CFD-V37
5-6.
SCHEMATIC DIAGRAM — POWER SECTION —
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.
•
U
: B+ Line.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : CD PLAY
(
) : TAPE PLAY
[
] : TAPE 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.
• Signal path.
F
: FM
E
: PB
a
: REC
J
: CD
• Waveform
3
T301 REC
40Vp-p
52.75kHz
10V/div
10
µ
sec/div
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
32
23
23
E4,EA MODEL
E4,EA MODEL
E4,EA MODEL
E92 MODEL
E92 MODEL
F902
2.5A:E4,EA MODEL
3.15A:E92 MODEL
250V
POWER TRANSFORMER
— 27 —
— 28 —
— 29 —
— 30 —