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Part Name
Description
HA12227F View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
Manufacturer
HA12227F
Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System)
Hitachi -> Renesas Electronics
HA12227F Datasheet PDF : 86 Pages
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Block Diagram
HA12226F
HA12226F/HA12227F
RIN (L)
ALC (L)
NC
BIN (L)
ABO (L)
AIN (L)
RIP
GND
AIN (R)
ABO (R)
BIN (R)
NC
ALC (R)
RIN (R)
42 41 40 39 38 37 36 35 34 33 32 31 30 29
43
EQ
BIAS
28
44
Dolby
45
B-NR
27
MS
26
46
25
47
24
48
23
49
−
22
+ LPF
+
50
21
51
20
52
19
53
ALC
18
54
Dolby
17
B-NR
55
16
56
EQ
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
NORM / HIGH
A 120 / 70
PB A / B
ALC ON / OFF
Rev.6, Dec. 2000, page 7 of 86
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