Yamaha YMC-700 Service Manual page 81

A B C
DIGITAL 7/8
1
Q Q
7
3
5.1
IC379 IC379 IC379 IC379
IC379
0 0 0 0
5.1 5.1 5.1 5.1
0
2
IC379 IC379
2.4 2.9
2.9 0.6
AUDIO IN
IC479
0
0
5.1
3
0
0.6
0
0
0
0
3.3
0
1.7
to DIGITAL 1/8
0
3.3
DIGITAL IN
0
4
3.3
IC378
0
IC378
1.7
3.3
1.7
1.6
1.7 3.3
to DIGITAL 2/8
1.7
3.3
1.7
1.7
3.3
1.3
5
to DIGITAL 5/8
ANALOG IN
to DIGITAL 8/8
AD CONVERTER
T E
L 1 3 9 4
IC375
2.5
2.5
2.1
4.9
5.1
0
6
3.3
to DIGITAL 5/8
0
0
1.7
to DIGITAL 5/8
to DIGITAL 8/8 IC478
3.3
IC478
1.7
1.7
IC478
1.7
1.7
3.3
IC478
0
to DIGITAL 8/8
7
1.9
3.3
0
0
0.9
1.0
0
1.7
4.9
5.1
3.3
0
0
to DIGITAL 5/8 1.1
1.9
8 5.1
3.3
3.3
1.7
to DIGITAL 8/8 IC474
3.3
3.3
0
3.3
IC474
0
0
9
to DIGITAL 5/8
IC371: D70YE101BRFP266
IC372: M12L64164A-5TG
Floating-point digital signal processors
1M x 16-bit x 4 banks synchronous DRAM
Program/Data
JTAG EMU
256 RAM
D1 CLK
256K Bytes Clock
w w w Data 64 McASP0
32 16 Serializes Generator
R/W CKE
Program/Data
ROM Page1
C67x+ Microprocessor 256 32
256K Bytes
D2 Memory Address
Data 64 Controller Program/Data 32
McASP1
R/W ROM Page2
256 6 Serializes
256K Bytes
32
Program
I/O INT Fetch Program/Data
32 .
256 ROM Page3 McASP2
256K Bytes 2 Serializes
DIT Only
32
10 Program CSP 32 32 CS
32 SPI1
Cache 256
PMP DMP
32K Bytes RAS
32 SPI0
32 32 CAS
32 I2C0
High-performance
32 WE
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
D E F
to DIGITAL 5/8
1 5 1
6 3
IC473
3.3
3.3
3.3
0
0
0
IC374 IC472
3.3
1.6
1.6
H
1.6
DIR
3.3
0
2 2 9 6 5 1 3
0
0
0
3.3
3.0
1.7
3.3
0
1.7
1.6
IC377
PWM
MODULATOR
1.7
1.7
1.7
1.7
1.7
1.7
3.3
3.3
1.9
0
0
3.3
1.3
1.3
0.7
0
0
0
1.7
3.3
CB371
3.3
0
0
0
0
IC373: K8P6415UQB-PI4B000
64 Mb page mode NOR flash
1 54
VDD VSS
DQ0 2 53 DQ15 Bank 0
VDDQ 3 52 VSSQ Address
Bank D 4 51
DQ1 DQ14
Bank C Vcc
DQ2 5 50 DQ13
Bank B
6 49
Row VSSQ VDDQ
x a 48 o Vss
DQ3 7 DQ12
Address y
DQ4 8 47 DQ11
Buffer CE
9 46
Mode & Bank A VDDQ VSSQ
Register DQ5 10 45 DQ10
Refresh OE I/O Bank 1
DQ6 11 44 DQ9
Counter i Address
12 43 Interface
VSSQ VDDQ WE
and
DQ7 13 42 DQ8
Sense Amplifier Bank
14 41 RESET
L(U)DQM VDD VSS Control
Column LDQM 15 40 NC
RY/BY Bank 3
Address Column Decoder WE 16 39 UDQM
Address
Buffer 17 38
CAS CLK
& WP/ACC
RAS 18 37 CKE
Refresh
CS 19 36 NC
A0-A21
Counter 20 35
Data Control Circuit DQ A13 A11
A12 21 34 A9 DQ0-DQ15
A10/AP 22 33 A8
A0 23 32 A7
A1 24 31 A6
25 30
A2 A5
A3 26 29 A4
VDD 27 28 VSS
http://www.xiaoyu163.com G H
YMC-700 YMC-500
5
0
POINT H XL371 (Pin 29 of IC374)
1.3
3.3 1.3
2.5
0
1.7
3.3
Q Q
0 FL/FR 3 C/SW 7 SL/SR 6 3
0
0
0
1.3
0
3.3
0 DSP
0
0
3.3
0
1.3
1.6
0 IC371
3.3
1.3
0
0
0
1.3
0
3.3
3.3
3.3
No replacement part available.
