Yamaha RX-Z7 Service Manual

A B C
DSP 3/3
1
2
A/D
0 2.7
0
0
0
0
2.9 2.9
2.9
2.9
0
3.3
5.5
0
3.3
3
3.3
0 3.3
0 1.7
0 1.6
0 1.6
1.3
3.3
4
ANALOG IN
5
to DSP 2/3
0
1.6
3.3
0
3.3
0
3.3
1.2
0
3.3
0
0
6
0
3.3
0
1.2
1.6
3.3
0.1
0
0
0 3.3
0
1.2
0
0
0
1.2
0
3.3
3.3
3.3
0
3.3
3.3
7 1.2
3.3
3.3
to DSP 2/3 0
8
9
IC560: PCM1804DBR
Stereo A/D converter
OSR0
CLK
SCKI OSR1
Control
OSR2
VINL+
De ta S gma
Dec mation
Modulator (L) HPF S/M
VINL Filter (L)
FMT0
VCOML
FMT1
AGNDL
VREF L
VREF L
LRCK/DSDBCK
Serial
Output
Interface BCK/DSDL V L
REF
10 VREF R
AGNDL
VREF R
AGNDR DATA/DSDR V L
COM
VCOMR V IN L+
V L
VINR+ IN
Delta Sigma Dec mation FMT0
HPF OVFL
Filter (R)
Modulator (R) FMT1
VINR OVFR
S/M
OSR0
BYPAS OSR1
OSR2
Power Supply
RST BYPAS
DGND
V
DD
VCC AGND DGND VDD
D E F
Page 154 B5 Page 155 C3
to FUNCTION (2)_CB300 to FUNCTION (2)_W3503
ANALOG IN
5.5 5.5
11.5
2.9
2.3
2.9
2.9
2.8 11.5
2.3
2.9
0
0.3
2.3
0.3
0 2.8 1.4
0
2.3
5.5 1.6
-11.3
5.5 11.5 1.6
0
0
2.3 0
2.9 2.9 2.8 0.3
2.3
-11.3
0.3
2.9
2.3
2.3
2.8
0 0
-11.8
SBL/SBR
3.2
3.3
PL/PR
0
C/SW
FL/FR
3.3
SL/SR 3.3
1.2
3.3
0
3.3
0
3.3
DSP2
0
3.3
3.3
3.3
0
1.2
0
0
0
3.3
1.2
1.2
3.3
0
3.3
No replacement part available.
0
3.3
サービス部品供給なし
0
1.2
3.3
0
0
3.3
IC564: AK4384ET
IC561-563, 579, 580: NJM2068MD-TE2
D/A converter
Dual operational amplifier
P/S
9
OUT 1 1 8 +V CC
SMUTE/CSN
–IN OUT 6
1 2 7 2 μP
+ – + – ACKS/CCLK 7
Interface
1 28 V R DIF0/CDTI
REF +IN 1 3 6 -IN 8
2
2 27 AGNDR
3 26 V R
COM
4 25
V IN R+ –V CC 4 5 +IN 2
5 24 V R LRCK
IN 4 Audio
6 23 AGND
BICK 2 Data
7 22 V CC
8 21 OVFL SDTI 3 Interface
9 20 OVFR
10 19 RST
11 18 SCKI
12 17 LRCK/DSDBCK
5
13 16 BCK/DSDL
14 15 DATA/DSDR
PDN
G H
DAC
1.4
12.2
0
5.2
0
0 0
0 0.1
0.6
0.6
5.2
5.2
0 0
0
11.7
(U, C models)
3.3
3.3
1.2 0
0 1.3
1.6
0.9
1.3
0
100 1.3
0
1.6
0 1.3
3.3 3.3
0
3.0
3.0 0
0
3.3
0
0
RAM
3.3 0
0 0
3.3 0
0 0
0 0
0 3.3
0 3.3
0 0
3.3 0
3.3
0
3.3
0
0
3.3
0 0
3.3 0
3.3
3.3 3.3
3.3 1.7
3.3 3.3
0
3.3 0
0
3.3 0
0 3.3
0 0
0 3 3
3.3 1.2
3.3 0
IC582: TC7SH00FU
Single 2-input positive-AND gate
IN B 1 5 V
CC
IN A 2
GND 3 OUT Y
4
MCLK
1
14 VDD
13 VSS
De-emphasis Clock IC581, 583: TC7SH08FU
Control Divider 12 VCOM
2-input AND gate
15 DZFR
12 DZFL
IN B 1 5 V
CC
8X
AOUTL
ATT SCF 11
Interpolator Modulator
IN A 2
8X
ATT SCF 10 AOUTR
Interpolator
Modulator OUT Y
GND 3 4
I J K
12.2
1.3
0.3
1.3
FRONT L
DAC
1.3
1.3 0.3
-11.5
12.2
1.3
0.3
1.3
SURROUND L
DAC
1.3
1.3
0.3
-11.5
12.2
1.3 0.3
1.3
CENTER /
DAC
SUBWOOFER
1.3
0.3
1.3
-11.5
SURROUND
BACK L
12.2
1.3
0.3
1.3
DAC
1.3
0.3
1.3
-11.5
12.2
1.4
1.4
0.3
PRESENCE L
DAC
1.4
0.3
1.4
-11.5
IC569-571, 573, 574: DSD1791DBR
