Yamaha RX-V2600 Service Manual page 102

A B C
RX-V2600/DSP-AX2600
SCHEMATIC DIAGRAM (DSP 2/2)
1
ANALOG IN
2
2.5 2.5
0
3 6.1
6.2 6.1
6.2 0
5.9
0
3.4
0.1
0 0.4
0 1.7
0
1.7
0
1.7
3.4 1.3
A/D
4
5
0
6
3.4
4.9
3.3
2.6
3.3
3.4
3.4
1.8
1.3
0
0
0.1
7
0.7
1.2
1.3
2.6
DIGITAL IN
8
9
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.
102
D E F
Page 104 B6 Page 104 B2
to FUNCTION (2)_CB604 to FUNCTION (2)_CB605
ANALOG IN
12.2
2 1.0
8
1
1.0
3 1.0
12.2 8
DAC
7
6 0
6 1.0 0
1.0 7 4 5 0
5 1.0
-12.0
12.2
1 0
3
8 2 0.6
2
0
0.6 1 3 0.6 0
4
-12.0
6 0.6
5 0.6
0.6 7
4
U, C models
-12.0
RAM
0
2.6
0
0
3.0
3.0
2.9
2.9
2.1
2.1
3.4
4.9
2.1
0 3.3
3.4 2.6
3.4 3.3
3.4 3.4
3.4
3.4 3.4
0.1 0.1
0.1
0.1
0.1 0.1
3.4 3.4
0.1
0.1
0.1 0.1
0.1 0.1
0.1
0.1
0 2.6
ANALOG IN
IC520, 529, 530, 539, 540: NJM2068MD-TE2
Dual OP-Amp
OUT 1 8 +V
1 CC
–IN 1 2 7 OUT 2
+ – + –
+IN 3 6 –IN
1 2
–V CC 4 5 +IN
2
G H I
Page 108 C4
to INPUT (1)_CB307
3.4 3.4
1.3 0
3.4 1.8
3.4
3.4
0 3.4
0 0
1.0
0
3.4
0 0
0 0.4
2.6
3.4
1.8
1.8
3.4
3.4
0.2
0.2
3.4
3.4
0.1
3.4
0
IC532: SN74LV157APWR
IC525~528: SN412008DRE4
Quadruple 2-line to 1-line data selectors/multiplexers
Audio operational amplifier
1A 2
OUTA 1 8 V + 4 1Y
1B 3
2A
5
–I NA 2 7 OUTB
A
7 2Y
– + 2B 6
B
3A
+INA 3 6 –I NB 11
+ –
9 3Y
3B 10
GND
V- 4 5 + INB
4A 14
12 4Y
4B 13
G
15
A/B
1
J K L
12.1
8
2
1
1.0
3
0
1.0
1.8
4.9
FRONT L
3.4
1.8
2.4
0.2
0
1.6 0
3.4
3.4
0 5.0
5.0
0
5
5.0 0
1.0 7
6
0 1.4 0
1.0
1.4 1.4
4
1.4 0 -12.3
5.0
2.6
12.1
8
6
DAC 0 7
5
0
0
1.8 4.9
SURROUND L
3.4
1.8
2.4
0.2
0
1.6 0
3.4
3.4
0 5.0
5.0
0
3
0
5.0 1
0
0 2 0
1.4
0
1.4
1.4
4
-12.3
1.4 0
5.0
2.6
12.1
8
3
1.0 1
2 0
0
1.8 4.9
CENTER
1.8 3.4
0.1
2.4
0
1.6 0
5
7
0
3.4 6 0
3.4 4
0
0 5.0
5.0 -12.3
0
5.0 0
0
1.4
1.4
0
5.0
2.5
12.1
8
2
DAC 1
1.0
3
0
1.0
1.8 4.9
SUB
1.8 3.4
WOOFER L
2.4
0.2
0
1.6 0
3.4
3.4
5.0
0
5.0
0
5.0 0 5
1.0 7
0 1.4 6
0
4
1.4 1.0
1.4
1.4 0
-12.3
5.0
2.5
12.1
6
2
1.0 1
3
0
0
1.8 4.9
SURROUND
1.8 3.4
BACK L
0.2 2.4
0
1.6 0
3.4
3.4
5.0
0
0 5.0
5
5.0 0 1.0 7
6 0
0 1.4
0 4
1.4 1.4
1.4 0
5.0
2.6 -12.3
12.1
2 8
1.1
DAC
3 1
0
1.1
1.8
4.9 PRESENCE L
1.8
3.4
0.2 2.4
0
0
3.4
3.4
5.0
0
5.0
0
5
5.0 0
1.1
6 0
0 1.4
4
1.1
1.4
1.4
1.4 0
5.0
2.5 -12.3
IC541: AK4384ET
D/A Converter
P/S MCLK
9 1
De-emphasis Clock
Control Divider
SMUTE/CSN
A/B V 6
1 16 CC µP
ACKS/CCLK 7
1A 2 15 G Interface
DIF0/CDTI
1B 4A 8
3 14
1Y 4 13 4B
8X
2A 5 12 4Y
ATT SCF
LRCK Interpolator Modulator
4 Audio
2B 6 11 3A
BICK 2 Data
2Y 7 10 3B
SDTI Interface
3
8 9 3Y 8X
ATT SCF
Interpolator Modulator
5
PDN
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-60JS
4Mbit DRAM
WE OE
13 27
Timing
RAS 14
Generator
I/O
Controller
LCAS 29
Output
UCAS 28 8
I/O 8
Buffers
Controller
DQ1~DQ8
Column
Input
9 Address 9 Column Decoders
8 8
Buffers Buffers
I/O
Internal
Sense Amplifiers 16 16
Refresh Selector
A0~A8 Address
Control Clock
Counter
Input
8 8
Buffers
Row
Row
9 Address 9 Word Memory
Deco- DQ9~DQ16
Buffers
Drivers Cells
ders
Output
8
8 Buffers
VCC 20
On Chip
VBB Generator
VSS 21
IC560: NE5532DR
DUAL LOW-NOISE OPERATIONAL AMPLIFIERS
V CC+
36 pF
IN+
37 pF
14 pF
15
OUT
7 pF
IN–
15
460
V CC–
IC564~569: PCM1791ADBR
Audio stereo digital-to-analog converter
LRCK
Current
Audio VOUTL-
BCK
Segment
Data Input
DAC
DATA I/F VOUTL+
and
I/V Buffer
x8 D/S and Filter
MUTE Oversampling
Advanced
Digital Bias VCOM
RST Segment
Filter and
DAC
MSEL and Vref
Modulator
Function
Control
MDO
Current VOUTR+
MDI Function
Segment
MC Control DAC
VOUTR-
I/F and
MS
I/V Buffer
D/S and Filter
ZEROL
System
Zero
ZEROR Clock Power Supply
Detect
Manager
002.sht
IC570: PCM1804DBR
Stereo A/D converter
DSP
OSR0
CLK
SCKI OSR1
Control
OSR2
VINL+
Delta-Sigma
Decimation
Modulator (L) HPF S/M
Filter (L)
VINL–
FMT0
VCOML
FMT1
AGNDL
VREFL
VREFL LRCK/DSDBCK
Serial
Output
Interface BCK/DSDL
VDD
14 VREFR
VREFR
AGNDR DATA/DSDR
13 VSS
VCOMR
VINR+
12 VCOM Delta-Sigma Decimation
HPF OVFL
Filter (R)
Modulator (R)
VINR–
OVFR
15 DZFR
12 DZFL BYPAS
Power Supply RST
11 AOUTL
VCC AGND DGND VDD
AOUTR
10