Sony SA-WCT290 Service Manual page 14

SA-WCT290/WCT291
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• : Internal component.
f
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen
(Conductor Side) from the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
• Indication of transistor.
C
Q These are omitted.
B E
• Abbreviation
AUS : Australian model
CND : Canadian model
E3 : 240 V AC area in E model
E12 : 220-240 V AC area in E model
EA : Saudi Arabia model
LA9 : Latin-American model
RU : Russian Model
SP : Singapore model
TH : Thai model
Note: When the complete SUB MAIN board is replaced,
refer to "NOTE OF REPLACING THE IC8104 ON
THE SUB MAIN BOARD AND THE COMPLETE SUB
MAIN BOARD" and "NOTES ON THE WIRELESS
CONNECTION (LINK) AFTER REPAIRS ARE
COMPLETE" on page 4.
SA-WCT290/WCT291
For Schematic Diagrams.
Note:
• All capacitors are in μF 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
specifi ed.
• : Internal component.
f
• 2 : Nonfl ammable resistor.
• 5 : Fusible resistor.
• C : Panel designation.
Note: The components identifi ed by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Note: Les composants identifi és par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une piéce portant
le numéro spécifi é.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
in wireless connection to the bar speaker (SA-CT380/
CT381).
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.
: AUDIO (ANALOG)
F
: AUDIO (DIGITAL)
J
• Abbreviation
AUS : Australian model
CND : Canadian model
E3 : 240 V AC area in E model
E12 : 220-240 V AC area in E model
EA : Saudi Arabia model
LA9 : Latin-American model
RU : Russian Model
SP : Singapore model
TH : Thai model
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