CX-JN331/JPK331
27
27
CX-JN331/JPK331
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Circuit Boards Location
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.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
•
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
N
: MIC
•
Abbreviation
E51
: Chilean and Peruvian models
MX
: Mexican model
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
SENSOR board
PANEL board
CDMP3 CONNECT board
MAIN board
POWER board
SUB TRANS board
TRANS board
HEADPHONE board
MIC JACK board
(JPK331: E51)
CD board
MOTOR (TB) board
MOTOR (LD) board
SW board
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.
(The other layers' patterns are not indicated.)
•
Indication of transistor
•
Abbreviation
E51 : Chilean and Peruvian models
