STR-KM3500 - Sony Audio Service Manual (repair manual). Page 12

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STR-KM3500
STR-KM3500
12
12
•  Circuit Boards Location
DISPLAY board
MAIN board
DIGITAL board
TUNER 
VIDEO STANDBY-SUPPLY board
AC SELECT board
POWER KEY board
TEMP-SENSOR board
HEADPHONE board
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 
 and 
1
/
4
 W or less unless otherwise 
specifi ed.
•      f  : internal component.
•  2 :  nonfl ammable resistor.
•  5 :  fl usible 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.
•  B : B– Line.
•  Voltages and waveforms are dc with respect to ground 
under no-signal (detuned) conditions.
  no mark : TUNER
•  Voltages are taken with a 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.
  J : 
AUDIO 
(DIGITAL)
  F : 
AUDIO 
(ANALOG)
  f : 
TUNER
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.)
•  Indication of transistor.
 
C
B
These are omitted.
E
Q
 
C E
B
These are omitted. 
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.
Caution:
Pattern face side: 
(SIDE B)
Parts face side:
(SIDE A)
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.
• Abbreviation
 AR  : 
Argentina 
model
  E51 
: Chilean and Peruvian models
  MX 
: Mexican model
  SAF  : South African model
  SP 
: Singapore model
 TH  : 
Thai 
model
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