HCD-MX700NI, HCD-MX750NI - Sony Audio Service Manual (repair manual). Page 25

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HCD-MX700Ni/MX750Ni
HCD-MX700Ni/MX750Ni
25
25
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.
• 
2 : Nonfl ammable 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.
– BD96/BD96U Board –
  no mark : CD PLAY
– Other Boards –
  no mark : TUNER FM
  <       > : TUNER DAB
       
*
  : Impossible to measure
•  Voltages are taken with 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 : 
TUNER
 
: CD PLAY
 
d : 
USB
 
i : iPod/iPhone
 
f : 
AUDIO 
IN
 
L : 
DAB
 
G : 
LAN
• Abbreviation
 AUS : 
Australian 
model
  BR 
: Brazilian model
  CND  : Canadian model
  E2 
: Latin American model
 TW  : 
Taiwan 
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.)
•  Indication of transistor.
 
C
B
These are omitted. 
E
Q
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.
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.
•  Circuit Boards Location.
• Abbreviation
 AUS : 
Australian 
model
  BR 
: Brazilian model
  CND  : Canadian model
  E2 
: Latin American model
 TW  : 
Taiwan 
model
DAB board (MX750Ni)
MODULE (DAB TUNER) (MX750Ni)
MS-203 board
USB board
POWER board
MAIN board
SP board
NET board
LCD board
IP board
BD96U board
JACK board
KEY board
TUNER (FM)
JUNCTION board
WIRELESS LAN MODULE
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 pièce portant le nu-
méro spécifi é.
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