cxa1897q Sony Electronics, cxa1897q Datasheet - Page 14

• Manufacturer Part Number: cxa1897q
• Description: Dolby B Type Noise Reduction System With Recording/playback Equalizer
• Manufacturer: Sony Electronics

PB
S13
S12
S11
REC
S16
OFF
ON
R40*
R37*
R31*
R29*
240k
330k
240k
330k
S7A
S10C R41*
S10A
/25V
/25V
/25V
/25V
0.1
0.018
0.1
0.1
C34
R27*
R25*
5.1k
5.1k
C29
10k
1k
300k
C42
C40
47
47
4.7
R33*
4.7
5.1k
R20*
S14
S8
12k
R23*
C21
C22
R42
1k
R35
S50
R83
C37
50k
/25V
/25V
C32
S20A
/25V
/25V
C27
C25
C36
C31
+
4.7
4.7
4.7
4.7
MODE
RECIN2
TC
GND
TC2
OUT2
PBIN2
MUTE
OUT2
IN2
IREF
VG
AGC
AGC
D
+
+
L
AGC
REC
D
D
D
R2*
R1*
1.2k
1.2k
+
C15*
0.015
+
+
+
/25V
—14—
+
C1
22
+
+
+
+
+
+
+
C14*
0.015
+
+
OUT1
GAIN
RECIN1
OUT
OUT1
IN1
PBIN1
+
+
IREF
NRSW
TC1
AGC
AGC
AMS
AMS
RFC
Vcc
DL
D
D
D
D
/25V
/25V
/25V
/25V
S56
C35
C30
C26
C24
+
*S20B
/25V
4.7
4.7
R22*
4.7
4.7k
/25V
4.7
C17
S15
0.1
R34*
R39* S10D
R32* S10B
S9
18k
C18
5.1k
5.1k
C20
2.2
100
0.1
/25V
/25V
R26*
R24*
0.47
0.018
5.1k
10k
0.1
100k
C41
C39
C38
C28
C33
C19
0.1
C23
R21
C16
0.1
47
4.7
240k
330k
240k
330k
R43
S7B
1k
R38*
R36*
R30*
R28*
S19
S18
S17
ON
OFF
X1.7
CXA1897Q