JVC RX-6010VBK Service Manual page 13

Audio/video control receiver
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AS7C31025-15 (IC641) : CMOS SRAM
Block diagram
Vcc
GND
Input buffer
A0
A1
A2
512x256x8
A3
Array
A4
(1,048,576)
A5
A6
A7
A8
Column decoder
PQ3DZ53 (IC681) : Regulator IC
DC INPUT(Vin)
1
RN5RZ33BA (IC683) : Voltage Regurator
2
VDD
5
CE
I/O7
I/O0
WE
Control
OE
circuit
CE
3
CUSTOM IC
2
5
GND
-
+
Vref
Current Limit
Pin layout
32-pin TSOP II
1
A0
2
A1
A2
3
A3
4
CE
5
I/O0
6
7
I/O1
8
Vcc
9
GND
I/O2
10
I/O3
11
WE
12
A4
13
14
A5
15
A6
A7
16
DC OUTPUT(Vo)
ON/OFF CONTROL(Vc)
3
VOUT
GND
1
RX-6010VBK/6018VBK
A16
32
31
A15
30
A14
29
A13
28
OE
I/O7
27
I/O6
26
25
GND
24
Vcc
23
I/O5
22
I/O4
S12
21
A11
20
A10
19
18
A9
17
A8
1-13

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