Diagrams - Sony HCD-FX900W Service Manual

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Schematic Diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ω and
1 / W or less unless otherwise
4
specified.
• f : internal component.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés
fied by mark 0 or dot- par une marque 0 sont cri-
ted line with mark 0 are tiques pour la sécurité.
critical for safety. Ne les remplacer que par une
Replace only with part piéce por tant le numéro
number specified. spécifié.
• H : adjustment for repair
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
• Voltages and waveforms are dc with respect to ground in
service mode.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
no mark : DVD STOP
• Voltages are taken with VOM (Input impedance 10 MΩ).
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
J
: CD PLAY
c
: DVD PLAY
I : SACD PLAY
d : TUNER
L
: VIDEO
E
: Y
a : CHROMA
r : COMPONENT VIDEO
f
: AUDIO IN
h
: DIGITAL IN (OPTICAL)
i
: DIGITAL IN (COAXIAL)
• Abbreviation
CND : Canadian model.
HCD-FX900W
SECTION 7

DIAGRAMS

For Printed Wiring Boards.
Note:
• X : parts extracted from the component side.
• a : Through hole.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
• Indication of transistor.
C
Q
B C E
B E
These are omitted
• Circuit Boards Location
DIAT TX XM board
These are omitted.
SW (2) board
SW (1) board
SENSOR board
37 37
TUNER UNIT
I/O board
DMB12 board
KEY board
JACK board
POWER board
FL board
ROLLER MOTOR board
STOCKER MOTOR board
SW (4) board
RELAY board
SW (3) board
MODE MOTOR board
HCD-FX900W
SP board
MAIN board
HEATSINK (A) board
HEATSINK (B) board