Yamaha RX-V4600/DSP Service Manual page 86

A B C
RX-V4600/DSP-AX4600
SCHEMATIC DIAGRAM (DSP 2/2)
1
Page 95 A1
to CONTROL (AUDIO)_CB502_19Pin
2
3
DRAM
4
5
0
3.4
5.0
3.4
2.7
3.4
6 3.4
1.8
1.8
0
DSP
0
0
0.1
0.1
0.1
0.1
2.6
7
8
DIGITAL IN
DSP
9
O : USED / APPLICABLE
X : NOT USED
10
# 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.
86
D E F
Page 93 B1
to INPUT_W301
1.9 0
1.8 5.0
5.0
1.8
1.8 0
3.4 2.5
0.1
5.0
2.5
2.5
0.1
3. 9
A/D CONVERTER
ANALOG IN
0
2.6
0.6
0.6
1.1
1.1
1.1
1.1
0.6
0.6
0.6
0.6
3.4
1.8
1.8
3.4
0
0.1
DSP
0.5
0.5
1.9
0.3 0.3
0.5 0.5
0.5
0.5
2.1 2.1
0 2.6
G H I
8 5
7 3. 9
0
0
0
6
2
1 0
0
0
4 3
3. 9
3.4
3.4
1.4
0
1.6 1.7
1.6 1.8
0 1.8
0
1.8
0.1 1.8
0 1.8
0 0
0 0
2.5
2.5
1.5
1.6
0.2
0.2
1.8
0
3.4
2.7
2.6
5.0
DAC
0.1
0.1
0.1
3.4
1.8
1.8
3.4
0.1
0.2
SURROUND BACK L
0.2
1.5
0.2
0.2
1.6
0
1.8 5.0
1.8
0.2
0
1.8
2.5
3.4
5.0 2.5
3.4 2.5
2.7 2.5
PRESENCE L
D/A CONVERTER
1.8 5.0
1.8
0.2
0
1.8
3.4 2.5
5.0 2.5
3.4 2.5
2.7 2.5
J K
FRONT L
11.7
2 8
1.6 1
1.5
0
3
5
1.6 7
1.6 0
6 4 -12.0
11.7
2 8
1.6 1
1.6 0
3
5
0
7
0 0
-12.0
6 4
CENTER
11.7
2
8
1.6 1
1.6 0
3
5
0 7
0
0
6 4 -12.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
11.7
6 8
2.5 1.6 7
1.6 0
2.5
5
3
1.6 1
1.6 0
2 -12.0
4
11.7
2 8
1.6 1
1.6
0
3
5
0 7
0 0
6 4 -12.0
11.7
2
8
1
1.5
0
0
3
5
7
1.5
1.5 0
6 -12.0
4
IC531, 532: 74VHC157MTCX IC525 - 527: NE5532DR
Quad 2-Input Multiplexer Dual OP-Amp
1
S
OUT 1 1 8 +V CC
E 15
–IN 2 7 OUT
1 2
+ – + –
I1d 10
9 +IN 1 3 6 –IN 2
Zd
I0d 11
–V 4 5 +IN
CC 2
13
I1c 12
Zc
I0c 14
6
I1b
7 Zb
I0b 5
3
I1a
4 Za
I0a 2
L M N
IC516, 518: YSS930-SZ
DSP
MICROPROCESSOR
INTERFACE
PROGRAM COEFFICIENT ADDRESS
RAM RAM RAM
CONTROL REGISTER 50 bit ＊1024 word 16 bit ＊1024 word 17 bit ＊256 word
CONTROL
SIGNALS
SDBCK
SDWCK
SDI0 SDO0
SDI1
SDO1
SDI2
SDO2
SDI3
SDO3
32 bit DSP Core
SDI4
SDO4
SDI5
SDO5
SDI6 SDO6
SDI7 SDO7
DSP INTERNAL
OPERATING CLOCK
CK (30.72~40.96MHz)
EXTERNAL RAM
INTERFACE
PLL
IC517: MSM514260E
4Mbit DRAM
WE OE
13 27
Timing
RAS 14
Generator
I/O
Controller
LCAS
29
Output
UCAS 28 8 8
I/O Buffers
Controller
DQ1~DQ8
Column
Input
9 Address 9 Column Decoders 8
8
Buffers Buffers
I/O
Internal
Refresh Sense Amplifiers 16 16
A0~A8 Selector
Address
Control Clock
Counter
Input
8 8
Buffers
Row
Row
9 9
Address Word Memory DQ9~DQ16
Deco-
Buffers
ders Drivers Cells
Output
8
8 Buffers
VCC
20
On Chip
VBB Generator
VSS 21
IC519: AK5380-VT
96kHz 24Bit 2ch ADC
VA AGND VD DGND MCLK
6 5 7 8 11
Clock
Divider
Decimation
AINL 2 10 LRCK
Modulator Filter
Decimation 12 SCLK
AINR
1
Modulator Filter
Serial I/O
9 SDTO
Voltage
Interface
VCOM 4
Reference
16 13 14 15
TST PDN DIF TTL
IC520, IC528 - 530: NJM2068MD-TE2
Dual OP-Amp
OUT 1 8 +V
1 CC
–IN 1 2 7 OUT 2
+ – + –
+IN 1 3 6 –IN 2
–V 4 5 +IN
CC 2
IC522, 523: AK4382AVT
D/A Converter
MCLK
1
VDD
14
De-emphasis Clock
13 VSS
Control Divider
CSN
6 µP DZFL
16
CCLK
7
Interface
CDTI 8 15 DZFR
12 AOUTL+
8X
SCF
LRCK Interpolator Modulator
4 Audio 11 AOUTL-
BICK 2 Data
SDTI Interface
3 8X 10 AOUTR+
SCF
Interpolator Modulator AOUTR-
9
5
PDN
IC524: AK4358VQ
192kHz 24Bit 8ch DAC
DZF Audio 10 MCLK
I/F
LOUT1+ 2 17 LRCK
SCF DAC DATT
LOUT1–
1 9 BICK
ROUT1+ 48 14 SDTI1
SCF DAC DATT
SDTI2
ROUT1– 47 15
16 SDTI3
LOUT2+
46
SCF DAC DATT PCM
13 SDTI4
LOUT2–
45
Control
ROUT2+ 44
SCF DAC DATT 3-wire
Register
ROUT2– or 12C
43
LOUT3+ 42 22 DCLK
SCF DAC DATT
DSDL1
LOUT3– 41 25
26 DSDR1
ROUT3+
40
SCF DAC DATT
27 DSDL2
ROUT3–
39
28 DSDR2
LOUT4+ 38 DSD
SCF DAC DATT
29 DSDL3
LOUT4–
37
DSDR3
30
ROUT4+ 33
23 DSDL4
SCF DAC DATT
ROUT4– 32
24 DSDR4