CFD-S07CP - Sony Audio Service Manual (repair manual). Page 17

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CFD-S07CP
CFD-S07CP
17
17
For Schematic Diagrams.

Note:
•  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 
specifi ed.
•      f  : Internal component.
•  C : Panel designation.
THIS  NOTE  IS  COMMON  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•  A : B+ Line.
•  H : Adjustment for repair.
•  Voltages and waveforms are dc with respect to ground 
under no-signal (detuned) conditions.
  no mark : FM
  (         ) : AM
  <       > : PB
  ‹‹      ›› : REC
  [         ] : CD PLAY
•  Voltages are taken with 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 
tolerances.
•  Circled numbers refer to waveforms.
• Signal path.
  F : 
FM
  f : 
AM
  E : 
PB
  a : 
REC
  J : 
CD
• Abbreviation
 AR  : 
Argentina 
model
 AUS : 
Australian 
model
  CET  : East European & Russian model
  CND  : Canadian model
  E41 
: 230V AC area in E model
  E92 
: 120V AC area in E model
  EA 
: Saudi Arabia model
  IT 
: Italian model
  MX 
: Mexican model
  SP 
: Singapore model
 TH  : 
Thai 
model
 TW  : 
Taiwan 
model
For Printed Wiring Boards.

Note:
•  X : Parts extracted from the component side.
•  Y : Parts extracted from the conductor side.
•   W  : Indicates side identifi ed with part number.
•      f  : Internal component.
• 
 : Pattern from the side which enables seeing.
  (The other layers’ patterns are not indicated.)
•  Indication of transistor.
 
C
B
These are omitted.
E
Q
 
B C E
Q
B
These are omitted.
C E
Q
•  Circuit Boards Location
• Waveforms
– MAIN Board –

Caution:
Pattern face side:
(Conductor Side)
Parts face side: 
(Component Side)
Parts on the pattern face side seen 
from the pattern face are indicated.
Parts on the parts face side seen from 
the parts face are indicated.

Note: 
The components identi-
fi
 ed by mark 0 or dotted 
line with mark 0 are criti-
cal for safety. 
Replace only with part 
number specifi ed.

Note: 
Les composants identifi és 
par une marque 0 sont 
critiques pour la sécurité. 
Ne les remplacer que par 
une pièce portant le nu-
méro spécifi é.
• Abbreviation
 AR  : 
Argentina 
model
 AUS : 
Australian 
model
  CET  : East European & Russian model
  CND  : Canadian model
  E41 
: 230V AC area in E model
  E92 
: 120V AC area in E model
  EA 
: Saudi Arabia model
  IT 
: Italian model
  MX 
: Mexican model
  SP 
: Singapore model
 TH  : 
Thai 
model
 TW  : 
Taiwan 
model
1.0 Vp-p
1
  IC1 ql (RCLK)
500 mV/DIV, 10 
Ps/DIV
1.4 Vp-p
1.5±0.2 Vp-p
Approx. 100 mVp-p
4
  IC801 ul (RFO)
500 mV/DIV, 0.5 
Ps/DIV
1.6 V
Approx. 200 mVp-p
1.6V
5
  IC801 og (FEI)
100 mV/DIV, 5 ms/DIV
– CD PLAY –
– CD PLAY –
– TAPE REC –
– TAPE REC –
– TUNER MODE –
– CD PLAY –
– CD PLAY –
6
  IC801 oh (TEI)
200 mV/DIV, 5 ms/DIV
3
  IC801 wk (XO)
0.5 V/DIV, 20 ns/DIV
4.0 Vp-p
7
  Q301 C (REC)
1 V/DIV, 10 
Ps/DIV
36 Vp-p
8
  HRP301 (YEL)
10 V/DIV, 10 
Ps/DIV
18.2 
Psec
18.2 
Psec
32.768 kHz
16.93 MHz
3 Vp-p
4.19 MHz
2
  IC801 0 (MXO)
1 V/DIV, 0.1 
Ps/DIV
MAIN board
JACK board
SWITCH board
KEY board
POWER board
MOTOR board
RMC board
Display
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