Yamaha MCR-E810 Service Manual page 37

A B C
INPUT
1
2
3
4
0.1
0
0
2.5
0
2.5
5
4.9
2.5
4.9
-11.0
0
4.9
6
Page 35 D2
to MAIN (1)_CB12
7
18.4
11.2
18.4
18.4
12.5 12.5
12.5 0 0
8
0
-18.7
0
0
-12.4
-12.4
-12.4 -18.7
-18.7
-11.1 -18.7
9
10
D E F
Page 36
to MAIN (2)_W1
4.9
5.5 5.5 10.3
4.9
6.1
5.5
4.7
5.5
6.1
4.7 0
4.7
0
4.9 0
0
4.8
0 4.8
MICROPROCESSOR 0
0
0
2.5
0
0
4.8 0
4.8
0
0.9 M30620MCP-A41FP 4.7
0.4 2.1
2.5 0
2.5 4.9
0
0.1
0
0.4
4.8 1 2 0
4.9 0
4.7 0
0
4.7
INPUT L
to MAIN (4)_CB18
POWER TRANSFORMER
AC 4.5
AC 28.4
INPUT (2)
G H
b
3
a
B2 Page 34 L4
TUNER
to OPERATION (2)_CB702
11.2 9.6
10.3
10.3
11.2
10.5
0
11.2
0
4.7
0
0
0
0
0
4.7 11.2
0 11.2
0 0 0 0 0 0
11.2
0
0 0
0.1
0
0
0.1
0.1
0
0 0 0
-11.0
0 0 0 0 0 0
Page 36 G7 Page 35 G2
to MAIN (1)_CB15
POINT 1 Pin 11 of IC200
RX-E810 RX-E410
POINT 3 a / Pin9, b / Pin8 of CB205
+5M a
/RESET b
AC cable ON
I J K
IC203: LC72722PM
RDS signal processor
VDDA
VSSA
MPX IN
IC201: NJM2068MD-TE2
Dual operational amplifier
IC202: LC78211
Analog function switch
0 0
LCOM1
LCOM2
0 0 0
LCOM3
INPUT (1)
IC200: M30620MCP-A41FP
Single-chip 16-bit cmos microcomputer
8 8
Port P0 Port P1
Internal peripheral functions
Timer (16-bit)
Output (timer A): 5
Input (timer B): 6
POINT 2 Pin 13 of IC200
Three-phase motor
control circuit
Watchdog timer
(15 bits)
DMAC
(2 channels)
D/A converter
(8 bits X 2 channels)
a
b
AC cable OFF AC cable ON
L M N
RX-E810/RX-E410/NX-E800
1 5 6
CLOCK
3 PLL 14 VDDD
RECOVERY
REFERENCE (57 kHz)
(1187.5 Hz)
VOLTAGE
4 15 VSSD
VREF
57 kHz
ANTIALIASING SMOOTHING DATA
2 bpf 19 RDS-ID
DECODER
FILTER FILTER
(SCF)
DO 20
CL 21 18 SYNC
RAM ERROR CORRECTION SYNC / EC
DI 22 CCB (24 BLOCK DATA) (SOFT DECISION) CONTROLLER
24 SYR
CE
23
CLK (4.332 MHz)
T1 7 MEMORY
T2 CONTROL
8 SYNC SYNC
TEST
T3 9 DETECT-1 DETECT-2
OSC/DIVIDER
T4 10
11 16 17 13 12
OUT 1 8 +V
1 CC
–IN 1 2 7 OUT 2
+ – + –
+IN 3 6 –IN
1 2
–V CC 4 5 +IN 2
1 30
L1 R1
L2 2 29 R2
L3 3 28 R3
L4 4 27 R4
5 26
RCOM1
L5 6 25 R5
L6 7 24 R6
8 23
RCOM2
9 22
L7 R7
L8 10 21
R8
11 20 RCOM3
V DD 19 LEVEL SHIFTER
16
V SS
14 D1
LATCH ZZ
12
V EE
15 CL
18 ZZ
RES
SHIFT REGISTER
S 17 13 CE
ZZ
8 8 8 8 8
Port P2 Port P3 Port P4 Port P5 Port P6
<VCC2 ports> (4) <VCC1 ports>
A/D converter System clock
(10 bits X 8 channels generation circuit
Expandable up to 26 channels)
XIN-XOUT
UART or XCIN-XCOUT
clock synchronous serial I/O PLL frequency synthesizer
(8 bits 3 channels)
X On-chip oscillator
CRC arithmetic circuit (CCITT )
Clock synchronous serial I/O
(Polynomial : X 16 +X 12 +X 5 +1)
(8 bits X 2 channels)
M16C/60 series16-bit CPU core Memory
R0H R0L SB ROM
R1H R1L 128K
USP
R2
ISP
R3 RAM
10K
INTB
A0
PC
A1
FB FLG
Multiplier
# All voltages are measured with a 10MΩ/V DC electronic volt meter.
# 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.
37