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KS-FX473R/KS-FX470R
QQ
3 7 63 1515 0
HA13158A (IC941) : Power amp
1. Pin layout
1
2. Block diagram
2
1
IN1
11
IN2
IN3
13
TE
L 13942296513
IN4
23
10
UPC1228HA(IC901):Head amp
IN1
1
ANP1
NFB1
2
OUT1
3
VCC
4
GND
5
www
OUT2
6
NFB2
7
ANP2
IN2
8
UPC1228HA
1-22
http://www.xiaoyu163.com
~
23
14
18
PVCC2
INVCC
STBY
INPUTBUFFER1
INPUTBUFFER2
INPUTBUFFER3
INPUTBUFFER4
MUTE
PROTECTOR (ASO
SURGE, TSD)
12
x
ao
y
.
i
http://www.xiaoyu163.com
8
6
PVCC1
3
+
4
AMP1
-
5
7
+
8
AMP2
-
9
15
+
Q Q
16
AMP3
3
6 7
1 3
-
17
19
+
20
AMP4
-
21
22
TAB
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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