Sony CFS-515S - Page 15

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IC301 BA3426AS
r
IC Block Diagrams (Main Section)
IC101, 201 BA5417
1
N.C
2
B.S.2
3
OUT1
4
B.S.1
OUT2
VCC
5
POWER GND
6
SW
7
RIPPLE
8
NF1
9
IN1
10
IN2
11
NF2
12
PRE GND PRE GND
13 14 15
BS
BS
ST. BY
FILTER
T. S. D
1
A-L
2
TAPE-NF-L
3
TAPE-O-L
74
A-R
5
TAPE-NF-R
6 8 9 10 11
TAPE-O-R
MIC/HS
MIC-NF
MIC -IN
RADIO-IN -L
RADIO-IN -R
CD-IN-L
CD-IN-R
LINE-OUT-L
LINE-OUT-R
BIAS-IN
12 13 1614 15
32 31 30 2629 28 27 25 24 23 22
B-L B-R TR-B TR-C TAPE-MODE FNC REC-EQ-L REC-EQ-R REC-NF-L REC-NF-R LPF-L LPR-R AGC BIAS GND VCC
VCC
21 20 1719 18
REC EQ
HS : 1.4V OUT (Low lmp.)
Nor : 0.35V OUT (Hogh lmp.)
LOGIC
REC EQ
AGC
ECM : Open Mic : Low