Sony SCD-CE775 Service Manual ▷ View online
SCD-CE775
33
33
32 DSI1
34 DSI2
40 DSI5
42 DSI6
36 DSI3
38 DSI4
30 FS64
28 FS128
56
DSAL
58
DSAR
69
PHREFO
92
CDDATAL
90
LRCKO
DSD DIGITAL SIGNAL PROCESSOR
IC803
DSL
DSR
DSLS
DSRS
DSC
DSLF
E64FSO
E128FSO
25
(Page 32)
DSL, DSR,
DSLS, DSRS,
DSC, DSLF,
E64FSO, E128FSO
DSLS, DSRS,
DSC, DSLF,
E64FSO, E128FSO
7
XMSLAT
93 CDDATASL
79 XABSL2
CDMODE
HDMODESEL
XZLAT
82 XABSL1
28
(Page 32)
XZLAT,
CDMODE,
HDMODESEL
CDMODE,
HDMODESEL
MSDATO
29
(Page 32)
SHRRDY,
MSCK, MSDATI,
MSDATO, XRST DSD
MSCK, MSDATI,
MSDATO, XRST DSD
MSDATI
MSCK
XRST DSD
SHRRDY
4
MSDATO
99 XRST
5
MSDATI
6
MSCK
3
MSREADY
94 BCKI
88 MCKI
95 LRCKI
96 CDDATAI
85 DVCKI
BCLK
ZMCKI
LRCK
MDAT
17
(Page 31)
MDAT,
LRCK,
BCLK
LRCK,
BCLK
24
(Page 32)
ZMCKI,
256FS
256FS
256FS
• SIGNAL PATH
: SACD PLAY
: CD PLAY (ANALOG OUT)
• R-ch is omitted due to same as L-ch.
8
9
3
4
5
6
11
10
1
2
CLOCK BUFFER
IC304
X301
11.2896MHz
60
DSALS
62
DSARS
1
DSDL
2
DSDR
20
DBCK
4
PDATA
5
PLRCK
3
PBCK
PCM
INTERFACE
DSD
INTERFACE
PCM
FILTER
DSD
FILTER
18
PSCK
19
DSCK
MUX
MULTI LEVEL
DELTA SIGMA
MODULATOR
MULTI LEVEL
D/A
CONVERTER
MODE
CONTROL
15
MD
16
MC
17
MS
9
VOUTL
10
VOUTR
DATA
SHIFT
LATCH
DIGITAL FILTER,
D/A CONVERTER
IC302
1
DSDL
2
DSDR
20
DBCK
4
PDATA
5
PLRCK
3
PBCK
PCM
INTERFACE
DSD
INTERFACE
PCM
FILTER
DSD
FILTER
18
PSCK
19
DSCK
MUX
MULTI LEVEL
DELTA SIGMA
MODULATOR
ANALOG
LOW-PASS
FILTER
MULTI LEVEL
D/A
CONVERTER
MODE
CONTROL
15
MD
16
MC
17
MS
9
VOUTL
10
VOUTR
DATA
SHIFT
LATCH
DIGITAL FILTER,
D/A CONVERTER
IC303
1
DSDL
2
DSDR
20
DBCK
4
PDATA
5
PLRCK
3
PBCK
PCM
INTERFACE
DSD
INTERFACE
PCM
FILTER
DSD
FILTER
18
PSCK
19
DSCK
MUX
MULTI LEVEL
DELTA SIGMA
MODULATOR
MULTI LEVEL
D/A
CONVERTER
MODE
CONTROL
15
MD
16
MC
17
MS
9
VOUTL
10
VOUTR
DATA
SHIFT
LATCH
DIGITAL FILTER,
D/A CONVERTER
IC301
26
(Page 32)
DATA, SHIFT, LATCH, AMUTZ
27
(Page 32)
MUTE
AMUTZ
64
DSAC
66
DSASW
R-CH
R-CH
MUTING
Q401
MUTING
Q402
MUTING
Q403
R-CH
R-CH
R-CH
MUTING
Q421
MUTING
Q422
MUTING
Q441
MUTING
Q442
MUTING
Q541
MUTING
Q542
LINE
AMP
AMP
IC307
D305
D304
MUTING
CONTROL
SWITCH
Q301
MUTING
CONTROL
SWITCH
Q303
R-CH
PHONES LEVEL
RV881
PHONES
J881
HEADPHONE
AMP
IC308
L
R
ANALOG
2CH OUT
J301
L
R
J302
FRONT
SUB WOOFER
CENTER
L
R
ANALOG
5.1CH OUT
R-CH
R-CH
R-CH
SURR
LINE
AMP
AMP
IC306
LINE
AMP
AMP
IC305
ANALOG
LOW-PASS
FILTER
ANALOG
LOW-PASS
FILTER
6-4.
