19
19
ZS-YN7
ZS-YN7
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
•
All capacitors are in
µ
F 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
specified.
•
f
: internal component.
•
C
: panel designation.
•
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 M
Ω
).
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
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.
•
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.
MAIN board
KEY (VOL) board
H/P board
POWER board
BATT (R) board
DOOR SW board
BATT (L) board
KEY (OPEN) board
KEY (POWER) board
LCD board
KEY (JOG) board
TU board
CD board
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.
