Yamaha RX-V4600/DSP, Руководство по обслуживанию

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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-V4600/DSP-AX4600
SCHEMATIC DIAGRAM (DUAL 3/3)
99
★
All voltages are measured with a 10M
Ω
/V DC electronic 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.
0.6
0.6
0.1
0
0
0
0
0
0.7
3.3
3.3
3.3
0
0
3.3
4.8
0.1
0
0.1
0
0
0
0
5.0
5.0
2.6
2.6
5.0
3.3
7.1 5.0
7.1 5.0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.7
0.1
0.1
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
1.4
1.6
0
0
0.1
0.1
0.1
0.1
3.3
3.3
3.3
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.1
2.1
2.2
2.0
1.6
1.6
1.5
1.8
1.8
1.7
1.7
1.7
1.4
2.3 1.3 1.8 1.8 1.9 1.9 1.4 1.4 0 0 3.3
3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 1.7 0.1 0.1 0.1 0 0 0 0.1 0.1 0.1 0.1 0.1 0.1
0.1
3.3 3.3 0.1 1.9
2.1
2.5
2.8
3.1
0
0
1.8 1.6 1.6 2.1 1.1 0.1 0.1 0.1 0.1 3.3
1.7 1.7 1.7 1.7 1.4 1.4 1.4 1.5 1.3 1.9 1.9 1.9 1.8 1.8 1.8 2.0 2.3 2.2 0 3.3 3.3 0.1 3.3 0
2.1 0.1 0.1 0.1 0.1 3.3 3.3 3.3 3.1 2.8 2.5
3.3
POINT B-3 Pin 20 of IC319
B-3
DUAL
(HDMI)
Page 90
to OPERATION (8)_CB467
I4
P
a
ge 95
to CONTR
OL_CB510
F8
V
SS
V
CC
WE
CE
A
0
to A
17
OE
Erase Voltage
Generator
DQ
0
to DQ
15
State
Control
Command
Register
Program Voltage
Generator
Low V
CC
Detector
Address
Latch
X-Decoder
Y-Decoder
Cell Matrix
Y-Gating
Chip Enable
Output Enable
Logic
Data Latch
Input/Output
Buffers
STB
STB
Timer for
Program/Erase
A
-1
BYTE
RESET
RY/BY
Buffer
RY/BY
A
15
A
14
A
13
A
12
A
11
A
10
A
9
A
8
N.C.
N.C.
WE
RESET
N.C.
N.C.
RY/BY
N.C.
A
17
A
7
A
6
A
5
A
4
A
3
A
2
A
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A
16
BYTE
V
SS
DQ
15
/A
-1
DQ
7
DQ
14
DQ
6
DQ
13
DQ
5
DQ
12
DQ
4
V
CC
DQ
11
DQ
3
DQ
10
DQ
2
DQ
9
DQ
1
DQ
8
DQ
0
OE
V
SS
CE
A
0
IC318 : MBM29LV400BC70PFTN
FLASH MEMORY
V
CC
TC
V
OUT
GND
SUB
IC320 : PST9242NR
System Reset
IC321, 326 : SN74AHCT1G125DCKR
Single Bus Buffer Gate
1
2
3
OE
A
GND 4
5 VCC
Y
Start-up
circuit Reference
voltage
Thermal
shut down
Error
amp.
Drive
circuit
Saturation
protection
Safe operating
area protection
OUTPUT
GND
INPUT
Over current
protection
IC322 :
µ
PC2905AT
THREE-TERMINAL LOW DROPOUT VOLTAGE REGULATOR
3
2, 4
1
IC324 : SN74LVC2G17DCKR
Dual Schmitt-Trigger Buffer
1
2 5
3
1A
GND
2A 4
6 1Y
VCC
2Y