Sony CDP-CX57 Service Manual ▷ View online
– 21 –
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
¢
: internal component.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
•
: Solder bridge.
•
Indication of transistor.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
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
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark: PLAY
no mark: PLAY
• 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.
• Signal path.
J
: CD
c
: digital out
• Abbreviation
AED
: North European
AUS
: Australian model.
CND : Canadian model.
E2
E2
: 120 V AC Area in E model.
E3
: 240 V AC Area in E model.
SP
: Singapore model.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
12345678
12345678
12345678
12345678
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
– 22 –
• Waveforms
– BD Section –
1
IC101
$¡
(RFSM) (PLAY MODE)
2
IC101
@º
(FE) (PLAY MODE)
3
IC101
7
(TE) (PLAY MODE)
4
IC102
@¡
(PCK)
5
IC102
$¢
(XOUT)
6
IC102
^º
(16M)
7
IC102
^¡
(4.2M)
– MAIN Section –
1
IC501
#™
(XTAL)
1.8 Vp-p
+0.3
–0.2
–0.2
560 mVp-p
460 mVp-p
6.2 Vp-p
230 ns
3.6 Vp-p
16.9344 MHz
5.4 Vp-p
4.2 MHz
4.4 Vp-p
10 MHz
6.2 Vp-p
16 MHz
– DIAPLAY Section –
1
IC901
%•
(OSC0)
2.3 Vp-p
480 ns
CDP-CX57
– 23 –
– 24 –
7-1.
BLOCK DIAGRAMS
– BD SECTION –
• Rch is same as Lch.
• Signal Path
: CD
: CD (digital)
• Signal Path
: CD
: CD (digital)
OPTICAL PICK-UP BLOCK
(KSS-213B/S-N)
DETECTOR
K
B+
A
D
C
B
E
F
A
D
C
B
1
4
2
5
5
10
6
2
1
3
4
6
7
20
21
AUTOMATIC
POWER CONTROL
Q103
62
63
LDD
LDS
TO
FD
SPD
53
51
52
50
43
49
44
41
FIN1
FIN2
FOCUS/TRACKING SERVO,
RF AMP
IC101 (1/2)
E
F
TE–
TE
FE
FE–
SLC
54
DRF
SLI
DEF
CLK
DAT
CL
CE
54
57
56
61
1
9
EFMO
DEFI
4.2M
COIN
CQCK
RWC
51
50
49
47
60
16M
SBSY
PW
SFSY
SBCK
40
39
38
37
34
36
35
TGL
33
JP+
32
JP–
TOFF
TES
HFL
SLOF
CV–
CV+
12
13
14
15
18
16
17
TGL
19
JP+
20
JP–
25
CONT2
10 EFMIN
37
LCHO
RCHO
R-CH
TOFF
TES
HFL
35
31
DOUT
MUTEL
45
44
XOUT
27
CONT4
S101
(LIMIT IN)
XIN
V/P
CLV–
CLV+
RFSM
X101
16.9344MHz
LASER
DIODE
TRACKING
COIL DRIVE
22
19
20
FOCUS/TRACKING
COIL DRIVE
IC103 (1/2)
FOCUS
COIL DRIVE
15
15
16
27
17
18
2-AXIS
DEVICE
TRACKING
COIL
FOCUS
COIL
T+
F+
T–
F –
SLED SERVO
IC101 (2/2)
SLED/SPINDLE
MOTOR DRIVE
IC103 (2/2)
30
31
29
10
SLED MOTOR
DRIVE
7
•
8
M
M102
SLED MOTOR
SPINDLE MOTOR
DRIVE
MUTE
3
2
5
•
6
M
M101
SPINDLE
MOTOR
SLD
SL–
SL+
DQSY
SRDT
SRDT
SCLK
DRF
SL–
SL+
TGL
COIN
CQCK
RWC
WRQ
SQOUT
LOUT
XMODE
MUTEL
DOUT
RST
05
EXCK
WFCK
CD-TEXT DECODER
IC104
1
4
SBSO
SCOR
2
3
DQSY
SRDT
13
12
SCLK
XMODM
11
6
MCK
5
SLED MOTOR
DRIVE
Q101, Q102
53
WRQ
55
SQOUT
CONT3
26
RES
58
B
DIGITAL SIGNAL
