Yamaha RX-V1067 Service Manual page 144

A B C
RX-V1067/HTR-8063/RX-A1000
NET 2/3
1
2
To NET 3/3
1.3 3.3
1.3 3.3
IC511
3.3
0
3
To NET 1/3
4
5
3.3
IC510 0
0
3.3
IC510
To NET 1/3
6
7
1.6
3.3
3.3
0
8
To NET 1/3
9
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced ●
with parts having specifications equal to those originally installed. 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。
★ Schematic diagram is subject to change without notice.
● 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。
144
D E F
5.0 5.5
5.0 5.5
IC515
3.3 0
IC516
DAC
0
0 2.5
0 2.5
2.6
3.3
1.6 0
0 5.1
1.7
1.3
IC512
3.3
IC510
IC510 0
3.3
IC510
0
IC512
0
3.1
0 0
2.3
PHY
2.3
0 2.3
0 2.3
2.3
IC513
2.3 0
1.4
0 3.3
0
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、
G H
3.3 3.3 3.3
3.3 3.3 0
0 3.3
3.3
0 5.1
3.3
5.1
3.3 0
3.3
IC517
I J K
5.5
3.3
3.3
Page 130 L8
1.8
to DIGITAL (1)_W701
0
0
CB512
CB505
0
Page 136 B9
0
0 to FUNCTION (3)_W803
5.1
CB511
5.1
0
0
Page 137 I7
0
to OPERATION (2)_W4501
0
IC514: PCM1781DBQR
Audio digital-to-analog converter
BCK
LRCK
CB504
DATA
(FMT)
MS (DEMP0)
MC (DEMP1)
MD (MUTE)
(TEST)
SCK
CB503
(1) Open-drain output for the PCM1782
NOTE: Signal names in parentheses ( ) are for the PCM1781.
NETWORK
IC515: R1172H501D-T1-F
Voltage regulator
V 4
DD
CE 1
Pin No. Symbol
1
2
3
4
5
L M N
IC510: TC7WH14FK IC511: R1172H121D-T1-F
Triple schmitt inverter CMOS-based positive-voltage regulator IC
1A 1 8 V CC
V V
DD 4 5 OUT
3Y 2 7 1Y
2A 3 6 3A
Vref
Current Limit
GND 4 5 2Y
CE GND
1 2
Pin No. Symbol Description
1 CE Chip Enable Pin
2 GND Ground Pin
3 NC No Connection
4 V Input Pin
DD
5 V Output Pin of Voltage Regulator
OUT
IC513: IP101ALF
Single port 10/100 fast ethernet transceiver
TXD RXD
MII/SNI/RMII
Interface
100Mbps
10Mbps
100Mbps
4B/5B
4B/5B Serial to
Encoder
Decoder Parallel
10Mbps
100Mbps
100Mbps
MII Registers
10Mbps
Descrambler
Manchester/
Scrambler
NRZ
Decoder
100Mbps
5B
100Mbps Serial to
5B
Parallel
Auto 10Mbps
Mux
Negotiation
100Mbps Clock
Recovery
Clock
100Mbps 10Mbps Recovery
Parallel to
10Mbps
Serial 100Mbps
Parallel to
Serial
MLT3/NRZI
Squelch
Decoder
100Mbps
NRZI/MLT-3 10Mbps 100Mbps
Encoder
NRZI/Manchester
DSP Engine
Encoder
100Mbps
10Mbps
10Mbps
100Mbps
D/A and Line Driver
TXO RXI
Audio
Serial V L
Output Amp OUT
Port
DAC and
Low-Pass Filter
4 x 8
Oversampling
Enhanced
Digital
Multilevel
Filter V
Delta-Sigma COM
With
Modulator
Function
Serial
Control
Control
Port Output Amp
DAC and
Low-Pass Filter
V R
OUT
System Clock
System
Clock Zero Detect Power Supply
FMT 1 16 ZEROA
Manager
DEMP0 2 15 V L
OUT
DEMP1 3 14 V R
OUT
MUTE 4 13 V
COM
SCK 5 12 AGND
DATA V
6 11 CC
BCK 7 10 NC
LRCK 8 9 TEST
IC517: BD6517F-E2
High side switch
Over Control Charge
5 V CTRLA 1 8 OUTA
OUT
Current Logic Pump
Detector
2 7 VDD
FLAGA
Thermal Oscillator
Vref Shutdown
Current Limit
FLAGB 3 6 GND
2 GND
Over Control Charge
Current Logic Pump
Description
CTRLB 4 Detector 5 OUTB
CE Chip Enable Pin ("H" Active)
GND Ground Pin
NC No Connection
V Input Pin
DD
V Output Pin
OUT