Sony SCD-XE670 Service Manual ▷ View online
SCD-XE670
31
31
5-6.
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)
• Abbreviation
CND : Canadian model
• 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.
PT board
POWER board
RF board
AUDIO board
MAIN board
DISPLAY board
LOADING board
HEADPHONE board
POWER SW board
KEY board
SCD-XE670
32
32
R017
CN003
R001
R002
C004
C006
CN002
R097
C090
C002
R016
C027
C016
C013
C017
C021
JL081
R022
C036
R025
R035
C051
R021
C052
R029
R046
R036
R044
R087
R086
C094
C064
R065
R085
R066
JL051
JL053
JL052
C050
C095
JL006
JL003
JL002
JL001
Q001
IC001
C030
C042
C043
C046
C047
C048
C041
C040
C039
C032
C026
C018
C020
Q002
C024
R098
C022
D001
R018
Q005
R003
C038
R094
R019
D002
R020
C003
C060
IC004
S1
M 3
M2
C031
C037
R084
C023
R015
R093
C001
R082
R083
C012
C019
L002
47
47
µ
H
C015
C014
L001
47
47
µ
H
C007
L003
47
47
µ
H
Q003
C034
C029
C028
C055
C009
C011
C010
C008
C045
R024
R023
C044
C025
CN005
470
25P
0
100
0.1
0.1
6P
33k
1
2200p
1k
0.1
180p
5600p
22p
22p
12k
0.1
0
0
0.1
10M
0.1
47k
100
10k
8.2k
10k
10k
22
10V
0.1
10k
10k
10k
22
10V
0.1
2SB1121-ST-TD
CXD1881R
22
10V
0.033
0.033
0.1
0.1
0.047
0.01
0.01
0.1
0.1
0.01
22p
22p
2SB1121-ST-TD
0.01
33k
1000p
1SS352
-TPH3
1k
DTC144EKA-
T146
33k
100
6.3V
33
33
1SS352
-TPH3
470
0.1
0.1
NJM3403AV(TE2)
0.1
1000p
10k
100
6.3V
33
33
2200p
10k
10k
5600p
10
10
10V
10
10
10V
2SB1121-ST-TD
10
10
10V
47
6.3V
47
6.3V
2200p
2200p
2200p
2200p
1000p
0
0
330p
0.1
30P
DVD_PD
CD_PD
RFP
DVD_PD
CD_PD
CD_LD
SP+
SP-
LIM_SW
SD-
SD+
SP-
SP+
LIM_SW
SD+
SD-
TD-
TD+
A
B
C
D
VMOD
DVD_LD
FD-
FD+
FD-
FD+
TD-
TD+
C
D
_
F
C
D
_
E
L
D
O
N
M
IR
R
D3V
D3V
S
D
E
N
D
A
T
A
_
R
F
C
L
K
_
R
F
F
E
/P
I
FE
E
G
H
F
V
M
O
D
PI
MIRR
VMOD
FE/PI
TE
PI
SDEN
DATA_RF
CLK_RF
LDON
FE
T
E
D
V
D
_
L
D
V
M
O
D
C
D
_
L
D
B
RFP
C
D
A
E
H
F
G
CD_F
CD_E
VMOD
DVD_LD
DVD_VR
DVD_PD
TRK+
TRK-
FCS-
FCS+
CD_VR
DVD_LDGND
MIRR
PI
TE
FE
SDEN
RFAC
D3V
D3V
CLK_RF
DATA_RF
A5V
A5V
AGND
AGND
LIM_SW
A3V
LIM_SW
SP+
SP-
SP+
SP-
LDON
TD-
TD+
FD-
FD+
SD-
SD+
SD+
SD-
CD_LD
CD_LDGND
CD_PD
A
D
E
C
GND
H
VC
RF
F
G
VCC
B
AVC
AVC
VMOD
DFCT
FE/PI
SACD/CD RF AMP,
FOCUS/TRACKING
ERROR AMP
B+ SWITCH
AUTOMATIC
POWER CONTROL
(FOR SACD)
B+ SWITCH
AUTOMATIC
(FOR CD)
PI ERROR AMP,
SA/CD
(LIMIT)
(SLED)
(SPINDLE)
SUMMING AMP,
AVC BUFFER
POWER
CONTROL
5-7.
SCHEMATIC DIAGRAM – RF Board –
•
See page 48 for Waveforms.
•
See page 51 for IC Block Diagram.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
(Page 36)
SCD-XE670
33
33
5-8.
PRINTED WIRING BOARDS – RF/LOADING Boards –
•
See page 31 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
1
5
CN151
M151
(LOADING)
M
S152
LOADING
IN
S151
LOADING
IN
MAIN
BOARD
CN703
1-645-721-
11
(21)
LOADING BOARD
K
A
B
C
D
1
2
3
4
5
6
7
8
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)
C034
C019
C014
L002
L001
L003
IC001
IC004
(Page 34)
(Page 34)
SCD-XE670
34
34
5-9.
PRINTED WIRING BOARD – MAIN Board (Component Side) –
•
See page 31 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC503
H-4
IC509
C-3
IC701
C-6
IC703
A-7
IC801
C-9
IC803
G-9
IC814
D-8
IC901
G-6
MAIN BOARD
(COMPONENT SIDE)
1-681-018-
11
(11)
A
RF
BOARD
CN005
K
LOADING
BOARD
CN151
1
5
B
AUDIO
BOARD
CN304
F
DISPLAY
BOARD
CN801
D
AUDIO
BOARD
CN302
C
AUDIO
BOARD
CN303
E
POWER
BOARD
CN904
1
5
FOR
RS-232C
1
3
5
4
C870
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
K
(Page 33)
(Page 33)
(Page 46)
(Page 43)
(Page 43)
(Page 44)
(Page 43)
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