Sony CDP-CX400 / CDP-CX450 Service Manual ▷ View online
CDP-CX400/CX450
21
21
7-2. BLOCK DIAGRAMS
– BD SECTION –
: CD
• Signal Path
• RCH is omitted
: 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
16
Q101
RF AMP
IC103
VC
12
A
5
B
6
C
7
D
8
E
11
F
10
LD
3
PD
4
IC102
MOTOR/COIL DRIVE
CH1RO
17
CH1FO
16
CH2RO
1
CH2FO
2
CH3RO
13
CH3FO
12
M
M102
SLED
MOTOR
CH4RO
27
CH4FO
26
M
M101
SPINDLE
MOTOR
F+
F-
T+
T-
19
CH1RI
20
CH1FI
4
CH2RI
5
CH2FI
10
CH3RI
9
CH3FI
24
CH4INS
15
MUTE
MDP
26
SFDR
28
SRDR
29
TRDR
31
TFDR
30
FRDR
33
FFDR
32
DIGITAL SIGNAL PROC.
D/A CONV.
IC101
DIGITAL SERVO
60
D OUT
RFAC
51
17
RFI
16
RFO
14
FE
13
TE
22
LD ON
21
HOLD SW
RFDC
43
FE
39
TE
41
SE
40
XLON
14
72
L OUT
DIGITAL
OUT
IC901
75
R OUT
5
DATA
R-CH
7
CLOK
6
XLAT
2
SQCK
9
SCLK
20
SCOR
1
SQSO
27
SSTP
66
XTAI
67
XTAO
3
XRST
S101
LIMIT
IN SW
X101
16.9344MHz
DATA
31
CLK
33
XLT
27
SQCK
37
SCOR
20
SUBQ
36
IC RESET
30
LPH
25
TABLE
SENSOR
IC81-84
7
LOAD IN
10
DOOR in
MOTOR
DRIVE
6
7
8
2
M
IC961
LOADING
MOTOR
M602
8
SENS
SENS
38
OUT
OPTICAL
DIGITAL
7
8
AMP
2
1
LPF
IC302
6
7
AMP
IC302
MUTE
Q324
MUTE CONT
Q325,327-329
MUTE
Q322,323
2ND
CD IN
80
LMUTE
LINE
OUT
OUT
J903
SYSTEM CONTROL
IC501(1/2)
10
13
IC401
IC507
4
1
IC507
SMUTE
29
89
DOOR SW
92
LD SW
DOOR
S612
DOWN
UP
POP UP
S611
OPEN
CLOSE
LOADING
S621
LOCK
S622
3
4
M
DOOR
MOTOR
M603
11
DOOR OUT
6
LOAD OUT
+5V
MOTOR
SWITCH
Q941,942
26
TBLL
MOTOR
DRIVE
4
2
8
Q552
6
M
TABLE
MOTOR
M601
+5V
MOTOR
SWITCH
Q951,952
28
TBLR
Q562
DISC
SENSOR
91
DSENS
Q81,D81
77
74
TSENS1
TSENS2
RV501
RESET
CLKI
6
CLKO
7
FSCI
22
FSCO
23
Q861
8
12
IC805
COMP
17
14.3118MHz
US CND MODEL
14.1875MHz
AEP,AUS,MY
SP,UK MODEL
17.734475MHz
AEP,AUS,MY
SP,UK MODEL
X861
X801
SYNC GEN
IC804
29
HDO
30
VDO
32
BLKO
8
FLD
24
SC
31
SYNC
SDC
IC802
HSYNC
11
DOCKI
8
VSYNC
13
DISP
14
EVEN
11
RESET
5
SCLK
24
SIN
25
TRE
23
CS
26
48
DSDLT
41
TRE
19
R OUT
6
14
R IN
2
20
CV
VIDEO AMP
IC803
VIDEO
OUT
J801
13
7
18
G OUT
11
9
G IN
3
4
16
20
B OUT
2
18
B IN
4
17
I OUT
SYNC
10
SC
6
A
X450 MODEL
IC941
CDP-CX400/CX450
22
22
– MAIN SECTION –
RESET
A
63
.
61
.
60
.
56
.
57
.
58
.
72
.
59
.
11
13
15
19
.
1
FL DATA
25
23
21
.
