Sony HT-DDW740 Service Manual page 11

THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this 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.
• % : indicates tolerance.
• f : internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note: Note:
The components identified by Les composants identifiés par
mark 0 or dotted line with mark une marque 0 sont critiques
0 are critical for safety.
pour la sécurité.
Replace only with part number Ne les remplacer que par une
specified. pièce portant le numéro spécifié.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
• 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.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J : CD (ANALOG)
c : DVD (DIGITAL)
• Abbreviation
CND : Canadian model
MY : Malaysia model
SP : Singapore model
AR : Argentine model
MX : Mexican model
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• : Through hole.
a
• f : internal component.
• : Pattern from the side which enables seeing.
C
Q These are omitted.
B E
B C E
These are omitted.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side A) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side B) the parts face are indicated.
• Waveform
DIGITAL Board
9 9
STR-K740P/K840P
IC1101 wa (XOUT)
1
4.4Vp-p
81ns
(12.288MHz)
IC1201 9 (MCLK1)
2
3.3Vp-p
73ns (13.59MHz)
IC1601 id (XI)
3
2.8Vp-p
5ns (20MHz)