DOWNLOAD Sony SCD-1 / SCD-777ES (serv.man3) Service Manual ↓ Size: 8.91 MB | Pages: 78 in PDF or view online for FREE

Model
SCD-1 SCD-777ES (serv.man3)
Pages
78
Size
8.91 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / (for technical service)
File
scd-1-scd-777es-sm3.pdf
Date
PREV: Sony SCD-1 / SCD-777ES (serv.man2) Service Manual

Sony SCD-1 / SCD-777ES (serv.man3) Service Manual ▷ View online

17
17
SECTION  7
DIAGRAMS
7-1.
NOTES FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Note on Schematic Diagram:
• 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
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
5
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground in
adjustment mode.
no mark :STOP
(
) :SACD
〈〈
 
〉〉
:CD
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: SACD
c
: CD
I
: DIGITAL OUT
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
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.
• Indication of transistor
C
B
These are omitted.
E
Q
• Circuit Boards Location
SW-L board
MAIN board
STB board
POWER board
AC board
COAX board
OPT board
SW board
BAL board (SCD-1)
PIN board
LOAD-SW board
LOAD-MOT board 
AUDIO board
LOAD-CN board
SW-R board
DISPLAY board
SLD-MOT board
RF board
SLD-FG board
18
18
SCD-1/777ES
7-2.
PRINTED  WIRING  BOARDS  – RF/SLD-FG/SLD-MOT Boards –
•
 See page 17 for Circuit Boards Location.
IC001
E-2
IC002
C-4
IC003
A-3
IC004
A-2
IC005
C-3
IC006
C-3
IC007
C-2
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
–RF Board–
Ref. No.
Location
IC010
A-2
IC011
C-2
IC012
A-1
Q001
F-3
Q002
B-5
Q003
B-4
Q004
B-4
Q006
A-3
Q007
D-5
Q008
B-5
Q009
B-5
(Page 22)
(Page 22)
19
19
SCD-1/777ES
7-3.
SCHEMATIC  DIAGRAM  – RF/SLD-FG/SLD-MOT Boards –
•
 See page 40 for Waveforms.
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
29)
(Page
28)
20
20
SCD-1/777ES
7-4.
PRINTED  WIRING  BOARDS  – LOAD-CN/LOAD-MOT/LOAD-SW/STB Boards –
•
 See page 17 for Circuit Boards Location.
(Page 22)
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