BLOCK DIAGRAM – AUDIO Section –
SCD-CE775
34
34
S807 – 811
S808
X
AMS
L
l
S807
H
S809
x
EX-CHANGE
S810
DISC SKIP
S811
MENU
S803
S801 – 805
S801
m
S802
m
SACD/CD
S804
MULTI/2CH
S805
S812 – 816
TIME/TEXT
S812
REPEAT
S813
PROGRAM
S814
SHUFFLE
S815
CONTINUE
S816
S806, 817 – 821
S817
DISC 3
S819
S821
DISC 5
DISC 1
S818
DISC 2
S820
DISC 4
S806
A
OPEN/CLOSE
PUSH ENTER
S830
ROTARY
ENCODER
REMOTE
CONTROL
RECEIVER
IC802
60
KEY0
61
KEY1
62
KEY2
63
KEY3
82
RM
59
LED DRV
53
SDOUT
54
SLK
56
REQ
55 FL. DATA (DI)
54 FL. CLK (CL)
53 FLT (CE)
OSC
C805
R801
R801
50 OSC0
51 OSC1
52
FLRST
30
(Page 32)
XRST DP
31
S35
61
–
64, 1
–
30
45
–
32
46, 47
3G
–
16G
1G, 2G
S1
–
S34
CPU
IC901 (3/3)
FLUORESCENT INDICATOR TUBE DRIVER
IC801
57
P1
58
P2
SEGMENT
DRIVE
Q803
LED
DRIVE
Q805
D801
MULTI/2CH
D802
SACD/CD
LED
DRIVE
Q804
D803
MULTI CHANNEL DECODING
LED
DRIVE
Q701, 702
GRID
DRIVE
Q801, 802
FL801
FLUORESCENT
INDICATOR
TUBE
VF1
VF2
RECT
D953, 954
MUTE +3.3V
D+3.3V
(IC811)
(IC811)
+3V
(IC304)
DAC+5V
(IC301 – 303)
+3.3V
REGULATOR
IC310
+5V
REGULATOR
IC903
AU+7V
(IC305 – 307)
+7V
REGULATOR
IC905
HP+UR
(IC309)
RECT
D924, 925
AU–7V
(IC305 – 307)
–7V
REGULATOR
IC904
RECT
D922, 923
HP–UR
(IC309)
CDM–10V
LOADING/TABLE MOTOR DRIVE
(IC11)
VFL–33V
FLUORESCENT INDICATOR
TUBE DRIVER
(IC801)
–33V
REGULATOR
Q902
RECT
D902
D902
R907
D302
D301
T151
POWER
TRANSFORMER
VF1
VF2
D101
D+3.3V
(IC701, 901, 905)
+3.3V
REGULATOR
IC901
RECT
D910 – 913
A+3.3V
(IC701)
+2.5V
REGULATOR
IC702
+2.5V
(IC801)
+5V
REGULATOR
IC902
D+5V
(IC701)
A+5V
(IC703, 708)
M+12V
(MOTOR DRIVE (IC512))
+12V
REGULATOR
IC900
RECT
D906 – 909
+5V
REGULATOR
IC504
+5V
(COIL/MOTOR DRIVE (IC502))
S601
POWER
AC IN
D303
6-5.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
SCD-CE775
35
35
6-6.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
• Main board is multi-layer printed board.
However, the patterns of intermediate-layer have not been
included in diagram.
included in diagram.
• Indication of transistor
C
B
These are omitted.
E
Q
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : SACD PLAY
(
no mark : SACD PLAY
(
) : CD PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: SACD PLAY
c
: CD PLAY (ANALOG OUT)
I
: CD PLAY (DIGITAL OUT)
• Circuit Boards Location
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
AUDIO board
MAIN board
HEADPHONE board
POWER board
DISPLAY board
LED board
POWER SW board
KEY board
SENSOR board
RF board
JUNCTION board
PT board
REG board
LOADING MOTOR board
SCD-CE775
36
36
A
MAIN
BOARD
CN708
33
48
16
1
49
64
32
17
RF BOARD
(COMPONENT SIDE)
M3
(SPINDLE)
M
M2
(SLED)
S1
(LIMIT)
M
OPTICAL PICK-UP
BLOCK
KHM-230AAA
1-680-791-
11
(11)
E
E
E
E
RF BOARD
(CONDUCTOR SIDE)
1-680-791-
11
(11)
A
B
C
D
1
2
3
4
5
C034
C019
C014
L002
L001
L003
IC001
IC004
6-7.
PRINTED WIRING BOARD – RF Board –
•
See page 35 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D001
D-4
D002
D-4
IC001
B-3
IC004
D-4
Q001
B-4
Q002
B-5
Q003
B-4
Q005
B-5
(Page 40)
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