0
3.3
3.3
1.3
3.3
3.3
0
IC374: LC89058WD-E
Digital audio interface receiver
MOUT INT AUDIO
32 35 33
X Bank 0
Dec Cell Array Fs calculator
Latch and
Y Dec
Control GPIO0 44 Microcontroller
GPIO1 45 I/F
u 1 6 3
GPIO2 46
Cbit, Pc
Latch and
Y Dec GPIO3 47
Control
X
Bank 1 A15 1 48 A16
RXOUT2 48
Dec Cell Array A14 2 47 N.C .
A13 3 46 Vss RXOUT1 1
A12 4 45 DQ15
A11
5 44 DQ7 RX0 2 Input
A10 6 43 Demodulation
DQ14
A9 7 42 RX1 3 Selector &
X Bank 3 DQ6
A8 8 41 DQ13
Dec Cell Array RX2 4 Lock detect Data
A19 9 40 DQ5
Selector
Latch and A20 10 39 DQ12 RX3 5
Y Dec
Control WE 11 38 DQ4
RX4 8
RESET 12 37 Vcc
A21 13 36 DQ11 RX5 9
Erase PLL
WP/ACC 14 35 DQ3 Clock
Control RY/BY 15 34 DQ10 RX6 10 Clock
High Selector
Block A18 16 33 DQ2
Voltage Divider
Inform A17 17 32 DQ9
Program Gen. LPF 13
A7 18 31 DQ1
Control A6 19 30 DQ8
A5 20 29 DQ0 XIN 29
Oscillation
A4 21 28 OE
XOUT 28
A3 22 27 Vss Amplifier
CE
A2 23 26 27
A1 24 25 A0 XMCK
34
CKST
I J K
IC376: TAS5086DBT
2 4
8 9 PWM processor 9
DVDD
DVSS
DVSS_ESD
VR_DIG
Power
VR_ANA
Supply
VR_OSC
AVDD
AVSS_PLL
VREG_EN
Chan.
SDIN1 1-6
Serial
SDIN2
Data MUX
SDIN3
Interface
SDIN4
SDIN4 1-5
Channel
Selector
MCLK Block
SCLK
to DIGITAL 4/8
LRCLK Clock Rate
1.3 2.5 PLLFLTP /Error
PLLFLTM
Detection
HFCLK
and PLL
OSCFLT
OSC_RES
IC471
2.5
0 0
SDA Serial
Control
SCL
Interface
RESET
PDN System
MUTE Control
BKNDERR
3.3
0
0
0
0.4
0.3
1.1
1.1
0
3.3
3.3
0
3.3
0
3.3 1.7
0
1.9
1 3.3 5 1 5 0 8 9 1.5 2
3.3 2.4
3.3 0.8
0.8
1.3 0.8
3.3
0
3.3
1.9
3.3
0 FLASH MEMORY
3.3
0.4
3.3
0.8
1.3
0.8
0.5
0
2.4
3.3
1.3
1.2
1.5
3.3
1.9
1.2
0
0.5
3.3
0
1.7
0.5
1.1
0.5
0
3.3
1.3
0.5
1.1
0.5
0.3
0
0
0.5
3.3
3.3
2.8
3.3
3.2
3.3
1.9
3.3
3.3
0.4
0.8
0.8
0.8
2.4
3.3
SDRAM
IC375: PCM1803DBR
Stereo A/D converter
Delta-Sigma BCK
V L
IN Modulator
41 LRCK
XMODE m
DOUT
Serial
x 1/64, x 1/128 Interface
V 1 Decimation
40 CL REF
Reference Filter
39 CE c o With Mode/
V REF 2
High-Pass Filter FMT0
38 DI Format
Control FMT1 V L 1 20 MODE1
37 DO IN
