Read Sony STR-DE825 / STR-V818 Service Manual online
STR-DE825/V818
— 7 —
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SECTION 3
DIAGRAMS
3-1. 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
MY
MY
:Malaysia
SP
:Singapore
CH
:Chinese
AUS
:Australian
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
1 IC1201 (™
(XO)
2 IC1101 @¶
(X OUT)
3 IC1101 @ª
(CLK OUT)
4 IC102 *™
(XO)
5 IC181 !§
(X OUT)
4.0Vp-p
5.5Vp-p
5.4Vp-p
3.0Vp-p
3.5Vp-p
4MHz
24.576MHz
12.288MHz
4.0MHz
7.28MHz
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
• Abbreviation
CND :Canadian
MY
MY
:Malaysia
SP
:Singapore
CH
:Chinese
AUS
:Australian
SW board
H.P board
SP SW board
DISPLAY board
BALANCE board
SP board
REAR AMP board
AC board
AMPLIFIER board
S-LINK board (US,CND)
S-VIDEO board (MY,SP,CH)
S-VIDEO board (MY,SP,CH)
VIDEO board
TUNER board
D.IN/OUT board
DIGITAL board
AUDIO board
INPUT board
JOINT board
VOLUME board
L.B board
REG board
LED board
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