Sony SA-WX700, Руководство по обслуживанию

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3 3
SA-WX700
SECTION 1
GENERAL
This section is extracted from
instruction manual.
• Location of controls
SECTION 2
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and 1 /
4
W or less unless otherwise specified.
•
C
: panel designation.
THIS NOTE IS COMMON FOR SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
•
B
: B– Line.
• Voltages are dc with respect to ground under no-signal conditions.
• no mark : Power on
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production tolerances.
• Signal path .
F
: AUDIO
• Abbreviation
CND : Canadian model
Note:
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
2-1. CIRCUIT BOARDS LOCATION
CONTROL board
FILTER board
INPUT board
POWER board
POWER SWITCH board
LED board
CONNECTOR board
POWER
POWER indicator
LEVEL
PHASE
CUT OFF
FREQUENCY
ON/STANDBY
POWER
NORM
PHASE CUT OFF FREQUENCY LEVEL
OFF
POWER SAVE
ON
BOOST
REVERSE 200Hz 50Hz MAX MIN AUTO OFF
POWER
SAVE BOOST
For printed wiring boards.
Note:
• x : parts mounted on the conductor side.
• X : parts extracted from the component side.
• : 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 from
(Conductor B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component A) the parts face are indicated.
• Abbreviation
CND : Canadian model
Ver 1.1