Yamaha RX-V3200, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
E-79/J-73
RX-V3200/DSP-AX3200
SCHEMATIC DIAGRAM (OPERATION)
★ All voltages are measured with a 10MΩ /V DC electric volt meter.
★ 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.
8 7 6 5 4 3 2 1
OUT1
–Vcc
+IN2 –IN2
OUT2
+Vcc
–IN1 +IN1
IC802: NJM2068L-D
Dual OP-Amp
IC804: NJM4556AL
Dual OP-Amp
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
IC901: LC75712E FLD
FL Display Driver
DI
SHIFT REGISTER
CG
ROM
DC
RAM
Ｃ
Ｏ
Ｎ
Ｔ
Ｒ
Ｏ
Ｌ
Ｌ
Ａ
Ｔ
Ｃ
Ｈ
64
CL 63
CE
Ｌ
Ａ
Ｔ
Ｃ
Ｈ
Ａ
Ｎ
Ｏ
Ｄ
Ｅ
Ｄ
Ｒ
Ｉ
Ｖ
Ｅ
Ｒ
62
TEST 56
VFL
55
VDD
60
VSS
57
RES
61
OSCI 59
OSCO
58
CG
RAM
AD
RAM
ADDRESS
COUNTER
ADDRESS
REGISTER
GRID
CONTROL
GRID
REGISTER
AM1
AM2
AM35
Ｄ
Ｅ
Ｃ
Ｏ
Ｄ
Ｅ
Ｒ
Ｇ
Ｒ
Ｉ
Ｄ
Ｄ
Ｒ
Ｉ
Ｖ
Ｅ
Ｒ
G1
G2
G10
G11
AA1
AA2
AA3
AA4/G16
AA5/G15
AA6/G14
AA7/G13
AA8/G12
BRINK
GENERATOR
DUTY
GENERATOR
BLINKCYCLE
REGISTER
DISPLAY
CONTROL
DISPLAY
REGISTER
DUTYCYCLE
REGISTER
CONTROL
INSTRUCTION
DECODER
DIVIDER
TIMING
GENERATOR
OSC
1
2
35
36
37
38
39
40
41
42
43
44
45
53
54
FL DRIVER
TONE CONTROL BASS EXTENTION
IR
REMOTE
PHONES
MUTE
PHONES
REC OUT
SELECTOR
FL DISPLAY
E-85/J-79
G5
E-84/J-78
D1
E-82/J-76
B1
E-78/J-72
G1
IC803: µPC4570HA
Dual OP-Amp
Vcc Vo
1
-Vm
1
+Vm
1
V
EE
+Vm
2
-Vm
2
Vo
2
Vcc
1 2 3 4 5 6 7 8 9
+ + - -
1 2
E-78/J-72
I7
E-83/J-77
To POWER (1)
B5
x: NOT USED
O: USED / APPLICABLE
VOLUME
1
7
8
8
7
3
4
7
6
1
8
2
5
6
5
2
3
1
4
3
2
6
5
4
E-80/J-74
D1
E-78/J-72
B1
E-81/J-75
I3
-27.1
~ ~
-14.2 -14.5
~
-20.4 -20.5 -20.5 -34.2 -31.8 -34.3 -14.1 -18.4 -28.1 -28.1 -28.1 -13.4 -13.0 -29.2 -28.0 -28.1
~ ~ ~
-13.5 -16.6
~ ~
-30.9 -33.6 -33.6 -30.6 -27.9 -27.7 -30.7 -30.7 -24.2 -32.4 -32.4 -32.2 -32.2 -32.3 -32.2 -32.2 -32.2 -32.2 -32.2 -32.2 -32.2 -32.2 -32.2 -32.2 -32.3 -27.1
-27.1
-27.1
0
~
-17.5
-14.2
~
~
-32.2
-32.4
-32.2
-32.2
-32.2
-32.2
-32.2
-32.2
-32.2
-32.2
-16.0
~
~
-13.5
-16.6
~
~
-30.7
-33.6
-33.6
-30.6
-27.9
-27.7
-30.7
-32.0
-29.2
4.9
-27.6
-34.3
4.9
-33.4
-31.8
4.9
-30.5
-34.2
4.9
-33.3
-24.2
4.9
~
~
4.9
-27.5
-34.7
-16.0
~
0
4.9
-32.5
-32.2
4.9
-32.0
-32.4
0
5.0 5.0
-20.4 -20.5 -20.5 -33.5 -30.5 -14.1 -33.4 -18.4 -28.1 -28.1 -28.1 -13.4 -13.0 -27.6 -28.0 -28.1
-32.2 -32.0 -32.0 -32.0 -32.0 -34.7 -32.3
0 0
2.4 2.4 4.8 4.8 4.8 4.8
0
-9.5
0
0
0
0
0
4.9
4.2
4.2
4.2
4.9
0
0
0
0
0
0
0.7
9.4 10.1
0
0
0
0
0.7
0
0
0
0
0
-11.8
4.8
8.5
0
8.5
0
8.5
0
0
0
0
8.5
0
8.5
0
-8.5
0
0
4.8
0
8.5
8.5
0
0
0
0
11.8
0
0
11.8
-11.8
0
0
0
-9.5
0
0
0
9.4
0
0
-10.1
FRONT L