Sony BVP-550 Maintenance Manual page 595

M51132FP(MITSUBISHI)FLAT PACKAGE
2-CHANNEL ELECTRONIC LEVEL CONTROL
—TOP VIEW—
1 16 OUT1
V OUT
REF
FILTER 2 15 IN1
3 NC V 14
CC (+12V)
4 GND NC 13
LEVEL/LEVEL1 5 NC 12
REDUCE 6 11 IN 2
BAL/LEVEL2 7 10 OUT 2
MODE
PASS/VCA 8 9
SEL
14
V
cc
1
REG
V OUT
REF
2
FILTER
4
GND
5
CONTROL
LEVEL/LEVEL1
VOLTAGE
7
BAL/LEVEL2
GENERATOR
6
CONTROL MODE
REDUCE
8
SELECT
PASS/VCA
PASS/VCA
9
MODE SEL
SELECT
M51958A(MITSUBISHI)FLAT PACKAGE
VOLTAGE DETECT DELAY
— TOP VIEW —
NC
1 8
NC
V
CC
IN 2 7
(+2 V to +17 V)
3 NC 6 OUT
4 5 CD
GND
V
CC
5 µA 2.5 µA
+
2
IN –
+
1.25 V
5
CD
BVP-550
15 16
IN1 OUT1
11 10
IN2 OUT2
5
LEVEL/LEVEL1
7
BAL/LEVEL2
9
MODE SEL
2
FILTER
1
V OUT
REF
6
REDUCE
8
PASS/VCA
BAL/LEVEL2 ; BALANCE/LEVEL2 CONTROL
FILTER ; FILTER
IN1 ; INPUT 1
IN2 ; INPUT 2
MODE SEL ; MODE SELECT
OUT1 ; OUTPUT 1
OUT2 ; OUTPUT 2
PASS/VCA ; PASS/VCA CONTROL SWITCH
REDUCE ; SWITCHING NOISE REDUCE
LEVEL/LEVEL1 ; LEVEL/LEVEL1 CONTROL
V OUT ; REFERENCE VOLTAGE OUTPUT
REF
OUTPUT
VCA1 BUFFER 1
16
OUT1
15
IN1
INPUT
BUFFER 1
INPUT
BUFFER 2
11
IN2
10
OUT2
VCA2 OUTPUT
BUFFER 2
6
OUT
M52313SP(MITSUBISHI)
PLL VIF/SIF
— TOP VIEW —
AFT COIL 1 20 EQ
OUT
AFT 2 19 EQ
OUT IN
V
RF AGC CC
3 18
(+5 V)
OUT
IF AGC
4 17 VIDEO
OUT
FILTER
V
CC
VIF 5 16
IN
(+5 V)
VIF 6 15 VCO COIL
IN
7 GND 14 VCO COIL
RF AGC
V
CC
8 13
DELAY (+5 V)
FM DET
9 12 SIF
IN
COIL
AUDIO
10 11 APC FILTER
OUT
VIDEO VCO
EQ OUT EQ IN OUT COIL
20 19 17 15
EQ VIDEO VIDEO
AMP AMP DET
AFT
RF IF
IF AMP
AGC AGC
1 2 3 4 5 6
AFT COIL AFT RF AGC IF AGC VIF IN VIF IN
IN OUT OUT FILTER IN
M62021FP(MITSUBISHI)FLAT PACKAGE
SELECTION SW BUILT-IN SYSTEM RESET
— TOP VIEW —
3
V
V 1 8 CS
OUT
2
V BAT
V 2 7 RES
BAT
4
CT
V 3 +5V 6
IN GND
CT 4 5 RES
CS ; CHIP SELECT OUTPUT
CT ; DELAY CAPACITY INPUT
RES ; RESET OUTPUT
VBAT ; VIDEO SIGNAL BACKUP INPUT
VIN ; VIDEO SIGNAL INPUT
VOUT ; VIDEO SIGNAL OUTPUT
SW
3
1
V IN
D1
R1
2
Com
–
+
R2
1.24 V
8
7
RES
4
5
RES
19 20
EQ EQ
12 10
SIF AUDIO
9
FM DET
COIL
11 APC 17
VIDEO
FILTER
14
VCO COIL
15
VCO COIL
4 3
IF AGC
RF AGC
FILTER
8
REF AGC
DELAY
6 2
VIF AFT
5
VIF
1 AFT
COIL
VCO APC
COIL SIF IN FILTER IN
14 12 11
VCO
APC LIM
LOCK FM
DET DET
8 9 10
RF AGC FM DET AUDIO
DELAY COIL OUT
1
V
8
CS
7
RES
5
RES
V OUT
V BAT
CS
CT
6-13
IC