Sony SCD-XA777ES Service Manual ▷ View online
SCD-XA777ES
37
37
5-7.
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
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 : CD PLAY (ANALOG OUT)
(
no mark : CD PLAY (ANALOG OUT)
(
) : SACD PLAY
〈〈
〉〉
: CD PLAY (DIGITAL OUT)
• 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)
C
B
These are omitted.
E
Q
• 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.
A-POWER board
D.OUT board
MOTHER board
AC board
MAIN board
AC SW board
R.CNTL board
HP board
JOG board
KEY board
PANEL board
D-POWER board
RF board
AUDIO C/SW board
AUDIO SURR board
AUDIO FRONT board
SWITCH board
LOADING MOTOR board
not supplied
SCD-XA777ES
38
38
A
B
C
E
B
C
E
B
C
E
B
C
E
IC081
IC001
IC004
SWITCH BOARD
LOADING MOTOR BOARD
1
5
OUT
R
OFF
C001
S002
(LOADING OUT)
OFF
r
IN
S001
(LOADING IN)
CN001
M1
(LOADING)
1-641-765-
13
(13)
1-641-764-
13
(13)
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
I
J
K
M
(
)
5-8.
PRINTED WIRING BOARDS – LOADING MOTOR/RF/SWITCH Boards –
•
See page 37 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D001
B-7
D002
B-5
IC001
E-5
IC004
G-4
IC081
C-3
Q001
C-5
Q002
C-4
Q003
C-4
Q005
B-5
(Page 40)
SCD-XA777ES
39
39
5-9.
SCHEMATIC DIAGRAM – LOADING MOTOR/RF/SWITCH Boards –
•
See page 68 for Waveforms.
•
See page 70 for IC Block Diagram.
(Page
46)
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.
SCD-XA777ES
40
40
R744
R743
R742
R842
R578
C923
R994
R998
X901
R907
R983
R950
R971
R603
R963
R952
R961
R960
C729
R953
C983
R951
R943
R771
R908
R906
R911
R905
R822
CN901
R826
R821
C804
C921
C579
C560
C920
C915
C926
C928
R860
R745
R707
CN902
C510
C924
C507
C511
C539
C512
C514
C548
C533
C506
C584
C515
C523
C509
C534
C535
C531
C532
C542
R606
C530
C556
C551
C561
C554
C553
C549
C563
C550
C559
C565
C555
C558
C541
R909
C524
C529
C577
C582
C583
C587
R569
R701
R642
R644
R555
R645
R514
FL906
R632
R634
R625
R629
R622
C519
FL501
R767
R608
R617
R612
R610
R593
R609
R613
R588
R601
R599
R605
R596
R582
R586
R604
R597
R591
R600
R590
R618
R581
R654
CN801
FOR
RS-232C
R577
R562
R964
C520
R563
FB755
R558
R513
R525
R560
C701
C702
FL902
C708
C774
C711
C712
C707
C776
C717
FL706
R979
IC902
IC905
C715
C777
C846
C730
C740
C741
C716
C780
C781
R527
R559
C790
C791
C705
C792
C793
C794
FB702
FB705
FB706
FL701
FL703
FL704
FL752
R510
R511
R509
R512
R573
R561
R518
R515
R523
R516
R519
R544
R521
R526
R531
R528
R661
IC701
R545
R584
R556
R554
R572
R702
C508
R714
R712
R708
R709
R710
R711
R713
R719
R716
R717
R532
R730
R772
R746
R765
R731
C917
R940
R732
R733
R734
R870
R736
R778
R750
R741
R735
R740
R738
R737
C731
R954
R959
R962
R912
R913
R976
R969
R1521
FB1501
C1505
C951
IC509
C525
C914
C907
C871
CN907
CN701
D-POWER BOARD
CN457
A-POWER BOARD
CN454
RF BOARD
CN005
C797
R900
IC801
C858
C795
C573
C870
C990
R990
R848 R849
R850
C866
CN903
R1517
FB1502
R672
R675
R818
IC901
C1509
FL1501
R1514
R1534
R1532
CN503
FB1503
C706
R576
1
3
D.OUT
BOARD
CN441
MAIN BOARD
(COMPONENT SIDE)
1
9
7
8
6
F
G
A
MOTHER BOARD
CN302
B
MOTHER BOARD
CN301
C
1-681-003-
12
D
E
PANEL
BOARD
CN1002
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
H
I
J
K
5-10. PRINTED WIRING BOARD – MAIN Board (Component Side) –
•
See page 37 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC509
D-7
IC701
E-11
IC801
H-11
IC901
H-4
IC902
H-7
IC905
G-6
(Page 58)
(Page 64)
(Page 62)
(Page 38)
(Page 47)
(Page 49)
(Page 49)
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