Yamaha RX-V671 Service Manual page 89

A B
1
→
DIGITAL
SCHEMATIC DIAGRAM
2
3
4
CLK CLK
/CS /CS
/RAS /RAS
5
/CAS /CAS
/WE /WE
CKE CKE
A10/AP A10/AP
SDRAM SDRAM
DQM DQM
256Mbit (x8)
256Mbit(x8)
+5.5D
VOUT
VIN VOUT
6
IC943,IC944
DC/DC
BD9329AEFJ
7
C D
Front USB NERWORK
Bus Power 1A
USB_24M
4,5
+5V
IC906
Ethernet PHY
KSZ8051RNL
High Side
Switch
VOUT VIN
IC901
NETWORK MICROPROCESSOR
Blackfin
W20-Y11
ADDR[1:19] ADSST-DR-11Z
W8-V1
(ADSP-BF527)
DATA[0:15]
Core Clock:529.92MHz (23.04MHz x 23)
SDRAM Clock : 132.48MHz (Core Clock /4)
K20
BF_CLK
CLKOUT
BF_N_SMS R19
/SMS
BF_N_SRAS T19
/SRAS
BF_N_SCAS U20
/SCAS
BF_N_SWE T20
/SWE
BF_SCKE P20
/SCKE
BF_SA10 U19
/SA10
BF_SDQM0 V19
/SDQM0
V20
/SDQM1
BF_SDQM1
+3.3NET +1.2NET
SW
VIN
VOUT
JTAG DEGUG
Core
Power
Supply
E F
NET/USB Section Block Diagram
PHY_25M
6,7
IC909
IC910
EEPROM
Apple
128Kbit
Coprocessor
R1EX24128ASAS0A
MFI341S2164
2SC4081
BF_I2C_SCL
BF_I2C_SDA
23M
A10
XTAL
XL901
23.04MHz
A11
CLKIN
NET
BF_BCK0
TSCLK0
BF_WCK0
TFS0
BF_SDO0
DT0PRI
USB
BF_BCK1
TSCLK1
BF_WCK1
TFS1
BF_SDO1
DT1PRI
NET_MSEL
F1
PF0
E1 NET_FSSEL
PF1
C2 USB_MSEL
PF6
USB_FSSEL
B1
PF7
AHCLKX0
IC921
DSP
D70YE101BRFP266
NCPU_N_RST
NCPU_MOSI
NCPU_MISO
R32C_N_INT
BF_MT
NCPU_N_INT
NCPU_PIC_CLK
NCPU_PIC_MOSI
NCPU_PIC_MISO
7 8 15 16 9
Serial Flash
128Mbit
NCPU_PON
G H
IC908
Clock IC
IDT5V49EE903NLG
SDAT
SCLK
XIN
22
NCPU_MCLK1
NET_BCK MCLK1
NCPU_BCLK1
NET_WCK BCK1
NCPU_WCLK1
NET_SDI
WCK1
NCPU_SDO1
SDO1
USB_BCK
IC907
USB_WCK NCPU_MCLK2
MCLK2
CPLD
USB_SDI NCPU_BCLK2
BCK2
LC4032ZE-7TN48C
NCPU_WCLK2
38 WCK2
NET_MSEL NCPU_SDO2
SDO2
39
NET_FSSEL
40
USB_MSEL
41
USB_FSSEL
MCLK3
BCK3
WCK3
2 DIR_MCK SDO3
DSP_MCK
142
DSP_BCK
ACLKX0 DSP_BCK
144 DSP_WCK
AFSX0 DSP_WCK
119 DSP_SD4
AXR0[4] DSP_SD4
TXD7
RXD7
IC81
SYSTEM
P11_3
MICROPROCESSOR
P10_7
TB0IN
R32C/116A
R5F6416MADFE
CLK9
ROM: 1M Byte
RXD9
RAM: 96K Byte
TXD9
Clock : 50MHz
I J
RX-V671/HTR-6064/RX-A710
MAIN ZONE
DIR
PCM9211
Digital Audio
IC941
ZONE2
DAC
PCM1781DBQR Analog Audio
89