Yamaha HTR-3064 Series, Руководство по обслуживанию

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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-V371/HTR-3064
78
DIGITAL 2/4
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
IC223
IC222
CB223
CB222 CB221
IC221
CB224
3.3
3.4
3.3
0
3.4
3.4
3.4
3.4 3.4 3.4
3.4 3.4
0
0
3.4
3.4
3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3
3.3 3.4
0 0 0 0 0 0 0 0 0 3.4 3.4 2.9
0
3.4 3.3 0.3 0.3 3.3
1.7 1.5
3.3
0
3.4
3.3 3.4 3.4
3.4
3.4 3.4
0 0
0 0
1.7 3.3 3.3 3.3
0
0
0
0 0
0 0 0 0
0
0 0
3.3
0.3 3.4 3.3
3.4
-11.6
3.4
3.4
-11.6
3.4
3.4
-11.6
3.4
3.4
-11.6
3.4
9.1
0
-11.6
0
0
0.8
3.3
3.3 3.4 0
3.4
3.4 3.4
0
0 0
0
0
0
0
3.3
0
0
3.3
3.3
0
3.4
3.4
3.4
3.4
3.3
3.4
3.4
3.4
3.4
3.3
3.3
1.3
0
0.3
0
0
0.4
0
0
3.4
3.4
3.4
3.4
3.4
3.4
3.4
2.7
3.4
3.4
3.4
3.4
3.4
3.4
1.7
3.4
2.8
0.8
3.0
3.4
3.4
0
0
3.4
3.4
3.4
3.4
POINT B XL221 (Pin 11 of IC221)
1 IC221
(+3.3M)
IC221
(N_RESET)
2
1 IC221
(+3.3M)
IC221
(N_RESET)
2
AC POWER ON
(Connect the power cable)
AC POWER ON
(Connect the power cable)
AC POWER OFF
(Disconnect the power cable)
POINT C 1 / IC221 (97 pin, +3.3M), 2 / IC221 (10 pin, N_RESET)
B
1
C
2
REFERENCE
VOLTAGE
CIN FLOUT VREF
VREF
ANTIALIASING
FILTER
57kHz
BPF
(SCF)
SMOOTHING
FILTER
MPXIN
+3V
Vdda
Vssa
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
+3V
Vddd
RDS-ID/
READY
RST
Vssd
DATA
DECODER
XOUT XIN
TEST TEST
CLK(4.332MHz)
OSC
RAM
(128bits)
RDDA
RDCL
RDS-ID
DETECT
MODE
IC223 : LC72725KM-UY-TLM-E
RDS signal demodulation IC
CIN TEST
Vssd
MODE
Vddd
XIN
XOUT
RST
RDCL
FLOUT
RDS-ID/READY
RDDA
VREF
MPXIN
Vdda
Vssa
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
1
IC221 : R5F364AMNFB
Single chip 16-bit microprocessor
Timer (16-bit)
Internal peripheral functions
Three-phase motor control
circuit
Outputs (timer A): 5
Inputs (timer B): 6
Watchdog timer
(15-bit)
Real-time clock
PWM function (8-bit x 2)
Remote control signal
receiver (2 circuits)
VCC1 ports
VCC2 ports
A/D converter
(10-bit resolution x 26
channels)
System clock generator
PLL frequency synthesizer
On-chip oscillator
(125 kHz)
XIN-XOUT
XCIN-XCOUT
M16C/60 series
Microprocessor core
Port P0
8
Port P1 Port P1 Port P3 Port P4 Port P5
Port P10 Port P9 Port P8 Port P7 Port P6
ISP
USP
INTB
SB
CRC arithmetic circuit
(CRC-CCITT or CRC-16)
DMAC (4 channels)
On-chip debugger
Voltage detector
Power-on reset
Multiplier
Memory
ROM
(1)
(2) RAM
FLG
PC
UART or
clock synchronous serial I/O
(6 channels)
Clock synchronous serial I/O
(8-bit x 2 channels)
Multi-master I 2 C-bus interface
(1 channel)
CEC function
D/A converter
(8-bit resolution x 2
circuits)
R0L R0H
R1H
R1L
R2
R3
FB
A1
A0
8 8 8 8 8
8
1. ROM size depends on MCU type.
2. RAM size depends on MCU type.
Notes:
8 8 8 8
IC222 : R1EX25032ASA00A
4096 x 8-bit SPI serial interface EEPROM
Vcc 8
Vss 4
S 1
W 3
C
6
Serial-parallel converter
Y-select and Sense amp.
Memory array
High voltage generator
HOLD 7
D
5
Q 2
Control logic
Address generator
Y decoder
X decoder
MICROPROCESSOR
EEPROM
32 kbit
RDS
to DIGITAL 4/4
to DIGITAL 3/4 to DIGITAL 1/4
to DIGITAL 4/4 to DIGITAL 3/4, 4/4
(B, G, F models)
No replacement part available.
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Page 83 B2
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