Yamaha RX-Z11 - AV Receiver, Service Manual

Page: 161 / 243

IC754
IC743
IC757
IC741
IC754
IC755
IC747
IC747
IC755
IC782
IC781
IC744
IC744
IC699
IC695
IC744
IC756
IC756
IC756
IC755
IC754
IC696
IC696
IC696
IC697
IC698
CB695
CB696
IC561
IC697
IC696
CB781
CB782
CB786
CB785 CB784
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-Z11/DSP-Z11
161
★
All voltages are measured with a 10M
Ω
/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.
DSP 3/3
D-1
D-3
D-2
0.1
3.3
0.1
0
3.3
1.7
3.3
0
1.7
1.7
0
0
1.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0.1
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3 0.1
0
3.3
3.3
0 0
3.3
3.3 3.3
3.3 0 0
0
0 0 0
3.3 3.3
3.3
3.3 3.3
3.3
3.3
3.3
3.3
5.0 5.0
5.0
0
3.3 5.0
0
0
3.3
5.0
5.0
0.1
3.3
3.3
3.3
3.3
0
0
0
0.1
0.1
0.1
0.1
0
3.3
3.3 3.3 3.3 3.3 0 3.3 3.2 3.2 3.2 3.2 3.3 3.3 3.3 3.3 3.3 3.3 3.3
3.3 3.3 3.3
3.3 0 0 0
0 0 0 0 0.1 0.1 0.1 0.1
1.7 1.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.2
0
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
1.7
1.7
1.7
1.7
3.3
3.9
3.4
0
3.9
12.0
10.4
0
10.4
0 0
5.0
5.0
5.0
5.0
10.5
3.4
3.7
12.0
2.1
0
2.1
3.3
0
0
0
3.3
3.4
1.7
1.7
1.7
3.3
1.7
1.9
0.7
0.5
1.8
1.7
3.3
3.8
10.8
0.5
0
5.0
5.0
5.0
5.0
5.0
3.3
3.3
3.3
3.3
0
0
0
0
5.0
5.0
0
5.0
0
0
0
0
0
0.1
0
0.1
12.0
12.0
0.1
5.0
3.3
3.3
0.1
3.3
3.3
0.1
3.3
0.1
3.3
0.1
3.3
0.1
3.2
0.1
3.2
0.1
3.2
0.1
3.2
0.1
3.2
0.1
3.2
0.1
3.3
0.1
3.3
0.1
3.3
0.1
3.3
0.1
3.3
3.3
3.3
0.1
0.1
3.3
0
0
0
5.0
0
5.0
5.0
5.0
5.0
5.0
3.3
3.3
5.0
0
0
0
0.1
0.1
3.2
3.2
0
3.3
0.1
3.2
0.1
0
0.1
3.2
0
3.2
0.1
3.1
0.1
1.3
0
0
0
1.7
0
0
0
0
0
6.2
1.7
6.2
0
6.2
0
6.2
0
0
0
0
0
0
1.7
6.2
0
0
4.2
0
4.2
1.7
0
0
0
5.0
0
5.0
0
3.3
0
3.3
0
0
3.3
0
0
3.3
0
0
0
3.3
0
0
3.3
3.3
0
0
0
3.3
3.3
0
3.3
0
3.3
0
5.0
0
5.0
0
5.0
0
0
0
0
0
0.1
0
3.3
0
3.3
4.2
3.3
4.2
0
4.2
4.2
0
6.2
3.3
0
0 0 0 0 0 0 0
0
0
0
0
0
0
1.7
1.7
0
3.3
0
0 0
1.7
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.7 0 1.7
0 0
1.7
0
1.7
0 0
1.7
0
1.7
0 0 1.7
1.7
1.3
0
1.6
1.7 1.7
0.1
5.0
5.0
5.0
3.3
5.0
0
0
0.1
3.3
3.3
0
3.3
0
0
0
0
1.7
3.3
3.3
3.3
3.3
3.3
3.3
5.0
5.0
5.0
3.3
0.1
0
0
5.0 6.2
6.2 6.2 5.0
0
5.0 6.2
6.2
6.2 5.0
0
0
0 0
0
3.3
3.3
3.3
5.0
5.0
0
0.4
0
3.3
0
0
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
0
3.3
3.3
3.3
3.3
3.3
0
3.3
0
5.0
0
0
0
0
5.1
0
0
0
0.4
0
0
0
0
0
0
0
2.5
3.3
3.3
0
0
3.3
0
0 0 0
0
3.3
0
0
1.7
3.3
