Yamaha RX-V1800 Service Manual page 122
Av receiver/av amplifier
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Also See for RX-V1800:
- Owner's manual (841 pages) ,
- Owner's manual (160 pages) ,
- Owner's manual (157 pages)
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A
B
C
RX-V1800/HTR-6190/DSP-AX1800
FUNCTION 1/4
1
To TUNER
2
CB401
(B, G, E models)
5.5
2.3
0
0.2
2.3
0
11.9
5.0
4.5
0
0.1
0
0
2.3
5.6
2.3
3
0
11.9
0
0
5.6
2.0
1.8
0
B-3
5.1
4
~
0
CB402
Page 137
M6
to FL (5)_CB960
CB416
5
Page 137
L6
to FL (5)_CB972
CB403
6
Page 137
M8
to FL (3)_CB955
CB404
Page 137
L8
to FL (3)_CB952
7
to FUNCTION 2/4
8
FUNCTION (1)
9
Page 136
to FL (6)_W9501
# 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.
10
122
D
E
F
IC403
3.1
0
0
0
0
0.1
0.1
0.1
4.9
5.0
5.0
0.1
MICROPROCESSOR
0.1
0.1
0
(MAIN)
0
5.1
5.1
IC402
0
0
0
4.9
0
0
4.5
4.9
5.1
5.1
1.1
1.1
0.4
1.4
5.1
1.7
5.1
0.1
0
5.1
B-2
1.4
4.9
0.4
0.4
4.9
0.2
0
5.1
5.0
4.5
IC407
4.9
5.1
5.1
8.3
5.8
5.8
0
3.7
5.1
4.2
5.1
0
0
M3
Page 128
I8
to POWER (4)_W1
C-1
C-2
1
2
POINT B-2 Pin 20 of IC402
POINT B-3 Pin 12 of IC401
G
H
0
11.2
5.0
5.6
5.1
4.9
0.1
4.9
4.9
0.1
0
4.9
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
4.9
5.1
0
5.0
4.9
0
0.1
0.1
4.9
4.9
0.1
~
4.9
5.0
0
5.1
5.1
4.9
4.9
5.1
4.9
Page 128
E1
Page 128
H7
to POWER (3)_W9
to POWER (3)_CB18
POINT C-1 1 / Pin7, 2 / Pin8 of CB406
+5M
1
1
/RES 2
2
AC cable ON
AC cable OFF
I
J
K
0
0
JK401
JK402
0
0
0
4.9
5.1
0
CB412
5.0
DSP-AX1800
5.1
-11.2
CB413
5.1
-11.2
5.1
-11.2
CB414
5.1
-11.2
5.1
-11.2
5.1
-11.2
3.3
0
0
IC405
0
5.1
5.0
-11.2
0
0
0
5.1
0
0
0
IC406
IC404, 406: SN74AHCT1G32DCKR
Single 2-input positive-OR gate
A
1
B
2
GND
3
IC405: SN74AHC1G08DCKR
2-input positive-AND gate
A
1
B
2
GND
3
IC407: RH5RE58AA-T1-FA
Voltage regulator
V
IN
2
Vref
Page 130
J2
Page 119
F1
to A-VIDEO_CB203
to DSP_CB504
IC401: LC72722PM
RDS signal processor
1
5
6
VDDA
3
REFERENCE
VOLTAGE
VSSA
4
VREF
57 kHz
ANTIALIASING
SMOOTHING
MPX IN
2
bpf
FILTER
FILTER
(SCF)
DO
20
CL
21
RAM
ERROR CORRECTION
DI
22
CCB
(24 BLOCK DATA)
(SOFT DECISION)
CE
23
CLK (4.332 MHz)
T1
7
MEMORY
CONTROL
T2
8
TEST
T3
9
OSC/DIVIDER
T4
10
11 16 17
13
AC cable ON
L
M
N
RX-V1800
HTR-6190
IC402: M3087BFKBGP
Microprocessor
8
8
8
8
8
8
8
5
Vcc
Port P0
Port P1
Port P2
Port P3
Port P4
Port P5
Port P6
<
>
<
V
(3)
>
V
CC1 (3)
CC2
4
Y
Peripheral Functions
A/D Converter:
Clock Generation Circuit
1 circuit
X
IN
- X
OUT
Timer (16-bit)
Standard: 10 inputs
X
CIN
- X
COUT
Timer A: 5-channel
Maximum: 34 inputs
(2)
On-chip Oscillator
Timer B: 6-channel
PLL Frequency Synthesizer
UART/Clock Synchronous Serial I/O:
Three-Phase Motor Control Circuit
5-channel
DMAC
DMACII
Watchdog Timer (15-bit)
X/Y Converter:
16-bit x 16-bit
D/A Converter:
CRC Calculation Circuit (CCITT):
8-bit x 2-channel
CAN Module: 1-channel
X
16
+X
12
+X
5
+1
5
Vcc
M32C/80 series microprocessor core
Memory
Intelligent I/O
R0H
R0L
FLG
R1H
R1L
INTB
ROM
Time Measurement: 8-channel
4
Y
R2
ISP
Waveform Generating: 8-channel
Communication Functions:
R3
USP
RAM
Clock Synchronous Serial I/O, UART,
A0
PC
HDLC Data Processing
A1
SVF
FB
SVP
SB
VCT
Multiplier
<
(3)
>
<
(3)
>
V
CC1
V
CC2
Port P14
Port P15
Port P11
Port P12
Port P13
V
OUT
3
7
8
5
8
8
(Note 1)
+
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 V
=V
.
CC1
CC2
1
GND
IC403: LC709004A-TLM-E
I/O-expander for microcontroller
CLOCK
14
VDDD
PLL
RECOVERY
(57 kHz)
(1187.5 Hz)
DIN
2
Serial/parallel converter/shift register
14
DOUT
15
VSSD
CLK#
3
15
VDD
DATA
19
RDS-ID
DECODER
VSS
19
CS#
4
18
SYNC
SYNC / EC
RES#
I/O control/output register
CONTROLLER
21
24
SYR
SYNC
SYNC
DETECT-1
DETECT-2
port 0 I/O buffer
port 1 I/O buffer
12
24
17
15
8
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