Sony HCD-HDX265 Service Manual page 34

HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
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.
: internal component.
f
: 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.
MAIN and DSP boards are multi-layer printed board.
However, the patterns of intermediate-layer have not been in-
cluded in diagram.
Indication of transistor
C
Q These are omitted.
B E
Q
B C E
These are omitted.
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
Note on Schematic Diagram:
All capacitors are in F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in and 1 / W or less unless otherwise
4
specified.
: internal component.
f
2 : nonflammable resistor.
5 : fusible resistor.
C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part pièce por tant le numéro
number specified. spécifié.
A : B+ Line.
B : B– Line.
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– IO Board –
no mark : DVD PLAY
– Other Boards –
no mark : TUNER
( ) : DVD PLAY
Voltages are taken with a VOM (Input impedance 10 M ).
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.
F
: AUDIO
J
: CD/DVD PLAY
f
: TUNER
i : AUDIO IN
E
: VIDEO
Circuit Boards Location
DMPORT board
SIRIPARA board
POWER board
SW (2) board
SENSOR board
SW (1) board
MOTOR board
PW-SW board
LED board
ENCODER board
FL board
34 34
DIAT CON board
IO board
SPEAKER board
MAIN board
HEATSINK B board
HEATSINK A board
RELAY board
EN board