935
33u
33u
2955
Vaudio-
680p
2954
Vaudio+
680p
Audio_Gnd
Audio_Gnd
F903
2971
F905
Vaudio-
Audio_Gnd
680p
I943
2970
Vaudio+
680p
5902
I940
I946
3957
5908
33u
33u
39K
Audio_Gnd
Audio_Gnd
Audio_Gnd
4914
4916
4915
4917
E_14770_011.eps
Audio_Gnd
7
8
9
1222 F1
3975 A7
1902 C9
4910 B9
1903 A7
4911 C7
2928 A2
4912 D7
2929 E2
4913 B7
2930 A2
4914 F8
2931 A2
4915 F8
2932 B2
4916 F8
2933 B2
4917 F8
2934 B2
5901 C7
2935 E2
5902 D7
2936 D2
5907 C8
A
2937 E2
5908 D8
2938 F2
5910 B7
2939 E2
5911 C7
2942 C4
5912 D7
2945 D5
5913 A8
2946 D5
5914 B7
2947 B5
6901 D2
2948 B5
6903 A9
2949 B5
6904 E3
2950 A5
6905 B5
2951 A5
6906 A6
B
2952 C6
7901-1 B3
2953 D6
7901-2 E3
2954 D7
7902 C5
2955 C7
7903 D3
2957 C8
7904 C2
2958 C8
7906 A8
2960 C4
9910 A7
2961 A5
9911 A7
2963 B6
9913 A8
2970 D7
9914 B7
2971 D7
9915 B7
2972 E7
F901 C2
C
2973 E8
F903 D9
2974 E8
F904 C9
2977 A4
F905 D9
2978 B8
F910 F1
2979 B8
F911 F1
2980 C8
I909 A2
1902
2981 E7
I910 A3
5
2982 C8
I911 B3
4
2983 E8
I913 B2
3
2984 C8
I914 B3
2
3930 A2
I915 C3
1
3931 A2
I916 B4
D
3932 B2
I918 D3
3933 B2
I919 C4
3934 B3
I920 C2
3935 B3
I921 C4
3936 E2
I922 D4
Vaudio+
3937 E2
I924 A5
3938 E2
I925 E2
3939 F2
I926 B8
3940 F3
I927 B8
3941 F3
I928 A5
3942 B4
I930 A6
E
3943 C4
I934 C6
3945 E9
I935 C7
3946 D2
I936 C7
3947 C3
I937 D6
3948 D2
I938 D6
3949 C4
I939 D7
3952 C6
I940 D7
3953 D6
I941 A3
3955 C7
I942 A8
3956 C8
I943 D7
3957 D9
I944 A9
3958 A5
I945 D4
3959 C3
I946 D9
F
3960 B5
I948 F3
3961 C3
3962 C2
3964 B8
3965 A8
3971 D7
3972 E9
3973 A3
300704
3974 C4
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