Sony BVP-950 Series, Maintenance Manual

Page: 101 / 558

2-19
BVP-950
BVP-950P
IC
AO1 - AO12
CK
DI
DO
LD
; 8-BIT D/A OUTPUTS
; CLOCK INPUT
; SERIAL DATA INPUT
; DATA OUTPUT
; DATA LOAD CONTROL INPUT (H ; LOAD)
17
16
D1
AO1
AO2
AO3
AO4
AO5
AO6
AO7
AO8
AO9
AO10
AO11
AO12
DO
18
19
2
3
4
5
6
7
8
9
12
13
14
AO3
OUT
AO4
OUT
AO5
OUT
AO6
OUT
AO7
OUT
AO8
OUT
AO9
OUT
AO10
OUT
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
AO2
OUT
AO1
OUT
DI
IN
CK
IN
LD
IN
DO
OUT
AO12
OUT
AO11
OUT
GND
V
CC
( + 5V)
V
DD
( + 5V)
GND
15
LD
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
17
DI
16
CK
15
LD
ADDRESS
DECODER
12-BIT
SHIFT REGISTER
8-BIT
LATCH
8-BIT
R-2R
D/A CONV
+
_
AO12
13
8-BIT
LATCH
8-BIT
R-2R
D/A CONV
+
_
AO1
18
8 8 8
8 8
12
DO
14
C-MOS 8-BIT D/A CONVERTER
—TOP VIEW—
1 16
V
DD( + 5V)
GND 2 15 V +
C1 +
3 14 C1 _
4 13 C2 + R1
IN
5 12 C2 _ R1
OUT
T1
OUT
6 11 V _ T1
IN
7 10
T2
OUT
T2
IN
8 9 R2
IN
R2
OUT
1
C1 +
3
C1 _
4
C2
+
5
C2
_
11
T1
10
T2
13
R1
8
2
6
14
7
12
9
R2
V +
V
_
T1
T2
R1
R2
R1, 2
T1, 2
; RECEIVER 1, 2
; TRANSMITTER 1, 2
+ 5V
INPUT
16
1
3
+
C1
4
5
11
+
+
C2
T1
–10V
+ 5V
+ 10V 2
6
14
R
R
DTR
DSR
TXD
RS-232 OUTPUT
400k
10
T2
+ 5V
7 RTS
RS-232 OUTPUT
400k
12
R1
13 RXD
RS-232 INPUT
5k
9
R2
8 CTS
RS-232 INPUT
5k
15
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
+ 5V TO + 10V
VOLTAGE DOUBLER
+
10V TO
_
10V
VOLTAGE INVERTER
+ +
C3
C5 C4
ALL CAPACITORS 0.1µF
C-MOS RS-232 TRANSMITTER/RECEIVER
—TOP VIEW—
19
12
9
11
14
15
4
8
6
5
1
EQ
SIF
VCO COIL
VCO COIL
VIF
VIF
EQ
AUDIO
VIDEO
RF AGC
AFT
20
10
17
3
2
AFT COIL
AFT
OUT
VIF
IN
VIF
IN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
V
CC
( + 5V)
EQ
OUT
EQ
IN
VIDEO
OUT
VCO COIL
VCO COIL
SIF
IN
APC FILTER
RF AGC
OUT
IF AGC
FILTER
RF AGC
DELAY
FM DET
COIL
AUDIO
OUT
V
CC
(
+
5V)
V
CC
( + 5V)
FM DET
COIL
APC
FILTER
IF AGC
FILTER
REF AGC
DELAY
AFT
COIL
EQ
AMP
20
EQ OUT EQ IN
19
VIDEO
AMP
17
VIDEO
OUT
VIDEO
DET
VCO
14 15
VCO
COIL
VCO
COIL
APC
LOCK
DET RF
AGC
IF
AGC
IF AMP
AFT
1 2 3 4 5 6 8 9 10
12
SIF IN
11
APC
FILTER IN
LIM
FM
DET
AFT COIL
IN
AFT
OUT
RF AGC
OUT
IF AGC
FILTER IN
VIF IN VIF IN RF AGC
DELAY
FM DET
COIL
AUDIO
OUT
PLL VIF/SIF
—TOP VIEW—
10
9
8
7
6
5
4
3
2
1
+ V
CC
(
+ 18V)
_ V
CC
( _ 18V)
NC
GND
OUT 2
LINE VC2
IN 2
IN 1
LINE VC1
OUT 1
LINEAR CONTROL DUAL VOLTAGE CONTROLLED AMP
—SIDE VIEW—
M5207L01 (MITSUBISHI)
M52313SP (MITSUBISHI)
MAX232CWE (MAXIM)
MAX232CWE-TE-2
MB88346BPFV (FUJITSU)FLAT PACKAGE(SMALL)
MB88346BPFV-EF