2
.
26
.
1
.
10
3
.
D0
D7
A0
A14
20
CE
27
WE
22
OE
Q521
67
65 71
68
A0
A14
86
88
85
81
.
D0
D7
IC504
SRAM
CE
49
WE
46
OE
44
IC501(2/2)
SYSTEM CONTROL
2
FL CLK
97
FL T1
80
LED LATCH
40
49
54
50
.
DIG1
DIG15
DA
63
SCK
62
CS
61
RESET
60
55
DIG16
IC701
FL DRIVER
5
39
4
AD1(36)
Q701
SEG01
SEG35
INDICATOR TUBE
FLUORESCENT
FL701
F1
F2
DATA
4
CLK
8
RST
7
LT
6
IC702
FL DRIVER
11
24
LED
DRIVER
D701-712,715
S714(1/2),S721(1/2)
93
STBY LED
+5V
Q576
52
SIRCS
KEY
MATRIX
S711-715
40
T JOG1
AMS
RE702
39
T JOG2
KEY
MATRIX
S721-726
43
D JOG1
DISC/
CHARACTER
RE701
50
D JOG2
KEY
MATRIX
S701-706
KEY
MATRIX
S761-768
KEY
MATRIX
S741-745
KEY
MATRIX
S751-755
SIN
13
IC704
FL DRIVER
43
29
SEG0
SEG14
OSC2
15
X501
10MHz
OSC1
13
CLK
15
RESET
5
AD0
11
AD1
10
AD2
9
AD4
7
AD5
6
94
KEY
100
DATA IN
SOUT
14
INDICATOR TUBE
FLUORESCENT
FL702
F1
F2
D591-594
D596,597
IC502
KEY CONTROL
54
CE
53
RST
XOUT
16
X580
7.28MHz
X IN
15
SIRCS IN
8
CE
5
RESET
14
Q850
5
BUS IN
33
SIRCS OUT
2
CARRIER OUT
12
CA1 IN
11
CA1 OUT
13
12
11
10
9
8
4
5
6
2
1
3
+5V
LED
DRIVE
Q591-593
Q581
2WAY DRIVE
IC503
4
BUS OUT
12
RESET
Q950
CONTROL 1
J901
J902
CX450 MODEL
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
RESET
4
2
MUTE
+5V
D931-934
RECT
+7V
REG
1
3
IC920
+5V
REG
1
3
IC980
CX450 MODEL
CX450
+5V
+7V
+5V
M +B
M -B
D921-924
RECT
+5V
REG
1
3
FL702
DVDD
aVDD
AU VCC
AU VEE
D911
RECT
-30V REG
Q911
D913
-20V REG
Q941
VFL
F2
F1
F1
F2
VFL
FL701
18
AC IN
24
RELAY
16
IC910
CDP-CX400/CX450
23
23
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.
•
U
: B+ Line.
•
V
: 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.
• Signal path.
J
: CD
c
: digital out
• Abbreviation
CND : Canadian model
AUS : Australian model
SP
AUS : Australian model
SP
: Singapore model.
MY : Malaysia model.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
®
: Through hole.
• b
: 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
6
IC502
qh
XOUT
4.6Vp-p
7.28MHz
7
IC501
qg
OSC2
8
IC804
7
CLKO
4.2Vp-p
10MHz
4.2Vp-p
14MHz
1
IC101
yj
XTAI
3.1Vp-p
16.9MHz
2
IC101
ta
RF AC
3
IC101
ra
TE
4
IC101
el
FE
5
IC101
wh
MDP
1.2Vp-p
(PLAY)
2.5V
APPROX 500mVp-p (PLAY)
2.5V
APPROX 200m Vp-p (PLAY)
7.5
µ
sec
2.4Vp-p
CDP-CX400/CX450
24
24
7-3. Schematic Diagram – BD Section –
• See page 23 for Waveforms.
• See page 36 for IC Block Diagrams.
• See page 38 for IC Pin Functions.
• See page 36 for IC Block Diagrams.
• See page 38 for IC Pin Functions.
TO
MAIN BOARD
16
KSM-213BFN
(Page 27)
The components identified by
mark
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
specified.
specified.
Les composants identifiés par
une marque
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
PIN FUNCTION
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