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Part Name
Description
HA12215F View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
Manufacturer
HA12215F
Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System)
Hitachi -> Renesas Electronics
HA12215F Datasheet PDF : 69 Pages
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Block Diagram
HA12215F
RIN (L)
ALC (L)
BIN (L)
ABO (L)
AIN (L)
GND
V
EE
AIN (R)
ABO (R)
BIN (R)
ALC (R)
RIN (R)
42 41 40 39 38 37 36 35 34 33 32 31 30 29
43
44
NC 45
46
47
48
49
50
51
52
53
NC 54
55
56
EQ
Dolby
B-NR
+ LPF
Dolby
B-NR
EQ
BIAS
−
+
ALC
28
27
MS
26
25
24
23
22
21
20
19
18
17
16
15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
MAOUT
MSIN
MSOUT
LM ON / OFF
REC / PB / PASS
NR ON / OFF
RM ON / OFF
V
CC
BIAS ON / OFF
B NORM / CROM / METAL
NORM / HIGH
A 120 / 70
PB A / B
ALC ON / OFF
Rev.5, Oct. 1999, page 7 of 69
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