Sony STR-V200 Service Manual ▷ View online
– 5 –
This section is extracted from
instruction manual.
instruction manual.
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SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
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 diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
b
: Pattern of the conductor side.
•
U
: B+ Line.
•
V
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
WAVEFORMS
1 2
IC201
#¢
X1
IC300
@¢
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
• Indication of transistor
C
These are omitted
E
B
8MHz
4.8Vp-p
4.19MHz
5.4Vp-p
Caution:
Pattern face side: Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side)
Pattern face side: Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
• 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.
• Signal path.
F
: FM
SECONDARY board
PRIMARY board
STANDBY board
MAIN board
VOL-TONE board
DISPLAY board
SPEAKER SW board
KEY board
POWER SW board
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STR-V200
3-2. SCHEMATIC DIAGRAM – MAIN (1/3) SECTION –
• See page 6 for Waveforms.
• See page 17 for Printed Wiring Board.
• See page 33 for IC Pin Functions.
• See page 35 for IC Block Diagrams.
• See page 17 for Printed Wiring Board.
• See page 33 for IC Pin Functions.
• See page 35 for IC Block Diagrams.
(Page 15)
(Page 9)
(Page 11)
(Page 11)
(Page 13)
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STR-V200
3-3. SCHEMATIC DIAGRAM – MAIN (2/3) SECTION –
• See page 17 for Printed Wiring Board.
• See page 35 for IC Block Diagrams.
• See page 35 for IC Block Diagrams.
(Page 16)
(Page 16)
(Page 11)
(Page 16)
(Page 8)
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