Sony CX-JN44, Руководство по обслуживанию

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CX-JN44
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.
•
: Pattern from the side which enables seeing.
•
Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
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.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– BD Section –
no mark: CD PLAY
– Other Sections –
no mark: FM
(
) : TAPE PLAY
〈〈 〉〉
: TAPE REC
[ ] : CD PLAY
∗
: Impossible to measure
•
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
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d : TAPE PLAY (DECK B)
G
: REC
J
: CD PLAY
L
: AUX IN
•
Circuit Boards Location
Note:
The components identi-
fied by mark
0
or dot-
ted line with mark
0
are
critical for safety.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
SENSOR board
PANEL board
CDMP3 CONNECT board
MAIN board
POWER board
SUB TRANS board
TRANS board
HEADPHONE board
BD board
MOTOR (TB) board
MOTOR (LD) board
SW board