Yamaha HTR-6150 Service Manual page 86

A B C
RX-V563/HTR-6150/DSP-AX563
DSP 4/8
1
2
to DSP 7/8
to DSP 3/8
3
to DSP 3/8
to DSP 6/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
4
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
5
to DSP 3/8
to DSP 3/8
6
to DSP 1/8
7
8
to DSP 5/8
9
10
# 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.
86
D E F
IC43
3.3
0
0
0
0.4
0.4
0.4
0.4
0.4
0.3
0.5
IC44
0.3
0
3.3
0
1.0
0.9
1.3
1.1
1.2
0.6
1.3
1.3
0
3.3
1.1
2.2
0
0
0
0
1.9
POINT A-3 XL401 (Pin 10 of IC41)
G H
to DSP 3/8 to DSP 3/8
SBL/SBR
DIGITAL IN
0
0
FL/FR SL/SR SW/C
0
0
3.3
MICROPROCESSOR
IC41
No replacement part available.
0
0
0
0
0
to DSP 5/8 to DSP 5/8
I J K
EEPROM
0
0
0
0
0
0
3.3
3.3
0.1
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
1.4
0
3.3
0
0
0
0
3.3
3.3
1.4
1.6
0
A-3
0
0
3.3
2.0
2.0
0
0
0
1.4
0
IC41: AD91089ZSKBC
Microprocessor
JTAG test Event controller/
Watch dock timer
and emulation Core timer
Real time clock
Voltage
regulator
UART port IrDA®
Memory
L1 instruction L1 data
management
memory memory
unit
Timer0, Timer1, Timer2
Core/System bus interface
PPI/GPIO
DMA controller
Serial port (2)
SPI port
Boot ROM
External port FLASH,
SDRAM control
L M N
to DSP 8/8
to DSP 8/8
to DSP 5/8
to DSP 8/8
to DSP 8/8
to DSP 3/8
to DSP 8/8
to DSP 5/8
IC43, 44: TC74VHC153FT
Dual 4-channel multiplexer
A 14 S0
S0
S1
S1
B 2
S2
S2
S3
S3
6
1C0 7
1Y
S0
1C1 5
S1
1C2 4
S2
1C3 3
S3
1
1G
2C0 10
9 2Y
S0
11
2C1
S1
12
2C2
S2
2C3 13
S3
2G 15
IC42: BR25L320F-W EEPROM
SPI BUS 32 k-bits (4,096 x 8-bit) EEPROM
1 8 Vcc
CS VOLTAGE
INSTRUCTION DECODE DETECTION
CONTROL CLOCK
GENERATION
WRITE HIGH VOLTAGE
SO 2 7 HOLD
INHIBITION GENERATOR
INSTRUCTION
REGISTER
STATUS REGISTER
3 6 SCK
WP ADDRESS ADDRESS
12bit 12bit
REGISTER DECODER
32,768bit
EEPROM
DATA READ/WRITE
REGISTER 8bit AMP 8bit
GND 4 5 SI