Sony CDP-CX455 Service Manual ▷ View online
CDP-CX455
29
29
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• 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.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : STOP
no mark : STOP
• 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
: CD
c
: digital out
• Abbreviation
CND : Canadian model
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
®
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Waveforms
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.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Indication of transistor
C
These are omitted
E
B
Q
C
These are omitted
E
B
SECTION 6
DIAGRAMS
6-1. Circuit Boards Location
LED board
MAIN board
TRANS board
D. MOTOR board
JOG board
BD board
DOOR SW board
T. SENS board
KEYBOARD board
D. SENS
(OUT) board
(OUT) board
DISP board
D. SENS (IN) board
LOADING SW board
L. T. MOTOR board
LOCK SW board
3.8Vp-p
1
IC104
yd
XO
1V/DIV, 20ns/DIV
59ns
1.3Vp-p
500mV/DIV, 1
µ
s/DIV
200mV/DIV, 20ms/DIV
200mV/DIV, 4ms/DIV
1V/DIV, 4
µ
s/DIV
1V/DIV, 20ns/DIV
2
IC103
qg
(RFAC)
3
IC101
ra
TE
4
IC101
el
FE
2.1 Vp-p
5
IC101
wg
MDP
3.5 Vp-p
6
IC501
ek
X2
7.5
µ
s
62.5 ns
(PLAY)
1.65V
APPROX 500mVp-p (PLAY)
1.65V
APPROX 500m Vp-p (PLAY)
CDP-CX455
30
30
6-2. Block Diagrams
– BD Section –
: CD
• Signal Path
• R-CH is omitted due to same as L-CH
: DIGITAL OUT
OPTICAL PICK-UP
BLOCK
(KSM-213BFN)
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q101
RF AMP
IC103
VC
27
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
IC150
MOTOR/COIL DRIVE
CH1RO
18
CH1FO
17
CH2FO
12
CH2RO
11
CH3FO
14
CH3RO
13
M
(SLED)
CH4RO
16
CH4FO
15
M
(SPINDLE)
F+
F-
T+
T-
22
CH1RI
23
CH1FI
6
CH2FI
7
CH2RI
4
CH3FI
5
CH3RI
2
CH4INS
20
MUTE
MDP
25
SRDR
30
SFDR
29
TRDR
32
TFDR
31
FRDR
34
FFDR
33
DIGITAL SIGNAL PROC.
IC101
DIGITAL SERVO
64
D OUT
RFAC
50
29
RFDCI
28
RFDCO
16
FE
17
FEI
12
SW
RFDC
43
FE
39
TE
41
SE
40
66
PCMD
OPTICAL
OUT
IC901
26
RO
4
DATA
R-CH
LOUT
LMUTE
6
CLOK
5
XLAT
77
SQCK
8
SCLK
15
SCOR
76
SQSO
26
SSTP
2
XRST
S101
(LIMIT IN)
DATA
4
CLK
5
XLT
20
SQCK
17
SCOR
95
SUBQ
15
TABLE
SENSOR
IC81-84
25
LDIN
26
DOORIN
MOTOR
DRIVE
6
7
8
2
IC961
(LOADING)
M602
7
SENS
SENS
6
OUT
OPTICAL
DIGITAL
3
1
LPF
2
1
AMP
IC302
6
7
AMP
IC302
Q324
MUTE
Q322
MUTE
Q323
MUTE
Q321,325,326,
328,329
MUTE CONT
Q327
MUTE CONT
2ND
CD IN
37
PO5
ANALOG
OUT
J903
IC501 (1/2)
SYSTEM CONTROL
IC401
8
9
IC105
78
DOORSW
79
LDSW
(DOOR)
S612
DOWN
UP
(POP UP)
S611
OPEN
CLOSE
(LOADING)
S621
(LOCK)
S622
4
3
M
M
(DOOR)
M603
27
DOOROUT
24
LDOUT
+5V
MOTOR
SWITCH
Q941,942
23
TBLL
MOTOR
DRIVE
4
2
8
Q552
6
M
(TABLE)
M601
+5V
MOTOR
SWITCH
Q951,952
22
TBLR
Q562
DISC
SENSOR
DISC
SENSOR
86
DSENS
Q81,D81
RV501
IC941
15
RF AC
18
TE
+3.3V
IC104
D/A CONV,
MP3 DECODER
SDIO
12
23
LO
67
BCLK
BCKIA
13
65
LRCK
LRCKIA
14
71
XTAI
CKO
60
72
XTAO
36
PO4
R-CH
XI
62
XO
63
X201
16.9MHz
5
SDA
6
SCL
6
5
10
11
43
A MUTE
12
13
4
3
39
MP3REQ
2
1
Q501,502
1
RESET
29
SMUTE
SDA
97
SCL
99
A MUTE
18
MP3RST
7
MP3REQ
96
XRST
46
PWM3
19
PWM2
12
PWM1
11
RF SW
98
91
TSENS2
87
TSENS1
88
TSENS3
92
TSENS4
+3.3V
REG
+2.5V
REG
1
4
IC121
+3.3V
5
+2.5V
+5V
CDP-CX455
31
31
– Main Section –
11
13
15
19
.
