Read Sony STR-DG700 Service Manual online
STR-DG700
18
18
STR-DG700
for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF 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)
• Abbreviation
AUS
: Australian model.
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)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
• Abbreviation
AUS
: Australian model.
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.)
• Waveforms
— DIGITAL Board —
— DIGITAL Board —
1
IC1301
qd
(CKOUT)
2.1 Vp-p
1.8 Vp-p
1V/DIV, 50nsec/DIV
3
IC1301
wa
(XOUT)
1V/DIV, 50nsec/DIV
4
IC1501
9
(MCLK1)
0.6 Vp-p
1V/DIV, 50nsec/DIV
2
IC1301
qf
(BCK)
2.4 Vp-p
1V/DIV, 0.2
µ
sec/DIV
13.9 MHz
12.288 MHz
3.07 MHz
12.288 MHz
5
IC1501
qs
(MCLK2)
1.1 Vp-p
2.2 Vp-p
1V/DIV, 50nsec/DIV
7
IC1101
id
(X1)
1V/DIV, 50nsec/DIV
6
IC1501
qf
(SCKOUT)
2.5 Vp-p
1V/DIV, 50nsec/DIV
24 MHz
12.288 MHz
13.9 MHz
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
1
IC3701
1
(CERA)
0.5V/DIV, 0.2
µ
sec/DIV
3
IC3701
wk
(X443/358)
0.5V/DIV, 0.5
µ
sec/DIV
0.2 Vp-p
2
IC3701
wh
(XNTSC)
0.5V/DIV, 0.2
µ
sec/DIV
4.43 MHz
0.18 Vp-p
0.15 Vp-p
500 kHz
3.5795 MHz
— VIDEO Board —
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