Read Sony CFD-V27L (serv.man2) Service Manual online
CFD-V27L
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Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• 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.
•
¢
: internal component.
• Y : B+ Line.
• Power voltage is dc 9V and fed with regulated dc power
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : TAPE REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Signal path.
• Signal path.
F
: FM
E
: PB (TAPE)
a
: REC (TAPE)
J
: CD
• Abbreviation
IT
: Italian model.
CET
: East European and Russian model.
EE
: East European
2-3. SCHEMATIC DIAGRAM AUDIO SECTION
• Refer to page 24 for IC Block Diagrams.
• Waveform
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
line with mark 0 are critical for safety.
Replace only with part number specified.
1
2 REC MODE
30Vp-p
55.2kHz
10V/div
10
10
µ
sec/div
C313
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