STEP1
IFOK
BA1
82~85
88
C2HBZC000008
IC802
DIGITAL SIGNAL
PROCESSOR
93
(98)
MICOM
I/F
D-IN/OUT
80
79
78
73
72
69
68
67
66
65
64
63
ADC
(MIC)
ADC
Lch(Rch)
89
BOO
T
BA0
IFDI
IFCK
DOUT
DIN
EBCI
EBCO
ELRI
ELRO
SYNC
MIN
MOUT
LIN(RIN)
86
+B3
VDM
87
VRM1
90
VRM2
TST0~3
GNDM
91
92(99)
VSAL
(VSAR)
94(97)
AVRL
(AVRR)
95
(96)
VDL
(VDR)
+B3
1
2
XI
XO
DAC(L/Rch)
ATT
5
(12)
AO
L
(A
OR)
6
(11)
AO
LT
(A
OR
T)
DAC(Cch)
ATT
AO
C
16
A
OCT
15
18
AICT
VRC
17
VRI
20
21
(30)
+B3
AISLC
(AISR
T)
VRSL
(VRSR)
22
(29)
DAC
(SL/Rch)
ATT
24
(27)
A
OSL
(A
OSR)
25
(26)
GNDASL
(GNDASR)
58
57
EM1
EM0
TP0~13
32~36,
40~47,52
54,
62
38
V
DD
V
DD
R
+B2
51,
70
GND
23
A
OSL
T
SUR
L1
71
/CS
75
CK
DO
CS2
60
STEP0
61
/RESET
RST2
59
53
MCK
50
CK
O1
49
CK
O0
48
FS
+B2
+B2
CCHMIC
VDX
3
+B3
GNDX
100
28
A
OSR
T
R ch
X
8
(10)
AIL
T
(AIR
T)
NJM4558MTE1
IC302
REC
L
GND
A
C
14
VRL
R
7
Q313
C
OUT
C2BBFD000246
IC401
SYSTEM CONTROL
DA
C
K
9
DSP
ACK
RESET
18
DSP
RST
DCS
7
DSP
CS
DCK
10
DSP
CK
DDO
11
DSPDIO
DDI
12
+B2
1
V
CC
35
CK
CK
31
RST1
RST1
32
CS1
CS1
36
DO
DO
33
RST2
RST2
34
CS2
CS2
21
V
SS
15
GND
MUT
F
29
EXP1
1
MUT
SB
25
EXP15
4
5
6
NJ
ST
ECK/NJ
CK
EDA/NJ
DT
ST
CLK
DA
8
SENSE
DSP
SNS
2
VREF
XIN
XOUT
19
20
X401
(8MHz)
22
EXP18
A
V
I6CH
DIN
DOUT
EBCIO
ELRIO
4
(13)
GND
AL
(GND
AR)
+B3
9
VDAR
SELF
BOOT
ASP
(AUDIO DIGITAL SIGNAL PROCESSOR)
DELAY RAM
(4kword x 16bit)
TIMING GENERATOR
INTER-
POLATION
FILTER
DECIMATION
FILTER
POLYGONAL LINE
CANCELLATION
RUNNING
AVERAGE
FILTER
TIMING
GENERATOR
BUFFER
AMP
REC
L1
ATT
CONT.
ATT
Q308
A
TT1
/ERR
76
74
IFDO
26
EXP14
AT
T
ATT
Q310
3
AV
SS
16
SW1
24
EXP16
STIA
V
SL
(1/2)
Содержание SH-DV250
Страница 5: ... Check the main P C B as shown below 5 ...
Страница 21: ...H010400000KA HH 21 ...
Страница 35: ......