Sony BVP-900P Maintenance Manual page 145

M5207L01 (MITSUBISHI)
LINEAR CONTROL DUAL VOLTAGE CONTROLLED AMP
—SIDE VIEW—
+V
CC
( +18V )
10
9 OUT 2
8 LINE VC2
7 IN 2
NC 6
_V
CC
( _18V )
5
4 IN 1
3 LINE VC1
2 OUT 1
GND
1
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
(+5V)
OUT
IF AGC
4 17 VIDEO
OUT
FILTER
V
CC
VIF 5 16
IN
(+5V)
VIF 6 15 VCO COIL
IN
7 14 VCO COIL
GND
RF AGC
V
CC
8 13
DELAY
(+5V)
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
VCO
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
BVP-900
BVP-900P
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
APC LIM
LOCK FM
DET DET
8 9 10
RF AGC FM DET AUDIO
DELAY COIL OUT
MAX232CWE (MAXIM)
MAX232CWE-TE-2
C-MOS RS-232 TRANSMITTER/RECEIVER
—TOP VIEW—
1
C1+
C1 + 1 V 16 3
DD(+5V)
C1_
4
C2+
5
V + 2 GND 15
C2_
11
C1 _ 3 14
T1
OUT
T1
10
T2
C2 + 4 13 R1
IN
13
R1
C2 _ 5 12 R1 8
OUT
R2
V _ 6 11
T1
IN
R1, 2
7 10
T2 T2
OUT IN T1, 2
R2 8 9 R2
IN OUT
+5V
INPUT
C5
16
1
+5V TO +10V
+
C1
VOLTAGE DOUBLER
3
+ +10V TO _10V
4
C2
VOLTAGE INVERTER
5
+5V
400k
11
T1
+5V
TTL/CMOS
INPUTS
400k
10
T2
12
R1
TTL/CMOS
OUTPUTS
9
R2
MB88346BPFV (FUJITSU)FLAT PACKAGE(SMALL)
MB88346BPFV-EF
C-MOS 8-BIT D/A CONVERTER
—TOP VIEW—
1 20
GND
GND
AO3 2 19 AO2
OUT OUT
AO4 3 18 AO1
OUT OUT
AO5 4 17 DI
OUT IN
AO6 5 16 CK
OUT IN
AO7 6 15 LD
OUT IN
AO8 7 14 DO
OUT OUT
AO9 8 13 AO12
OUT OUT
AO10 9 12 AO11
OUT OUT
V
V CC
DD
10 11
(+5V)
(+5V)
AO1 - AO12 ; 8-BIT D/A OUTPUTS
CK ; CLOCK INPUT
DI ; SERIAL DATA INPUT
DO ; DATA OUTPUT
LD ; DATA LOAD CONTROL INPUT (H ; LOAD)
8 8
D0
D1
D2
17
DI D3
D4
D5
8
D6
16
CK D7
D8
D9
ADDRESS 12
D10 DECODER
D11
15
LD
2
V+
6
V_
14
T1
7
T2
12
R1
9
R2
; RECEIVER 1, 2
; TRANSMITTER 1, 2
ALL CAPACITORS 0.1µF
C4
R
DTR
2 +10V
R
DSR
–10V
6
C3
14 TXD
RS-232 OUTPUT
7 RTS
RS-232 OUTPUT
13 RXD
RS-232 INPUT
5k
8 CTS
RS-232 INPUT
5k
15
18
AO1
19
AO2
2
AO3
3
AO4
4
AO5
17 5
D1 AO6
6
AO7
7
AO8
8
AO9
9
AO10
12
AO11
13
AO12
16
14
DO
LD
15
8-BIT
8-BIT
8
13
R-2R +
LATCH
AO12
_
D/A CONV
8-BIT
8-BIT
8
18
R-2R +
LATCH
AO1
_
D/A CONV
14
DO
2-19
IC