Yamaha RXV559 - AV Receiver, Руководство по обслуживанию

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B C D E F G H I J K L M N
RX-V559/HTR-5950/DSP-AX559
88
★
All voltages are measured with a 10M /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.
VIDEO
3.4
3.4
5.0
5.0
5.0
5.0
3.4
3.4
3.4
3.3
3.3
3.1
0.9
1.1
0.2
0.1
0.3
0.1
0.7
0
3.3
0.2
0
0
0.1
0
0
0.2
0.5
0.5
0.1
0.7
0.7
3.4
3.4
3.4
3.4
2.1
0
0
1.2
1.9
0.1
0.1
3.4
3.4
3.3
3.4
3.4
3.4
0
0
3.3
0.9 1.7
1.0
1.9 3.3
0.1
3.3 3.3 3.3 3.3
1.9
1.9
1.2 0.1 0.5
1.7
0
3.3 3.3 3.3 3.3 1.9
0
1.9
1.9
1.9
0
3.4
0
4.9 3.4 5.0
4.9 3.4 5.0
0 0
0.7
1.6 3.3
3.3
3.3 3.3
3.4
0 0
0
3.4 1.7
0
3.1
1.9
1.2
0.1
0.5
0.2
0.2
1.1
0.9
3.4
3.4
0.1
3.4 3.4 3.4
1.7
1.2 3.1 3.4 0 0 3.4 3.3
0.4
5.0
0.7
0
0.4
5.0
0.7
0
0.3
5.0
5.0
-0.4
0.3
1.1
5.0 5.0 5.0 1.0
0
0
5.0 5.0
2.0
2.0
1.7
0 0 2.5
5.0 5.0 5.0 0.2 0.1 2.5
2.5
2.6
5.0
0
-0.5
-0.5
0.5
0
1.0
5.0
4.4
-0.6
5.0
0.1
4.4
-1.1
-0.4
0.3
1.0
-0.4
5.0 0.1
0.1
0.1
-5.0
0
0
0.1
0.1
5.0
0.1
0.1
0
0
0
0
0 0.1
0.1
0.1
0.1
0.1
0.1
5.0
0
-4.9
0
0.1
0
0.1
0
0.1
0.1
0.1
0.1
0
0.1
0.1
0.1
0.1
0.1
0
0.1
0.1
5.0
0
4.9
0
-4.9
0.1
0.1
0
0
0
0
0
0.1
0.1
0.1
0.1
0
0.1
0.1
5.0
-4.9
0.1
0.1
0
0
0
0
0
0.1
0.1
0.1
0.7
0.1
0.7
0.5
5.0
-5.0
0.1
0.1
0
0.5
0.5
0.1
0
0
5.0
1.7
4.9
5.0
-5.0
-5.0
0
0
1.5
0
0.1
0.1
0
0
0.1
0.1
0.1 4.9
4.9
0
0
0
0
0
0
0
0 0 -4.9
-4.9
-4.9 -4.9
0 0
5.0
5.0
0
0
0 4.9
0.1
2.5 2.5 2.5
4.9
2.5 2.5
0.1
0.1
0.1
4.9
C-1
A-3
to FUNCTION (2)_CB290
Page 84 H3
to MAIN (2)_W1006
Page 87 J9
to FUNCTION (1)_CB201
Page 84 C9
IC410 : NJM2885DL1-18
Low dropout voltage regulator
Thermal
Protection
Bandgap
Reference
V
OUT
V
IN
GND
1 3
2
IC402~404 : TC74HC4051AF
Analog multiplexers/demultiplexers
IC405, 407 : TC74HC4053AF
Analog multiplexers/demultiplexers
IC408 : LC74781JM-9798
On-screen display controller LSI
CS 9
RST
23
VSS1 1
SIN 11
SCLK 10
OSCIN 6
OSCOUT 7
SYNIN 17
SEPC 18
SEPOUT 19
CHARA 8
VDD2 12
SEPIN 20
CTRL3 22
XtalIN XtalOUT BLANK CVIN CVOUT CTRL2
21 2 3 5 15 13
VDD1
16, 24
Serial
parallel
converter
8-bits
latch
+
command
decoder
Horizontal
character
size
register
Horizontal
size
counter
Horizontal
display
position
register
Horizontal
dot
counter
Vertical
display
position
register
Vertical
dot
counter
Blinking
and inversion
control
register
Blinking
and inversion
control
circuit
Vertical
display
position
register Horizontal
display
position
register
Character
control
counter
Line
control
counter
Timing generator
Synchronisation
signal generator
Character output control
Background control
Video output control
Display
control
register
RAM
write
address
counter
Display
RAM
Vertical
character
size
register
Vertical
size
counter
Decoder
Font
ROM
Shift
register
Decoder
Sync
dis-
criminator
Composite
sync
signal
separator
control
Character
output dot
clock
generator
Sync
separator
CTRL1
4
IC413 : LA7106M-TLM-E
Analog amplifier
15 VOUT1
13 VOUT2
11 VOUT3
10 MUTE2
9
-VCC2
12 DR CTL
16 +VCC
14 GND
2 NFB1
4 VIN2+
6 -VCC1
7 VIN3+
8 NFB3
5 NFB2
1 VIN1+
3 MUTE1
DR 6dB
DR 6dB
DR 6dB
IC401 : LA73050-TLM-E
Analog amplifier
35 N.C.
33 VOUT1
31 VOUT2
30
N.C.
29 VOUT3
32 GND
36 N.C.
34 +VCC1
2 N.C.
4 DCCNT1
6 VIN2
7 MUTE1
8 VIN3
5 GND
1 N.C.
3 VIN1
27 -VCC2
25 +VCC2
23 GND
22 VOUT5
21 N.C.
24
VOUT4
28 -VCC1
26 N.C.
10 N.C.
12 VIN4
14 GND
15 VIN5
16
MUTE2
13
DCCNT2
9 N.C.
11
N.C.
19 -VCC3
20 VOUT6
18 -VCC4
17 VIN6
DR 6dB
+Vcc
DR 6dB
DR 6dB
DR 6dB
+Vcc
DR 6dB
DR 6dB
IC406 : TC74VHCU04FT
Hex inverters
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
IC409 : NJM2885DL1-33
Low dropout voltage regulator
Thermal
Protection
Bandgap
Reference
V
OUT
V
IN
GND
1 3
2
POINT A-3 Pin 21 of IC411
POINT C-1 Pin 3 of IC408
TC74HC4051AF
TC74HC4051AF
TC74HC4051AF
TC74HC4053AF
TC74HC4053AF
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
4
6
7
5
INH
GND
V EE
V
CC
1
0
3
A
B
C
2
COM
16
VCC
6
INHIBIT
11
15
14
9
A
C
B
8 GND
7 VEE
12 0X
13
1X
2
0Y
1
1Y
5
0Z
3
1Z
LEVEL
CONVERTER
10
BINARY TO 1-OF-8
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
4
Z-COM
X-COM
Y-COM
IC411 : ADV7180BSTZ
NTSC/PAL/SECAM video decoder
IC412 : ADV7172KSTZ
Digital PAL/NTSC video encoder
VIDEO
A/D
DECODER
D/A
ENCODER
OUTPUT AMP
BYPASS
SW
OSD
S-DETECTOR
10/16
10/16
10/16
47K
47K
4
7K
WD28080
5PCH
US05050
3PCH
US06030
8PCH
US06080
3PCH
US06030
WD28090