Note For Printed Wiring Boards And Schematic Diagrams - Sony SS-TS503 Service Manual

7-6.

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.
• Indication of transistor.
C
Q These are omitted.
B E
Q
B C E
These are omitted.
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 / W or less unless otherwise
4
specified.
• : internal component.
f
• 2 : nonflammable resistor.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
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.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : DVD PLAY
( ) : CD PLAY
[ ] : SACD PLAY
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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 : CD PLAY
c : DVD PLAY
I : SACD PLAY
f
: AUX IN
i : OPTICAL DEITAL IN
d
: TUNER
F
: AUDIO
L : VIDEO
E
: Y
a
: CHROMA
r : COMPONENT VIDEO
• Abbreviation
AUS : Australian model
CND : Canadian model
• Circuit Boards Location
power SW board
key board
not supplied
(power LED board)
FL board
SW (4) board
SW (3) board
SW (2) board
SW (1) board
not supplied
(sensor board)
37 37
video board
DDCON board
SEL board
audio board
power board
control board
DVD board
vol board
HP board
not supplied
(roller motor board)
stocker motor board
relay board
RF board
not supplied
(mode motor board)
HCD-C770/C990
AMP board