NAD C 546BEE, Руководство по обслуживанию

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SERVO BOARD
IC703: DSP T5CJ3-7D13 P-LQFP
D
VC
C
3
D
VS
S
System control circuit
Power control
circuit
SD
Controller
U
SB
_S
TA
R
T
control command
communication to
oasis
USB
HOST
Controller
TX R
X
command communication
to host MCU
USBPON
D+ , D-
SD DIN
SD CS
SD CLK
SD DET
SD DOUT
RVIN
External
Flash
SST39LF200A/400
D0 to 15
OE
WE
CE
A0 to 17
DVCC1A DVCC1B
BU
S0
～
3
C
C
E
BU
C
K
D
-E
R
Q
BSIF_GATE
BSIF_LRCK
BSIF_REQ
BSIF_DATA
BSIF_BCK
A MUTE
IN
N
ER
SB
BY
RVOUT1, RVOUT2
X1/X2
MODE0-4
/RESET
TEST
/RESET
T5CJ3-7D13
LQFP100
TOPVIEW
1
5
10
15
20
25
30
35 40 45
50
55
60
65
70
75
80
85
90 95
10
0
USB_START
SBSY
INNER
DVCC3
TEST
TEST
TEST
DVSS
DVCC1B
D-REQ
RVOUT1
RVIN
RVIN
RVOUT2
DVCC1A
DVSS
D2
D3
D5
D7
X1
DVSS
X2
MODE0
BSIF_LRCK
CE
CCE
RC RESET
RC TEST
BUCK
WE
OE
DVCC3
DVSS
MODE4
BUS3
BUS2
BUS1
BUS0
A17
A16
A15
A14
A13
A12
A1
1
A1
0
A9 A8 A7
DVC
C3
DVSS
A6 A5 A4 A3
A2 A1 A0
O
as
is
Re
se
t
D15 D14 D13 D12
D1
1
D10
D
9
D
8
DVC
C3
DVSS
BSIF
_DA
TA
SD DET BSIF
_BCK
BSIF
_G
ATE
DVC
C3
BSIF
_REQ
M
O
DE2
TEST M
O
DE3
DVSS R
X
TX SD CLK
SD DIN SD DO
UT
DVSS TEST M
O
DE
1
D
-
D
+ USBP
O
N
AM
UTE
D6
DVC
C
3
TEST
D4
SD CS
D0
D1