Sony STR-DE495 Service Manual page 6
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Also See for STR-DE495:
- Operating instructions manual (95 pages) ,
- Service manual (54 pages) ,
- Easy setup manual (2 pages)
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STR-DE495/DE595
Ver 1.1
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 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.
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
The components identi-
Les composants identifiés par
une marque 0 sont critiques
fied by mark 0 or dotted
line with mark 0 are criti-
pour la sécurité.
cal for safety.
Ne les remplacer que par une
Replace only with part
piéce portant le numéro
number specified.
spécifié.
• A : B+ Line.
• B : B– Line.
• Voltage 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.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L : VIDEO (AUDIO)
I : VIDEO
J
: CD (ANALOG)
c : CD (DIGITAL)
• Abbreviation
CND : Canadian model.
AUS : Australian model.
MX
: Mexican model.
SP
: Singapore model.
E2
: AC 120 V area in E model.
AR
: Argentine model.
KR
: Korean model.
TW
: Taiwan model.
for printed wiring boards:
• X : parts extracted from the component side.
•
: internal component.
f
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Abbreviation
CND : Canadian model.
AUS : Australian model.
MX
: Mexican model.
SP
: Singapore model.
E2
: AC 120 V area in E model.
AR
: Argentine model.
KR
: Korean model.
TW
: Taiwan model.
C
Q
These are omitted.
B
E
Q
B C E
These are omitted.
Q
B
C
E
• Waveforms (DIGITAL Board)
1
1V/DIV 50nsec/DIV
IC1101
1V/DIV 0.2µsec/DIV
2
IC1101
1V/DIV 50nsec/DIV
3
IC1101
1V/DIV 50nsec/DIV
4
IC1501
1V/DIV 50nsec/DIV
5
IC1201
6
1V/DIV 50nsec/DIV
IC1201
7
1V/DIV 50nsec/DIV
IC1601
20
20
3.4Vp-p
12.288MHz
qd
(CKOUT)
3.4Vp-p
3.07MHz
qf
(BCK)
3.2Vp-p
12.288MHz
wa
(XOUT)
4.4Vp-p
12.288MHz
(MCLKI)
el
3.4Vp-p
13.59MHz
(MCLK2)
qs
3.4Vp-p
12.288MHz
(SCKOUT)
qf
2.5Vp-p
16MHz
id
(X1)
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