Sony STR-DG520 Service Manual page 21
Multi channel av receiver
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Also See for STR-DG520:
- Operating instructions manual (72 pages) ,
- Quick setup manual (2 pages) ,
- Specifications (2 pages)
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THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Parts face side:
Parts on the parts face side seen from
(SIDE A)
the parts face are indicated.
Pattern face side:
Parts on the pattern face side seen from
(SIDE B)
the pattern face are indicated.
• Abbreviation
AUS
: Australian model
CND : Canadian model
ECE
: Continental European,
East European and
Russian models
TW
: Taiwan model
STR-DG520
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
specifi ed.
•
f
: internal component.
• 2 : nonfl ammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
The components identi-
Les composants identifi és
fi ed by mark 0 or dotted
par une marque 0 sont
line with mark 0 are criti-
critiques pour la sécurité.
cal for safety.
Ne les remplacer que par
Replace only with part
une piéce portant le nu-
number specifi ed.
méro spécifi é.
• 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 VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I : VIDEO
J
: DVD (DIGITAL)
c
: CD (ANALOG)
• Abbreviation
AUS
: Australian model
CND : Canadian model
ECE
: Continental European,
East European and
Russian models
TW
: Taiwan model
• Waveforms
– DIGITAL Board –
IC1301
(CKOUT)
3.5 Vp-p
12.288 MHz
1 V/DIV, 50 nsec/DIV
IC1301
(BCK)
3.5 Vp-p
3.07 MHz
1 V/DIV, 0.2 μsec/DIV
IC1301
(XOUT)
3.5 Vp-p
12.288 MHz
1 V/DIV, 50 nsec/DIV
IC1501
(XTAL)
1.2 Vp-p
25 MHz
1 V/DIV, 50 nsec/DIV
IC1101
(X1)
2.4 Vp-p
24 MHz
1 V/DIV, 50 nsec/DIV
21
21
STR-DG520
Ver. 1.1
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