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HA13158A (IC981) : Power amp
1. Pin layout
2. Block diagram
IN1
IN2
IN3
TE
L 13942296513
IN4
UPC1228HA(IC901):Head amp
1.Terminal layout & Block diagram
AMP1
www
1
2
.
http://www.xiaoyu163.com
1
~
23
14
18
PVCC2
INVCC
2
STBY
1
INPUTBUFFER1
11
INPUTBUFFER2
13
INPUTBUFFER3
23
INPUTBUFFER4
10
MUTE
PROTECTOR (ASO
SURGE, TSD)
12
AMP2
x
ao
y
3
4
5
6
7
8
i
http://www.xiaoyu163.com
8
6
PVCC1
3
+
4
AMP1
-
5
7
+
8
AMP2
-
9
15
+
16
Q Q
AMP3
3
6 7
1 3
-
17
19
+
20
AMP4
-
21
22
TAB
2.Pin function
Pin No.
Electrical connection
1
Input 1
2
Negative feed back 1
3
Output 1
4
Power supply; +Vcc
5
Ground
u163
6
Output 2
7
Negative feed back 2
8
Input 2
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
KS-F161
9 9
2 8
9 9
1-21
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