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CX-BK2
31
31
7-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– BD Board –
no mark : CD PLAY
– USB AUX Board –
no mark : USB
– Other Board –
no mark : TUNER
(
) : CD PLAY
[
] : USB
∗
: 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
J
: CD
c
: DIGITAL OUT
d
: USB
N
: MIC
G
: AUX IN
q
: LINE IN (AUDIO)
r
: VIDEO
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Circuit Boards Location
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
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
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
tuner unit
main board
speaker board
ACDC board
PT board
AMP board
SW (3) board
speaker motor board
SW (4) board
roller motor board
connector board
BD board
mode motor board
headphone board
right button (2) board
LED board
jog board
USB AUX board
key LED RMC board
LCD VOL board
left button board
right button (1) board
SW (1) board
SW (2) board
Содержание CX-BK2
Страница 28: ...26 CX BK2 MEMO ...
Страница 103: ...3 SX BK2 MEMO ...