Control Section - Sony SDP-EP9ES Service Manual

—CONTROL SECTION—

57
SDI0
DATA •
SDI1
56
SCKR
51
WSR
55
MEMORY
A
D/A
PLL
SECTION
(Page 17)
27
BCKO
LRCKO
DIRDAT 68 DIRDAT
(Page 17)
DIWDAT 69 DIWDAT
DIRLAT 70 DIRLAT
D/A
E
DIRCLK 71 DIRCLK
SECTION
DIRERR 72 DIRERR
(Page 17)
DIRRST
D/A
DSELA1 74 DSELA1
D
SECTION
DSELA0 75 DSELA0
(Page 20)
DOLBY
77 REF-RES
AC. RST
G
AC-3
MUTO 76 RF-ERR
SECTION
RESET 1 RESET
POWER
H
STOP 80 STOP
SECTION
(Page 23)
09
DIGITAL SIGNAL PROCESSOR
IC424
47 57
SDO0
• •
SDO1
46 56
SCKT
49 51
AUDIO
WST
50 55
I/F
49
50
DIGITAL SIGNAL
PROCESSOR
HOST
I/F
26 35 41 42 43 36
EEP ROM
IC202
6 5
41 40 28 27 26 39 15 16
2•3 17 18 19 22 - 20 11 9 13 10
1 5
11 - 9
Y A0 - A2
OUT
X201
16MHz
SELECT SWITCH
30 29 5 4
SIRCS
IC254,255
RECEIVER
IC256
D0 D7
DOUT
4 - 1•15 - 12
26 - 17•16 - 7
KEY ARRY
ROTARY
ENCODER
FLUORESCENT INDICATOR TUBE
— 21 —
DIGITAL SIGNAL PROCESSOR
IC423
47
SDO0
SDI0
SDO2
45
SDI1
SDO1
46
SCKR
AUDIO
WSR
I/F
SCKT
WST
DIGITAL SIGNAL
MEMORY
PROCESSOR
MEMORY
I/F
HOST
PLL
I/F
MD0
27 26 35 41 42 43 36 76 77 78 80
71•69 - 67•65 - 62
24 29 31 13 - 15•17 - 21
D0
48 46 44 43 42 45 31
SYSTEM CONTROL
IC201
25 30 23 24
FL DRIVER
IC251, 252 34 24 37 26 35
3 29 DI
1 - 20•41 - 56
FROM
F
FL251
POWER TRANSFORMER
MD7 DA0 MA15
25 - 22•20 - 18•16•14 - 11•7•5 - 3
12 - 5•26•27•23•25•4•28•3•2
ANADIG
D7 A0 A15
S RAM
DF-DAT
IC422
DA-LAT
DA-CLK
DA-DAT
LR+8DB 62
+8DB SWITCH
SS+8DB 64 Q617, 618, 621,
622,625,626
CS+8DB 66
CONTROL
LR+4DB 63
+4DB SWITCH
SWITCH
SS+4DB 65 Q619, 620, 623,
Q601 - 616
624,627,628
CS+4DB 67
MUT 61
RY-OFF 60
VOLUME MOTOR DRIVE
RV251
IC253
• Signal path
3 8
M
DRIVER
2 7
LED DRIVE
Q251
MASTER VOL
— 22 —
SDP-EP9ES
SOA
B
SOB
SOC
D/A
SECTION
(Page 17)
EXTAL
50 ANADIG
SRCINI 51 SRCINI
52 DF-DAT
DF-CLK 53 DF-CLK
DF-LAT 54 DF-LAT
DF-INI 55 DF-INI
57 DA-LAT
58 DA-CLK
59 DA-DAT
F
D/A
F. 8DB
SECTION
R. 8DB
(Page 17)
C/S. 8DB
F. 4DB
R. 4DB
C/S. 4DB
MUT
RY-OFF
:Digital in