Sony HCD-HDX277WC - Dvd Receiver Component, Руководство по обслуживанию

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HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
33 33
For Schematic Diagrams.
Note:
• All capacitors are in μ F unless otherwise noted. (p: pF) 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
fi
ed.
•
f
: internal component.
•
2
: non
fl
ammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TUNER
( ) : DVD PLAY
• Voltages are taken with VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
J
: CD/DVD PLAY
f
: TUNER
i
: AUDIO IN
E
: VIDEO
• Abbreviation
AUS :
Australian model
E3 : 240V AC area in E model
For Printed Wiring Boards.
Note:
•
X
: Parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
Note:
The components identi-
fi
ed by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number speci
fi
ed.
Note:
Les composants identi
fi
és
par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spéci
fi
é.
• MAIN board is multi-layer printed board.
However, the patterns of intermediate layers have not
been included in diagrams.
• Circuit Boards Location
I/O board
TUNER (FM/AM)
JACK-KEY board
SERIPARA board
SPEAKER board
POWER board
PW-SW board
MAIN board
MOTOR board
SW (2) board
RELAY board
SW (1) board
SENSOR board
ENCODER board
S-AIR INC board
(HDX277WC/HDX279W/HDX576WF)
S-AIR CON board
(HDX275/HDX475/HDX675)
FL board
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side) Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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