Sony CDP-CA70ES Service Manual ▷ View online
— 17 —
SECTION 6
DIAGRAMS
6-1.
CIRCUIT BOARDS LOCATION
BD board
MAIN board
10 KEY board
FUNCTION board
HP board
DISPLAY board
TABLE MOTOR board
SENSOR board
LOADING MOTOR board
— 18 —
• Waveforms
THIS NOTE IS COMMON FOR PRINTED WIRING
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 50 WV
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV
or less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise speci-
fied.
•
¢
: internal component.
•
C
: panel designation
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground under
no-signal (detuned) conditions.
no mark : PLAY
no mark : PLAY
•
: Impossible to measure.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production tol-
erances.
erances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tol-
erances.
erances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
J
: CD
c
: digital out
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
• Indication of transistor
4.2Vp-p
2.16MHz
!¡
IC802
%•
(OSC2)
2
IC101
%º
(RF AC)
1.2Vp-p
(PLAY)
3
IC101
$¡
(TE)
4
IC101
#ª
(FE)
5
IC101
@∞
(MDP)
2.5V
APPROX 500mVp-p (PLAY)
2.5V
APPROX 200m Vp-p (PLAY)
7.5
µ
sec
2.4Vp-p
4.8Vp-p
10 MHz
6
IC501
#™
(XTAL)
7
IC301
0
(XIN)
3.6Vp-p
22.5MHz
8
IC301
$¶
(128FSO)
4.5Vp-p
5.64MHz
44.1MHz
2.11MHz
9
IC301
#ª
(LRCK1)
0
IC301
#•
(BCK1)
4.8Vp-p
4.8Vp-p
16.9MHz
1
IC101
&¡
(XTAI)
2.7Vp-p
C
This is omitted
E
B
*
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 portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
CDP-CA70ES
6-2. BLOCK DIAGRAM
— 19 —
— 20 —
OPTICAL PICK-UP
BLOCK
(KSS-213 B)
LD
DRIVER
Q101
+5V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
IC102
FCS/TRK COIL
SL/SP MOTOR
DRIVER
RF AMP
IC103
17
16
1
2
VR
PD
13
12
27
26
M
M
MOTOR
M102
SLED
SLED
MOTOR
M101
SPINDOL
S101
LIMIT
VDD
D IN
GND
+5V
CD
DIGITAL
OUT
IC405
16
: CD
: DIGITAL OUT
• SIGNAL PATH
VC
12
7
VCC
8
VC
4
A
2
B
1
C
5
D
6
E
10
F
PHOTO DETECTOR
A
5
B
6
E
11
F
10
LD
3
PD
4
IC551
MOTOR DRIVER
8
9
11
10
L+
L
T+
T
M
M
MOTOR
LOADING
MOTOR
TABLE
3
2
17
16
L+
L
T+
T
15
SRAM
IC531
20
CE
SWITCH
Q311
IC604
C
7
D
8
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
19
20
4
5
9
10
24
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDP
15
MUTE
16
RFO
17
RFI
14
FE
13
TE
22
LD ON
21
HOLD SW
RF AC
50
DIGITAL SERVO/
DSP
IC101
RF DC
43
FE
39
CE
42
TE
41
SE
40
VC
DSP/
D/A CONV.
IC301
64
D OUT
66
PCMD
67
BCLK
65
LRCK
71
XTAI
4
DATA
6
CLK
5
XLT
2
XRST
3
MUTE
7
SENS
77
SQCK
8
SCLK
76
SQSO
15
SCOR
63
L1(+)
DATA
40
BCK
38
LRCK
39
128FS
47
ATT
34
SHIFT
35
INIT
37
SYSM
33
9
10
X301
22.5MHz
33
34
31
32
29
30
25
26
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
MDP
S STOP
XO
XI
61
L1(-)
2
L2(+)
4
L2(-)
21
R1(+)
23
R1(-)
18
R2(+)
16
R2(-)
52
MUTE L
MUTE
SW
Q302
I/V
CONV.
IC102
RESET
MUTE SW
Q303
MUTE
SW
Q301
51
MUTE R
D301
CURRENT PULSE
D/A CONV.
IC302
IN2(+)
23
IN2(-)
22
IN1(+)
25
IN1(-)
26
IN2(+)
20
IN2(-)
21
IN1(+)
18
IN1(-)
17
35
IOL+
36
IOL-
L.P.F
IC101
MUTE
Q101
Q101
I/V
CONV.
IC202
6
IOR+
5
IOR-
IC201
MUTE
Q201
Q201
L.P.F
MUTE
Q102
Q102
MUTE
Q202
Q202
HP AMP
IC351
RV351
J351
PHONES
LINE
OUT
OUT
L
J301
R
J381
J382
SW
Q381
D381
BUS IN
BUS OUT
CD3
CD2
CD1
CD3
A1
CONTROL
S LINK
S401
OFF
ON
VOLTAGE
REG/
RESET
IC601
1
10
4
2
6
9
M +7V
+5V
+5V
REG
1
3
IC605
-7V
REG
3
2
-7V
POWER
S821
Q601
ON/OFF
SWITCH
+5V
IC603
-30V
REG
REG
4
1
3
D605
D606
D601-604
AC
IN
POWER
TRANSFORMER
T601
FLURESCENT
DISPLAY TUBE
FL801
55
VFL
CL
63
DI
64
RST
61
CE
62
P1-40
G1-14
FL
DRIVER
IC802
F1
F2
T703
LD OUT
21
LD IN
20
TBL L
69
TBL R
70
49
LD ON
65
LP CONT
61
SCOR
52
SUBQ
51
SQCK
54
SENSE
58
XL
T
48
CLK
50
D
ATA
59
A MUTE
8
27
WE
A0-14
D0-7
8
8
15
SYSTEM CONTROL
IC501
19
WE
42
CD1/2/3
38
BUS OUT
62
BUS IN
FL
T DA
TA
23
FL
T CLK
22
FL
T BLK
24
FL
T CE
47
FUNCTION
KEY
S701-708
XT
AL
32
EXT
AL
31
X501
10MHz
S1
66
S2
67
S3
68
ROTARY
ENCODER
D
SENSOR
D802
D SENS
28
T
SENSOR
D801
T SENS
46
KEY0
44
FUNCTION
KEY
S711-718
KEY1
43
FUNCTION
KEY
S721-725
KEY2
40
FUNCTION
KEY
S731-738
KEY3
41
LED
DRIVE
Q801
LED PLA
Y
14
D801
(PLAY)
LED
DRIVE
Q802
LED P
AUSE
15
D802
(PAUSE)
REMOTE
SENSOR
SENSOR
IC801
3
1
2
56
REM IN
+5V
30
RESET
SENSOR
DRIVE
Q504
VC
38
+5V
+5V (MUTE)
CDP-CA70ES
— 21 —
— 22 —
6-3. SCHEMATIC DIAGRAM BD SECTION
• See page 18 for Waveforms. • See page 38 for IC Block Diagrams. • See page 40 for IC Pin Functions. (IC101)
MAIN
BOARD
CN401
(Page 27)
(FE2)
(FE1)
16
B/S-N
The components identified by
mark
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
specified.
Les composants identifiés par
une marque
une marque
!
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.
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