Yamaha RX-E100, Руководство по обслуживанию

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A B C D E F G H
1
2
3
4
5
6
I J K
7
8
RX-E100
■
SCHEMATIC DIAGRAM (MAIN)
* All voltage are measured with a 10M
Ω
/V DC electric 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.
INPUT SELECTOR
BUFFER
REGULATOR
MOTOR DRIVE
MAIN POWER SUPPLY
SUB POWER SUPPLY
REGULATOR
FAN DRIVE
TONE CONTROL AMP
POWER AMP
MUTE
MUTE
PROTECTION
AUDIO DETECTOR
MUTE DRIVE
THERMISTOR
DRIVE
TUNER(Lch)
11.9
11.9
11.5
14.1
0
13.9 13.9
0.7 0.5
0
14.2
35.6
37.6
14.7
0
-37.7
-37.7
0
0
0
-14.8
-14.8
-27.4
-14.3
23.9
0
11.9
37.6
37.6
10.3
14.2
3.0
3.0
0
9.7
37.1
37.1
37.5
37.5
0
0
0
0
37.1
1.1
0.5
37.6 0.5
0
0
-0.5
-37.7
-0.5
-1.1
-37.7
37.6
37.5
37.5
0
0
0
37.5
37.2
0
0
0
0
0
0
0.7
-29.1
-29.7
0
0
0.5
0.7
0.5
11.9
0 0 0 0
14.2
-14.3
0 0
4.8
0.1
0.1
0
14.2
0.1
0.1
0
-14.3
1.8
2.4
1.2
0.5 0.5
0 0
-2.4
0 0
0.6
-36.3 -37.2
0 0
0.6
-36.4 -37.2
0 0
-36.4
-1.1
-37.0
-36.3
-37.0
-1.1
-1.1
-0.5
-37.7
-0.5
0
-37.7 0
0
0
37.2
0
0
37.6
37.1
0 0
-0.1
0 0
-0.1
0.5
-37.6
0
1.0
37.2
0.5
-1.1
1.1
-0.4
-1.1
1.1
-0.4
-2.4
0 0
0
14.2
0
0
0 0 0
0
0 0
0 0 0
0
0
0
14.2
0
0
0
-14.3
0
0 0 0 0
0 0
0 0
0
AC12.0
0
0.7
0
AC4.4
AC58.4
CIRCUIT CHANGES BY MARKET
O : USED
X : NOT USED
E-28/J-26
IC101 : NJM2068L-D
Dual OP-Amp
–
IN
1
2
+IN
1
3
–
V
CC
4
+IN
2
5
–
IN
2
6
OUT
2
7
+V
CC
8
OUT
1
1
–
+
–
+
IC104 :
µ
PC4570HA
Dual OP-Amp
V
O1
2
–Vm
1
3
+Vm
1
4
V
EE
5
+Vm
2
6
–Vm
2
7
V
O2
8
V
CC
9
V
CC
1
1
– + – +
2
IC100 : LC78211
Analog Function Switch
L2
L4
L3
LCOM1
L1 1
2
3
4
5
L6
LCOM2
L5 6
7
8
L8
LCOM3
L7 9
10
11
V
DD 19
V
SS
16
V EE 12
RES 18
S 17
LEVEL SHIFTER
LATCH
SHIFT REGISTER
R2
R4
R3
RCOM1
R1
R6
RCOM2
R5
R8
RCOM3
R7
20
22
30
29
28
27
26
25
24
23
21
CONTR
OL
15 CL
14 D1
13 CE
2 3
P1
5 IN 1
1 GND
4 VZ
6 IN 2
OUT
1
8
VCC 2
10
OUT
2
9
P2
INPUT LOGIC
PRE DRIVER
7
VCC 1
IC103 : LB1641
Motor Driver
P-E27/J25
[H-4]
P-E26/J24
[I-5]
P-E27/J25
[C-8]
P-E27/J25
[F-1]
P-E27/J25
[F-8]