Read Sony STR-K670P (serv.man2) Service Manual online
2
STR-K670P
For Schematic Diagrams.
Note:
• All capacitors are in
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
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
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• 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
For Printed Wiring Boards.
Note:
•
Note:
•
X
: parts extracted from the component side.
•
a
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
Caution:
Pattern face side:
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.
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
• Waveforms
qa
IC1501
9
(MCLK1)
1 V/DIV, 40 ns/DIV
72 ns
3.4 Vp-p
qs
IC1101
id
(X1)
1 V/DIV, 20 ns/DIV
41.6
µ
s
4.2 Vp-p
qd
IC1301
ws
(XIN)
1 V/DIV, 40 ns/DIV
81 ns
4.4 Vp-p
Ver. 1.3
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