Yamaha RX-Z11 Service Manual page 161

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