Video Fifo Memory) Schematic Diagram - Sony DSR-50P Service Manual

DI-73 (VIDEO FIFO MEMORY) SCHEMATIC DIAGRAM • See page 4-47 for DI-73 printed wiring board.
1 2 3 4
DI-73 BOARD (2/9)
A
VIDEO FIFO MEMORY
-REF.NO.:10,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
J-3V
4-1
4-2
4-3
4-4
C
IC9005
D
4
IC9005
DI-73 BOARD (1/9)
SN74HC377ANSR
0
CR00 1.2
CR0
1.2
CR1
1.3
CR01 1.3
CR02 1.2
E
CR2 1.2
CR3 1.2
1.2
CR03
4-5
F
4-6
R9016
0
GND
4-7
4-8
G
IC9004
H
IC9004
TC74VHC574FT(EL)
Y00 1.1
Y01 1.1
Y02 0.9
Y03 0.8
I
Y04 1.5
Y05 1.3
Y06 1.1
Y07 0.8
J
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y
REC
K
PB
05
L
5 6 7
IC9009
IC9009
SN74HC377ANSR
2.8 1.4 2.8
CR7
1.8 CR07 CR0 1.2 1.8
1.8 CR7 JC0 1.2 1.8 JC7
1.1 CR6 JC1 1.2 1.1 JC6
CR6
1.1 CR06 CR1 1.3 1.1
CR5
1.1 CR05 CR2 1.2 1.1
1.1 CR5 JC2 1.1 1.1
JC5
1.1 CR4 JC3 1.1 1.1 JC4
1.1 CR3 1.2 1.1 CR4
CR04
1.5 1.5
C9016
0.01u
C9021
0.01u
IC9008
IC9008
SN74HC377ANSR
1.4 2.8
CB00
1.2 1.8 CB07
JC0 1.2 1.8 JC7
JC1 1.2 1.1 JC6
CB01
1.2 1.1 CB06
CB02
1 1.1 CB05
JC2
1.1 1.1 JC5
JC3
1.1 1.1 JC4
CB03
1 1.1 CB04
1.5
2.8
C9019
1.1 DY0 0.01u
1.1 DY1
0.9 DY2
0.8 DY3
1.5 DY4
1.3 DY5
1.1 DY6
0.8 DY7
1.5
4-53
8 9 10 11
IC9011
R9034
IC9011
47k
M66280FP-280D
JC0 1.2
JC1 1.2
JC2 1.1
JC3 1.1
R9046
0.3
47k
2.6
1.5
JC4 1.1
JC5 1.1
JC6 1.1
JC7 1.8
R9040 R9044 R9047
47k 47k 47k
R0/P2.8
2.6
2.6
2.6
1.1
1.5
1.3
IC9013
IC9013
M66280FP-280D
Y00
1.1
Y01
1.1
Y02 0.9
Y03 0.8
0.3
R9037 R9045
R9041 R9048
47k 47k
47k 47k 2.6
1.5
Y04 1.5
Y05 1.3
C9023
Y06 R9042 47k 1.1
0.01u
Y07 R9038 47k 0.8
R9035
R9049
47k
47k
EE_WHDY 5
EE_WHDC
DI-73 BOARD (4/9)
RCK_2
6
RHD_Y
DI-73 BOARD (3/9)
RHD_C
12 13 14 15
1.2 JC00
1.2 JC01
1.1 JC02
1.1 JC03
2.6
2.8
1.3
JC04
1.1
JC05
1.1
JC06
1.1
JC07
1.8
IC9015
C9027
Note:This signal follows the same
0.01u
circuit as PB signal after
this point.
IC9015
TC74VHC541FT(EL)
MY07 0.8
C9026
MY06 1
0.01u
2.8
MY05 1.2
MY04 1.4
MY03 0.8
MY02 0.8
MY01 1.1
2.6
MY00 1
2.6
2.6
2.8
IC9012
IC9012
TC74VHC157FT(EL)
C9028
0.01u
IC9016
IC9016
TC74VHC541FT(EL)
MY07 0.8
1 MY00 MY06 1
MY05
1.1 MY01 1.2
0.8 MY04 1.4
MY02
0.8 MY03 MY03 0.8
MY02 0.8
2.6 MY01 1.1
2.8 MY00 1
1.3
1.4 MY04 2.8
1.2 MY05
1 MY06
0.8 MY07
IC9014
IC9014
TC7WH04FU(TE12R)
R0/
C9025 P2.8
0.01u
R9050
0
4-54
DSR-50/50P
16 17 18
MHO
SPCK2
JC00
JC00
JC01
JC01
JC02
JC02
JC03
JC03
JC04
JC04
JC05
JC05
JC06
JC06
JC07
JC07
R0.9/P3.2
Y7
R1.2/P3.2
Y6 7
R1.4/P3.2
Y5 DI-73 BOARD (9/9)
R1.3/P3.2
Y4
E-E
R0.9/P3.2
Y3
R0.9/P3.2
Y2
R1.3/P3.2
Y1
R1/P3.2
Y0
R0/P2.8
0.8
MY07
1.1
MY06
1.3
MY05
1.6
MY04
0.8
MY03
0.8
MY02
1.1
MY01
1
MY00
R2.8/P0
C9029
0.01u
PB/XREC
DA135
2.8
R2.8/P0
R9051
0
VIDEO FIFO MEMORY
DI-73 (2/9)