SA-WX700 - Sony Audio Service Manual (repair manual). Page 3

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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 
µF unless otherwise noted.  pF: µµF 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
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