Yamaha DSP-AX1800, Service Manual

Page: 122 / 181

IC402
IC401
CB401
CB402
CB416
CB403
CB404
IC403
CB405 CB406 CB407
CB409
CB410
CB411
IC407
IC406
IC405
CB414
CB413
CB412
JK401
JK402
IC404
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-V1800/HTR-6190/DSP-AX1800
122
★
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
HTR-6190 RX-V1800 DSP-AX1800
FUNCTION (1)
to FUNCTION 2/4
(B, G, E models)
MICROPROCESSOR
(MAIN)
Y 4
B 2
GND 3
IC404, 406 : SN74AHCT1G32DCKR
Single 2-input positive-OR gate
Vcc 5 A 1
IC401 : LC72722PM
RDS signal processor
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
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
IC402 : M3087BFKBGP
Microprocessor
Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
Port P7
Port P14 Port P15 Port P11 Port P12
Port P10
Port P9
Port 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 microprocessor 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-channel
CRC Calculation Circuit (CCITT):
X16+X12+X5+1
X/Y Converter:
16-bit x 16-bit
D/A Converter:
8-bit x 2-channel
Peripheral Functions
<
V
CC2
(3)
> <
V CC1 (3)
>
<
V
CC1
(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-bit)
CAN Module: 1-channel
Intelligent I/O
Time Measurement: 8-channel
Waveform Generating: 8-channel
Communication Functions:
Clock Synchronous Serial I/O, UART,
HDLC Data Processing
Timer (16-bit)
Timer A: 5-channel
Timer B: 6-channel
Three-Phase Motor Control Circuit
2
1
3
VOUT
GND
VIN
–
+
IC407 : RH5RE58AA-T1-FA
Voltage regulator
Vref
Y 4
B 2
GND 3
IC405 : SN74AHC1G08DCKR
2-input positive-AND gate
Vcc 5 A 1
POINT B-2 Pin 20 of IC402 POINT B-3 Pin 12 of IC401 POINT C-1 1 / Pin7, 2 / Pin8 of CB406
1 +5M
AC cable ON AC cable OFF
/RES 2
1
2
AC cable ON
to FL (2)_CB962
P
age 137
F7
to FL (2)_CB969
P
age 137
G7
to FL (2)_CB958
P
age 137
D7
to FL (5)_CB960
To TUNER
Page 137 M6
to FL (5)_CB972
Page 137 L6
to FL (3)_CB955
Page 137 M8
to FL (3)_CB952
Page 137 L8
to FL (6)_W9501
Page 136 M3
to POWER (4)_W1
Page 128 I8
to POWER (3)_W9
Page 128 E1
to POWER (3)_CB18
Page 128 H7
to A-VIDEO_CB203
Page 130 J2
to DSP_CB504
Page 119 F1