Read Sony STR-DE590 Service Manual online
12
STR-DE590
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under 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 produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
Note:
The components identified
by mark
The components identified
by mark
0
or dotted line with
mark
0
are critical for safety.
Replace only with part num-
ber specified.
ber specified.
• Waveforms (DIGITAL Board)
3.4Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
3.4Vp-p
1V/DIV, 0.2
µ
sec/DIV
3.07MHz
3.2Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
4.4Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
3.4Vp-p
1V/DIV, 50nsec/DIV
13.59MHz
3.4Vp-p
1V/DIV, 50nsec/DIV
12.288MHz
2.5Vp-p
7
IC1601
id
(X1)
1V/DIV, 50nsec/DIV
16MHz
6
IC1201
qf
(SCKOUT)
5
IC1201
qs
(MCLK2)
4
IC1501
el
(MCLKI)
3
IC1101
wa
(XOUT)
2
IC1101
qf
(BCK)
1
IC1101
qd
(CKOUT)
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