Sony CX-JN44 Service Manual page 25

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
Q These are omitted.
B E
Q
B C E
These are omitted.
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.
•
f : internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
Note:
Note:
The components identi- Les composants identifiés
par une marque 0 sont cri-
fied by mark 0 or dot-
ted line with mark 0 are tiques pour la sécurité.
Ne les remplacer que par une
critical for safety.
piéce por tant le numéro
Replace only with part
number specified. spécifié.
• 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 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 : TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G : REC
J : CD PLAY
L : AUX IN
• Circuit Boards Location
TRANS board
PANEL board
HEADPHONE board
SW board
MOTOR (LD) board
25 25
SUB TRANS board
CDMP3 CONNECT board
MAIN board
POWER board
SENSOR board
BD board
MOTOR (TB) board
CX-JN44