– 23 –
– 24 –
– CONTROL SECTION –
SDP-EP70/EP90ES
SDO0
SDO2
SDO1
AUDIO
I/F
SDI0
SDI1
27
26
DIGITAL SIGNAL
PROCESSOR
HOST
I/F
MEMORY
PLL
SCKR
WSR
35 41 42 43
36
EXTAL
SCK
MISO
MOSI
SS
HREQ
RESET
SDO0
SDO1
AUDIO
I/F
SDI1
27
26
BCKO
LRCKO
SDI0
GPIO0
DATA
DIGITAL SIGNAL
PROCESSOR
HOST
I/F
MEMORY
PLL
51
55
SCKR
WSR
SCKT
WST
GPIO0
47
•
46
35 41 42 43
36
EXTAL
SCK
MISO
MOSI
SS
HREQ
RESET
MEMORY
I/F
24 29
13 - 15•17 - 21
71•69 - 67•65 - 62
25 - 22•20 - 18•16•14 - 11•7•5 - 3
12 - 5•26•27•23•25•4•28•3•2
S RAM
IC422
15 16
5
6
SCL
SDA
EEP ROM
IC202
26
27
28
17
2•3
1
OUT
X201
16MHz
SIRCS
RECEIVER
IC256
18 19
22 - 20
5
11 - 9
Y
A0 - A2
SELECT SWITCH
IC254,255
4 - 1•15 - 12
D0
D7
KEY ARRY
ROTARY
ENCODER
10
13
9
11
29 5 4
30
3
26 - 17•16 - 7
FLUORESCENT INDICATOR TUBE
FL251
29
24
26
1 - 20•41 - 56
25
23 24
3
2
7
8
M
DRIVER
RV251
CONTROL
SWITCH
Q601 - 616
+8DB SWITCH
Q617, 618, 621,
622,625,626
+4DB SWITCH
Q619, 620, 623,
624,627,628
MD0
MD7
DA0
MA15
SOA
SOB
SOC
B
D/A
SECTION
EXTAL
ANADIG
SRCINI
DF-DAT
DF-CLK
DF-LAT
DF-INI
DA-LAT
DA-CLK
DA-DAT
F. 8DB
R. 8DB
C/S. 8DB
F. 4DB
R. 4DB
C/S. 4DB
MUT
RY-OFF
ANADIG
SRCINI
DF-DAT
DF-CLK
DF-LAT
DF-INI
DA-LAT
DA-CLK
DA-DAT
50
51
52
53
54
55
57
58
59
F
D/A
SECTION
MASTER VOLUME
LED DRIVE
Q251
VOLUME MOTOR DRIVE
IC253
34
37
35
CK
CL
(NC)
STB
(NC)
DI
OUT1
OUT36
F
FROM
POWER TRANSFORMER
DOUT
DIN
CLK
CL
LS
OUT0
OUT20
FL-DAT
FL-CLK
FL-CLR
FL-LAT
DISPA0
DISPA2
FL DRIVER
IC251, 252
DISPD0
DISPD1
SIRCSI
XTAL
•
EXTAL
DIRERR
DIRCLK
DIRLAT
DIWDAT
DIRDAT
DSELA0
DSELA1
DIRRST
STOP
RESET
MUTO
AC. RST
G
DOLBY
AC-3
SECTION
POWER
SECTION
D
D/A
SECTION
E
D/A
SECTION
A
D/A
SECTION
41 40
39
M9SCLK
MISO
M9MOSI
M9MOSS
M9MORQ
M9MRES
ROMCLK
ROMDAT
48 46 44 43 42
45 31
M4SCLK
M4MISO
M4MOSI
M4MOSS
M4MORQ
M4MRES
AN1
62
64
66
63
65
67
61
60
LR+8DB
SS+8DB
CS+8DB
LR+4DB
SS+4DB
CS+4DB
MUT
RY-OFF
30
VOLLED
AN0
VOLUME-
SYSTEM CONTROL
IC201
76
GPIO0
77 78 80
MRD
MWR
57
•
56
51
55
49
50
SCKT
WST
47
45
46
31
CE
R/W
A16
D0
D7
A0
A15
DIGITAL SIGNAL PROCESSOR
IC424
DIGITAL SIGNAL PROCESSOR
IC423
49
50
MCAS
H
• Signal path
:Digital in
09
(Page 17)
(Page 17)
(Page 17)
(Page 20)
(Page 25)
(Page 17)
(Page 17)
76
56
SDI0
57
K
DECODER
SECTION
(Page 22)
SCKR
WSR
1
68
69
70
71
72
74
75
77
76
80 STOP
RESET
TXD1
RXD1
RF-ERR
REF-RES
DSELA0
DSELA1
DIRERR
DIRCLK
DIRLAT
DIWDAT
DIRDAT
TX
RX
RESET
DECODER
SECTION
I
(Page 21)
78
79
Summary of Contents for SDP-EP70
Page 3: ... 3 SECTION 2 GENERAL ...
Page 4: ... 4 ...
Page 5: ... 5 ...
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Page 8: ... 8 ...
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Page 12: ... 12 ...
Page 35: ... 49 50 SDP EP70 EP90ES 4 12 SCHEMATIC DIAGRAM POWER SECTION Page 29 Page 29 Page 29 ...
Page 38: ... 53 SDP EP70 EP90ES 4 14 SCHEMATIC DIAGRAM CONTROL SW SECTION Page 34 Page 29 ...