Sony BVP-550 Maintenance Manual page 399

DA-88 BOARD
PR, 1-38 1-42 Y (L) IN
Y0-Y9
PR, 1-36 1-40 Y (1) IN
PR, 1-35 1-39 Y (2) IN
PR, 1-34 1-38 Y (3) IN
PR, 1-33 1-37 Y (4) IN
PR, 1-32 1-36 Y (5) IN
PR, 1-31 1-35 Y (6) IN
PR, 1-30 1-34 Y (7) IN
PR, 1-29 1-33 Y (8) IN
PR, 1-28 1-32 Y (M) IN
PR, 1-26 1-30 R-Y (L) IN
RY0-RY9
PR, 1-25 1-29 R-Y (1) IN
PR, 1-24 1-28 R-Y (2) IN
PR, 1-23 1-27 R-Y (3) IN
PR, 1-22 1-26 R-Y (4) IN
PR, 1-21 1-25 R-Y (5) IN
PR, 1-20 1-24 R-Y (6) IN
PR, 1-19 1-23 R-Y (7) IN
PR, 1-18 1-23 R-Y (8) IN
PR, 1-17 1-21 R-Y (M) IN
PR, 1-15 1-19 B-Y (L) IN
BY0-BY9
PR, 1-14 1-18 B-Y (1) IN
PR, 1-13 1-17 B-Y (2) IN
PR, 1-12 1-16 B-Y (3) IN
PR, 1-11 1-15 B-Y (4) IN
PR, 1-10 1-14 B-Y (5) IN
PR, 1-9 1-13 B-Y (6) IN
PR, 1-8 1-12 B-Y (7) IN
PR, 1-7 1-11 B-Y (8) IN
PR, 1-6 1-10 B-Y (M) IN
2 4
SG, 1-55 1-46 18MHz (X) IN 34
9, 10 8 13 11
8 8
IC35
5 9
SG, 1-50 1-43 VD IN MM Q
IC36
15,1-7
14
AT, 1-14 1-3 IIC DATA DI Q0
DLY0-DLY7
IC10
Q7
+4.8V
1 EEPROM
S P
A0
5 µY7
2
SEA CONV.
A1 12
3 LD
11 9 14
A2
DO
6
12
11
4
1, 2
AT, 1-13 1-2 IIC CLK 12
2 4
AT, 1-17 1-1 LD (DA) IN
11
SG, 1-25 1-8 DL BLKG IN
AT, 1-28 1-51 CHAR VF
SG, 1-23 1-6 DL SYNC IN
SG, 1-17 1-4 SAMPLE 2 IN
PR, 1-117 1-76 H1-Y (X) IN
PR, 1-115 1-74 C (X) IN
SG, 1-36 1-41 N/P IN
PR, 1-119 1-78 VF-Y (X) IN
BVP-550
IC7
FL6
IC4
1-11 36-31, 29-26 19-28
58
DI0 DO0 B0
Y0-Y9 YB0 - AYB9
B0 LPF
DI9 DO9 B9
24-22
PSE0
DLYO-DLY2
PSE2
DDL
21, 20, 18, 17
PSW0
FL7
DLY3-DLY6
PSW3
54
G0 LPF
42
CLK
IC5
1-11 36-31, 29-26 9-18
G0
DI0 DO0
RY0-RY9 RYB0 - RYB9
G9
DI9 DO9
FL8
24-22
50
PSE0
DLYO-DLY2 LPF
R0
PSE2
DDL
21, 20, 18, 17
PSW0
DLY3- DLY6
PSW3
42
CLK
SW1
A
IC6
1-11 36-31, 29-26 63.64,1-9
DI0 DO0 R0
BY0-BY9 DYB0 - DYB9
DI9 DO9 R9
24-22
INH
PSE0
DLYO-DLY2
B
PSE2
1
DO0 R-Y SYNC
21, 20, 18, 17
2 107
PSW0
DLY3- DLY6
PSW3
INH
42
DL SYNC
CLK 2 4 2
110 4
1 108
B-Y SAMPLE
4
6 33
5 8 BCK
3
RCK
1
32
3
2 8 GCK
SETUP 2
1
4 29
+4.8V
IC3
2 9 BLK
6
2
42
RESET SETUP Y
Q20
VRB
41 DL BLKG
CRG
IC13 40
VRR
15 D/A BLK OUT Y-SAMPLE
Q0
DI
1 WD/NR SN
Q1
CHAR VF
2 LEV1 A
Q2
CHAR ON
3 LEV2 B
S P Q3
4 TRIAX/VTR INH SAMPLE 2
Q4
CONV.
