Sony SDP-EP70 / SDP-EP90ES Service Manual ▷ View online
4-2. BLOCK DIAGRAMS
– DA SECTION –
– 17 –
– 18 –
SDP-EP70/EP90ES
3
OUT
DIGITAL
INPUT
IC306
5
DIGITAL 1
3
OUT
DIGITAL
INPUT
IC305
DIGITAL 2
4
3
OUT
DIGITAL
INPUT
IC304
DIGITAL 3
3
DAO
6
SELECTOR
IC302
7
D1
D2
D3
D0
14 2
A0 A1
Y
DSELA0
DSELA1
D
CONTROL
SECTION
C
DOLBY
AC-3
SECTION
3
2
INPUT 4
BUFFER
IC307
14
15
16
17
24
24
10
DIRCLK
DIRLAT
DIWDAT
DIRDAT
DIRERR
DIRRST
E
CONTROL
SECTION
2
1
23
3
DIGITAL AUDIO
INTERFACE RECEIVER
IC301
DIN2
DIN1
DATAO
E/D OUT
10
1
DIGITAL
OUTPUT
OUTPUT
IC303
VIN
B2
Y2
SELECTOR
IC404
(1/2)
9
A
DATA
CONTROL
SECTION
REC OUT
OUTPUT
B
CONTROL
SECTION
1
2
3
3
DATAI
LRCKI
BCKI
SAMPLING
RATE
CONVERTER
SAMPLING
RATE
COUNTER
7
FI128
DATAO
LRCKO
BCKO
13
10
INIT
XI
SAMPLING RATE
CONVERTER
IC401
25
24
27
28
IN1+
IN1-
IN2+
IN2-
IN2-
ECL
SW
VOLUME
CONTROL
IO1-
IO2+
IO2-
IO1+
4
5
2
1
1
DIGITAL VOLUME
IC410
VCNT
+
+
L.P.F.
L.P.F.
IC416
IC602
MIX
AMP
H.P.F.
BUFFER
IC607
12
15
D/A
CONVERTER
SHIFT
REGISTER
LEVEL
SHIFT
CK
2
1
3
DT
ST
D/A
CONVERTER
IC421
1
IC425
13
12
8
9
2
1
FILTER
F401
X401
49.152MHz
FILTER
F402
12
7
4
5
2
1
3
6
13
11
22
22
21
20
1
2
3
3
DATAI
SAMPLING
RATE
CONVERTER
DATAO
SAMPLING
RATE
COUNTER
FLAME
COUNTER
7
10
INIT
13
XI
SAMPLING RATE
CONVERTER
IC403
DATAI
LRCKI
BCKI
DIGITAL
FILTER
D/A
CONVERTER
R1(+)
R1(-)
R2(+)
R2(+)
R2(-)
21
23
18
16
MODE
CLOCK
GENERATOR
10
DIGITAL FILTER, D/A CONVERTER
IC405
FILTER
F404
DATAI
LRCKI
BCKI
DIGITAL
FILTER
D/A
CONVERTER
R1(+)
R1(-)
R2(+)
R2(+)
R2(-)
21
23
18
16
MODE
CLOCK
GENERATOR
DIGITAL FILTER, D/A CONVERTER
IC407
10
REAR
L-CH
ANADIG
EXTAL
SRCINI
DF-DAT
DF-CLK
DF-CLK
DF-LAT
DF-INI
ATT
SHIFT
LATCH
INIT
DA-LAT
DA-CLK
DA-DAT
ST
CK
DT
F. 8DB
R. 8DB
C/S.8DB
F. 4DB
R. 4DB
C/S. 4DB
MUT
RY-OFF
F
CONTROL
SECTION
MUT
RY-OFF
3
RY607
5
4
1
3
RY608
5
4
1
F
J601
FRONT
L
RY609
1
RY610
1
R
J601
REAR
L
8
7
6
7
8
6
REAR L-CH
R.8DB
R.4DB
RY611
1
RY612
1
C
J602
CENTER
7
8
6
7
8
6
CENTER
C/S.8DB
C/S.4DB
MUT
RY-OFF
MUT
RY-OFF
F
R
C
FRONT
L
REAR
L
CENTER
BYPASS
J603
OUT
PUT
PUT
F.8DB
F.4DB
AVOCK
LRCK
BCK
FS128
SCLK
XLAT
SWDT
SRDT
EROR
XMODE
SELECTOR
IC404 (2/2)
Y0
Y1
Y2
B0
B1
B3
S
A0 A1
BCK
LRCK
128FS
IC408
1
2
13
12
3
4
10
11
6
5
9
8
30
32
31
LRCKO
BCKO
40
39
38
45
34 35 36
37
SHIFT
LATCH
INIT
ATT
XIN
512FSO
45
512FSO
34 35 36
37
XIN
SHIFT
LATCH
INIT
ATT
30
32
31
40
39
38
FLAME
COUNTER
INPUT
J301
BCKO
LRCKO
SOA
SOB
SOC
CENTER
DATA
128FS
LRCK
BCK
128FS
LRCK
BCK
SUPER WOOFER
BUFFER
LRCKI
BCKI
FI128
R-CH, SUPER WOOFER is omitted.
REAR L-CH and CENTER part was omitted.
(Same as FRONT L-CH)
Signal path
:Digital in
:Digital out
:RF (AC-3)
REAR L-CH and CENTER part was omitted.
