Yamaha RX-V661 Service Manual page 95

A B C
DSP 3/3
1
DSP
Page 98 F9
to OPERATION (1)_CB401
2
s103
s102
3
4
s101
5
s100
6
7
8
9
10
D E F
Page 99 H5 Page 99 H4 Page 97 G8
to MAIN (1)_W103 to MAIN (1)_W104 to FUNCTION (3)_W2501
R model
C-1
2 1
0
4.9
4.9
5.0
5.0
5.0
5.0
MICROPROCESSOR
5.0
0
0
0.1
IC81
0.1
4.9
5.1
0.5
5.2
4.7
0
0
5.0
5.2
5.2
3.2
2.3
4.9
1.0
1.0
0
0
B-2
4.9
4.9
5.1
G H
to FUNCTION (1)_CB206
IC82
5.1 5.1
5.8 5.1
10.1 5.8
0
4.4
5.8 5.2
5.1
5.8 5.0
0
4.9
0
4.8 0.6
0.1
0.1
4.9
4.9
4.9
4.9
0
0.1
0
4.9
0
0
4.9
4.9
4.9
0
0
0
0.2
0
0
0
4.9
0
4.5
4.5
4.5
4.8
0
0.4
4.9
4.9
0.1
Destination detection for AD port
Pull-up resistance 10 k-ohms
Ohm (R815) 0.0 k 1.2 k
V 0 - 0.3 0.4 - 0.7
A/D (5 V=255) 0 - 13 14 - 40
DEST, 139 pin J U, C
to DSP 1/3
I J K
Page 96 B8
5.1
4.4
CB88
5.0
5.1
4.9
-6.6
Page 100
to VIDEO_CB303
5.1
4.4
5.0
0.1 0.6
5.1
4.4
5.0
5.1
4.9
-11.9
5.1
4.9
CB89
-11.9
5.1
4.4
Page 101
5.0
to HDMI_CB5
CB90
WRITING PORT
2.7 k 4.7 k 6.8 k 10.0 k 15.0 k 27.0 k 47.0 k 100.0 k –
4.8 - 5.0
0.8 - 1.3 1.4 - 1.8 1.9 - 2.2 2.3 - 2.7 2.8 - 3.2 3.3 - 3.8 3.9 - 4.3 4.4 - 4.7
41 - 68 69 - 92 93 - 115 116 - 140 141 - 170 171 - 198 199 - 221 222 - 243 245 - 255
–
– R T K A B G, E L
L M N
RX-V661/HTR-6060/DSP-AX761
IC81: M30878JBGP
Single chip 16/32-bit microprocessor
8 8 8 8 8 8 8
Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
< > < >
V CC2 V CC1
Peripheral Functions
A/D Converter: Clock Generation Circuit
1 circuit X - X
IN OUT
X - X
Timer (16 bits) Standard: 10 inputs CIN COUT
Timer A: 5 channels (2)
Maximum: 34 inputs On-chip Oscillator
Timer B: 6 channels
PLL Frequency Synthesizer
UART/Clock Synchronous Serial I/O:
Three-Phase Motor Control Circuit (3)
7 channels DMAC
Watchdog Timer (15 bits) X/Y Converter: DMACII
16 bits x 16 bits
CRC Calculation Circuit (CCITT):
D/A Converter:
16 12 5
8 bits x 2 channels CAN Module: 2 channel X +X +X +1
M32C/80 series mixroprocerssor Core
Memory
Intelligent I/O
R0H R0L FLG
INTB ROM
(4) R1H R1L
Time Measurement: 8 channels
(5) R2
Wave Generating: 16 channels ISP
Communication Functions:
R3 USP RAM
Clock Synchronous Serial I/O, UART,
HDLC Data Processing A0 PC
A1 SVF
FB SVP
Multiplier
SB VCT
< >
V < V >
CC1 CC2
Port P14 Port P15 Port P11 Port P12 Port P13
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. 26 inputs maximum in the 100-pin package.
3. 6 channes available in the 100-pin package.
4. 6 channes available in the 100-pin package.
5. 10 channes available in the 100-pin package.
IC82: RH5RE58AA-T1-FA
D2
Voltage regulator
V IN V OUT
2 3
+
–
Vref
1
GND
POINT B-2 Pin 20 of IC81
L6
POINT C-1 1 / Pin5, 2 / Pin6 of CB85
+5M 1
/RES
2
AC cable ON
AC cable OFF
1
2
AC cable ON
# 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.
95