Sony STR-DG720 Service Manual page 24

STR-DG720
Q Q
3 7 6 3 1 5 1 5 0
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
CND : Canadian model
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
STR-DG720
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
CND : Canadian model
x a o
y
. i
http://www.xiaoyu163.com
8
• Waveforms
– DIGITAL Board –
IC1301 (CKOUT)
3.4 Vp-p
12.288 MHz
1 V/DIV, 50 nsec/DIV
IC1301 (BCK)
3.4 Vp-p
3.07 MHz
1 V/DIV, 0.2 μsec/DIV
IC1301 (XOUT)
3 Vp-p
Q Q 12.288 MHz
3 7 6 3
1 V/DIV, 50 nsec/DIV
IC1009 (XTAL)
1.2 Vp-p
25 MHz
1 V/DIV, 20 nsec/DIV
IC1010 (X1)
3.1 Vp-p
12.5 MHz
1 V/DIV, 50 nsec/DIV
u 1 6 3
.
24 24
2 4
9 9 8
– HDMI RE Board – – XM Board (US, Canadian model) –
IC3511 (XTALOUT)
2.5 Vp-p
28.322 MHz
1 V/DIV, 20 nsec/DIV 0.05 V/DIV, 0.2 μsec/DIV
IC3519 (XOUT)
3.4 Vp-p
10 MHz
1 V/DIV, 50 nsec/DIV
1 5 1 5 0 8 9 2 4
m
c o
2
9 9
IC102 (OSCOUT)
1.6 Vp-p
45.158 MHz
9 8 2 9 9