Yamaha RX-Z11 - AV Receiver, Service Manual

Page: 171 / 243

CB84
CB81
CB85
JK81
JK82
JK83
JK84
JK85
JK86
JK87
IC82
IC100
IC83
IC81
CB82
CB83
CB384
CB382
CB389
CB390
CB388 CB383
CB378
CB392
CB379 CB387
CB385
CB381
CB380
CB386
CB391
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
171
★
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 1/2
A-1
0
5.0
0
4.9
0
5.0
0
5.0
5.0 1.1 5.0 5.0 5.0
0
5.0
0
1.4 1.8
0
5.0 0.1
0
0
5.0 5.0
5.0 5.0
0 0 0
0
5.0
0
5.0
0 5.0
5.0
0
9.4
0
-9.1
0
11.3
11.7
5.0
0
-9.1
0
5.0
5.0
0
5.0
0.1
2.6
-2.4
-9.5
9.4
0
11.8
12.0
0.1
0
12.0
11.3
11.3 11.7
5.0
11.8
12.0
0
0
0
0
0
0
0
5.0
5.0
0
0
0
0
12.0
5.0
9.8
4.9
0
0
1.8
0
5.0
5.0
4.4
1.4
0
1.6
0
0
5.0
5.0
0
0
5.0
5.0
5.0
5.0
0
5.0
0
0
0
0
0
5.0
5.0
5.0
5.0
5.5
0
4.9
0
3.3
2.1
2.3
0
5.0 5.0
5.0
0
5.0
0
5.0
0
5.0
1.6
1.8 5.0
5.0
1.4
1.1
0.8
0
0.7
5.0
5.0
0
5.0
5.0
5.0
5.0
0
0
0
0.8
0 0
0.7
1.8 1.4 1.6 0.8 0.7
0 5.0
5.0
5.0
5.0
5.0 5.0 5.0 5.0 5.0 1.0
1.0
0
0
0.6
0
0
5.0
5.0
5.0
5.0
0
5.0
5.0
5.0
4.9 4.5 4.4
9.4
0
0.2
5.0
5.0
5.0
5.0
5.0
5.0
0
4.5
4.4 0
0
0
5.0
5.0
0.1
3.3 4.3
5.0
5.0
4.3
5.8 5.0
5.8
9.1
5.0
5.8
0
0
5.0
0
0
12.0
11.1
11.9
-12.0
-12.3
0
12.0
11.1
0
12.0
11.1
0
0
12.0
11.8
12.0
10.9
11.9
-12.0
-12.3
0
0
12.0
0
0
11.9
0
5.0
0
0
5.0
0
0
5.0
0
0
5.0
0
0
0
11.9
0.8
0.7
0.9
1.0
0
0
0
0.6
4.9
5.5
4.5
4.4
0
9.4
1.6
4.4
-12.3
-12.3
11.0
-12.3
11.0
11.8
10.9
0
11.1
0
12.0
5.0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 12.3 0 0
-12.1
0 0 0
0 0
0
2.0 2.5 2.1
0
3.3
0
5.3
0
12.4
12.4
3.3 3.3
0
1.6 3.2 3.2 3.1 3.3
0 5.3 0 12.4 0
2.1 2.5 2.1
0
3.3
3.3
0
0 0 0 12.1 12.3
-12.1
12.3
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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0
1.6 3.2 3.2 3.1 3.3
0 1.7 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 1.3 1.3 1.3 1.3 1.7
1.7 0 1.7 0 0 0 0 0 0 0 0 0 0 1.7 0 0 0 1.7 0 1.7 0 0 1.7 0 1.7 1.6 0 0 1.7 1.3 1.6
1.7 0 1.7
1.7
0 0 0 0 0 0 0 0 0 0
1.7
0 0 0 0 1.3 0 1.3 1.3 1.3 1.7
0 1.7 0 1.7 0 0 0 1.7 0 1.7 0 0 0 1.7 1.6 1.6 1.7 1.3 0 0 0
1.7
AD IN
AD IN
DASB
C
DAS
DASW
DAC
DAF
FL
SL SWL
SBL
IC100 : M38039FFLHP#U0
Sub-microprocessor
Single chip 8-bit microprocessor
P6 (8)
A/D
converter
(10)
PWM
(8)
I/O port P6
5 6 7 8 9 10 11 4 3 2
P0 (8)
I/O port P0
50 51 52 53 54 55 56 49
P2 (8)
I/O port P2
(LED drive)
34 35 36 37 38 39 40 33
P5 (8)
