Yamaha DSP-AX1700, Service Manual

Page: 106 / 162

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V1700/DSP-AX1700
106
★
All voltages are measured with a 10M
Ω
/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.
FUNCTION 1/4
5.5
0
11.9
5.6
0
5.1
~ 0
0
2.3
5.1
4.2
5.0
0.1 0.1
4.9
11.2
5.1
5.6
4.9
4.9
4.9
4.9
4.9
4.9
4.9
0
0
0
0
0
0
5.1
0
3.3
0
0
5.0
5.0
5.0
5.1
5.1
-11.2
-11.2
5.1
-11.2
5.1
-11.2
5.1
-11.2
5.1
-11.2
5.1
-11.2
0
0
0 0
0 0
5.1
0 0
0
3.1
0
4.9
0.1
0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
5.1
0
0
0
5.1
0
5.1
0
5.0
4.9
0
0.1
0.1
4.9
0.1
~
4.9
5.0
0
5.1
5.1
4.9
5.1
0.1
0.1
4.9
5.0
5.0
0.1
0.1
0.1
0
0
5.1
5.1
0
0
0
4.9
0
0
4.5
4.9
5.1
5.1
1.1
1.1
0.4
0
0.2
0.4 0.4
1.4
5.1
5.1
4.5
4.2
8.3 5.8 5.8
4.9
5.1
5.1
5.1
0
3.7
5.1
0
0
5.0
5.1
1.4
1.7
0.1
0
5.1
4.9
4.9
4.9
4.8 5.0
0.1
4.9 5.1 0 0 0 0 0 0
4.9 4.9
0 0 0
4.9 4.9 2.5
0
2.3 5.1
5.0 4.9
5.4 5.1 5.1 4.8
4.8
0
5.0 0.1
5.0 4.8
0.2
5.0
5.0 4.9 5.0 5.1
0
4.9 4.9 0 0 0 0 0 4.0
0 0
5.1 5.1 0.1 0.1
0
4.9 4.9 4.9 4.9
0 0
4.8 4.9 4.9 4.9
0 0 4.9 0
5.1 0 0 5.1 5.1 4.9 5.1
4.8 5.1
0.1 0.1 4.9
5.1 4.9
0
0
0 2.3
2.3
2.3
2.0
B-3
0
0
4.5
0 0.1
0
1.8
0
5.0
11.9
5.6
0.2
B-2
C-1
1
C-2
2
100/16
4.7K
47K
no-use
no-use
FUNCTION (1)
MICROPROCESSOR
(MAIN)
To FUNCTION 2/4
IC401 : LC72722PM
RDS signal processor
Single chip 16/32-bit microprocessor
REFERENCE
VOLTAGE
57 kHz
bpf
(SCF)
CCB
TEST
PLL
(57 kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC / EC
CONTROLLER
SYNC
DETECT-1
DATA
DECODER
CLOCK
RECOVERY
(1187.5 Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK (4.332 MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5 T6 T7
X IN
VREF FL OUT C IN
X OUT
3 14
15
19
18
24
1 5 6
4
2
20
21
22
23
7
8
9
10
11 16 17 13 12
2
1
3
Vref
VOUT
GND
VIN
–
+
IC407 : RH5RE58AA-T1-FA
Voltage regulator
Y 4
B 2
GND 3
IC405 : SN74AHC1G08DCKR
2-input positive-AND gate
Vcc 5 A 1
Y 4
B 2
GND 3
IC404, 406 : SN74AHCT1G32DCKR
Single 2-input positive-OR gate
Vcc 5 A 1
IC402 : M30845FJGP
Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
Po
rt P7
Port P14 Port P15 Port P11 Port P12
Po
rt P1
0
Po
rt P9
Po
rt P8
P8
5
Port P13
R0H R0L
R1H R1L
R2
R3
A0
A1
FB
SB
NOTES:
1. Ports P11 to P15 are provided in the 144-pin package only.
2. Included in the 144-pin package only.
3. The supply voltage of M32C/84T (High-reliability version) must be VCC1=VCC2.
FLG
INTB
ISP
USP
PC
SVF
SVP
VCT
Multiplier
M32C/80 series CPU Core
Clock Generation Circuit
XIN - XOUT
XCIN - XCOUT
On-chip Oscillator
PLL Frequency Synthesizer
A/D Converter:
1 circuit
Standard: 10 inputs
Maximum: 34 inputs (2)
UART/Clock Synchronous Serial I/O:
5 channels
CRC Calculation Circuit (CCITT):
X16+X12+X5+1
X/Y Converter:
16 bits x 16 bits
D/A Converter:
8 bits x 2 channels
Peripheral Functions
<
V CC2
(3) > <
V CC1
(3) >
<
V
CC
1
(3
)
>
ROM
RAM
Memory
<
V CC1
(3) > <
V
CC2
(3)
>
7 8 5 8 8
(Note 1)
8
8
7
8 8 8 8 8 8 8
8
DMACII
DMAC
Watchdog Timer (15 bits)
CAN Module: 1 channel
Intelligent I/O
Time Measurement: 8 channels
Waveform Generating: 8 channels
Communication Functions:
Clock Synchronous Serial I/O, UART,
HDLC Data Processing
Timer (16 bits)
Timer A: 5 channels
Timer B: 6 channels
Three-Phase Motor Control Circuit
IC403 : LC709004A-TLM-E
I/O-expander for microcontroller
Control logic
port 0 I/O buffer
Serial/parallel converter/shift register
I/O control/output register
DIN
VDD
DOUT
VSS
CLK#
CS#
RES#
P00 P07
2 14
15
19
3
4
21
24 17
port 1 I/O buffer
P10 P17
15 8
POINT B-2 Pin 20 of IC402 POINT B-3 Pin 12 of IC401 POINT C-1 1 / Pin7, 2 / Pin8 of CB405
1 +5M
AC cable ON AC cable OFF
/RES 2
1
2
AC cable ON
to FL (6)_W9501
Page 117 K3
to POWER (4)_W1
Page 112 H7
to POWER (3)_W9
Page 112 D2
to POWER (3)_CB18
Page 112 G7
to A-VIDEO_CB203
Page 114 I2
to DSP_CB504
Page 103 E2
to FL (5)_CB960
T
o
TUNER
P
age 118
K5
to FL (5)_CB972
P
age 118
J5
to FL (3)_CB955
P
age 118
J6
to FL (3)_CB952
P
age 118
J6
to FL (2)_CB969
P
age 118
F6
to FL (2)_CB962
P
age 118
E6
to FL (2)_CB958
P
age 118
C6