24-bit, 192 kHz sampling, advanced segment, audio stereo digital-to-analog converter
PLRCK
Audio
PBCK
Data Input
PDATA I/F
DBCK
DSDL
DSDR
RST
MDI
Function
Control
MC
I/F
MS
IC565, 575-577: NE5532DR
ZEROL
Dual low-noise operational amplifiers
Zero
ZEROR
Detect
V CC+
36 pF
IN+
37 pF
14 pF
Ω
15
OUT
7 pF
IN
15 Ω
460 Ω 1OUT 1 8 V
CC+
1IN– 2 7 2OUT
V CC– 1IN+ 3 6 2IN–
V 4 5 2IN+
CC–
L M N
RX-Z7/DSP-Z7
IC585: K4S641632K-UC75000
64 M synchronous DRAM
LWE
Data Input Register
LDQM
Bank Select
2M x 8 / 1M x 16
2M x 8 / 1M x 16
DQi
2M x 8 / 1M x 16
CLK
2M x 8 / 1M x 16
ADD
Column Decoder
Latency & Burst Length
LCKE Programming Register
LRAS LCBR LWE LCAS LWCBR LDQM
T ming Register
CLK CKE CS RAS CAS WE L(U)DQM
V 1 V
DD 54 SS
DQ0 2 53 DQ15
V 3 52 V
DDQ SSQ
DQ1 4 51 DQ14
DQ2 5 50 DQ13
V SSQ 6 49 V DDQ
DQ3 7 48 DQ12
DQ4 8 47 DQ11
V
V DDQ 9 46 SSQ
DQ5 10 DQ10
45
DQ6 11 44 DQ9
V 12 43 V DDQ
SSQ
DQ7 13 42 DQ8
V DD 14 41 V SS
LDQM 15 40 N C/RFU
WE 16 39 UDQM
CAS 17 38 CLK
CKE
RAS 18 37
CS 19 N C
36
BA0 20 35 A11
BA1 21 34 A9
A10/AP1 22 33 A8
A0 23 32 A7
A1 24 31 A6
A2 25 30 A5
A3 26 29 A4
V V
DD 27 28 SS
IC567: D70YE101BRFP266
Floating-point digital signal processors
Program/Data JTAG EMU
256 RAM
D1
256K Bytes
McASP0
Data 64 32
16 Serializers
R/W Program/Data
ROM Page1
C67x+ Microprocessor 256 32
256K Bytes
D2 Memory
Data 64
Controller Program/Data 32
R/W McASP1
ROM Page2
256 6 Serializers
256K Bytes
32
Program
I/O INT
Fetch Program/Data
32 McASP2
256 ROM Page3
2 Serializers
256K Bytes
32 DIT Only
CSP 32 32
Program SPI1
32
Cache 256
PMP DMP
32K Bytes
32 SPI0
32 32
32 I2C0
High-performance
32
Crossbar Switch
32 I2C1
32 32 32 32
32 RTI
32 PLL
I/O Interrupts MAX0 CONTROL MAX1 Events
Out In
EMIF
dMAX
Peripheral Interrupt and DMA Events
IC566: SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
1A 2
4 1Y
1B 3
2A 5
2Y
7
2B
6
3A 11
3Y
9
3B 10
4A
14
A/B 1 16 V
12 4Y CC
4B 1A G
13 2 15
1B 4A
3 14
1Y 4 13 4B
G
15
2A 5 12 4Y
A/B
1 2B 3A
6 11
2Y 7 10 3B
GND 8 9 3Y
Pin numbers shown are for the D, DB, DGV, J, NS, PW, and W packages.
Current
V OUT L
Segment
DAC
V OUT L+
and
I/V Buffer
8 D/S and Filter
Oversampling
Advanced
Digital Bias
V COM
Segment
Filter and
DAC
and Vref
Modulator
Function
Control
Current
V OUT R+
Segment
PLRCK 1 28 MS
DAC
V OUT R PBCK 2 27 MC
and
PDATA 3 26 MDI
I/V Buffer
DBCK 4 25 DSDL
SCK 5 24 DSDR
D/S and Filter RST 23 ZEROL
6
System
V 7 22 ZEROR
DD
Clock Power Supply
DGND 8 21 V F
Manager CC
AGNDF 9 20 V CC L
V R AGNDL
CC 10 19
AGNDR 11 18 V L
OUT
V R 12 17 V L+
OUT OUT
V OUT R+ 13 16 AGNDC
V V C
COM 14 15 CC
151