5 SETUP1 ON/OFF
INH
LD Q5
6 SETUP2 ON/OFF SETUP Y
Q6
7 SKIN GATE ON/OFF
Q7
IC14
17 18 Y LEVEL
DI A01
19
R-Y LEVEL
A02
16
2 B-Y LEVEL
A03
3 SETUP 1
A04
15 4 SETUP 2 SETUP 2
A05
LD
5 Y SPL
Y-SAMPLE
A06
6
R-Y SYNC R-Y SYNC
A07
D/A
7 B-Y SPL B-Y SAMPLE
A08
CONV.
8 CH ARC ON/OFF CHAR ON
A09
DL BLKG
2 18
19
CHAR VF
DL SYNC
15 5 SW1
19
SAMPLE 2
SW
17
3
19
A
INH
B
SW
8 12
19
Q105
Q4
BUFF
DA-88 DA-88
Y(18)
Q48, 49 Q50-53
NEG:1.0Vp-p
BUFF AMP
IC23,Q54
FBC
R-Y(18)
Q67, 117 Q68-71 IC28, Q110,-112
NEG:0.76Vp-p
BUFF AMP
ATT
IC27,Q72
FBC
B-Y(18)
Q85, 86 Q87-90 IC28, Q113-115
BUFF AMP
ATT
NEG:0.76Vp-p
IC27,Q91
+5V
IC24
FBC
6
1
7
5
2
7
1
102
2 4 6
101 3
5
102
IC26
R-Y SYNC LEVEL 2
15
1
1
4 R-Y" SYNC ON/OFF
10
6 14 2 105
19
IC26
5
B-Y SPL LEVEL
4
3
9
Q83, 84 IC29
SETUP2 LEVEL 6
BUFF 1
7
1 10
4 SETUP 2 ON/OFF
4
16 2 106
19
IC26
12
Y SPL LEVEL
14
13
1
4 1 Y SPL" ON/OFF
2 104 4 1
2 109 4 11
2 103
13 7
19 B-Y SPL" ON/OFF
V SPL
IC16, 18, Q25, 26
SETUP 1 LEVEL
LEVEL
CTL
1
4
2 100
SETUP 1 ON/ OFF
Q19, 23
INV.
AMP
Q9,12 FL2 IC15
7 Q13 Q14-17 IC25, Q107-109
LPF
1
BUFF AMP
6 ATT
Q10, 11 FL3
IC16, Q18
LPF
5
FBC
WD / NR
IC17
6
1
-5V
7
5
1
7
2
1
7
2
Q27, 30, FL4
IC20
7 Q102 Q103, 104 Q32
LPF
1
AMP
BUFF BUFF
6
Q28, 29, FL5
LPF
5
WD / NR
Q45-47, 106
VARIABLE
LPF
Q4, FL1 Q100, 101 Q7 Q8
LPF AMP BUFF BUFF
7-7 7-7
R-Y
Q73 Q75, 79
INV.
BUFF
AMP
B-Y
Q92
Q94, 98
INV.
BUFF
AMP
+4.8V
Q1, IC2
+5V
REG
IC1
2
6
REG
CONT
IC2
10
8
AMP
IC27
5
7
LEVEL
CTL
Q3, IC2
-2.5V
REG
IC27
10 -2.5V
8
LEVEL
CTL
Q2, IC2
-5V
REG
IC27 -4.8V
3
1
LEVEL
CTL
+3.1V
IC27
12 14
LEVEL +7.3V
CTL
SKIN GATE OUT
(1.0Vp-p, 0Vdc)
YsH
Q22 Q59, 63
INV.
BUFF
AMP
(1.0Vp-p, 0Vdc)
VBS
Q33 Q43, 44
INV.
BUFF
AMP
Q34
BUFF
DA-88 BLOCK
BVP-550
Y (X) OUT 1-71 IF, 1-72
R-Y (X) OUT 1-69 IF, 1-70
B-Y (X) OUT 1-67 IF, 1-68
TP4
R-Y (X) OUT 1-61 MB, 11-24
TP5
B-Y (X) OUT 1-59 MB, 11-25
+5.1V 1-91
+5.1V 1-92
AT, 1-89
2.5V REF OUT 1-89 SG, 1-89
IF, 1-89
-2.8V 1-85
-2.8V 1-86
-5.1V 1-87
-5.1V 1-88
+3.1V 1-83
+3.1V 1-84
+7.3V 1-93
+7.3V 1-94
SKIN GATE 1-5 IF, 1-15
TP3
Y (X) OUT 1-63 MB, 11-23
VBS (X) OUT 1-65 IF, 1-66
TP2
C (X) OUT 1-55 MB, 11-27
VTR SYNC OUT 1-7 MB, 12-14
VF- (X) OUT 1-80 IF, 1-80
BVP550-DA88BLOCK#1/M