3.3
0
0
3.1
0.1 0
0
0
2.5
2.5
2.5
2.5
2.5
0
0
0
0
0
2.5 0
0
0
0
0
0
2.5
2.5
2.5
2.5
2.5
0
0
0
0
0
0
0
0
AD IN
DASB DAF DAC DASW DAS
IC754 : TC7WH04FK
Triple inverter
1
2
3
4
8
7
6
5
1A
3Y
2A
GND
VCC
1Y
3A
2Y
IC755, 756, 781 : TC7WH125FK
Dual bus buffer
1 G1
2 A1
3 Y2
4 GND
8 Vcc
7 G2
6 Y1
5 A2
A
H
L
H
L
H
L
L
H H
H
H
L
B Y
1
3
2
5
4 GND
V CC
IC741 : TC7SH32FU
2-input OR gate
IN A
IN B
OUT Y
IC744 : TC74VHCT08AFT
Quad 2-input AND gate
Vcc 14
4B
4A
4Y
3B
3A
3Y
1A 1
2
3
13
12
11
10
9
8
4
5
6
7
1B
1Y
2A
2B
2Y
GND
IC747 : NJM2904V
Dual operational amplifier
A OUTPUT
A-INPUT
A+INPUT
GND
B OUTPUT
B-INPUT
B+INPUT
V+ 1
2
3
4
8
7
6
5
+ –
A
B
+ –
1 3
4
5
2
IC
DC output (Vo) DC input (Vin)
ON/OFF control (Vc)
GND
DC output adjustment (Vadj)
IC695, 699 : PQ200WNA1ZPH
Low power loss regulator
IC696 : TC7WH14FK
Triple schmitt inverter
1
2
3
4
8
7
6
5
1A
3Y
2A
GND
VCC
1Y
3A
2Y
IC697 : TC7MBL3257AFK
Quad 1-of-2 multiplexer/demultiplexer
S
4A 4B1
4B2
3B2
3B1
2B2
2B1
1B2
1B1
14
10
11
6
5
3
2
13
3A
2A
1A
1
12
9
7
4
15
OE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S
1B1
1B2
1A
2B1
2B2
2A
GND
V
CC
OE
4B1
4B2
4A
3B1
3B2
3A
IC698 : BD6517F-E2
High side switch
Thermal
Shutdown
Charge
Pump Control
Logic Over
Current
Detector
1 CTRLA
Charge
Pump Control
Logic Over
Current
Detector
Oscillator
4 CTRLB
2 FLAGA
3 FLAGB
8 OUTA
5 OUTB
7 VDD
6 GND
IC561 : IP101ALF
Single port 10/100 fast ethernet transceiver
1
3
2
5
4 GND
V
CC
IC782 : TC7SH125FU
Bus buffer
IN A
G
OUT Y
4B/5B
Encoder
Scrambler
Mux
TXD RXD
100Mbps
100Mbps
100Mbps
100Mbps
100Mbps
10Mbps
10Mbps
10Mbps
10Mbps
10Mbps
4B/5B
Decoder
Serial to
Parallel
Manchester/
NRZ
Decoder
Descrambler
Serial to
Parallel
Clock
Recovery
Clock
Recovery
Squelch
MLT3/NRZI
Decoder
DSP Engine
MII Registers
Parallel to
Serial
Parallel to
Serial
Auto
Negotiation
MII/SNI/RMII
Interface
100Mbps
100Mbps
NRZI/MLT-3
Encoder
NRZI/Manchester
Encoder
TXO RXI
D/A & Line Driver
100Mbps
10Mbps
10Mbps
10Mbps
100Mbps
100Mbps
100Mbps
100Mbps
100Mbps
10Mbps
5B
5B
POINT D-1 XL741 (Pin 83 of IC743) POINT D-2 XL742 (Pin 75 of IC743) POINT D-3 XL743 (Pin 103 of IC743)
GATE ARRAY #1
(NPGA1)
ETHERNET
PHY
SEL
to DVIDEO (1)_CB604
Page 176 F3
to DVIDEO (1)_CB601
Page 176 B3
to SUBCPU (7)_W9902
USB (Rear)
NETWORK
Page 172 K8
to SUBCPU (5)_CB371
P
age 172
B3
to SUBCPU (4)_CB379
Page 171 G8
to SUBCPU (4)_CB387
Page 171 H8