Yamaha RX-Z11 Service Manual page 165

A B C
INPUT 1/2
1
12.0
0
IC203
0
0
2
0
0
IC203
0
-11.8
ZONE INPUT
SELECTOR
3
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
3.8 8.4
0
0
4
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
3.8 0
0
0
5
-12.1 12.4 -12.1
5.0 5.0
0
0 0
0
MAIN INPUT SELECTOR
6
IC205
0
0 0
0
0 0
0
0 0
0
0
7
8 IC206
0
0
0
0 0
0
0
0 0 0
0
0 0 0
0 IC207
0
0
0 0 0
0
0 0 0
0
0 0 0
9
ANALOG IN
Page 172 K6
to SUBCPU (7)_CB995
10
D E F
Page 172 F4
to SUBCPU (5)_CB374
12.3
0
0 IC248
0
0
0
IC248
0
-12.1
0
IC221
0
0
-12.2
-12.2
0
0
0
0 0 IC221
0
8.4 0
12.4
-7.2
0
-12.2 0
0
12.4
0
0
0
0
0
0
0
0
CB201
0
IC224
0
0
0
0
0
0
0
0
-12.2
0
8.4
0
-7.2
0
0
0
0
0
-12.2
0
0 0
IC224
CB202 0
0
12.4
12.4 12.4
-12.1
0
0
5.0
0 0 0
0
0 0 0
0
0
0
0
0
0
0
0
0
0
0
0 0
0
0 IC227
0
0 0 0
0
0 0
0 0
-12.3
0
IC227
0
0
12.4
12.1
0
IC204
0
0
0
0
IC204
0 0
-12.1
IC229
0
0
0
0
0
0
0
0
0
0
0
-12.3
8.4 0
12.4
0 IC229
0
12.4 0
0
8.0 0
0
0
-7.8 0
0 8.0 -7.8
0
0
0 -7.8
0
-7.2
-12.2
Page 169 J8
to POWER (2)_CB55
G H
INPUT (1)
