Sony HCD-AZ1D, Руководство по обслуживанию

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HCD-AZ1D
HCD-AZ1D
• Circuit Boards Location
MAIN board
HP board
KEY board
MPEG board
MIC CONTROL board
AV board
AMP board
POWER board
SECTION 7
DIAGRAMS
For Schematic Diagrams.
Note:
• 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.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– MPEG Section –
No mark: DVD STOP
– Other Section –
No mark: FM
( )
: TAPE REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
d
: TUNER
j
: PB (TAPE)
a
: REC (TAPE)
J
: DVD/CD (AUDIO)
I
: DVD/CD (DIGITAL)
: DVD (RF)
h
: TV IN
i
: AUDIO IN
L
: VIDEO
g
: CD (RF)
r
: COMPONENT
E
: Y
: USB
N
: MIC
• Abbreviation
E3 : 240 V AC Area in E model
SP : Singapore model
For Printed Wiring Boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
• : Pattern from the side which enables seeing.
• Indication of transistor.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
Caution:
Parts face side:
Parts on the parts face side seen from
(Side A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(Side B)
the pattern 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.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
B
These are omitted.
C E
Q