Yamaha HTR-5063 Service Manual page 94

A B C
RX-V567/HTR-5063
DIGITAL 2/5
1
Page 98 H9
to OPERATION (1)_CB401
2
3
4
R201
5 RX-V567 2.2K
HTR-5063 3.9K
3.4
3.4
6
0.6
1.1
EEPROM
0
0
IC22
7
3.4 3.4
0 3.4
3.4 3.4
0 0
8
CB29
9
POINT C 1 / IC20 (143 pin, +3.3M), 2 / IC20 (19 pin, /RESET)
POINT B XL20 (Pin 20 of IC20)
IC20 1
(+3.3M)
10
IC20 2
(/RESET)
AC POWER ON
(Connect the power cable)
94
D E F
Page 100 K7 Page 101 K8 Page 104
to MAIN (5)_CB157 to MAIN (1)_CB156 to VIDEO (3)_CB382
3.4
0
0
0 0
0
3.4
3.3
0
0
MICROPROCESSOR
0
3.3
0
0
0
IC20
3.3
0
1.2
3.4
0.6
0.6
0
3.4
0
0
3.4
3.4 No replacement part available.
3.4
サービス部品供給なし
1.2
1.1
3.4
0
0.4 1 2
C
0
3.4
B
3.4
3.4
1.2
3.3
0
IC20 1
(+3.3M)
IC20 2
(/RESET)
AC POWER OFF
AC POWER ON
(Disconnect the power cable) (Connect the power cable)
G H
I9
3.4
3.4 3.4
0
3.4 3.4 0 3.4
IC21
3.3
0
0
3.3
3.3
3.3
3.4
0
3.3
0
0
3.4
3.3
3.4
3.4
0
3.3
3.3
0
3.3
3.3
3.4
0
2.4
2.4
2.4
0
3.4
0
3.4
3.4
3.4
3.4
2.4 3.3
0.5
To DIGITAL 3/5
I J K
Page 103 G8
to VIDEO (1)_CB349
3.3
3.3
-11.8
3.3
3.3
-11.8
3.3
3.3
-11.8
3.3
3.3
-11.8
3.3
3.3
-11.8
IC20: R5F64166DFD
Single chip 32-bit microprocessor
8 8 8
Port P0 Port P1 Port P2 Port P3
Peripheral functions
A/D converter:
10 bits × 1 circuit
Timer:
Standard: 10 inputs
Timer A 16 bits × 5 timers
Maximum: 34 inputs
Timer B 16 bits × 6 timers
Three-phase motor
D/A converter:
controller
8 bits × 2 channels
Serial interface:
9 channels X-Y converter:
16 bits × 16 bits
Multi-master I 2 C-bus
CRC calculator (CCITT)
Interface:
X 16 + X
1 channel
Intelligent I/O R32C/100 Series Microprocessor Core
Time Measurement: 16
R2R0
Wave generation: 24 R2R0
R3R1
Serial interface:
R6R4
- Variable-length
R7R5
synchronous serial I/O
A0
- IEBus (1)
A1
A2
A3
FB
SB
Port P15 Port P14 Port P14_1
8 4
Note:
1. IEBus is a trademark of NEC Electronics Corporation.
To DIGITAL 4/5
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
L M N
To DIGITAL 5/5
To DIGITAL 1/5
3.4
0 IC22: LE25LA322M-TLM-E
3.4
32 k-bit serial SPI EEPROM
0.5
(Writing port)
0
X ·
EEPROM
3.4
ADDRESS DECODER
Cell Array
3.4 BUFFERS
and
3.4
LATCHES
CB27
Y ·DECODER
CB26
CONTROL I/O BUFFERS
and
LOGIC
DATA LATCHES
SERIAL INTERFACE
CS# SCK SI SO WP# HOLD#
CS# 1 8 VDD
SO 2 7 HOLD#
WP# 3 6 SCK
VSS 4 5 SI
8 8 8 8
IC21: R1172H331D-T1-F
Voltage regulator
Port P4 Port P5 Port P6
Clock generator:
4 circuits
- XIN-XOUT
V V
DD 4 5 OUT
- XCIN-XCOUT
- On-chip oscillator
- PLL frequency synthesizer
Watchdog timer:
15 bits
DMAC
Vref
12 + X 5 + 1 DMAC II
Current Limit
CE 1 2 GND
Memory
ROM
FLG
INTB
ISP
RAM
USP
Pin No. Symbol Description
PC
SVF
1 CE Chip Enable Pin
SVP Multiplier
VCT 2 GND Ground Pin
Floating-point unit 3 NC No Connection
4 V DD Input Pin
5 V OUT Output Pin of Voltage Regulator
Port P13 Port P12 Port P11
8 8 5
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
and must be replaced ● 印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。