VSX-LX50
65
5
6
7
8
5
6
7
8
C
D
F
A
B
E
LOAD
SW IC
IC701
USB Host
TCC8600-00X-EA-UG
1.8V
REG.
3.3V
REG.
System
Control
CPU
IC741
IC762
16M
FLASH ROM
IC703
IC702
IC771
CN701
1
CN702
CN516
2
5
10
11
7
4
6
8
1
2
5
10
11
7
4
1
2
3
4
D-
V5USB
D-
D+
GND
XRST
USB-T
x
USB-R
x
To DSP DIR
To
USB
connector
SPDIF
XRST
XFLAG
CTL
V+5USB
3
3
POWER
GNDD
Protection flag
BUS Power cnt.
V+3R3
V+3R3
V+5D
V+5D
V+3R3
IC761
64M
SDRAM
V+3R3
V+1R8
V+1R8
I/O
Internal
Core
D+
USB ASSY
AUDIO IN
ASSY
A
Main parts
Purpose
T
CC8
6
00-00X-EA-
U
G
: USB Host control decoder (MP3/WMA/MPEG-4AAC)
1
6
M FLASH
RO
M
: Firmware is stored
6
4M SD
R
AM
: Temporary storage area of decoding music file
L
O
AD SWI
T
CH
: Current limitation to USB device power
AL
Block Diagram of t
h
e
U
SB Assy
6
8
Содержание VSX-LX50
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