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Sony STR-K670P Service Manual page 50

Fm stereo fm-am receiver
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STR-K670P
Ver. 1.3
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
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
specified.
•
%
: indicates tolerance.
•
f
: internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B+ Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: ANALOG
c
: DIGITAL
• Abbreviation
AR
: Argentina model
AUS
: Australian model
CND
: Canadian model
E51
: Chilean and Peruvian models
MX
: Mexican model
RU
: Russian model
SP
: Singapore model
SP6
: Singapore and Malaysia models
• Waveforms
qa
IC1501 9 (MCLK1)
72 ns
1 V/DIV, 40 ns/DIV
qs
IC1101 id (X1)
41.6 µs
1 V/DIV, 20 ns/DIV
qd
IC1301 ws (XIN)
81 ns
1 V/DIV, 40 ns/DIV
2
W or less unless otherwise
3.4 Vp-p
4.2 Vp-p
4.4 Vp-p
For Printed Wiring Boards.
Note:
• X : parts extracted from the component side.
•
: Through hole.
a
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
C
Q
These are omitted.
B
E
B
C E
These are omitted.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
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