A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
RX-V1700/DSP-AX1700
103
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ 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.
SCHEMATIC DIAGRAMS
DSP 1/3
4.9
4.9 4.9
5.0
4.9 3.2
0
3.2
0
00
0
0
0
4.9
0
0
0
0
0
04.8
4.0 0.1
0
0
4.9 0
3.8 1.2
0
3.2
0
1.2
0
3.2
0
0
0
04.8
4.0 0.1
00
4.9 0
3.8
0
0
0
0.2
0
4.6
4.9
0
2.3
2.3
2.3 2.8
2.8
0
0
-0.2 -0.2
3.1
0
3.2
0.1
3.2
00
00
-0.1 0
0.4 0
00.4
00
0
0
03.2
3.2
0
0
0.5
0
1.6
1.6
1.6
0
0
0
03.2
3.2 0
1.6 0
00
0
1.6 0
00
0
00
0.5 0
00
1.6
1.6
0
3.2
1.5
0
1.3
1.2
2.0
1.6
1.6
0
0
0
0.6
0
0
3.2
3.3
3.1
3.3
0
3.2
3.2
3.2
2.3
0.3
3.3
0
1.6
1.6
0
3.3
1.6
1.6
1.2
0
0.6
0.6
0
3.3
3.8
3.8
0
3.3
0
0
3.2
3.2
3.2
3.2
0
3.3
3.2
1.6
3.3
0
0.6
0
0
3.2
1.2
0
3.2
3.2
0
1.6
3.3
1.6
0
2.0
0
0
3.3
0
1.2
3.2
3.2
0
0
0
0
0
3.2
3.2
3.2
1.5
3.3 0
1.2
03.2
0
00
3.3 3.2
00
2.8 0.6
2.8
0.6
0
4.6
4.6
4.6
4.0
D-3
D-2
DIGITAL IN
DIGITAL IN
ANALOG IN
ANALOG IN
3
14
1
2
6
8
9
13
11
12
10
4
5
7
DSP
DIR
INPUT
SELECT
REC OUT
SELECT
DUTY CORRECTOR
XMDT
U, C models
DOCK
XM
To DSP 2/3
IC501: 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
4Y8
9
10
GND
4B13
4A12
4Y11
3B10
3A9
3Y8
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC502: SN74AHCT00PWR
Quadruple 2-input NAND gate
Vcc141A 1
2
3
5
6
11
10
14
13
15
1
G
A/B
4B
4A
3B
3A
2B
2A
1B
1A
4
7
9
12
1Y
2Y
3Y
4Y
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
V
CC
G
4A
4B
4Y
3A
3B
3Y
IC503, 509: SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
S
2
S
1
S
0
E
I
0
I
1
I
2
I
3
I
4
I
5
I
6
I
7
Z
Z
1412
6
7
34
5
9
11
12
10
1315
V
CC
= PIN 16
GND = PIN 8
= PIN NUMBERS
IC504, 505: SN74LS151NSR
8-input multiplexer
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
XMODECICECLINTAUDIO/VOEMPHA/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
41383948353332
IC506: LC89057W-VF4A-E
Digital audio interface transceiver
IC507, 508: TC74VHC153FT
Dual 4-channel multiplexer
14
A
S0
S0
6
1C0
2
B
S1
S1
S2
S2
S3
S3
S0
7
1Y
5
1C1
S1
4
1C2
S2
1
1G
3
1C3
S3
10
2C0
S0
9
2Y
11
2C1
S1
12
2C2
S2
15
2G
13
2C3
S3
POINT D-2 Pin 26 of IC510 POINT D-3 Pin 29 of IC506
to FUNCTION (1)_CB411
Page 106
H8
to OPERATION (3)_CB805
Page 110 E2
to FL (2)_CB954
Page 118 A7
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