Yamaha RX-Z11 - AV Receiver, Service Manual

Page: 172 / 243

CB376
W1053
CB377
CB374
IC372
CB371
CB372
IC371
CB373
CB375
CB999
CB991
CB993
CB992
W9902
W9904
CB994 CB995
CB996
CB997
CB998
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
172
★
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.
SUBCPU 2/2
3.3
0
3.3 5.0 4.9 5.0
0
3.3 3.3
0
3.3
0
3.3
0
3.3 0.1 3.3
0
3.3
0 0
5.0 3.3 5.0 5.0
0
0
5.0
0
0
9.9 5.0 5.0 4.9
0 0 0 0
5.0
0 0 0
4.8 4.8 4.9 3.3
0
0 0 0
0 0 5.0 3.3 5.4 0 0 0 0 0 0 0 0
0
1.7
1.7 0 0 3.3 0 3.3
12.4
0
0
4.9
-12.1
3.3
0.1 3.0
0.1
3.0
4.9
3.0
4.9
4.9
4.9
-12.1
4.9
4.9 4.9
4.9
4.9
0
4.9
4.9
0
0
0
0
0
0
0
0
0
0
3.3
3.3
4.9
0
0
0
0
4.9
0
3.3
5.0 0 3.3 -12.0 -12.1 -12.0 -12.0 -12.1 4.8 0 0 0 0 0
4.9
4.7
4.9
0
0.5
4.9
4.7
4.9
0
0.5
4.9
4.7
4.9
0
0.5
4.9
4.7
4.9
0
0.5
0
4.9
4.9
0
0
-12.1 3.3 4.7 4.9 4.9 4.9 4.8 4.8 4.8 4.8 -12.0 -12.0 -12.0 4.8 0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
-12.0
4.9
0.5
0.5
4.8
4.9
0
4.9
4.9
4.9
-12.0
4.9
4.9
4.9
0.5
0.5
4.7
4.9
0
4.9
4.9
4.9
-12.1
4.9
4.9
4.9
4.7
0.5
0.5
4.9
0
4.9
4.9
4.9
-12.1
4.9
4.9
4.9
4.9
4.9
-12.1
4.9
4.9
4.9
4.9
4.9
4.9
-12.1
4.9
4.9
4.9
4.9
4.9
4.9
4.9
-12.0
4.9
4.9
4.9
4.9
-12.0
4.8
4.8
4.9
0
4.9
0
4.9
4.9
4.9
0
4.9
0
0
0
3.3
0
4.9
4.9
4.9
4.9
4.9
3.3
4.9
9.9
10.2
10.2
0
12.4
0
0
0
0 0 0
-34.3
5.0
0
3.3 5.0 5.0 5.0
0
5.0
0 0
3.3
0 0 0
3.3 3.3 3.3
0 0 0 0
3.3 3.3 5.0 3.3
5.0
3.3
3.3
3.3
0
0
0
0
3.3
3.3
0
3.3
0
0
3.3
0
5.0
0
5.0
0
5.0
5.0
0
3.3
-34.3
5.0
0 0
-12.0
12.1
0 0 0
0 0 0 0 0
0
5.0
0
0
0
0
5.0
0
0
0.1
4.2
0
0
0
-12.0
12.1
0
0
0
0
0
0
0
0
0
0
5.0
0
0
0
5.0
0
0.1
0
0
4.2
(U, C, A models)
SUBCPU (6)
SUBCPU (7)
SUBCPU (8)
SUBCPU (5)
ANTENNA-1 HD-RADIO
ANTENNA-2
IC371, 372 : LC709004A-TLM-E
I/O-expander for microcontroller
Control logic
port 0 I/O buffer
Serial/parallel converter/shift register
I/O control/output register
DIN
VDD
DOUT
VSS
CLK#
CS#
RES#
P00 P07
2 14
15
19
3
4
21
24 17
port 1 I/O buffer
P10 P17
15 8
to DSP_CB786
Page 161 M5
to AVIDEO (2)_W1053
Page 174 L3
to INPUT (1)_CB204
To Tuner
Page 165 D2
to FUNCTION (2)_CB253
P
age 163
E1
to DSP_CB695
Page 161 F7
to DVIDEO_CB805
Page 178 B2
to INPUT (1)_W2001
Page 165 C10
to AVIDEO (2)_W1051
Page 174 B3
to FUNCTION (1)_W3001
Page 162 C9
to DVIDEO (1)_CB629
Page 176 G10
to OPERA
TION (1)_W401
P
age 164
H3
to OPERA
TION (2)_CB460
P
age 164
J7
to D
VIDEO (2)_CB904
P
age 179
N2
to D
VIDEO (2)_CB905
P
age 179
N4
to OPERA
TION (2)_W4502
P
age 164
J10
to FUNCTION (1)_CB301
Page 162 F10
to FUNCTION (1)_CB304
Page 162 G10