1
FLDATA
25
23
21
.
2
.
26
.
1
.
10
3
.
D0
D7
A0
A14
20
CE
27
WE
Q551
A0
A14
D0
D7
IC504
SRAM
CE
47
WE
48
IC501 (2/2)
SYSTEM CONTROL
2
FLCLK
44
FLT1
3
LEDLAT
DIG1
DIG15
DA
63
SCK
62
CS
61
RESET
60
55
DIG16
IC701
FL DRIVER
5
39
4
AD1(36)
Q701
SEG01
SEG35
QC
QP
FL701
FLUORESCENT
INDICATOR TUBE
F1
F2
DATA
4
CLK
8
RST
7
LT
6
IC702
LED DRIVER
24
13,
11,
12
11,
12
D701-709,711,
712,715
S714,S721
SB_LED
S711-714
83
TJOG1
AMS
RE702
82
TJOG2
S721-726
84
DJOG1
DISC/
CHARACTER
RE701
81
DJOG2
FUNCTION
KEY
S701-706
S761-768
S741-745
S751-755
SIN
13
IC704
FL DRIVER
43
35
SEG0
SEG8
X2
38
X501
16MHz
X1
39
CLK
15
RESET
5
AD0
11
AD1
10
AD2
9
AD4
7
AD5
6
80
KEY0
100
FLDATAI
SOUT
14
16
BUSIN
14
BUSOUT
34
RESET
Q950
CONTROL A1 II
J901
J902
T911
D901-904
AC
IN
RELAY
DRIVE
DRIVE
Q901
IC930
T901
+5V
REG
2
3
RY991
+5V
REG
1
3
IC921
LINE
FILTER
L991
RECT
D905,906
RECT
IC931
+5V REG, RESET
RST
VIN 4
2
VOUT
5
MUTE
+5V
(IC703, 501, 503) +5V
D931-934
RECT
+7V
REG
1
3
IC920
+7V
+5V
M +B
M -B
D921-924
RECT
+5V
REG
1
3
FL702
DVDD (+5V)
AU VCC
AU VEE
D911
RECT
Q911
-30V REG
D913
Q941
-20V REG
Q931
REG
VFL
F2
F1
F1
F2
VFL
FL701
94
ACIN
28
ICSW
IC910
50
57
63
60
65
.
49
.
64
.
66
73
.
KBDO
89
KBDI
85
Q571
KEY
BOARD
J821
KBCO
45
KBCI
93
Q570
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
REMOTE
CONTROL
RECEIVER
1
3
RMIN
13
IC703
+5V
Q572
LED
DRIVE
+5V
LED
31
D801
(INSIDE)
Q576
LED
DRIVE
30
D710
STANDBY
FL702
FLUORESCENT
INDICATOR TUBE
F1
F2
40
54
8
FLRST
CS
12
43
FLT2
90
POWER
34
29
SEG9
SEG14
Q941, 942
Q951, 952
Q951, 952
CDP-CX455
32
32
6-3. Printed Wiring Board – BD Board –
Ref. No.
Location
IC101
D-8
IC103
E-8
IC104
D-10
IC105
E-1
IC121
F-2
IC150
C-7
Q101
F-4
• Semiconductor
Location
• See page 29 for Circuit Boards Location.
(Page 34))
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
10
11
IC105
IC121
IC150
IC101
IC103
IC104
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