Yamaha RX-V1400, Service Manual

Page: 88 / 147

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V2400/RX-V2400RDS/DSP-AX2400/RX-V1400/RX-V1400RDS/HTR-5690/DSP-AX1400
SCHEMATIC DIAGRAM (DSP 2/2)
88
★
All voltages are measured with a 10M
Ω
/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.
1 2
4
3
5
1
2
3
8
7
5
6
4
1
2
3
8
7
5
6
4
1
2
3
8
7
5
6
4
1
2
3
8
7
5
6
4
1
2
3
8
7
5
6
4
1
2
3
8
7
5
6
4
Remarks
2400
IC515: W981616BH-7
512K x 2 Banks x 16 Bits SDRAM
CLOCK
BUFFER
ADDRESS
BUFFER
CLK 35
18
CKE 34
A10 20
CS
17 RAS
16 CAS
15 WE
21 A0
〜
24 A3
27 A4
〜
32 A9
19 BA
2 DQ0
3 DQ1
5 DQ2
6 DQ3
8 DQ4
9 DQ5
11 DQ6
12 DQ7
39 DQ8
40 DQ9
42 DQ10
43 DQ11
45 DQ12
46 DQ13
48 DQ14
49 DQ15
14 LDQM
36 UDQM
COMMAND
DECODER
REFRESH
COUNTER
REFRESH
COUNTER
DQ
BUFFER
COLUMN
COUNTER
MODE
REGISTER
CONTROL
SIGNAL
GENERATOR
CELL ARRAY
BANK #0
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
CELL ARRAY
BANK #1
R
O
W
D
E
C
O
D
E
R
COLUMN DECODER
SENSE AMPLIFIER
IC517: MSM514260E-60JS
4Mbit DRAM
Timing
Generator
I/O
Controller
Output
Buffers
Input
Buffers
Input
Buffers
Output
Buffers
I/O
Controller
Column Decoders
RAS
Refresh
Control Clock
14
WE
13
9
9
LCAS 29
UCAS
A0~A8
28
VCC
20
VSS 21
Sense Amplifiers
I/O
Selector
Memory
Cells
OE
27
DQ9~
DQ16
Column
Address
Buffers
Internal
Address
Counter
Row
Address
Buffers
On Chip
VBB Generator
Row
Deco-
ders
Word
Drivers
9
9
16 16
8
8
8
8
8
8
DQ1~
DQ8
8
8
Serial I/O
Interface
Clock
Divider
MCLK
AINL
Decimation
Filter Modulator
SDTO
TST
16
PDN
13
DIF
14
TTL
15
11
VA
6
AGND
5
VD
7
DGND
8
2
AINR
Decimation
Filter Modulator
1
VCOM
Voltage
Reference
4
9
LRCK
SCLK 12
10
IC519: AK5380-VT
96kHz 24Bit 2ch ADC
IC520, 525~530: NJM2068MD
Dual OP-Amp.
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
Audio
Data
Interface
µ
P
Interface
CSN
De-emphasis
Control
Clock
Divider
MCLK
CCLK
8X
Interpolator
Modulator
Modulator
SCF
SCF
8X
Interpolator
CDTI
AOUTL+
VDD
VSS
AOUTL-
AOUTR+
AOUTR-
6
PDN
5
1
7
8
LRCK
BICK
SDTI
4
2
3
9
10
11
12
13
14
DZFL
DZFR
15
16
IC521, 523: AK4382AVT
D/A Converter
IC522: 74VHC157MTCX
Quad 2-Input Multiplexer
1 S
10 I1d
15
E
11
I0d
9
Zd
13 I1c
14
I0c
12
Zc
6 I1b
5
I0b
7
Zb
3 I1a
2
I0a
4
Za
IC524: AK4358VQ
192kHz 24Bit 8ch DAC
Control
Register
10
MCLK
3-wire
or 12C
Audio
I/F
DAC
LOUT1+
DATT SCF
PCM
17 LRCK
9
BICK
14
SDTI1
15 SDTI2
16
SDTI3
13
