JVC RX-DV3SL, Руководство по обслуживанию

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RX-DV3SL
1-26
NC
A16 A14 A12
A7 A6 A5 A4 A3 A2 A1 A0
I/O1 I/O2 I/O3
Vss
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
V
DD
A15 CS2 WE A13 A8 A9 A11 OE A10 CS1 I/O8 I/O7 I/O6 I/O5 I/O4
1. Pin layout
W24L010AJ-12 (IC641) : SRAM
DECODER
CORE
ARRAY
CONTROL
DATA I/O
V
DD
Vss
CS2
CS1
OE
WE
A0
A16
I/O1
I/O8
2. Block diaglam
3. Pin function
Symbol
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
Vss
Function
No Connection
Address Input
Address Input
Address Input
Address Input
Address Input
Address Input
Address Input
Address Input
Address Input
Address Input
Address Input
Data Input/Output
Data Input/Output
Data Input/Output
Ground Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Symbol
I/O4
I/O5
I/O6
I/O7
I/O8
CS1
A10
OE
A11
A9
A8
A13
WE
CS2
A15
VDD
Function
Data Input/Output
Data Input/Output
Data Input/Output
Data Input/Output
Data Input/Output
Chip Select Inputs
Address Input
Output Enable Input
Address Input
Address Input
Address Input
Address Input
Write Enable Input
Chip Select Inputs
Address Input
Power Supply
CTL 1
L
H
L/H
CTL 2
L
L
H
Output
VIN 1
VIN 2
VIN 3
Control input - output signal
GND
8
Vout
7
V+
6
Vin3
5
1
Vin1
2
CTL1
3
Vin2
4
CTL2
6dB
AMP.
BIAS
NJM2246M (IC402, 403, 404) : Video switch
1. Pin layout / Block diaglam