ZS-X3CP - Sony Audio Service Manual (repair manual). Page 21

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ZS-X3CP
21
21
5-4.
NOTE  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in 
µ
F unless otherwise noted.  pF: 
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
H
: adjustment for repair.
• Power voltage is dc 4.5V and fed with regulated dc power
supply from pin 
1
  and 
3
  of CN901 on the BATTERY
board, and from pin 
2
 and 
3
 as well.
no mark : FM
(
) : AM (MW)
〈〈
 
〉〉
: LW
[
] : CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM (MW/LW)
J
: CD
• Abbreviation
CND : Canadian model
EE
: East European model
IT
: Italian model
Note:
The components identi-
fied by mark 
0
 or dotted
line with mark 
0
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
0
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Note on Printed Wiring Boards:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
W
: indicates side identified with part number.
f
: internal component.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
• Circuit Boards Location
BUTTON POWER board
RELAY board
CONTROL board
JACK board
ENTER board
LCD board
CDMP3 board
TUNER board
VOLUME board
BATTERY board
AUDIO board
Ver 1.1
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