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3 7 63 1515 0
4.1 BA3220FV-X (IC281, IC301) : Line out amplifier
• Pin layout
14
1
• Block diagram
TE
L 13942296513
+ -
1
CL+
www
.
http://www.xiaoyu163.com
Description of major ICs
8
3220
7
OUTL
CL-
LGND
14
13
+ -
REFL
2
Vcc
INL
x
ao
y
i
http://www.xiaoyu163.com
SECTION 4
8
OUTR
12
11
Q Q
3
6 7
1 3
+ -
- +
FILTER
3
4
NFL
FIL
u163
.
2 9
9 4
2 8
CR-
RGND
9
10
+
-
1 5
0 5
8
2 9
9 4
+
-
REFR
5
6
7
NFR
INR
m
co
KD-LH3150, KD-LH3100
9 9
CR+
8
2 8
9 9
(No.49838)1-27
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