XAV-701HD (serv.man3) - Sony Car Audio Service Manual (repair manual). Page 2

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XAV-701HD
2
2.  DIAGRAMS
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.
• 
B : B– Line.
•  Power voltage is dc 14.4V and fed with regulated dc pow-
er supply from ACC and BATT cords.
•  Voltages are dc with respect to ground under no-signal 
(detuned) conditions.
  no mark : TUNER (FM)
•  Voltages are taken with VOM (Input impedance 10 M
).
  Voltage variations may be noted due to normal production 
tolerances.
• Signal path.
 
F : 
AUDIO
 
k : 
USB
 
f : 
TUNER
 
N : 
MIC
 
i : SIRIUS/XM
 
E : 
VIDEO
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.
•      f 
: Internal component.
• 
 : Pattern from the side which enables seeing.
  (The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side: 
(Component Side)
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.
•  Indication of transistor.
 
C
B
These are omitted. 
E
Q
Note: When the complete MAIN board is replaced, the 
destination setting is necessary. Refer to “NOTE 
THE MAIN BOARD OR SYSTEM CONTROLLER 
(IC502) REPLACING” on page 5 on original service 
manual.
Note: When the complete MAIN board is replaced, the 
destination setting is necessary. Refer to “NOTE 
THE MAIN BOARD OR SYSTEM CONTROLLER 
(IC502) REPLACING” on page 5 on original service 
manual.
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