Read Sony STR-DB830 / STR-DB930 / STR-V929X Service Manual online
STR-DB830/DB930/V929X
— 11 —
— 12 —
SP SW board
VIDEO board
S-VIDEO board
DIGITAL board
JOINT(Q) board
MAIN board
VOLUME board
REAR AMP board
ROTARY board
LED board
HP board
SP-SW board
F-VIDEO board
DISPLAY board
DC board
AC board
4/8 board
TUNER
board
board
4-3. CIRCUIT BOARD LOCATION
For schematic diagrams.
Note:
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: CD
c
: DIGITAL
I
: PHONO
• Abbreviation
CND :Canadian model
AUS
AUS
:Australian model
MY
:Malaysia model
SP
:Singapore model
CH
:Chinese model
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
• Waveform
DIGITAL Board
DIGITAL Board
1 IC1201 (™
(XO)
2 IC1401
(CLKO)
3 IC1404 25
4.0Vp-p
3.5Vp-p
5.5Vp-p
4MHz
10MHz
12.288MHz
100
DISPLAY Board
TUNER Board
4 IC102 *™
(XO)
5 IC106 !§
(X OUT)
3.6Vp-p
3.8Vp-p
16.0MHz
7.28MHz
6 IC1 !£
(X 1)
2.7Vp-p
4.33MHz
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
Note:
The components identified by
mark
The components identified by
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
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