Sony ZS-YN7 Service Manual page 19

• Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
W : indicates side identified with part number.
•
: internal component.
f
•
: 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.
ZS-YN7
Note on Schematic Diagram:
• 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 / W or less unless otherwise
4
specified.
•
: internal component.
f
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part pièce por tant le numéro
number specified. spécifié.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
no mark : FM
〈〈 〉〉 : AM
( ) : CD PLAY
[ ] : MP3 PLAY
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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
J : CD PLAY (ANALOG OUT)
c : CD PLAY (DIGITAL OUT)
j : LINE IN
• Abbreviation
AUS : Australian model
CND : Canadian model
KR : Korean model
MX : Mexican model
SP : Singapore model
• Circuit Boards Location
KEY (POWER) board
KEY (JOG) board
TU board
KEY (OPEN) board
BATT (L) board
19 19
LCD board
MAIN board
CD board
KEY (VOL) board
H/P board
POWER board
DOOR SW board
BATT (R) board
ZS-YN7