12.4
0
IC222
0
SL
0
5.4
4.9
0
0 0
0 0 0
0
IC222 0 3.0
0
3.4
0
1.3
DAS
0
-12.2
0 1.3
IC223 0 1.7
0
0
0
DAC
0
IC232
0
0
IC223
12.4
12.4
0
IC225
SWL
0
-12.2
5.4
4.9
0 0
0 IC232
0 0
0
0 0 0
12.4
0
IC225
0
3.4
0
0
DASW
0
-12.2 0 1.3
0
IC226 0
0 1.7
0
0 0
0
DAC
0
0
IC226
0
12.4
0
IC235
0
0
5.4
4.9
0 -12.2
0
0
0
0 IC235
0 3.0
0
12.4
3.4
0
0
DAC
5.4 0
0 1.3
-12.2 0
1.7
0
0 IC228 0
0
0 0
5.4
C
DAC
0
IC228 0
0
IC238
12.4 0
0
12.4 FL
0
IC230
0
5.4
4.9 -12.2
0
0 IC238
0
0 0 0
0 0 0 12.4
0
IC230 0 3.0
0
-12.2 3.4
0
0
DAF
5.4 0
-12.2 0 1.3
0
IC231 0 1.7
0
0
0
5.4
DAC
0
IC231
0
12.4
I J K
IC204, 222, 223, 225, 226, 228, 230,
231, 233, 234, 236, 237, 239, 240: NJM5532M-D
Dual low noise operational amplifier
A OUTPUT 1 8 V+
A
A-INPUT 2 7 B OUTPUT
+
–
3 B 6
A+INPUT B-INPUT
+ –
V- 4 5 B+INPUT
3.4
12.4
0
IC233
0 0
0
0
0
0
5.4
4.9
0
0 0
0 0 0
0
IC233 0 3.0
0
-12.2 3.4
0
0
5.4 0
-12.2
0 0
0
IC234 0 1.7
0
0
0 0
0
5.4
IC206: NJU7312AM
DAC Analog function switch
0
0
IC234
0 L1 2
12.4
L2 3
L3 4
L-COM1 5
L4 6
L5 7
L6 8
L-COM2 9
12.4
L7 10
0
IC236
0
L8 11
0
L-COM3 12
ST 13
V 28
DD
5.4
4.9
V EE 1
0
0 0
0 0 0
0
0 3.0
IC236
0
-12.2 3.4
0
0
5.4 0
-12.2 0 0
0
IC237 0 1.7
0
0
0 0
0
5.4
DAC
0
0
IC237
0
12.4
12.4
0
IC239
0 SBL
0
5.4
4.9
0
0 0
0 0 0
0
IC239 0 3.0
0
-12.2 3.4
0
0
DASB
5.4 0
-12.2 0 0
0
0 IC240 0 1.7
0
0 0
0
5.4
DAC
0
0
IC240
0
12.4
CB205
12.4
0
5.4
0
3.4
W2003
5.4
5.4
12.4
0
# 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.
L M N
RX-Z11/DSP-Z11
IC201, 202: NJW1111V
9-in 3-out stereo audio selector
InB1 InB2 InB3 InB4 InB5 InB6 InB7 InB8 InB9 GND OutA1 OutB2 OutB3 ADR V+ V-
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
Gain Gain Gain
50k ohms 8dB to 3dB 8dB to 3dB 8dB to 3dB
x18 /0.5dBstep /0.5dBstep /0.5dBstep
Gain Gain Gain
8dB to 3dB 8dB to 3dB 8dB to 3dB
/0.5dBstep /0.5dBstep /0.5dBstep
Control Logic
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
InA1 InA2 InA3 InA4 InA5 InA6 InA7 InA8 InA9 GND OutA1 OutA2 OutA3 LATCH DATA CLOCK
CB207
0
0
0
IC203, 248: NJM2068MD-TE2
0
Dual operational amplifier
0
0
0
Page 171 G9
0
OUT 1 1 8 +V CC
0
to SUBCPU (4)_CB385
–IN 2 7 OUT 2
1
0 + – + –
+IN 3 6 -IN
1 2
1.3
0
–V CC 4 5 +IN 2
1.3
1.3
1.3
0
0
IC205: NJU7311AM
0
Analog function switch
1.7
Page 171 G9
0
1.7
to SUBCPU (4)_CB381 L1 2 27 R1
0
L2 R2
0 3 26
0 L-COM1 R-COM
CB206 4 25
L3 5 24 R3
0
L4 R4
6 23
L-COM2 R-COM2
7 22
L5 8 21 R5
L6 R6
9 20
L-COM3
10 19 R-COM3
L7 11 18 R7
L-COM4 12 17 R-COM4
ST DATA
13 16
CONTROL
V DD CK
28 15
V EE 1 14 Vss
IC207: NJU7313AM
Analog function switch
L1 2 27 R1
27 R1
26 R2 L2 3 26 R2
25 R3 L3 4 25 R3
24 R-COM1 L4 5 24 R4
23 R4
L-COM1 6 23 R-COM1
22 R5
L5 7 22 R5
V EE 1 30 V DD
21 R6 L1 2 29 R1
L6 8 21 R6
L2 3 28 R2
20 R-COM2 L3 4 27 R3
L-COM2 9 20 R-COM2
L-COM1 5 26 R-COM1
19 R7 L4 6 25 R4
L7 10 19 R7
L5 7 24 R5
18 R8
L6 8 23 R6 L8 11 18 R8
L-COM2 9 22 R-COM2
17 R-COM3
L7 10 21 R7 L-COM3 12 17 R-COM3
L8 11 20 R8
16 DATA
CONTROL L-COM3 12 19 R-COM3 ST 13 16 DATA
15 CK NC 13 18 NC CONTROL
ST 14 17 DATA V DD 28 15 CK
V 15 16 CK
14 V SS SS
V EE 1 14 Vss
IC221, 224, 227, 229, 232, 235, 238: LM4562MAX
Dual high performance, high fidelity audio operational amplifier
OUTPUT A 1 8 V+
INVERTING
2 7 OUTPUT B
INPUT A
A B
– + + –
NON-INVERTING INVERTING
3 6 INPUT B
INPUT A
NON-INVERTING
V- 4 5
INPUT B
IC249: TC7WH125FK
Dual bus buffer
G1 1 8 Vcc
A1 2 7 G2
Y2 3 6 Y1
GND 4 5 A2
IC241-247: DSD1796DBR
24-bit, 192-kHz sampling, advanced segment, audio stereo digital-to-analog converter
IOUTL-
DBCK
Audio
DSDL Current
Data Input VOUTL
Segment
DSDR I/F
DAC
IOUTL+
Page 171 E9 PLRCK
x 8 I/V and Filter
PBCK VCOML
Oversampling
Advanced
PDATA Digital Bias
to SUBCPU (2)_CB392 Segment IREF
Filter and
DAC
and Vref
RST Modulator VCOMR
Function
Control
IOUTR-
MDO
MDI
Function Current
VOUTL
MC Control Segment
I/F
DAC
MS
IOUTR+
Page 169 J6
I/V and Filter
to POWER (2)_CB54 System Clock Manager Power Supply
DSDL V 2L
1 28 CC
DSDR 2 27 AGND3L
DBCK 3 26 I L-
OUT
PLRCK 25 I L+
4 OUT
PDATA 5 24 AGND2
PBCK 6 23 V 1
CC
SCK 7 22 V L
COM
DGND
8 21 V COM R
V DD 9 20 IREF
MS 10 19 AGND1
MDI I R-
11 18 OUT
MC 12 17 I OUT R+
MDO 13 16 AGND3R
RST 14 15 V 2R
CC
165