Sony CA-550 - Page 78

5-4
IC
CA-550
CA-550P
LA1140 (SANYO) LM4040BIM3 (NS)
M51132FP (MITSUBISHI) FLAT PACKAGE
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
— TOP VIEW —
2
1
3
NC
LM339NS (TI) FLAT PACKAGE
+
-
+
1234567
14 13 12 11 10 9 8
-
+
-
+
-
QUAD COMPARATORS
—TOP VIEW—
LM358PS (TI) FLAT PACKAGE
DUAL OPERATIONAL AMPLIFIERS
— TOP VIEW —
1
2
3
4
8
7
6
5
GND
V
CC
(+3 V to +30 V)
–+
+–
MC14018BF (MOTOROL) FLAT PACKAGE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
FB (FEEDBACK) IN
A IN
B IN
Q B OUT
Q A OUT
Q C OUT
C IN
V DD
(+3 V to +12 V)
RD (RESET DIRECT) IN
CK (CLOCK) IN
Q E OUT
E IN
Q D OUT
RE (RESET ENABLE) IN
D IN
GND
DIVIDE
BY
10
9
8
7
6
5
4
3
2
14
1
10
PE
11
13
5
4
6
Q
A
Q B
Q C
Q D
Q E
9
D
15
R
D
FB
2
A
3
B
7
C
12
E
C-MOS RESETTABLE DIVIDE-BY-N COUNTER
— TOP VIEW —
CONNECT TO FB
INPUT
Q E
Q D, Q E
Q D
Q C, Q D
Q C
Q B, Q C
Q B
Q A, Q B
Q A
5 COUNTS HIGH, 5 COUNTS LOW
5 COUNTS HIGH, 4 COUNTS LOW
4 COUNTS HIGH, 4 COUNTS LOW
4 COUNTS HIGH, 3 COUNTS LOW
3 COUNTS HIGH, 3 COUNTS LOW
3 COUNTS HIGH, 2 COUNTS LOW
2 COUNTS HIGH, 2 COUNTS LOW
2 COUNTS HIGH, 1 COUNTS LOW
1 COUNTS HIGH, 1 COUNTS LOW
RESULT FROM EACH Q OUTPUT
VIA
DIRECT
AND GATE
DIRECT
AND GATE
DIRECT
AND GATE
DIRECT
AND GATE
DIRECT
IF AMP, LIMITTER, DETECTOR, MUTING, + FM CS
— PRINTED SIDE VIEW —
V
DD
(+8 V)
1
GND
1st
IF IN
1
AF OUT
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
GND
AGC
S-MUTER
MUTE
DRIVE
V RET
QUAD
IN
IF OUT
AF OUT
AFC
MUTE IN
MUTE ATT
ADJ
IF
IN
12
V
CC
9
IF OUT
11
QUAD IN
13
V RET
VOLTAGE
REGULATOR
AFC
CLAMP
LEVEL
DEL
2nd 3rd 4th 5th 6th
AGC
DRIVE
LEVEL
DEL
LEVEL
DEL
SIGNAL
LEVEL
INDICATE
QUADRATURE
LIMITER
QUADRATURE
DET
AF
MUTE
AMP
7
AFC
5
MUTE
ATT
ADJ.
MUTE IN
6
MUTE DRIVE
14
S-METER
15
AGC
16
INVERTER
HOLE
DET
DC
LEVEL
DET
MUTE
DRIVE
8
2-CHANNEL ELECTORONIC LEVEL CONTROL
—TOP VIEW—
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
REF
FILTER
LEVEL/LEVEL1
REDUCE
BAL/LEVEL2
PASS/VCA
NC
GND
OUT1
IN1
IN 2
OUT 2
MODE
V
CC (+12V)
NC
NC
15
11
5
7
9
2
6
8
IN1
IN2
LEVEL/LEVEL1
BAL/LEVEL2
MODE SEL
FILTER
REDUCE
PASS/VCA
OUT1
OUT2
REF
V OUT
16
10
1
SEL
BAL/LEVEL2
FILTER
IN1
IN2
MODE SEL
OUT1
OUT2
PASS/VCA
REDUCE
LEVEL/LEVEL1
V OUT
REF
; BALANCE/LEVEL2 CONTROL
; FILTER
; INPUT 1
; INPUT 2
; MODE SELECT
; OUTPUT 1
; OUTPUT 2
; PASS/VCA CONTROL SWITCH
; SWITCHING NOISE REDUCE
; LEVEL/LEVEL1 CONTROL
; REFERENCE VOLTAGE OUTPUT
VCA1
OUTPUT
BUFFER 1
16
OUT1
15
IN1
OUT2
10
IN2
11
REG
1
2
V OUT
FILTER
REF
INPUT
BUFFER 1
INPUT
BUFFER 2
OUTPUT
BUFFER 2
VCA2
CONTROL
VOLTAGE
GENERATOR
CONTROL MODE
SELECT
PASS/VCA
SELECT
4
5
6
7
8
GND
LEVEL/LEVEL1
REDUCE
BAL/LEVEL2
PASS/VCA
V OUT
14
Vcc
MODE SEL
9