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
specifi ed.
•
f
:
internal
component.
•
2
: nonfl 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 specifi ed.
Note:
Les composants identifi és
par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Caution:
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
• 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
