MEX-BT5100 - Sony Car Audio Service Manual (repair manual). Page 26

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MEX-BT5100
MEX-BT5100
26
26
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.
THIS  NOTE  IS  COMMON  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS.
•  A : B+ Line.
•  Power voltages is dc 14.4V and fed with regulated dc 
power supply from ACC and BATT cords.
•  Voltages and waveforms are dc with respect to ground 
under no-signal (detuned) conditions.
– SERVO Board –
  no mark : CD PLAY
– Other boards –
  no mark : TUNER (FM/AM)
  (        ) : CD 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.
•  Waveforms are taken with a oscilloscope.
  Voltage variations may be noted due to normal production 
tolerances.
•  Circled numbers refer to waveforms.
• Signal path.
  F : 
AUDIO
  f : 
TUNER
  J 
: CD PLAY
  p  : BLUETOOTH OUT
  l  : BLUETOOTH IN
  N : 
MIC
  E : 
AUX 
IN
• Abbreviation
 CND : 
Canadian 
model
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.)
•  Circuit Boards Location
Caution:
Parts face side:
(SIDE A)
Pattern face side: 
(SIDE B)
Parts on the parts face side seen from   
the pattern face are indicated.
Parts on the pattern face side seen from   
the parts face are indicated.
Caution:
Parts face side:
(Conductor Side)
Pattern face side: 
(Component Side)
Parts on the parts face side seen from   
the pattern face are indicated.
Parts on the pattern face side seen from   
the parts face are indicated.
Note: 
The components identi-
fi ed by mark 0 or dotted 
line with mark 0 are criti-
cal for safety. 
Replace only with part 
number specifi ed.
Note: 
Les composants identifi és 
par une marque 0 sont 
critiques pour la sécurité. 
Ne les remplacer que par 
une piéce portant le nu-
méro spécifi é.
MAIN board
SUB board
SENSOR board
SERVO board
KEY board
TUNER UNIT 
(TUX401)
IT board
ANTENNA board
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