![background image](http://html.mh-extra.com/html/sony/hcd-ep414/hcd-ep414_service-manual_420651015.webp)
15
HCD-EP414
SECTION 6
DIAGRAMS
• Circuit Boards Location
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
C
: panel designation.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Indication of transistor
•
A
: B+ Line.
•
B
: B– Line.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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.
• Abbreviation
AUS : Australian model
MX : Mexican model
• Signal path.
F
: TUNER
J
: CD
d
: AUX
E
: PB (TAPE)
a
: REC (TAPE)
CD board
MAIN board
REGULATOR board
BACK LIGHT board
POWER board
CONTROL board
HEADPHONE board
Note:
The components identified by
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
specified.
C
B
These are omitted.
E
Q
jomi
Summary of Contents for HCD-EP414
Page 41: ...41 HCD EP414 MEMO j o m i ...