A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
53
RX-V100D
SCHEMATIC DIAGRAM (DSP 1/2)
★
All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
IC1
: SN74LVU04APWR
Hex Inverters
1A
1Y
2Y
VCC
6A
1
2
3
4
11
2A
6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7
4Y
8
9
10
GND
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
1B
2
1Y
3
2A
4
2B
5
2Y
6
GND
7
IC3
: SN74AHCT00PWR
Quad 2-Input Nand Gate
Vcc
14
1A
1
IC6
: W9816G6CH-7
512K x 2 Banks x 16 Bits SDRAM
CLOCK
BUFFER
ADDRESS
BUFFER
CLK 35
18
CKE 34
A10 20
CS
17
RAS
16
CAS
15
WE
21
A0
24
A3
27
A4
32
A9
19
BA
2
DQ0
3
DQ1
5
DQ2
6
DQ3
8
DQ4
9
DQ5
11 DQ6
12 DQ7
39 DQ8
40 DQ9
42 DQ10
43 DQ11
45 DQ12
46 DQ13
48 DQ14
49 DQ15
14 LDQM
36 UDQM
COMMAND
DECODER
REFRESH
COUNTER
REFRESH
COUNTER
DQ
BUFFER
COLUMN
COUNTER
MODE
REGISTER
CONTROL
SIGNAL
GENERATOR
CELL ARRAY
BANK #0
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
1
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
OE
B1
B2
B3
B4
B5
B6
B7
B8
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC10
: SN74LV245APWR
Octal Bus Transceiver with 3-state Outputs
IC11:
µ
PC29M33T-E1-AZ
Voltage Regulator
3
OUTPUT
1
INPUT
2
GND
Safety Drive
Limiter
Excessive Electric
Current Protection
Sudden Current
Protection
Starter Circuit
Driver
Standard Voltage
Overheat Protection
Amp.
Y
4
B
2
GND
3
IC12
: SN74AHC1G08DCKR
2-Input And Gate
Vcc
5
A
1
1
DC input
(Vin)
GND
DC output
(Vo)
3
5
IC13
: PQ012FZ01ZPH
Voltage Regulator
2
Bias power supply
(VB)
ON/OFF control
(Vc)
4
Specific IC
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
1B
2
1Y
3
2A
4
2B
5
2Y
6
GND
7
IC22
: SN74AHCT08PWR
Quad 2-Input And Gate
Vcc
14
1A
1
Input
Selector
RXOUT
RX0
RX1
RX2
RX3
RX4
RX5/VI
RX6/UI
LPF
TMCK/PIO0
TBCK/PIO1
TLRCK/PIO2
TDATA/PIO3
TXO/PIOEN
Cbit, Ubit
Microcontroller
I/F
Data
Selector
Clock
Selector
Modulation
&
Parallel Port
PLL
XIN
XOUT XMCK CKST
SLRCK
SBCK
RLRCK
RBCK
RMCK
SDIN
RDATA
RERR
DO
XMODE
CI
CE
CL
INT
AUDIO/VO
EMPHA/UO
1/N
Demodulation
&
Lock detect
1
2
3
4
5
8
9
10
13
44
45
46
47
48
29
28
27
34
23
22
20
17
16
24
21
36
37
41
38
39
48
35
33
32
IC2
: LC89057W-VF4D-E
Digital Audio Interface Transceiver
Y
4
B
2
GND
3
IC26
:
SN74AHCT1G32DCKR
2-Input or Gate
Vcc
5
A
1
IC8
: MX23L8103TC-70G
8M-bit MASK ROM
Address
Buffer
Memory
Array
Page
Buffer
Word/
Byte
Output
Buffer
D0
D15/(D7)
A0
A18
CE
BYTE
OE
A-3
Point:
A-3 Pin 28 of IC2
DIGITAL IN
DIGITAL IN
ANALOG IN
ANALOG IN
DIGITAL IN
3.4
0.1
0.1
3.4
1.7
1.7
0
3.4
1.7
0.1
0
0
0
0
3.4
0.1
4.4
4.3
4.0
4.0
3.4
3.4
3.4
3.4
1.6
1.7
1.6
3.4
3.4
0
0
3.4
4.8
3.4
0.4
0.5
3.0
0
3.4
3.4
0
0
0
0.1
0.1
2.0
3.2
3.4
0
2.9
1.3
0
1.3
0
3.4
3.4
0.1
4.9
0
0
3.4
4.9
0.1
3.4
4.9
4.9
0
4.0
0
4.9
4.3
0
4.9
4.0
0
4.9
2.3
1.8
4.9
4.4
0.1
4.9
4.9
0
4.9
0
0.1
3.0
0.1
5.0
0
5.0
0
5.0
3.4
5.0
3.4
0
0.1
5.0
3.4
0
3.4
3.1
0.1
3.4
3.4
0.5
0.4
0
3.4
0
4.4
4.8
4.8
4.5
4.5
0.7
0.7
0
3.1
3.5
0
3.2
0
3.2
3.2
3.5
3.4
3.2
3.2
3.2
3.5
3.2
3.4
3.4
3.4
3.4
0.8
0.2
0.4
0.4
0.4
3.4
3.5
0
3.2
3.1
0
3.2
3.2
3.5
3.2
3.2
3.2
3.2
3.5
3.2
1.8
3.5
0.2
0.2
1.7
2.1
2.5
2.7
0
0
0.2
0.2
0.2
0.2
0.8
0.2
0.2
0.2
3.4
3.4
0.2
0.2
1.7
2.1
2.5
2.7
3.4
0.4
0.4
0.2
3.5
0
3.2
3.2
3.1
3.2
3.2
3.2
3.2
3.5
3.2
3.2
3.2
3.2
3.2
3.2
3.2
3.1
0
3.4
0.4
3.2
0.1
1.3
0
3.4
3.4
3.4
0
1.3
0.1
1.3
0
0.1
0.1
1.7
1.3
0
1.7
3.4
0
1.3
0
3.1
3.0
3.4
0
1.3
0.5
0
1.3
3.4
3.4
1.3
3.4
0
1.3
3.4
0
0
1.3
1.3
0
3.4
1.7
0.2
1.7
1.3
0.1
1.3
1.3
0
~
1.3
1.3
0.1
0.1
0
3.4
1.7
1.7
3.4
3.4
0
1.3
3.1
3.2
3.2
3.2
3.2
3.2
3.4
0
1.3
3.2
3.2
3.2
3.2
3.2
3.2
3.2
1.3
0
3.4
3.1
3.2
3.2
3.4
3.2
3.4
0
1.3
1.3
0
3.4
3.4
3.4
0
1.3
0.4
0.3
0.4
3.4
0
1.3
3.4
2.7
2.5
2.1
3.4
0
1.7
3.4
0.2
1.8
3.4
1.3
0
3.4
3.4
0
0.2
3.4
0
1.3
0.2
0.8
0.2
0.2
0.2
0.2
1.3
0
3.4
0.2
0.2
0.2
3.4
3.4
1.3
1.3
0
3.4
3.4
1.7
0
3.1
1.3
0
0
1.3
1.3
0
3.4
3.4
3.4
1.3
0
3.4
3.4
3.4
3.4
3.4
0
0
1.3
3.4
3.4
0.1
3.4
1.3
0
1.3
0.1
3.4
0
3.4
0
3.4
0
1.3
0
0
3.4
to SUBTR (2)_CB457
Page 59
I8
to DAB_CB4
Page 60
B5
MAIN
DECODER
16M SRAM
8M ROM
DIR
BUFFER
BUFFER
DSP
MX23L8103TC-70G
No replacement part available.