SDTI4
22
DCLK
25
DSDL1
26 DSDR1
27
DSDL2
28
DSDR2
29 DSDL3
30
DSDR3
23
DSDL4
24
DSDR4
DSD
2
LOUT1–
1
DAC
ROUT1+
DATT SCF
SCF
SCF
48
ROUT1–
47
DAC
LOUT2+
DATT
46
LOUT2–
45
DAC
ROUT2+
DATT
44
ROUT2–
43
DAC
LOUT3+
DATT SCF
42
LOUT3–
41
DAC
ROUT3+
DATT SCF
40
ROUT3–
39
DAC
LOUT4+
DATT SCF
38
LOUT4–
37
DAC
ROUT4+
DATT SCF
33
ROUT4–
32
DZF
DSP AUTO CALIBRATION
DRAM
A/D CONVERTER
D/A CONVERTER
SELECTOR
D/A CONVERTER
D/A CONVERTER
x: NOT USED
O: USED / APPLICABLE
Page 90
to FUNCTION
M6 Page 90
to FUNCTION
F1
1.7
1.7
1.7
1.7
3.4
5.0
5.0
0 5.0
2.5
2.5
0
2.5
0
5.0
0
11.5
0
0
0
-11.9
0
0
2.5
5.0
5.0
0
2.5
2.5
2.5
5.0 0.6 0.6 0.6 0.6 5.0 0.9 0.9 1.0 0.9 3.1
1.9
1.0 1.8 1.8 1.8 5.0
0
3.4
4.9
3.2
2.8
3.4
4.9
1.7
1.7
1.7
0.1
0
0
0.1
0.7
0.1
1.6
2.6
0
1.7
0
1.1 2.6 3.4 3.4 3.4
0
0.3 0.3 0.3 0.3 2.6
2.6 1.8 1.8 1.8 ~ 3.4 1.8 ~ 1.0 ~ ~ 2.3 2.2 3.1 2.3 0.5 0.5 0.5 3.4 0.5 0.5 0.5 0
2.6
0.5
0.5
0.9
1.0
0.9
0.9
0.6
0.6
0.6
0.6
3.4
0.1
0.5
0.5
0.5
1.7
0
0.5
1.7
0
0
3.4
4.9
3.2
0
3.4
4.9
1.7
1.7
0.1
0.5
0.5
0.5
1.7
0
0.5
1.7
2.6
3.4
0
0
0 0
0
0
0
-11.6
11.5
0 -11.6 0
0
0
0
2.9 2.9 3.4
2.9 0
2.9
0
3.4 2.9 0
0
2.9
2.9
3.4
2.9 0
2.9
0
3.4 2.9
0
0
2.9 2.9 3.4
2.9 0
2.9
0
3.4 2.9
2.9
0
2.9 2.9 3.4
2.9 0
2.9
0
3.4 2.9
0
0
0
-11.4
0
0 0
0
0
0 0
-11.4
0
1.5
1.5
0
0
0
-11.6
-11.9
1.5
1.5
0
0
0
0.6
11.5
1.5
1.5
0
0
0
0.6
-11.9
1.5
1.5
0
0
0
0.6
11.5
0
0
0
0
0
0.6
-11.9
1.5
1.5
0
0
0
-11.3
11.5
1.5
0
0
0
-10.3
-11.9
1.5
1.5
0
0
0
0.6
11.5
1.5
1.5
0
0
0
0.6
-11.9
1.5
1.5
0
0
0
0.6
11.5
1.9
1.9
0
0
0
0.6
-11.9
1.9
1.9
0 0 0
3.4 3.4 3.4 3.4 1.7
0 0 0
1.1 2.8 3.4 3.4 3.4 3.4 3.4 0.3 0.3 0.3 0.3 2.6
2.6 3.4 3.4 0
2.6
3.4
3.4
3.4
3.4
4.9
0.2
0.2
1.6
0.2
0.2
1.6
0
0 0.5 0.5 0.5 0.5 0 0.5 0.5 0.5
2.3 2.3
2.2 ~ ~ ~ 1.8 0 ~ 0.5
1.7
1.7
1.4
1.7
3.4
4.9
3.4
2.8
4.9
0
2.5
2.5
2.5
2.5
1.7
1.7
0.2
1.7
3.4
4.9
3.4
2.8
4.9
0
2.5
2.5
2.5
2.5
3.4
0.1
1.6
1.0
0
0
0
3.4
0
0
0
0
0
2.5
2.5
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
0 0 0 0 0 0 4.9 2.4 2.4 4.9 4.9 0
0
4.9 1.7 1.7 3.4 4.5
0
2.4 2.4
0.2
0.2
0.2
1.6
1.7
0
3.4
2.8
4.9
0
0
0
0 0
0 0
DIGITAL IN
FRONT L
CENTER
SURROUND BACK L
1.5
ANALOG IN
C809
IC533
NJM78L05UA
IN
COM
4.7K
4.7K
OUT
R842
5.6K
R636
4.7K
R843
5.6K
390P
390P
390P
0.01
0.01
390P
3900P
3900P
3900P
3900P
3900P
3900P
390P
390P
390P
390P
390P
390P
390P
390P
390P
390P
390P
390P
390P
390P
390P
390P
3900P
3900P