Read Sony STR-DA30ES / STR-DA50ES / STR-V55ES Service Manual online
— 15 —
— 16 —
4-4. CIRCUIT BOARDS 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
EA
EA
:Saudi Arabia
MY
:Malaysia
SP
:Singapore
G
:German
EE
:East European
AUS
:Australian
CH
:Chinese
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.)
POWER SWITCH board
PS board
VOLTAGE SELECTOR board
TH board
AC board
S. AMP board
5.1 INPUT board
SP TM board
S. VIDEO board
VIDEO board
AUDIO board
INPUT board
DIGITAL board
MAIN board
AMP board
VOLUME board
FUNCTION board
BALANCE VOLUME board
DISPLAY board
LED board
F. VIDEO board
SP SW board
HP board
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
Q
C
These are omitted
E
B
C
These are omitted
E
B
• Waveform
• DISPLAY SECTION
1
IC106
!§
(X OUT)
2
IC102
*™
(XO)
3.7Vp-p
7.28MHz
3.9Vp-p
4MHz
1
IC1201
(™
(XO)
2
IC1102
8
3
IC1101
@¶
(X OUT)
5.1Vp-p
4.0Vp-p
5.4Vp-p
4MHz
49.152MHz
24.576MHz
• DIGITAL SECTION
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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