Read Sony CX-LFA880 / XR-FA880DVD Service Manual online
17
17
CX-LFA880
CX-LFA880
SECTION 7
DIAGRAMS
• Circuit Boards Location
For Schematic Diagrams.
Note:
• All capacitors are in
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
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
< >
– 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.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
d
: TUNER
N
: MIC
E
: TAPE PLAY
a
: TAPE REC
J
: DVD (AUDIO)
h
: MD IN
L
: VIDEO
c
: DVD (RF)
I
: DVD (DIGITAL)
r
: COMPONENT VIDEO
q
: R,G,B
a
: Y
p
: CHROMA
Abbreviation
AUS
AUS
: Australian model.
E
: 240 V AC area in E model.
MY
: Malaysia model.
SP
: Singapore model.
For Printed Wiring Boards.
Note:
•
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.)
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Note: The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
PT BOARD
MAIN BOARD
MPEG BOARD
VIDEO OUT BOARD
AMP BOARD
FRONT BOARD
HP BOARD
MIC BOARD
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side A)
Pattern face side: Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
B
These are omitted.
C
E
Q
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