Sony HT-RT3, Руководство по обслуживанию

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HT-RT3
HT-RT3
22 22
For Schematic Diagrams.
Note:
• All capacitors are in μ F unless otherwise noted. (p: pF)
50 V or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
speci
fi
ed.
•
f
: Internal component.
•
2
: Non
fl
ammable resistor.
•
5
: Fusible resistor.
•
C
: Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M

).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO (DIGITAL)
J
: AUDIO (ANALOG)
E
: VIDEO
L
: USB
a
: Bluetooth
For Printed Wiring Boards.
Note:
•
X
: Parts extracted from the component side.
•
Y
: Parts extracted from the conductor side.
•
f
: Internal component.
• : Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Circuit Boards Location
• Indication of transistor.
C
B
These are omitted.
E
Q
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side) Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• MAIN board is multi-layer printed board. However, the
patterns of intermediate layers have not been included in
diagrams.
• Abbreviation
AR
: Argentina model
AUS : Australian model
CND : Canadian model
E12
: 220-240 V AC area in E model
EA : Saudi Arabia model
LA9 : Latin-American model
SP : Singapore model
• Abbreviation
AR
: Argentina model
AUS : Australian model
CND : Canadian model
E12
: 220-240 V AC area in E model
EA : Saudi Arabia model
LA9 : Latin-American model
SP : Singapore model
Note: The components identi
fi
ed by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number speci
fi
ed.
Note: Les composants identi
fi
és par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une piéce portant
le numéro spéci
fi
é.
Note 1: When the complete MAIN board is replaced,
refer to “NOTE OF REPLACING THE IC1000
AND IC1002 ON THE MAIN BOARD AND
THE COMPLETE MAIN BOARD” on page 5.
Note 2: When the complete MAIN board is replaced,
spread the bond referring to“BOND FIXATION
OF ELECTRIC PARTS” on page 6.
MAIN board
RC-S730 (WW)
CONNECTOR board
OLED CHUKEI PC BOAR board
USB board
TOUCH board
BLUETOOTH module
SPEAKER CHUKEI PC BOAR board
REGULATOR, SWITCHING 3L405W-2 (Except E12) /
REGULATOR, SWITCHING 3L405W-3 (E12)
Ver. 1.1