7.
Circuit Diagrams and PWB Layouts
Mono Carrier: Audio Amplifier
AUDIO_AMPLIFIER
16V
B
C
D
E
1280 B9
1281 B9
1282 D2
2916 C5
2917 D3
2918 D4
2985 A3
2986 A7
2987 A6
2988 C6
2989 A4
2990 B5
2991 B3
2992 B4
2993 B5
2994 B7
2995 B7
2996 B8
2997 C8
*
8 ohm / 15W
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
A
B
C
D
E
A
RES
TO 1683 OF
3985 A3
3988 B4
3989 B8
3991 B3
3992 B4
3993 B8
3994 C4
3995 B5
3996 C5
3997 C4
3998 E2
3999 D4
4992 D5
6990 D2
6992 D4
7990 A6
+16V
A4
A4
7991 C5
7992 C4
7993 D4
7994 E2
A5
RES
+16V
A4
8 ohm / 15W
-16V
0V7
1
Stdby_Con
MUTING
2
3
4
5
1281
7994
BC847B
1K0
3991
22n
2994
680R
3996
2986
100n
Audio_Gnd
BC847B
7992
7993
BC847B
3998
10K
3999
2988
100n
1280
1
3994
68K
Audio_Gnd
1n0
2990
MUTE
2
OUT1
4
OUT2
6
VP+
VP-
V|GND
3
7990
TDA2616Q
INV1-
INV12
8
INV2-
3988
4K7
100u
2917
2993
1n0
6.3V
3989
10R
2918
4u7
4992
BZX384-C5V1
6992
47K
3995
1K0
3985
7991
BC847B
220n
2989
I951
F952
F955
I952
47n
2996
10R
3993
3997
100K
1282
100n
2987
220n
2992
2985
22n
2995
2997
47n
3992
4K7
Audio_Gnd
2991
BAS316
6990
2916
4u7
1
VOL_MUTE
MAIN_OUTR
MAIN_OUTL
AmpOutR
-Vaudio
AmpOutL
A7
A7
3139 123 5676.5
F_16120_007.eps
121205
50mV / div AC
2ms / div
50mV / div AC
2ms / div
500mV / div AC
2ms / div
500mV / div AC
2ms / div
I952
I951
F952
F955