Sony STR-DE875 Service Manual page 9

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.
• 1 : 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.
• H : adjustment for repair.
• 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
CH : Chinese model
AUS : Australian model
For printed wiring boards.
Note:
• X : parts extracted from the component side.
•
a : Through hole.
• : internal component.
f
• : 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
VIDEO Board
1
IC252 8 (EXS)
5.5Vp-p
69.90ns
9 9
STR-DE875/DE975
DIGITAL Board
2
IC1306 7 (IY)
4.0Vp-p
40.69ns
3
IC1501 qs (MCLK2)
4.0Vp-p
74.17ns
4
IC1101 tj (XI)
3.8Vp-p
60.44ns