Yamaha RX-V559, Руководство по обслуживанию

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A
1 2 3 4 5 6 7 8 9
10
BCD
E
F
G
H
I
J
K
L
MN
RX-V559/HTR-5950/DSP-AX559
82
★
All v
oltages are measured with a 10M
Ω
/V DC electronic v
olt meter
.
★
Components ha
ving special char
acter
istics are mar
k
ed
s
and m
ust be replaced
with par
ts ha
ving specifications equal to those or
iginally installed.
★
Schematic diag
ram is subject to change without notice
.
DSP 2/3
DIGIT
AL IN
ANALOG IN
PL/PR
FL/FR
SBL/SBR
C/SW
SL/SR
0.1 5.0 0 4.0 0 4.9 0.3 0 4.9 0.3 0 4.9
2.4
2.4
0.6
5.0
0
04
.9
0
04
.9
0
0.1
0 0
0.3
0
3.3
0.3 0.6
0
3.3
0 4.0
3.3
3.3
3.3
0
0
3.3
1.6
1.5
1.7
3.3
0
0
3.1 1.3 1.3
3.1
0
3.1
0
3.3
5.0
3.3
5.0
0
0
3.3
0
1.7
0
3.3
1.7
0
1.7
0
0
3.3
0
3.3
0
5.0
3.2
0.1
3.1
0.9
3.3
0.6
5.0
0.9
3.5
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
0.5 0
5.0 0
0
0.1
3.1
3.2
0
0.1
0.1
0.1
0.1
0
3.3
3.3
0
0.5
0.1
5.0
0
5.0
5.0
5.0
3.3
3.3
0
0
0
0
1.7
0.1
0
0
0 0
1.2 1.7 3.3
0
1.7
0
3.3
0
1.2 1.7
0
3.3 1.2
0 0 0
1.2
0
3.3 3.3 3.3
0
3.3 3.3 1.2 3.3 3.3
0
0 0
0
0
3.3 3.3 1.2
3.3
0
3.3 0 3.3
0
3.3
0.4
3.3
0.1
1.2
0.1 0.1
0
3.0 1.6
1.2
1.8
0 3.3
2.8 2.9
0 1.2
0.1 0.1 0.1
3.3
3.3
3.3
2.9
0
0.1
3.3
0.1
1.2
0.1
0.2
0
0.2
3.3
0.1
0.2
1.2
0
0.1
0.1
1.2
0.2
0.2
0.1
3.3
0
0.2
0.2
1.2
0.2
2.9
3.3
0
1.7
3.3
0
1.7
0
1.7
1.7
0
1.7
0
0
3.3
0
0
0
1.2
0.1
1.3
0
1.2
3.1
0.9
3.3
0
1.2
3.3
3.3
0.4
0
1.7
1.7
1.7
0
0.5
3.3
3.3
3.3
0
3.3
0.2 0.1
0
0.2 0.2 3.3 0.2
0 0.1
0.1 0.1 3.3 2.9
3.3
3.3 3.3
0
3.3 0.4
0.1 0.1 0.1 3.0
3.3
0
0.1
0.1 0 0.2 0.2 3.3 0.1
0
0.2
0.2
0.2 3.3
2.9
1.7 3.3
0.1 0.1 2.9 2.8 1.8 1.6
0
0.1
0 0
0.1 0.4 0.1
0.1 2.9 3.3
3.3
0
0
2.8 1.8 1.6 3.0 0.1 0.1 0.1
0 3.3 0 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 3.3 0.1 0.2 0.2 0.2 0.2 0.1 0.2 0.2 3.3 0 3.3 3.3
A-2
0
0
0
0
0.2
0.2
0.2
0.2
1.8
1.8
1.8
0
0
0
3.5
3.5
3.3
3.5
1.5
1.5
1.5
1.5
0
0 0
3.5 3.5
3.5
3.5
3.5
3.5 3.5
0 0 0 0
0
1.9
1.8
0.2
A-1
00
0
5.4
0.1
0.1
DSP
No replacement par
t a
v
ailab
le
.
