Read Sony XDR-S1 Service Manual online
9
9
XDR-S1
XDR-S1
SECTION 4
DIAGRAMS
• CIRCUIT BOARDS LOCATION
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.
•
C
: panel designation.
•
A
: B+ Line.
• Voltage and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM
(
no mark : FM
(
) : MW
<
> : LW
• 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
: FM
f
: MW
E
: DAB
j
: LW
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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.
✩
When IC701 is damaged, replace the MICON board.
✩
When IC701 is damaged, replace the MICON board.
AUDIO board
JACK board
KEY board
POWER board
TUNER board
MICON board
VIN1
VIN2
SEL2
SEL1
A1
A2
B1
B2
C1
C2
FILTER
GND
CAP
TNF1
TNF2
BNF2
BOUT2
BNF1
BOUT1
OUT1
OUT2
SI
SC
VCC
BASS1
f
0
=80Hz
BASS2
f
0
=80Hz
21
20
19
18
17
16
15
14
13
TREBLE2
f
0
=8kHz
22
TREBLE1
f
0
=8kHz
23
SURROUND
24
1
2
3
4
LOGIC
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
5
6
7
8
9
10
11 12
1
2
IC701
uk
(XOA)
IC701
i;
(XO)
1.3Vp-p
1.8Vp-p
32.768kHz
4.19MHz
500 mV/DIV 0.1 msec/DIV
500 m V/DIV 0.5
µ
sec/DIV
• IC BLOCK DIAGRAM
IC303 BD3870FS-E2 (AUDIO Board)
• WAVEFORMS — MICON BOARD —
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