ICD-SX57, ICD-SX57DR9, ICD-SX67, ICD-SX67DR9, ICD-SX77 (serv.man2) - Sony Audio Service Manual (repair manual). Page 3

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ICD-SX57/SX57DR9/SX67/SX67DR9/SX77
3
For Schematic Diagrams.
Note:
•  All capacitors are in µF unless otherwise noted.  (p: pF)
  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 
specifi ed.
•      
f : 
internal 
component.
• 
C : panel designation.
• 
A : B+ Line.
•  Power voltage is dc 1.5V and fed with regulated dc power 
supply from battery terminal.
•  Voltages are dc with respect to ground under no-signal 
(detuned) conditions.
  no mark : REC
  (           ) : PLAY 
        
*
    : Impossible to measure
•  Voltages are taken with a VOM (Input impedance 10 
M
Ω).
  Voltage variations may be noted due to normal production 
tolerances.
• Signal path.
 
F : 
PB
 
L : 
REC
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.
• 
 : Pattern from the side which enables seeing.
  (The other layers' patterns are not indicated.)
Caution:
Parts face side:
(SIDE A)
Pattern face side: 
(SIDE B)
Parts on the parts face side seen from   
the parts face are indicated.
Parts on the pattern face side seen from   
the pattern face are indicated.
• Lead layouts
surface
CSP (Chip Size Package) 
Lead layout of conventional IC 
• Abbreviation
 CH  : 
Chinese 
model
The page number indications “(Page XX)” 
showing connection destinations in this 
schematic are all “(SUPPLEMENT-1 Page 
XX)”. 
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