Diagrams - Sony HCD-EP515 Service Manual

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3 7 63 1515 0
• Circuit Boards Location
TE THIS NOTE IS COMMON FOR PRINTED WIRING
L 13942296513
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
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
specified.
• : internal component.
f
• 2 : nonflammable resistor.
• 1 : fusible resistor.
• C : panel designation.
Note:
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
• A : B+ Line.
• B : B– Line.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
www
• Abbreviation
CND : Canadian model
• Signal path.
F
: TUNER
J
: CD
.
d
: AUX
E
: PB (TAPE)
a
: REC (TAPE)
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MAIN board
CONTROL board
HEADPHONE board
BACK LIGHT board
1 / W or less unless otherwise
4
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
x ao
y
i
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SECTION 6

DIAGRAMS

8
REGULATOR board
Q Q
3 6 7 1 3
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : internal component.
f
•
: Pattern from the side which enables seeing.
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.
2 9 9 4 2 8
CD board
POWER board
1 5 0 5 8 2 9 9 4
m
co
HCD-EP515
9 9
2 8 9 9
15