Sony STR-DE697B Service Manual page 21

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:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted une marque 0 sont critiques
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.
SP : Singapore model.
MY : Malaysia 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.
SP : Singapore model.
MY : Malaysia 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
12.288MHz
IC1301
1V/DIV 0.2µsec/DIV
2
3.07MHz
IC1301
1V/DIV 50nsec/DIV
3
12.288MHz
IC1301
1V/DIV 50nsec/DIV
4
IC1501
1V/DIV 50nsec/DIV
5
13.5MHz
IC1501
6 1V/DIV 50nsec/DIV
12.288MHz
IC1501 qf
7 1V/DIV 50nsec/DIV
IC1101
21 21
3.8Vp-p
qd (CKOUT)
3.2Vp-p
qf (BCK)
3.5Vp-p
wa (XOUT)
2.2Vp-p
13.5MHz
(MCLK1)
9
3.5Vp-p
(MCLK2)
qs
3.8Vp-p
(SCKOUT)
2.1Vp-p
16MHz
id (X1)
STR-DE697