INT3
VREF
XIN
Main
clock
input Main
clock
output
Sub-clock
input Sub-clock
output
AVSS
INT00
INT01
INT41
INT1
INT2
INT40
P3 (8)
I/O port P5 I/O port P3
13 14 15 16 17 18 19 57 58 59 60 61 62 63 64 12
P4 (8)
I/O port P4
21 22 23 24 25 28 29 20
SI/O2
(8)
ROM A
MICROPROCESSOR
RAM Clock generating circuit
SI/O1
(8)
D/A
converter
2 (8)
D/A
converter
1 (8)
SI/O3
(8)
P1 (8)
I/O port P1
42 43 44 45 46 47 48 41
X
Y
S
PC L PC H
PS
Timer Y (8) Prescalar Y (8)
Timer Z (16)
Prescalar X (8)
Prescalar 12 (8)
Timer X (8)
Timer 2 (8)
Timer 1 (8)
30 27 26
XCIN
28
XOUT
31
XCOUT
29
VSS
Data bus
32
VCC CNVSS
CNTR0
CNTR1
CNTR2
RESET
Reset input
1
* INTERNAL 400kW PULL-UP RESISTOR
ON EACH TTL/MOS INPUT
**
INTERNAL 5kW PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
VCC
+5V TO +10V
VOLTAGE DOUBLER
+5V TO –10V
VOLTAGE INVERTER
C1+
C1–
V+
V–
C2+
C2–
T1
ADM2xx
T2
R1
R2
0.1
µ
F
0.1
µ
F
0.1 µ F
GND
TTL/CMOS
OUTPUTS
R1OUT
R2OUT
T1OUT
T2OUT
R1IN
R2IN
T1IN
T2IN
TTL/CMOS
INPUTS
*
RS-232
OUTPUTS
RS-232
INPUTS **
0.1
µ
F
+5V INPUT
0.1 µ F
EN
SHDN
(ADM242)
(ADM222, ADM242)
IC82 : ADM222ARZ
High speed RS-232 line drivers/receivers
IC81 : M24256-BRDW6TP
512k-bit and 256l-bit serial I
2
C bus EEPROM with three chip enable lines
2
1 8
7
6
5
3
4
E0
E0-E2
E1
Vss
Vcc
Vcc
3
Vss
SDA
WC
SCL
SCL
SDA
E2
WC
2
1
3
V OUT
GND
V IN
–
+
IC83 : RH5RE58AA-T1-FA
Voltage regulator
Vref
POINT A-1 XL100 (Pin 23 of IC100)
SUB
MICROPROCESSOR
EEPROM
(U model)
SUBCPU (3)
SUBCPU (1)
SUBCPU (2)
SUBCPU (4)
DRIVER
REGULATOR
注意）IC81 EEPROMを交換すると、ユーザーメモリー（音場プログラムのパラメーターや
システムメモリー、チューナープリセット等）は消えてしまいます。
Note) Replacing IC81 EEPROM will clear the user memory (parameters, system memory,
tuner preset, etc. of the sound field program).
to DSP_CB784
to HD radio tuner
Page 161 J4
to FUNCTION (2)_CB255
Page 163 G7
to INPUT (1)_CB207
Page 165 L3
to INPUT (1)_CB206
Page 165 L3
to FUNCTION (2)_CB254
Page 163 G9
to INPUT (1)_CB254
P
age 165
K8
to FUNCTION (2)_CB256
Page 163 G6
to FUNCTION (1)_CB302
Page 162 F2
to FUNCTION (1)_CB303
Page 162 F3
to INPUT (1)_CB201
Page 165 D4
to INPUT (1)_CB202
Page 165 D5
to INPUT (1)_CB203
Page 165 D6
to FUNCTION (2)_CB251
Page 163 B9
to DSP_CB785
Page 161 K4
to AMPPOW (1)_W123
Page 170 B8
to AMPPOW (1)_W124
Page 170 B8
to DVIDEO (1)_CB815
(Writing port)
(For factory)
RS-232C
TRIGGER
OUT
Page 176 G9
REMOTE