Yamaha DSP-AX457 User Manual

2
ABCDEFGH I J
1
3
4
5
7
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
6
52
■ BLOCK DIAGRAM (1/2) RX-V557/HTR-5850/DSP-AX557
Analog
RX2
RX3
RX4
RX5
RX6
RXOUT
RDA
Buffer
TC74HCT04A
*VDD=3.3V
IC1
Buffer
74VHCT00AMTCX
*VDD=5.0V
IC3
XMDT
I2S
IC1
AK4384ET
2ch DAC
IC25
Zone2 Selector
BD3841FS
IC302
FM/AM
TUNER
(11)
7.2MHz
MD/CD-R
DVD
DTV/CBL
CD
1B
1A
1Y
FM/AM
FL/FR
C/SW
SL/SR
IC19
IC21
IC20
Digital
AXR1(0)
AXR0(8)
MD/CD-R
4A
4B
4Y
4
5
8
9
10
AXR1(5)
FL/FR
SL/SR
SBL/-
C/SW
AXR1(3)
AXR1(2)
AXR1(1)
21
IC18
IC26
XM
RX-V557 (U, C, A, B, G, E models)
143
152
3
2
27,28
25,26
23,24
21
6
7
8
12
9
31,32
4
31
1,10
1
13
14 12
Att.
-9dB
CD
MD/CDR
DVD
DTV/CBL
VCR
MD/CDR
VCR1
ZONE2
MULTI CH INPUT
REC OUT
POWER AMP
C871,874
C138,139
C140,141
C143,142
C145
C144
Surround Back
Surround L/R
Center
Sub Woofer
SPEAKER RELEY
V-AUX
IC306
MUTE CONTROL
(RX-V557)
Muting
Q751,752,
754,755
LC89057W
DIR
IC2
Selector
SN74LV157APWR
IC7
D60YA003BPYP225
Main Decoder
IC5
16M SDRAM
IC6
4/8M ROM
IC8
INPUT SELECTOR
7ch SELECTOR
INPUT GAIN (0dB~7dB)
MASTER VOLUME (-95dB~0dB)
OUTPUT GAIN (0dB~17dB)
Tone
Control
Center
23,24
12,13
2-11,74,75
26-30,32
76-79 15-19,21
51
53,54
49,50
48
46
Surround L/R
Surround Back
SW
Center Mix
LFE Mix
SELECTOR / VOLUME
BD3816K1 IC301
IC303
IC304
MUTE CONTROL
Muting
Q311,312
Muting
Q305
Muting
Q301,304
Muting
Q306
Muting
Q302,303
Muting
Q309,310
Selector
SN74LV157APWR
IC14
8:2
CODEC
AK4628
IC16
A/D
ADL/ADR
D/A
SBL/-
D/A
SL/SR
D/A
C/SW
D/A
PL/PR
DAPL/DAPR
DAC/DASW
DASL/DASR
DASBL/-
ADL/ADR
IC305
NJM4556AL
FRONT
CENTER
SURR.
SURR.BACK
RY125
RY124
RY123
RY121
RY122
Head Phone
Front A
Front B
Input Selector
Decoder
Post Prosessor
(U, C models)
DSP
XM
FUNCTION MAIN
• See page 81, 82 → SCHEMATIC DIAGRAM
• See page 83 → SCHEMATIC DIAGRAM • See page 86 → SCHEMATIC DIAGRAM
• See page 93 → SCHEMATIC DIAGRAM
OPERATION (3)
• See page 84 → SCHEMATIC DIAGRAM
OPERATION (4) • See page 84 → SCHEMATIC DIAGRAM
SUBTRANS (7)
• See page 88 → SCHEMATIC DIAGRAM
TUNER
(U, C models)
(R, T, K, A,
B, G, E, L, J models)

Yamaha DSP-AX457 Specifications

General

Brand	Yamaha
Model	DSP-AX457
Category	Amplifier
Language	English