Yamaha DSP-AX457 User Manual

A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
91
RX-V557/HTR-5850/DSP-AX557/RX-V457/HTR-5840/DSP-AX457
SCHEMATIC DIAGRAM (CONVERSION) RX-V557/HTR-5850/DSP-AX557
★ All voltages are measured with a 10MΩ/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.
★電圧は、内部抵抗10MΩの電圧計で測定したものです。
★
s印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、パーツリス
トに記載されている部品を使用してください。
★本回路図は標準回路図です。改良のため予告なく変更することがございます。
IC701, 702, 704: TC74HC4052AF
Analog Multiplexer/Demultiplexer
16
VCC
6
INH
10
A
9
B
8
GND
7
VEE
12
0X
14
1X
15
2X
11
3X
1
0Y
5
1Y
2
2Y
4
3Y
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13
X-COM
3
Y-C O M
INHIBIT
0
0
0
0
1
B
0
0
1
1
X
A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
IC703: NJM2581M
Video Amp
13
VOUT1
11
VOUT2
9
VOUT3
8
GND
10
V+3
14
V+1
12
V+2
2
NEE1
4
VEE2
6
VEE3
7
PowerSave
5
VIN3
1
VIN1
3
VIN2
75Ω
Driver
6dB
AMP
BIAS
75Ω
Driver
6dB
AMP
BIAS
75Ω
Driver
6dB
AMP
BIAS
REF
IC705: TC90A49F
3 Line Digital Y/C Separator
15
CKIN
17
FIL
24
8 fsc
4 fsc
5
AIN
Y OUT
LINE
MEMORY
C-BPF
LINE
MEMORY
+
–
C-BPF
DYNAMIC COMB FILTER
VERTICAL EDGE
ENHANCEMENT CIRCUIT
ANALOG
THROUGH MODE
C-BPF
KILLER
Y-LPF
ADC
COLOR
Y DAC
C-BPF Trap C-LPF C DAC
1/2
CLAMP
PLL
11
SDA
12
SCL
13
TEST
14
KILLER
I
2
C BUS
20
C OUT
IC708: TC74HC4053AF
Analog Multiplexer/Demultiplexer
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
INPUT STATES
INHIBIT
0
0
0
0
0
0
0
0
1
"ON" CHANNNEL (S)
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
0X, 1Y, 1Z
1X, 1Y, 1Z
NONE
C
0
0
0
0
1
1
1
1
X
B
0
0
1
1
0
0
1
1
X
A
0
1
0
1
0
1
0
1
X
Clock
CCD 1H
REF
S/H
CCD 1H
REF
S/H
Bip. Block
CCD Block
IC710: TA8772AN
Delay Syatem for Color TV or VCR
30
R-Y OUT
x1 or x1/2
Pulse
Remove
29
B-Y OUT
x1 or x1/2
Pulse
Remove
AGC
Det
27
R-Y IN
28
B-Y CLAMP
DET.
Clamp
Pulse
Ins.
Pulse
HP. GP
225fH
VCO
LPF
AGC
Clamp
26
B-Y IN
25
MODE SW2
24
MODE SW1
23
B-Y FROM
CCD
22
R-Y FROM
CCD
21
GND
20
VGG
19
VOUT1
18
VDB1
17
VDB2
16
1 2 43 5 6 7 8 9 10 11 12 13 14 15
VOUT2
R-Y CLAMP
DET.
R-Y TO
CCD
R-Y AGC
DET.
B-Y TO
CCD
VCC FILTER
ADJ.
S.C.P. IN B-Y AGC
DET.
PLL
DET.
CLOCK CLOCK IN VSS VIN1 VDD VIN2
Clamp
Pulse
Ins.
AGC
Det
LPF
AGC
Clamp
Ave
Bias
Det
1/225
32fH
VCO
NOSE
DET
H. AFC
IC711: TA1270BF
Sync Processing System
35
DAC TEST
36
GND
VCX0
V
SEP
CW
MATRIX
34
SDA
33
SCL
32
Ys
