Sony HSR-1 Service Manual page 27

UPD4516821AG5-A10B-9NF (NEC)
C-MOS 16 M (1 M WORD x 8-BIT x 2) -BIT DRAM
—TOP VIEW—
18
A0
1 V GND 44
DD 19
A1
20
A2
D0 2 43 D7
21
A3
24
A4
3 GND GND 42
25
A5
26
A6
D1 4 41 D6
27
A7
28
A8
5 V V 40
DD DD
29
A9
17
A10
D2 6 39 D5
16
A11
32
7 GND GND 38
CLK
31
CKE
D3 8 37 D4
12
WE
14
RAS
9 V V 36
DD DD 13
CAS
33
DOM
10 NC NC 35
13
CS
11 NC NC 34
INPUT
WE
12 33 DOM
A0 - A11
CAS
CAS
13 32 CLK
CKE
CLK
RAS
14 31 CKE CS
DOM
CS
15 NC 30
RAS
WE
A11 16 29 A9
I/O
A10 17 28 A8
D0 - D7
A0 18 27 A7
19 26 A6
A1
A2 20 25 A5
A3 21 24 A4
22 V GND 23
DD
UPD4564163G5-A10BL-9JF (NEC)
C-MOS 64 M (1 M WORD x 16-BIT x 4)-BIT DRAM
—TOP VIEW—
INPUT
1 V GND 54
DD A0 - A13
CAS
DQ0 2 53 DQ15
CKE
3 QV QGND 52
DD
CLK
DQ1 4 51 DQ14 CS
LDQM
DQ2 5 50 DQ13
RAS
6 QGND QV 49
DD
UDQM
DQ3 7 48 DQ12
WE
DQ4 8 47 DQ11
INPUT/OUTPUT
9 QV QGND 46
DD
DQ0 - DQ15
DQ10
DQ5 10 45
DQ6 11 44 DQ9
12 QGND QV 43
DD
DQ7 13 42 DQ8
14 V GND 41
DD
LDQM 15 NC 40
WE
16 39 UDQM
CAS
17 38 CLK
RAS
18 37 CKE
CS
19 NC 36
A13 20 35 A11
A12 21 34 A9
A10 22 33 A8
23 32 A7
A0
A1 24 31 A6
A2 25 30 A5
A3 26 29 A4
28
27 V GND
DD
HSR-1/1P
HSR-2/2P
2
D0
4
D1
6
D2
8
D3
37
D4
39
D5
41
D6
43
D7
: ADDRESS
: COLUMN ADDRESS STROBE
: CLOCK ENABLE
: SYSTEM CLOCK
: CHIP SELECT
: DATA I/O MASK ENABLE
: ROW ADDRESS STROBE
: WRITE ENABLE
: DATA
: ADDRESS
: COLUMN ADDRESS STROBE
: CLOCK ENABLE
: CLOCK
: CHIP SELECT
: LOWER DQ MASK ENABLE
: ROW ADDRESS STROBE
: UPPER DQ MASK ENABLE
: WRITE ENABLE
: DATA
ZA4024 (TI)
SIGNAL PROCESSOR FOR DIGITAL VCR
—TOP VIEW—
V V
CC CC
GND
GND
NC
80 NC
NC
NC
NC
NC
85 NC
NC
NC
NC
NC
90 NC
NC
NC
NC
NC
95 NC
NC
NC
V
CC
GND
GND
100
V
CC
PIN PIN PIN
I/O SIGNAL I/O SIGNAL I/O
No. No. No.
1 — V 21 — GND 41 —
CC
2 O DO0 22 — GND 42 —
3 O DO1 23 — GND 43 —
4 O DO2 24 I RFSEL 44 —
5 O DO3 25 — GND 45 —
6 O DO4 26 — GND 46 —
7 O DO5 27 — V 47 —
CC
8 O DO6 28 — V 48 —
CC
9 O DO7 29 — NC 49 —
10 — GND 30 — NC 50 —
OE
11 I 31 — NC 51 —
12 I CKR 32 — NC 52 I
RS
13 I 33 — NC 53 —
RFSH
14 I 34 — NC 54 —
15 — V 35 — NC 55 —
CC
16 I RA0 36 — NC 56 —
17 I RA1 37 — NC 57 I
18 I RA2 38 — NC 58 I
19 I RA3 39 — NC 59 I
20 — GND 40 — NC 60 I
DIN0 - DIN7 : DATA INPUTS
DO0 - DO7 : DATA OUTPUTS
CKR : READ CLOCK INPUT
CKW : WRITE CLOCK INPUT
CLR
: RESET INPUT
OE
: OUTPUT ENABLE INPUT
RA0 - RA3 : READ ADDRESS INPUT
RFSEL : READ FIELD SELECT INPUT
RFSH
: REFRESH CONTROL INPUT
RS
: READ ADDRESS STOROBE INPUT
WA0 - WA3 : WRITE ADDRESS INPUTS
WE
: WRITE ENABLE INPUT
WFSEL : WRITE FIELD SELECT INPUT
WS
: WRITE ADDRESS STOROBE INPUT
DRAM
74 - 67 MEMORY
DIN0 - 7
ARRAY
4M-BIT
64
CKW
MEMORY ARRAY
60 - 57 CONTROLLER
WA0 - 3
WRITE
ADDRESS
65
WE CONTROLLER
MEMORY
WRITE/READ
63
WS
ARBITRATION
CIRCUIT
62 14
CLR RFSH
50
GND
V
CC
NC
NC
NC 45
NC
NC
NC
NC
NC 40
NC
NC
NC
NC
NC 35
NC
NC
NC
NC
V NC 30
CC
V NC
CC
GND
PIN PIN
SIGNAL I/O SIGNAL I/O SIGNAL
No. No.
NC 61 — V 81 — NC
CC
CLR
NC 62 I 82 — NC
WS
NC 63 I 83 — NC
NC 64 I CKW 84 — NC
WE
NC 65 I 85 — NC
NC 66 — GND 86 — NC
NC 67 I DIN7 87 — NC
V 68 I DIN6 88 — NC
CC
V 69 I DIN5 89 — NC
CC
GND 70 I DIN4 90 — NC
GND 71 I DIN3 91 — NC
WFSEL 72 I DIN2 92 — NC
GND 73 I DIN1 93 — NC
GND 74 I DIN0 94 — NC
GND 75 — V 95 — NC
CC
GND 76 — V 96 — NC
CC
WA3 77 — GND 97 — NC
WA2 78 — GND 98 — GND
WA1 79 — NC 99 — V
CC
WA0 80 — NC 100 — GND
2 - 9
DO0 - 7
11
OE
12
CKR
READ
16 - 19
ADDRESS RA0 - 3
CONTROLLER
13
RS
7-21
IC