Sony HCD-CBX1 - Compact Disc Receiver, Руководство по обслуживанию

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HCD-BX5BT/CBX1/CBX3
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HCD-BX5BT/CBX1/CBX3
USB board
HEADPHONE board
FRONT PANEL board
MAIN board
POWER board
SPEAKER board
tuner (FM/AM)
AMP board
5V REGULATOR board
REGULATOR board
CD board
MOTOR board
BT board
TOP PANEL board
ANT board
(BX5BT)
(BX5BT/CBX3)
(CBX3)
•
Circuit Boards Location
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
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.
•
C
: panel designation.
•
A : B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– CD Board –
no mark : CD PLAY
[
] : USB
– USB Board –
no mark : USB
– BT Board –
no mark : BLUETOOTH
– Other Boards –
no mark : TUNER (FM/AM)
(
) : CD PLAY
[ ] : BLUETOOTH
•
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 : AUDIO
f
: TUNER (FM/AM)
J
: CD PLAY
d
: USB
E : BLUETOOTH IN
j : BLUETOOTH OUT
h
: AUDIO IN
Note on Printed Wiring Board:
•
X : parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
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.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
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.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q