CFD-E10 - Sony Audio Service Manual (repair manual). Page 11

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11
CFD-E10
SECTION 4
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  p: pF.
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.
• A : B+ Line.
• H : adjustment for repair.
• Total current is measured with no cassette installed.
• Power voltage is dc 6 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• 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.
• Signal path.
F
: FM
f
: AM
J
: CD
• Abbreviation
JE
: Tourist model.
• Waveforms (CD Play)
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor
Note:
The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
Q
C
These are omitted
E
B
C
These are omitted
E
B
59ns
4.2Vp-p
1.1 Vp-p
236ns
3.5Vp-p
8.8 Vp-p
12 
µ
s
1
 
IC701 
3
 (RFO)
       200mV/DIV, 1
µ
s/DIV
2
 
IC703 
ua
(XOUT)
       1V/DIV, 40ns/DIV
3
 
IC801 
rl
(OSC1)
       1V/DIV, 100ns/DIV
4
 
Q703 collector
       5V/DIV, 4
µ
s/DIV
Ver. 1.5
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