Sony STR-DG910 Service Manual page 24

STR-DG910
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. (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.
• : 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
spécifié.
number specified.
• A : B+ Line.
• B : B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
( ) : OSD ON
• 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 : DVD (DIGITAL)
c : CD (ANALOG)
• Abbreviation
CND : Canadian model
E2 : AC 120 V area in E model
STR-DG910
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
E2 : AC 120 V area in E model
C
Q These are omitted.
B E
Q
B C E
These are omitted.
Q
B C E
• Waveforms
— DIGITAL Board —
1
IC1301 qd (CKOUT)
3.5 Vp-p
12.288 MHz
1 V/DIV, 50 nsec/DIV
2
IC1301 qf (BCK)
3.5 Vp-p
3.07 MHz
1 V/DIV, 0.2 µ sec/DIV
3
IC1301 wa (XOUT)
3.1 Vp-p
12.288 MHz
1 V/DIV, 50 nsec/DIV
4
IC1009 <zvc (XTAL)
1.2 Vp-p
25 MHz
0.5 V/DIV, 20 nsec/DIV
5
IC1010 tj (12.5MHz)
3.2 Vp-p
12.5 MHz
1 V/DIV, 50 nsec/DIV
24 24
— VIDEO Board — — HDMI RE Board —
1 1
IC6307 ra (XO) IC3511 if (XTALOUT)
1.8 Vp-p
24.576 MHz
1 V/DIV, 20 nsec/DIV 1 V/DIV, 20 nsec/DIV
2 2
IC6501 8 (EXS) IC3519 qa (XOUT)
2.2 Vp-p
14.31 MHz
1 V/DIV, 50 nsec/DIV OSD ON 1 V/DIV, 50 nsec/DIV
3
IC3801 ek (XTAL)
1 V/DIV, 50 nsec/DIV
— XM Board (US, Canadian Model) —
1
IC102 wh (OSCOUT)
45.158 MHz 0.8 Vp-p
1 V/DIV, 50 nsec/DIV
2.2 Vp-p
28.322 MHz
3.4 Vp-p
10 MHz
2.2 Vp-p
28.63636 MHz