Delta-Sigma MODE0 V IN R 2 19 MODE0
V IN R V 1 3 18 FMT1
Modulator MODE1 REF
V 2 4 17 FMT0
REF
BYPAS V CC 5 16 OSR
36 AGND 6 15 SCKI
RERR TEST
PDWN 7 14 V
OSR
24 SDIN BYPAS 8 13 DGND
Clock and Timing Control PDWN
Power Supply TEST 9 12 DOUT
RDATA SCKI LRCK BCK
21 10 11
V AGND DGND V
CC DD
16
RMCK
17 RBCK
20 RLRCK
22 SBCK
23 SLRCK
L M N
YMC-700/YMC-500
2
8 9 9
1LF
6
L' MUX MUX PWM1
VR_ANA 1 38 PWM_1
2RF AVDD 2 37 PWM_2
6
R' MUX MUX PWM2
AVSS 3 36 PWM_3
AVSS 4 35 PWM_4
6
3LS PLL_FLTM 5
34 PWM_5
MUX PWM3
Ch
PLL_FLTP 6 33 PWM_6
1-6
1-5 L' AVSS 7 32 VALID2
4RS Vol PWM 6
Down-
R' MUX PWM4
mix MCLK 8 31 VALID1
RESET 9 30 VR_DIG
5C
6
(L'+R')/2 MUX MUX PWM5 PDN 10 29 DVSS
(L'+R')/2
DVDD 11 28 DVSS
6
DVSS 12 27 BKND_ERR
1-6 MUX PWM6
Channel Six Processing DVSS_OSC 13 26 SDIN1
Bass Management
OSC_RES 14 25 SDIN2
VR_OSC 15 24 SDIN3
PWM MUTE 16 23 SDIN4
VALID1
Control
VALID2 SDA 17 22 SDOUT
Downmix
SCL 18 21 RESERVED
I2S Serial
SDIN4 MUX SDOUT
Output
LRCLK 19 20 SCLK
IC471: R1172S121D-E2-F
Voltage regulator
V DD 6 1 V OUT
Vref
Current Limit
CE 3 2,5 GND
to DIGITAL 5/8
Pin No. Symbol Description
1 VOUT Output Pin of Voltage Regulator
2, 5 GND Ground Pin
3 CE Chip Enable Pin
4 NC No Connection
6 VDD Input Pin
0
IC472, 473: TC74VHC153FT
3.3
Dual 4-channel multiplexer
0
0.7
A 14
0.5 S0
0 S0
0.5
S1
0.6
S1
0.5
B 2
S2
0.8
S2
0.5
3.3 S3
S3
0.8
0.5
1C0 6
7 1Y
S0
0.5
1C1 5
0.5
S1
1.5
0.5 1C2 4
1.2 S2
4 9 8 2 9 9
3.3
1C3 3
0
S3
3.3
1G 1
3.3
10
2C0 9
2Y
S0
2C1 1 1
S1
2C2 12
S2
2C3 13
S3
2G 15
0 IC478: 74LVC3G04DP
0.7
Triple inverter
0
0
1A 1 8 Vcc
0.6
3Y 2 7 1Y
3.3 2A 3 6 3A
0.8 GND 4 5 2Y
0.8
0
0.4
0.5
3.3
0.5
0
0.4
1.7
3.3
0
0.3
1.1
1.1
1.7
1.9
1.5
0
IC379: SN74LVU04APWR
IC378, 474: 74LVC08APW
Hex inverters
Quad 2 input AND gate
1A 1 14 Vcc
A1 VCC
1 14
1B 2 13 4B
Y1 2 13 A6
1Y 3 12 4A
2A 4 11 4Y
A2 3 12 Y6
2B 5 10 3B
Y2 4 11 A5
2Y 6 9 3A
GND 7 8 3Y A3 5 10 Y5
Y3
6 9 A4
DD GND 7 8 Y4
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
81