STR-DE875, STR-DE975 — Sony Audio Service Manual (repair manual). Page 9

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9
9
STR-DE875/DE975
For schematic diagrams.
Note:
• All capacitors are in 
µ
F unless otherwise noted. p : pF. 50
WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
%
: indicates tolerance.
f
: internal component.
2
: nonflammable resistor.
1
: fusible resistor.
C
: panel designation.
• 
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 M
).
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
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
Note:
The components identified by
mark 
0
 or dotted line with mark
0
 are critical for safety.
Replace only with part number
specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
a
: Through hole.
f
: internal component.
: Pattern from the side which enables seeing.
1
 IC252 
8
 
(EXS)
5.5Vp-p
69.90ns
• Waveform
VIDEO Board
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
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.
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