サービス部品供給なし
XMDT
DIR
B
UFFER
16M SDRAM
4M R
O
M
SELECT
OR
S29AL004D70TF1020
IC54
: NJM2885DL1-33
Lo
w dropout v
oltage regulator
Th
e
rm
a
l
P
rotec
ti
on
Ba
n
d
g
a
p
Re
fe
re
n
c
e
V
OUT
V
IN
GND
13 2
4B
13
4A
12
4Y
11
3B
10
3A
9
3Y
8
1B
2
1Y
3
2A
4
2B
5
2Y
6
GN
D
7
IC63
: SN74AHCT08PWR
Quadr
uple 2-input positiv
e-AND gates
Vc
c
14
1A
1
Y
4
B2
GN
D
3
IC61,
62
: SN74AHCT1G32DCKR
Single 2-input positiv
e-OR gate
Vc
c
5
A1
IC64
:
W9816G6CH -7
512K x 2 banks x 16 bits SDRAM
CLOCK
B
U
FFER
ADDRESS
B
U
FFER
CLK
35 18
CKE
34
A10
20
CS
17
RAS
16
CAS
15
WE
21
A0 〜
24
A3
27
A4 〜
32
A9
19
BA
2D
Q
0
3D
Q
1
5D
Q
2
6D
Q
3
8D
Q
4
9D
Q
5
11
DQ6
12
DQ7
39
DQ8
40
DQ9
42
DQ10
43
DQ11
45
DQ12
46
DQ13
48
DQ14
49
DQ15
14
LDQM
36
UDQM
COMMAND DECODER
REFRESH
COUNTER
REFRESH COUNTER
DQ
B
U
FFER
COLUMN
COUNTER
MODE
REGISTER CONTR
O
L
SIGNAL
GENERA
T
O
R
CELL ARRA
Y
BANK #0
R O W D E C O D E R
COLUMN DECODER SENSE AMPLIFIER
CELL ARRA
Y
BANK #1
R O W D E C O D E R
COLUMN DECODER SENSE AMPLIFIER
IC52
: SN74L
VU04APWR
He
x in
v
e
rt
ers
1A 1Y 2Y
VCC
6A
1 2 3 4
11
2A
6Y 5A
12 13 14
3A 3Y
5Y 4A
5 6 7
4Y
8
9
10
GND
1
DIR
A1 A2 A3 A4 A5 A6 A7 A8
GND
Vcc OE B1 B2 B3 B4 B5 B6 B7 B8
2 3 4 5 6 7 8 9
10
20 19 18 17 16 15 14 13 12 11
IC65
: SN74L
V245APWR
Octal b
u
s tr
ansceiv
er with 3-state outputs
Input
Selector
RXOUT
RX0 RX1 RX2 RX3 RX4
RX5/VI
RX6/UI
LPF
TMCK/PIO0
TBCK/PIO1
TLRCK/PIO2
TD
A
T
A/PIO3
TXO/PIOEN
Cbit, Ubit
Microcontroller
I/F
Data
Selector
Cloc
k
Selector
Modulation
&
P
a
ra
llel P
o
rt
PLL
XIN
XOUT
XMCK
CKST
SLRCK SBCK RLRCK RBCK RMCK SDIN RD
A
T
A
RERR DO
XMODE
CI
CE
CL
INT
A
UDIO/V
O
EMPHA/UO
1/N
Demodulation
&
Loc
k detect
1 2 3 4 5 8 9
10 13 44 45 46 47 48
29
28
27
34
23 22 20 17 16 24 21 36 37
41
38
39
48
35
33
32
IC56
: LC89057W
-VF4A-E
Digital audio interf
ace tr
ansceiv
er
IC53
: R1172S121D-E2-F
P
o
w
er supply
V
DD
CE
Vref
Current Limit
V
OUT
GND
2 3 5 6
11 10 14 13 15
1
G
A/B
4B 4A 3B 3A 2B 2A 1B 1A
4 7 9
12
1Y 2Y 3Y 4Y
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10
9
A
/B
1A 1B 1Y 2A 2B 2Y
GND
V
CC
G 4A 4B 4Y 3A 3B 3Y
IC58
: SN74L
V157APWR
Quadr
uple 2-line to 1-line data selectors/m
ultiple
x
ers
Y
4
B2
GN
D
3
IC59
: SN74AHC1G08DCKR
2-input positiv
e-AND gate
Vc
c
5
A1
POINT
A-2 Pin 29 of IC56
POINT
A-1 Pin 28 of IC55
A1
A15
NC
A14 A13 A12 A11 A10
A9 A8 NC NC
WE#
RESET#
NC NC
R
Y/BY#
A17
A7 A6 A5 A4 A3 A2
1 16 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 9 10 11 12 13 14 15
A16
DQ2
BYTE# V
SS
DQ15/A-1 DQ7 DQ14 DQ6 DQ13 DQ9 DQ1 DQ8 DQ0
OE# V
SS
CE# A0
DQ5 DQ12 DQ4
V
CC
DQ11 DQ3 DQ10
48 33 47 46 45 44 43 42 41 40 39 38 37 36 35 34 25 32 31 30 29 28 27 26
IC66
: S29AL004D70TF1020
4M-bit COMS 3.0 v
olt-only boot sector flash memor
y
no_use (HTR-5950 model)
100/16
100/16
100/16
&6
XM
R407
10K
C416
0.1