PROCESSOR,
CLV SERVO PROSESSOR,
DIGITAL FILTER,
D/A CONVERTER
D/A CONVERTER
IC102
(Page 25)
A
(Page 25)
PD
LD
40
MUTER
R-CH
42
CDP-CX57
– 25 –
– 26 –
– MAIN SECTION –
LINE AMP,
LOW-PASS FILTER
IC301,401
MUTING
Q331
MEGA CONTROL
MUTING SWITCH
Q381
MIX AMP
IC302
POWER ON
MUTING
Q301
POWER ON
MUTING CONTROL
SWITCH
Q380
DIGITAL OUT
OPTICAL
IC701
MUTING
Q302
MUTING
CONTROL
SWITCH
Q304
MUTING
DRIVE
Q305
MUTING
Q303
MUTING
CONTROL
SWITCH
Q382
RESET
SWITCH
Q501
LED DRIVE
Q902-907
D901-903,
909-911
28
29
61
51
52
60
58
55
54
50
49
48
47
59
57
61
60
40
60
62
63
22
26
27
21
20
42
25
62
63
64
23 24
38 39 40
56
2
3
1
RESET
SIGNAL GENERATOR
IC201(1/2)
5
3
2
39-4
41-55
59-45
6-30,41-31
BUFFER
Q901
1
•
3
63
•
65
D904-908
DISC SENSOR
Q51
Q51
1
3
5
KEY MATRIX
S901-S924
REMOTE
CONTROL
RECEIVER
IC902
1
LOADING
MOTOR
DRIVE
TABLE
MOTOR
DRIVE
DISC TABLE
FLAG SENSOR
IC52
DISC TABLE
HOME POSITION
SENSOR
IC53
DISC TABLE
FLAG SENSOR
IC51
T.SENS2
T.SENS1
T.SENS3
3
2
16
17
8
9
10
11
15
14
16
17
M
M
M61
LOADING
MOTOR
M62
TABLE
MOTOR
65
13
30
43
46
45
31
32
20
66
75-77,68-71
27
11-13,15-19
RESET SWITCH
Q502
RESET
SIGNAL GENERATOR
IC203 (1/2)
8
AU BUS
BUFFER
BUFFER
Q701
RECT
D205
D205
RECT
D201, D202
RECT
D203, D204
+5V REGULATOR
IC201(2/2)
7
1
+7V REGULATOR
IC202
3
1
+5V REGULATOR
IC203(2/2)
3
1
–30V REGULATOR
Q201
DISC SENSOR
D51
MUTING CONTROL
SWITCH
Q383
LOUT
RST
MUTEL
DOUT
XMODE
SCLK
SRDT
DQSY
RWC
WRQ
DRF
COIN
SQOUT
CQCK
SL+
SL–
SL–
XMODE
ICSW
LDOUT
LDIN
TBLL
TBLR
ZMUTE
SCLK
SRDT
DQSY
RWC
RWC
WRQ
DRF
COIN
SQOUT
CQCK
SL+
SL–
CQCK
SL+
SL–
TGL
TGL
RESET
FLLT
FLCK
FLDT
LEDL
HHOUT
D.SENS
DOORSW
OPEN
CLOSE
JOG1
JOG2
KEY0
KEY1
KEY2
41
KEY3
WE
RMIN
CS(FLLT)
CP(FLCK)
DA(FLDT)
VF1
P1
|
P36
2G
|
16G
VF2
VF1
VF2
FL901 FLUORESCENT INDICATOR TUBE
T501
1G
P1
|
P36
2G
|
16G
1G
TP501
S925
PUSH OPEN
DISC
SENSOR
SENSOR
JOG
RE901
DISC/CHARACTER
PUSH ENTER
+5V
–30V
–12.4V
+7V
+5V
AC IN
VF1
VF2
VF2
FL901
T501
POWER
TRANSFORMER
X501
10MHz
J701
S-LINK
CONTROL A1
CD3
CD2
CD1
S701
LOADING/TABLE
MOTOR DRIVE
IC601
S51
(DOWN)
S52
(UP)
SYSTEM CONTROLLER
IC501
DOWNSW
CD1/2/3
BUSIN
BUSOUT
EXTAL
XTAL
A0
|
A14
D0
|
D7
UPSW
WE
A0
|
A14
D0
|
D7
RESET
CE
S-RAM
IC502
LINE OUT
2ND CD IN
J301
D304
(Page 24)
A
(Page 24)
B
FL DRIVE
IC901
4
7
8
6
18-20,23,24
17-13
FLDT
FLCK
LEDT
QJ
|
QN
QI
|
QG,
QD,
QC
LED DRIVER
IC903
05
VOLTAGE
SELECTOR
S201
E MODEL
• Rch is same as Lch.
• Signal path
: CD
: CD (digital)
• Signal path
: CD
: CD (digital)
R-CH
R-CH
R-CH
R-CH
L
R
L
R
COMMAND MODE
78-80, 1-5,
11-8,6,12,7
10-13, 25-23,
21,2,26,1
D841-D843
(FOR BD)
RST
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