STR-DE525, STR-V515 - Sony Audio Service Manual (repair manual). Page 7

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STR-DE525/V515
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— 8 —
SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
For schematic diagrams.
Note:
• 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
/
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
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
• Abbreviation
CND : Canadian
AUS
: Australian
CH
: Chinese
MY
: Malaysia
SP
: Singapore
EA
: Saudi Arabia
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
•
®
: Through hole.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.

Note:
The components identified by
mark 
!
 or dotted line with mark
!
 are critical for safety.
Replace only with part number
specified.

Note:
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
• Waveform
STANDBY board
STANDBY (2) board
SP board
VIDEO board
SURR board  
INPUT board  
BALANCE board
AMP board
SW board
H.P board
SP SW board
DISPLAY board
CONNECTOR board
VOL board
REARAMP board
1
 IC103  12PIN (X1) 
4.19MHz 
4.4Vp-p
DISPLAY BOARD

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