Read Sony STR-DE435 / STR-DE535 / STR-SE491 / STR-V424 / STR-V525 Service Manual online
STR-DE435/DE535/SE491/V424/V525
SECTIION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
STANDBY board
REAR AMP board
P.AMP board
SPK SELECT board
HEADPHONE board
DISPLAY board
KEY board
VOL board
BALANCE board
BRIDGE-A board
BRIDGE-B board
INPUT board
SURR board
REAR SPK board
VOLTAGE SELECTOR board
(DE 535 : E MODEL)
(DE 535 : E MODEL)
— 7 —
— 8 —
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.
•
¢
: internal component.
•
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
g
: VIDEO
I
: PHONO
• Abbreviation
CND : Canadian model
AUS
AUS
: Australian model
CH
: Chinese model
MY
: Malaysia model
SP
: Singapore 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.)
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.
• Waveform
– DISPLAY SECTION –
– DISPLAY SECTION –
1
IC100
!™
(X1)
2
IC1001
!∞
(X IN)
5MHz
7.28MHz
4.3Vp-p
3.3Vp-p
EA
: Saudi Arabia model
EE
: East European model
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
– INPUT SECTION –
3
IC230
!£
4.33MHz
2.8Vp-p
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
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