Yamaha RX-Z9 Service Manual page 136

A B C
RX-Z9/DSP-Z9
SCHEMATIC DIAGRAM (FUNCTION 2/2)
1
LEVEL VOLUME
L+/L-
2 0
2.5
2.5
2.5
0 2.5
2.5 2.5
2.5 5.0
0 0
4.7 0
5.0
0
4.7 0
0 4.7
2.5 0
2.5
2.5
0 2.5
3
2.5 2.5
2.5 5.0
0
0
4.7
0
0 5.0
0
4.7
0 4.7
C+/C-
2.5 0
2.5
2.5
0 2.5
2.5 2.5
2.5
5.0
0 0
4
4.7 0
0 5.0
0
4.7
0 4.7
SWL
2.5 0
2.5
2.5
0 2.5
2.5 2.5
2.5 5.1
0 0
4.7
0
0 5.0
0
4.7
5
0 4.7
SL+/SL-
2.5 0
2.5
2.5
0 2.5
2.5 2.5
2.5 5.1
0
0
4.7 0
0 5.0
0
4.7
0 4.7
6
2.5 0
2.5
2.5
0 2.5
2.5
2.5
2.5
5.1
0 0
4.7 0
0 5.0
0
4.7
0 4.7
SBL+/SBL-
7
2.5 0
2.5
2.5
0 2.5
2.5 2.5
2.5 5.0
0 0
4.7 0
0 5.0
0
4.7
0 4.7
2.5 0
2.5
2.5
0 2.5
8
2.5 2.5
2.5 5.0
0
0
4.7 0
0 5.0
0
4.7
0 4.7
PL
0
2.5
2.5
2.5
0 2.5
2.5 2.5
2.5 5.0
0 0
9
4.7 0
0 5.0
0
4.7
0 4.7
10
136
D E F
L
-12.6
0
0 0
0
0
0 -12.6
11.5
0
0
0
C
0
0 0
0
0
11.5
-0.3
0
-0.3 0
0
-0.3
-11.6
SL
-12.8
-12.6
1.3
0
0
0
0
0
0
0 0
1.3
11.5
SBL
-12.6
0
0
0
0
0
0 0
0
0 0
11.5
PL
0 -12.6
0
0
0
0
0
0
0
0
0
11.5
SWL
0 -12.6
0 0
0
0
0
0
0
0 0
11.5
11.5
5.0
5.7
5.1 11.5
5.7
5.0
11.5
5.7
0.1
0
0
0
0
0
0
Page 140 J-5
TO VIDEO TOP CB23
G H I
0
0
0
0
0
0
0
0
0
-12.6 0
0
-12.6
-12.6
0 0
0
0
0
0
0 -12.6
0 0
-12.6 0
11.5
0
0
0
0
0
0
0
0
0
-12.6
0
0
11.5
0.7 0
0
0.7
0
0 0
-12.6
0.7
0.7
0
0
0
0
0.7
0 0
0.7 0
11.5
0
0
-12.6 0
-12.6
0 -12.6
0
0
0
-12.6
0
0
-12.6 0
11.5
0
0
0
-12.6 0.7
0 0.7
0
0
0
0.7
0 0
0.7 0
11.5
0
0
0
-12.6
-12.6
0
0
0
-12.6
-12.6
0
0 -12.6
0
0
0
11.5
-11.8
11.6
10.9
11.6
10.2
11.6
10.2
10.2
10.2
9.8
-10.2
-11.3
-11.5
-12.6
-11.6
-11.6
-12.6
Page 140 J-6 Page 143 J-3
TO VIDEO TOP CB24
TO POWER (2) CB701
J K L
EUROPE
SWL
0
L
PL
10.2
-0.3
0
Page 138 H-2
TO MAIN (L)-R
CB421
-0.3
10.2
-0.3
C
Page 139 A-2 0
12.7
TO MAIN (R)-L
CB301
SBL
SL 10.2
0
Page 138 A-2
TO MAIN (L)-L
CB301
10.2
0
9.8
Page 139 H-2
10.2
TO MAIN (R)-R
CB661 0
10.2
0
M N O
IC37 : TC9162AF
Analog Switch Array
VSS GND VDD
1 14 28
L-S1 2 27 R-S1
L-S2 3 26 R-S2
25
L-COM1 4 R-COM1
L-S3 5 24 R-S3
L-S4
6 23 R-S4
L-COM2 7 22 R-COM2
L-S5 8 21 R-S5
L-S6 9 20 R-S6
L-COM3 10 19 R-COM3
11 18 R-S7
L-S7
L-COM4 12 17 R-COM4
ST 13 16 DATA
15 CK
SHIFT REGISTOR
IC22–30 : YAC520-EE2
High Grad Stereophonic Digital
Volume
VREF
+
–
LIN2 12
LIN1 11 9 LOUT
VREF
256
GENERATOR
& 8 VREF
RESET
PULSE
GENERATOR
X: NOT USED DVSS 4
17 ICN
DVDD 3 L
16 TE
ZERO CONTROL
CROSS ZCEN
REGISTER 18
DETECTION
AVSS 5 R 2 SDATAO
S/P 20 SDATAI
AVDD 6 16
REGISTER
19 CSN
1 SCLK
256
RIN1 15 7 ROUT
RIN2
14
–
+
VREF
IC31–34, 36 : OP275GSR
IC35, 42 : µPC4570G2
IC38–41, 43, 44 : NJM2068MD-TE2
Dual OP-Amp
OUT 1 1 8 +V CC
–IN 1 2 7 OUT 2
+ – + –
+IN 1 3 6 –IN 2
–V 4 5 +IN
CC 2
10.2
-11.3
9.8
0
10.2
-11.3
9.8
0
10.2
-11.3
9.8
0
10.2
-11.3
9.8
0
10.2
-11.3
0
10.2
-11.3
9.8
0
10.2
-11.3
9.8
0
10.2
* All voltages are measured with a 10M Ω /V DC electronic volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.