31
R-Y1 IN
30
B-Y1 IN
29
Y1 IN
28
I
2
C GND
27
R-Y2 IN
26
B-Y2 IN
25
Y2 IN
43 5 6 7 8 9 10 11 12 13 14
15
APC3.58MHz
X'tal
37
Y OUT
38
DAC2
21
M-X'tal4.43MHz
X'tal
C GND C IN V-SEP SYNC
IN
SYNC
OUT
H. AFC SYNC
GND
32fH
VCO
VD OUT HD OUT
SCP OUT
16
Dig GND
17
CP/HP IN
18
SYNC Vcc
(9V)
19
SW Vcc
(9V)
20
Y/G OUT
21
B-Y/B OUT
22
R-V/R OUT
23
ADRS SW
24
SW GND
48
R-Y/Cr OUT
47
B-Y/Cb OUT
46
SECAM CONT
45
1HDL CONT
44
fsc OUT
43
UV/CbCr SW
42
C Vcc
(5V)
41
DAC Vcc
(5V)
40
Y IN
39
DAC1
LPF / fsc
TRAP
CbCr / UV
SW
SECAM
CONTROL
ACC
fsc
APC
DAC2 Ys
TOF
SYSTEM
SW
P/N ID
DAC
TEST
DEMO
OFFSET
SW
TINT
SYNC
SEP
SUB
COLOR
CP/HP
IN
CHROMA
BLK
BPF
SW
SW
1H DL
CONTROL
PEDESTAL
CLAMP
DAC1
SCP
SW
H C/D V C/D
Y DL
Y DL
fsc
TRAP
SUB.
CONTRAST
YUV → RGB
MATRIX
Y OFFSET
SW
PEDESTAL
CLAMP
PEDESTAL
CLAMP
HI : 2ch/LOW : 24h
I
2
C BUS
CONTROL
IC712: NJM7809FA
Voltage Regulator
INPUT
OUTPUT
COMMON
R1
R2
Vref
Vcc
Driver
TSD
OCP
GND
OUTVcc
12 3
IC713: BA50BC0T
Low-Dropout Voltage Regulator with Low Saturation
IC714: NJM7905FA
Voltage Regulator
COMMON
OUTPUT
INPUT
IC706, 707: 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
4Y8
9
10
GND
IC709: TK15420M
Video Amp
–+
1
2
3
4
5
– +
6
7
8
OUT A
–IN A
+IN A
VEE
VCC
OUT B
–IN B
+IN B
A1
A2
Point: A-1 Pin 12 of IC711
Point: A-2 Pin 1 of IC711
0.1 5.0
0
0
0
0
0
-4.9
0
0
0
0
0
0
0
0
2.5
0.1
0
0.1 0.1 4.9 0.1 0
0
0
0
5.0
02.52.5 2.5
0
0
004.900
0
0
2.5
5.0
2.5 2.52.5
4.9
1.4
0
1.9
0.1
4.9
0
4.9
4.7
4.7
1.9
1.9
4.9
1.3
1.0
4.9
0.4
4.3
1.2
4.3
4.9
0
0
0
4.9
0
2.6
4.9
4.9
0
1.2
4.3
2.4
2.4
0
0
4.4
4.4
9.1
9.1
0.8
0
0
0.8 2.9
4.3
0
0
0
0
0
-4.9
0
0
4.9
-4.9
0
0
0
0
4.3
1.9
4.9
1.3
1.0
4.9
0.4
0.7
4.3
1.2
4.3
4.9
3.3
1.9
2.1
1.9
0
4.9
0
0
0
5.0
0
4.1
4.1 2.2 0 1.8 6.5 2.4 7.6 0 6.0
5.0 2.0
0 4.6
4.7 4.2 5.7 5.7 5.7
0
4.7 5.8
5.8
0
0
0
0
0
0
-4.9
0
5.1
0
0
0
0
0
0
19.2 9.1
0
0.8
5,1 8.5
-3.4 3.3
3.3
-4.9 -11.1
0
0
0
0.2
4.9
-3.4
-2.8
0
-4.9
0
-4.9
0
-4.9
4.8
5.0
0
5.0
0
5.0
0
0
to SUBTR (2)
HTR-5850: Page 89
H3
RX-V557/DSP-AX557: Page 88
H3
to SUBTR (10)
HTR-5850: Page 89
G9
RX-V557/DSP-AX557: Page 88
F9
to POWER (1)
Page 87 H5
CONVERSION
INPUT
SELECTOR
INPUT
SELECTOR
INPUT
SELECTOR
Y/C
SEPARATER
CHROMA
DECODER
1H DELAY LINE
J model
R, T, A, B, G, E, L models

Yamaha DSP-AX457 Specifications

General

Brand	Yamaha
Model	DSP-AX457
Category	Amplifier
Language	English