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IC
[|IC|]
CXA1619BM (SONY)
FM/AM RADIO
—TOP VIEW—
GND
1
FM DISCRI
2
NF
3
VOL CONT
4
AM OSC
5
AFC
6
FM OSC
7
REG OUT
8
FM RF
9
AM RF IN
10
NC
11
FM RF IN
12
GND
13
FM/AM FE OUT
14
INPUTS
AF IN
: POWER AMPLIFIER
AFC
: AUTOMATIC FREQUENCY CONTROL
AFC/AGC
: AUTOMATIC GAIN AND FREQUENCY CONTROL
AM IF IN
: AM IF INPUT STAGE
AM OSC
: AM LOCAL OSCILLATOR
AM RF IN
: AM RF AMPLIFIER
BAND SELECT
: BAND SELECT FOR FM/AM
FM DISCRI
: FM DISCRIMINATOR
FM IF IN
: FM IF AMPLIFIER
FM OSC
: FM LOCAL OSCILLATOR
FM RF
: ALIGNMENT COIL CONNECT FOR FM RF
FM RF IN
: FM RF AMPLIFIER
NF
: NEGATIVE FEEDBACK
RIPPLE FILTER
: RIPPLE FILTER
OUTPUTS
AF OUT
: POWER AMPLIFIER
DET OUT
: DETECTOR
FM/AM FE OUT
: AM AND FM FRONT-END
METER
: METER DRIVER
REG OUT
: REGULATOR VOLTAGE
VOL CONT
: VOLTAGE CONTROL
OTHER
NC
: NO CONNECTION
AF
RIPPLE
AF
DET
OUT
FILTER
IN
OUT
27
25
24
23
AM IF DET AGC
AF POWER AMP
DISCRIMINATOR
2
3
4
5
6
FM
NF
VOL
AM
AFC
DISCRI
OSC
5-2
28
GND
27
AF OUT
26
V
CC
25
RIPPLE FILTER
24
AF IN
23
DET OUT
22
AFC/AGC
21
AFC/AGC
20
GND
19
METER
18
NC
17
FM IF IN
16
AM IF IN
15
BAND SELECT
AFC
AFC
FM
AGC
AGC
IF IN
IF IN
METER
22
21
19
17
16
TUNING METER
AM FE
FM
FM IF
FM FE
7
8
9
10
12
FM
REG
FM
AM
FM
OSC
OUT
RF
RF IN
RF IN
FM/AM
AM
BAND
SELECT
25
14
FM/AM
FE OUT
YS-W270/W270P (E)
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