SDP-EP9ES
SERVICE MANUAL
Photo : GOLD
US Model
Canadian Model
AEP Model
E Model
Chinese Model
SPECIFICATIONS
DIGITAL SURROUND PROCESSOR
MICROFILM
— 1 —
5-2. BLOCK DIAGRAMS
—DA SECTION—
DIGITAL 1
DIGITAL
INPUT
IC306
3OUT
DIGITAL 2
DIGITAL
INPUT
IC305
INPUT
DOLBY
AC-3
SECTION
C
(Page 20)
D
CONTROL
SECTION
(Page 21)
E
CONTROL
SECTION
(Page 21)
F
CONTROL
SECTION
(Page 22)
09
DIGITAL 3
DIGITAL
INPUT
IC304
DAO
DSELA0
DSELA1
DIRCLK
DIRLAT
DIWDAT
DIRDAT
DIRERR
DIRRST
ANADIG
EXTAL
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
J301
3OUT
3OUT
INPUT 4
INIT
DT
ATT
SHIFT
LATCH
ST
CK
5
4
3
6
SELECTOR
IC302
D1
D2
D3
D0
3
A0
14
BUFFER
IC307
SDP-EP9ES
(Page 21)
9
(Page 22)
SUPER WOOFER
SELECTOR
IC404 (2/2)
Y0
Y1
Y2
SA0A1
5
1
2
CONTROL
SECTION
A
DATA
BCKO
LRCKO
CONTROL
SECTION
B
SOA
SOB
SOC
CENTER
4
7
12
BCK
LRCK
128FS
1
2
3
7
1
2
3
7
DATAI
LRCKI
BCKI
FI128
DATAI
LRCKI
BCKI
FI128
SAMPLING RATE
CONVERTER
IC401
SAMPLING
RATE
CONVERTER
SAMPLING
RATE
COUNTER
FLAME
COUNTER
INIT
10
SAMPLING RATE
CONVERTER
IC403
SAMPLING
RATE
CONVERTER
SAMPLING
RATE
COUNTER
FLAME
COUNTER
INIT
10
DATAO
LRCKO
BCKO
XI
BUFFER
IC408
10 11
65
DATAO
30
LRCKO
32
BCKO
31
XI
13
DIGITAL FILTER, D/A CONVERTER
IC405
CLOCK
10
FILTER
F404
FILTER
F401
FILTER
F402
CLOCK
XIN
8
9
2
1
IC407
CONVERTER
MODE
X401
49.152MHz
CONVERTER
MODE
D/A
ATT
34 35 36 37
D/A
ATT
34 35 36 37
DIGITAL
FILTER
GENERATOR
13
12
DIGITAL FILTER, D/A CONVERTER
DIGITAL
FILTER
GENERATOR
SHIFT
SHIFT
LATCH
LATCH
R1(+)
R1(-)
R2(+)
R2(-)
R1(+)
R1(-)
R2(+)
R2(-)
XIN
INIT
INIT
21
23
18
16
CONVERTER
21
23
18
16
10
13
12
9
8
DATAI
40
LRCKI
39
BCKI
38
512FSO
45
IC425
DATAI
40
LRCKI
39
BCKI
38
512FSO
45
30
32
31
13
1
2
3
4
D/A
IC421
25
24
27
28
REAR
L-CH
IN1+
IN1IN2+
IN2-
DIGITAL VOLUME
IC410
ECL
SW
VOLUME
CONTROL
VCNT
12
15
1
D/A
CONVERTER
SHIFT
REGISTER
LEVEL
SHIFT
CK
DT
ST
1 3
2
IO1+
IO1IO2+
IO2-
4
+
5
2
+
1
MUT
RY-OFF
REAR L-CH
MUT
RY-OFF
CENTER
MUT
RY-OFF
IC416
L.P.F.
L.P.F.
5
F.8DB
R.8DB
C/S.8DB
4
F.4DB
1
8
7
R.4DB
1
8
7
C/S.4DB
1
R-CH, SUPER WOOFER is omitted.
•
REAR L-CH and CENTER part was omitted.
•
RY608
RY610
RY612
IC602
MIX
AMP
3
678
678
H.P.F.
F
R
C
F
R
C
IC607
BUFFER
RY607
3
6
6
FRONT
REAR
CENTER
J601
FRONT
L
J601
OUT
REAR
PUT
L
J602
CENTER
L
BYPASS
L
5
4
1
RY609
1
RY611
1
J603
(Same as FRONT L-CH)
Signal path
•
:Digital in
:Digital out
:RF (AC-3)
DIGITAL AUDIO
INTERFACE RECEIVER
IC301
DIN2
7
Y
A1
2
2
DATAO
XLAT
SWDT
SRDT
EROR
XMODE
E/D OUT
AVOCK
LRCK
BCK
FS128
23
3
6
VIN
11
22
21
20
2
1
DIN1
SCLK
14
15
16
17
24
10
10
1
RV301
SELECTOR
IC404
(1/2)
B2 Y2
VIN
DIGITAL
OUTPUT
IC303
REC OUT
OUTPUT
PLL
3
6
13
B0
B1
B3
— 18 —— 17 —
SDP-EP9ES
—AC-3 (RF) SECTION—
J901
AC-3
RF
INPUT
IC904
31
BUFFER
Q902
BUFFER
Q904
MUTE SW
Q901
3
L.P.F.
1
IC902
IC902
67
BUFFER
Q903
+
2
FILTER
FL902
1
4
COMPARATOR
COMPARATOR
7
IC903
AMP
IC904
6
9
+
-
IC906
13
7
5
6
RV901
NO ADJUSTMENT
DIGITAL SIGNAL PROCESSOR
(AC-3 RF DEMODULATOR)
IC901
IC906
9
8
10
X902
46.08MHz
L.P.F.
IC905
X901
18.432MHz
DIN
DEMODULATION S/P
82
XIN
DIGITAL
4
PDO
PHASE
57
COMPARATOR
INVERTER
IC906
ERROR
CORRECTOR
PLL
V1
55
41
DIVIDER
X LOCK
MUTI
78
WE
35 41
OE
DB0 - DB8
51 - 43
A0
21 - 24•26•27•30•31•37•38•42•39•33•34
DAI
CONTROL
DIVIDER
ADDRESS
GENERATOR
DIGITAL
OUT
CPU
INTERFACE
A14
DAOUT
65
RESET
8 AC. RST
MUTO
59
DAO
MUTO
C
D/A
SECTION
(Page 17)
G
CONTROL
SECTION
(Page 21)
DATA - BUS DB0 - DB8
• Signal path
:RF (AC-3)
09
DB0 - 4
11 - 13•15 - 19
I/O0 I/O7
A0 - 14
10 - 3•25•24•21•23•2•26•1
A0 A14
S RAM
IC907
ADDRESS - BUS A0 - A14
27 22
DB0 - 8
OE
WE
27 22
OE
WE
DB5 - 8
11 - 13•15 - 19
I/O0 I/O7
A0 - 14
A0 - 14
10 - 3•25•24•21•23•2•26•1
A0 A14
S RAM
IC908
— 20 —— 19 —