(Same as FRONT L-CH)
Signal path
:Digital in
:Digital out
:RF (AC-3)
•
•
•
•
09
(Page 24)
DECODER
SECTION
(Page 21)
(Page 23)
(Page 20)
(Page 23)
(Page 23)
(Page 24)
J
– 19 –
– 20 –
SDP-EP70/EP90ES
– AC-3 (RF) SECTION –
AC-3
RF
INPUT
BUFFER
Q902
J901
3
L.P.F.
IC902
1
BUFFER
Q903
1
4
6
9
FILTER
FL902
BUFFER
Q904
+
2
7
COMPARATOR
IC903
COMPARATOR
5
6
7
RV901
NO ADJUSTMENT
AMP
IC904
IC904
3
1
DIN
DEMODULATION
S/P
ERROR
CORRECTOR
DAI
CONTROL
DIVIDER
DIGITAL
OUT
DAO
65
DAOUT
DIGITAL
PLL
4
X902
46.08MHz
L.P.F.
IC905
PHASE
COMPARATOR
DIVIDER
V1
4
1
X901
18.432MHz
INVERTER
IC906
55
57
78
X LOCK
MUTE SW
Q901
51 - 43
DB0 - DB8
21 - 24•26•27•30•31•37•38•42•39•33•34
A0
A14
ADDRESS
GENERATOR
27 22
S RAM
IC907
WE
OE
DB0 - 4
A0 - 14
27 22
WE
OE
11 - 13•15 - 19
I/O0
I/O7
11 - 13•15 - 19
I/O0
I/O7
10 - 3•25•24•21•23•2•26•1
A0
A14
10 - 3•25•24•21•23•2•26•1
A0
A14
S RAM
IC908
DB5 - 8
DB0 - 8
WE
OE
A0 - 14
A0 - 14
DATA - BUS DB0 - DB8
35 41
ADDRESS - BUS A0 - A14
INTERFACE
8
AC. RST
RESET
59
MUTO
MUTO
G
CONTROL
SECTION
C
D/A
SECTION
82
XIN
PDO
9
8
IC906
13
10
IC906
+
-
IC902
6
7
MUTI
09
DIGITAL SIGNAL PROCESSOR
(AC-3 RF DEMODULATOR)
IC901
• Signal path
:RF (AC-3)
:RF (AC-3)
(Page 17)
(Page 23)
CPU
– 21 –
– DECODER SECTION –
– 22 –
SDP-EP70/EP90ES
24
23
23
21
19
17
15
14
21
28
28
42
44
44
7
6
4
84
85
87
88
90
91
93
96
100
101
103
104
106
109
111
112
114
115
117
118
60 61 63 65 68 71 74 76 78 80
11 13 15 19
10 3 25 24 21 23 2 26 1
I/00 I/07
A0 A14
S-RAM
IC1003
OE
WE
22
27
11 13 15 19
10 3 25 24 21 23 2 26 1
I/00 I/07
A0 A14
S-RAM
IC1004
OE
WE
22
27
11 13 15 19
10 3 25 24 21 23 2 26 1
I/00 I/07
A0 A14
S-RAM
IC1005
IC1005
OE
WE
22
27
D0-D7
A0-A14
D8-D15
A0-A14
D16-D23
A0-A14
D0
D23
RD
WR
H0/PB0
H7/PB7
HA0/PB8
HA2/PB10
RESET
HEN/PB12
HR/W/PB11
EXTAL
EXTAL
HREQ/PB13
PLOCK
PLOCK
10
12
1
13
55
130
125
X/Y
A0 A13
A1-A14
A0
47
46
33
29 35 32 38 31 26 25
46
41
41
40
14
39
45
77
78
7
4
11
10
1
55
41
30
37
26
9
8
4
3
38
42
43
12
13
14
15
16
1
36
2
3
P60
|
P67
|
P67
P43
|
P45
|
P45
P47
P41
P42
P96/16MHz
P40
P46
P20/A8
RESET
P51/RXD0
P50/TXD0
P50/TXD0
MD1
STBY/FVPP
P84/TXD1
P84/TXD1
P85/RXD1
X1001
16MHz
16MHz
XTAL
EXTAL
I
CONTROL
FOR
FLASH
WRITER
SECTION
(Page 23)
J
DA
SECTION
(Page 17)
DATA
BCK
LRCK
RESET
RESET
TX
RX
MD1
FVPP
TX
RX
SDIO
SCKR
GPIO0
WSR
SDIO
SCKR
GPIO0
WSR
RXD
SCO
SC1
SC2
SRD
SCK
TXD
DIN
BCKI
LRCK
LAC3
STD
DCK
MCK
FS128
SERIAL COMMUNICATION
FORMAT CONVERTER
IC1006
SYSYTEM CONTROL
IC1002
DIGITAL
SIGNAL
PROCESSOR
IC1001
H0 - H7
HA0 - HA2
D1001
• SIGNAL PATH
: DIGITAL IN
: DIGITAL IN
K
CONTROL
SECTION
(Page 23)
STD/PC8
SC0/PC3
SC1/PC4
SC2/PC5
SRD/PC7
SSK/PC6
TXD/PC1
PXD/PC0
SC0
SC1
SC2
SRD
SSK
TXD
PXD
CLOCK
GENERATOR
GENERATOR
– 23 –
– 24 –
– CONTROL SECTION –
SDP-EP70/EP90ES
SDO0
SDO2
SDO1
SDO2
SDO1
AUDIO
I/F
SDI0
SDI1
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
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-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
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+
VOLUME-
SYSTEM CONTROL
IC201
76
GPIO0
77 78 80
MRD
MWR
57
•
56
51
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
: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
79
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