Onkyo DX-HD805 Service Manual page 2

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A
B
Q Q
3 7 6 3 1 5 1 5 0
BLOCK DIAGRAM
1
256MB
DDR SDRAM
512Mb*4
Thermal Sensor
2
ADM1032AR
DDR333
100MHz
FSB400MHz
GMCH
Celeron M
FW82854
900MHz
0 Cache
T E
L
1 3 9 4 2 2 9 6 5 1 3
3
4
Power Suplly
w w w
5
.
C
ICH4-M
Hublink
FW82801DBM
ATA
32.768KHz
IDE Con.
FWH
SST
4Mbit
LAN
Controllor
32MB
RLT8100C
RJ45
NAND-FLASH
256Mb*1
25MHz
PWRGOOD
PWRON
E+5V
E+6V
VCC+12V
VEE-5V
VCC+3.3V
Vkk
F+
F-
CPU+5V
EXT
NOR-FLASH
HEADER*2
256Mb*1
x
a o
y
i
http://www.xiaoyu163.com
D
E
8
14.31318MHz X'tal
Clock Gene.
HD-DVD
ICS950812
100MHz
48MHz33MHz
ATA
Buffer
EMMA3
48MHz
33MHz
33MHz
PCICLK
48MHz
33MHz
USB2.0
Video output - CY/CB/CR
P
Q
Q
Controllor
3
7
6
3
C
uPD720101
PCI
I
B
U
S
SYSTEM CLOCK
33MHz
49.152
AIOMCK0
MHz VXO
SW
AIOMCK1
45.158
MHz VXO
Audio MCK
27MHz
CLK27M[0-1]
VXO
16bit DDR
SDRAM
interface
256MB
EMI
32MB
NAND-FLASH
2Gb*1
u 1 6 3
.
DDR2 SDRAM
EMI BUS
http://www.xiaoyu163.com
F
G
2
4
9
9
3.3V<->5VTrans.
XO
USB1.1
32.768KHz
XO
uPD78F0534
UART1
232C(8pin)
GB(S)-UEU-A
EJTAG interface
JTAG(10pin)
N-Wire interface *2
N-Wire(TP only)
(Vr5500 and V850)
UART
3.3V<->5VTrans.
0
1
5
1
5
0
8
9
2
SRAM
Video output - SY/SC
Audio
DAC
SPI
WM8740
DAO[0-4]
*1
SHARC
PCM1755
200MHz
BCK,LRC
*3
K
Audio MCK
Buffer
IEC60958 Output
DIT
IIC1
IIC0
256kb
EEPROM
IP&Scalor
DVO0
16
REON
30
32bit DDR
VX-50
SDRAM interface
m
c o
256MB
256MB
64MB
4MB
DDR2 SDRAM
GDDR SDRAM
NOR-FLASH
1Gb*2
512Mb*4
256Mb*2
32Mb
DV-HD805
H
2
8
9
9
Front Unit
USB*2
FL
REM
Timer
FL
uCOM
Driver
RS232C
4
9
8
2
9
9
DM 2chL
DM 2chR
OP Amp
FL
NJM4580
FR
*4
C
LFE
LS
RS
COAXIAL
OPTICAL
HDMI Tx
HDMI
SiI9134
Video
VIDEO
D TERMINAL
Enc
Amp
COMPONENT
ADV7340
AD8058
Video
S VIDEO
Driver
COMPOSITE
MM1757

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