Sony TC-WE305, Руководство по обслуживанию

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8 8
TC-WE305
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 specifed.
• % : indicates tolerance.
•
f
: internal component.
•
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.
•
H
: adjustment for repair.
• Voltages are dc with respect to ground under no-signal conditions.
no mark : PLAY
(
) : REC
• 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.
Voltage variations may be noted due to normal production toler
ances.
•
Circled numbers refer to waveforms.
• Signal path.
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
• Abbreviation
AUS : Australian
Note on Printed Wiring Boards:
Note:
•
X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
r
Waveforms
• Abbreviation
AUS : Australian